Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # |
Dan Williams | 685784a | 2007-07-09 11:56:42 -0700 | [diff] [blame] | 2 | # Generic algorithms support |
| 3 | # |
| 4 | config XOR_BLOCKS |
| 5 | tristate |
| 6 | |
| 7 | # |
Dan Williams | 9bc89cd | 2007-01-02 11:10:44 -0700 | [diff] [blame] | 8 | # async_tx api: hardware offloaded memory transfer/transform support |
| 9 | # |
| 10 | source "crypto/async_tx/Kconfig" |
| 11 | |
| 12 | # |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | # Cryptographic API Configuration |
| 14 | # |
Jan Engelhardt | 2e290f4 | 2007-05-18 15:11:01 +1000 | [diff] [blame] | 15 | menuconfig CRYPTO |
Sebastian Siewior | c3715cb9 | 2008-03-30 16:36:09 +0800 | [diff] [blame] | 16 | tristate "Cryptographic API" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | help |
| 18 | This option provides the core Cryptographic API. |
| 19 | |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 20 | if CRYPTO |
| 21 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 22 | comment "Crypto core or helper" |
| 23 | |
Neil Horman | ccb778e | 2008-08-05 14:13:08 +0800 | [diff] [blame] | 24 | config CRYPTO_FIPS |
| 25 | bool "FIPS 200 compliance" |
Herbert Xu | f2c89a1 | 2014-07-04 22:15:08 +0800 | [diff] [blame] | 26 | depends on (CRYPTO_ANSI_CPRNG || CRYPTO_DRBG) && !CRYPTO_MANAGER_DISABLE_TESTS |
Jarod Wilson | 002c77a | 2014-07-02 15:37:30 -0400 | [diff] [blame] | 27 | depends on MODULE_SIG |
Neil Horman | ccb778e | 2008-08-05 14:13:08 +0800 | [diff] [blame] | 28 | help |
| 29 | This options enables the fips boot option which is |
| 30 | required if you want to system to operate in a FIPS 200 |
| 31 | certification. You should say no unless you know what |
Chuck Ebbert | e84c548 | 2010-09-03 19:17:49 +0800 | [diff] [blame] | 32 | this is. |
Neil Horman | ccb778e | 2008-08-05 14:13:08 +0800 | [diff] [blame] | 33 | |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 34 | config CRYPTO_ALGAPI |
| 35 | tristate |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 36 | select CRYPTO_ALGAPI2 |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 37 | help |
| 38 | This option provides the API for cryptographic algorithms. |
| 39 | |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 40 | config CRYPTO_ALGAPI2 |
| 41 | tristate |
| 42 | |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 43 | config CRYPTO_AEAD |
| 44 | tristate |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 45 | select CRYPTO_AEAD2 |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 46 | select CRYPTO_ALGAPI |
| 47 | |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 48 | config CRYPTO_AEAD2 |
| 49 | tristate |
| 50 | select CRYPTO_ALGAPI2 |
| 51 | |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 52 | config CRYPTO_BLKCIPHER |
| 53 | tristate |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 54 | select CRYPTO_BLKCIPHER2 |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 55 | select CRYPTO_ALGAPI |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 56 | |
| 57 | config CRYPTO_BLKCIPHER2 |
| 58 | tristate |
| 59 | select CRYPTO_ALGAPI2 |
| 60 | select CRYPTO_RNG2 |
Huang Ying | 0a2e821 | 2009-02-19 14:44:02 +0800 | [diff] [blame] | 61 | select CRYPTO_WORKQUEUE |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 62 | |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 63 | config CRYPTO_HASH |
| 64 | tristate |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 65 | select CRYPTO_HASH2 |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 66 | select CRYPTO_ALGAPI |
| 67 | |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 68 | config CRYPTO_HASH2 |
| 69 | tristate |
| 70 | select CRYPTO_ALGAPI2 |
| 71 | |
Neil Horman | 17f0f4a | 2008-08-14 22:15:52 +1000 | [diff] [blame] | 72 | config CRYPTO_RNG |
| 73 | tristate |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 74 | select CRYPTO_RNG2 |
Neil Horman | 17f0f4a | 2008-08-14 22:15:52 +1000 | [diff] [blame] | 75 | select CRYPTO_ALGAPI |
| 76 | |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 77 | config CRYPTO_RNG2 |
| 78 | tristate |
| 79 | select CRYPTO_ALGAPI2 |
| 80 | |
Herbert Xu | 401e423 | 2015-06-03 14:49:31 +0800 | [diff] [blame] | 81 | config CRYPTO_RNG_DEFAULT |
| 82 | tristate |
| 83 | select CRYPTO_DRBG_MENU |
| 84 | |
Geert Uytterhoeven | a1d2f09 | 2009-03-04 15:05:33 +0800 | [diff] [blame] | 85 | config CRYPTO_PCOMP |
| 86 | tristate |
Herbert Xu | bc94e59 | 2010-06-03 20:33:06 +1000 | [diff] [blame] | 87 | select CRYPTO_PCOMP2 |
| 88 | select CRYPTO_ALGAPI |
| 89 | |
| 90 | config CRYPTO_PCOMP2 |
| 91 | tristate |
Geert Uytterhoeven | a1d2f09 | 2009-03-04 15:05:33 +0800 | [diff] [blame] | 92 | select CRYPTO_ALGAPI2 |
| 93 | |
Tadeusz Struk | 3c339ab | 2015-06-16 10:30:55 -0700 | [diff] [blame] | 94 | config CRYPTO_AKCIPHER2 |
| 95 | tristate |
| 96 | select CRYPTO_ALGAPI2 |
| 97 | |
| 98 | config CRYPTO_AKCIPHER |
| 99 | tristate |
| 100 | select CRYPTO_AKCIPHER2 |
| 101 | select CRYPTO_ALGAPI |
| 102 | |
Tadeusz Struk | cfc2bb3 | 2015-06-16 10:31:01 -0700 | [diff] [blame] | 103 | config CRYPTO_RSA |
| 104 | tristate "RSA algorithm" |
Tadeusz Struk | 425e017 | 2015-06-19 10:27:39 -0700 | [diff] [blame] | 105 | select CRYPTO_AKCIPHER |
Tadeusz Struk | cfc2bb3 | 2015-06-16 10:31:01 -0700 | [diff] [blame] | 106 | select MPILIB |
| 107 | select ASN1 |
| 108 | help |
| 109 | Generic implementation of the RSA public key algorithm. |
| 110 | |
Herbert Xu | 2b8c19d | 2006-09-21 11:31:44 +1000 | [diff] [blame] | 111 | config CRYPTO_MANAGER |
| 112 | tristate "Cryptographic algorithm manager" |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 113 | select CRYPTO_MANAGER2 |
Herbert Xu | 2b8c19d | 2006-09-21 11:31:44 +1000 | [diff] [blame] | 114 | help |
| 115 | Create default cryptographic template instantiations such as |
| 116 | cbc(aes). |
| 117 | |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 118 | config CRYPTO_MANAGER2 |
| 119 | def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) |
| 120 | select CRYPTO_AEAD2 |
| 121 | select CRYPTO_HASH2 |
| 122 | select CRYPTO_BLKCIPHER2 |
Herbert Xu | bc94e59 | 2010-06-03 20:33:06 +1000 | [diff] [blame] | 123 | select CRYPTO_PCOMP2 |
Tadeusz Struk | 946cc46 | 2015-06-16 10:31:06 -0700 | [diff] [blame] | 124 | select CRYPTO_AKCIPHER2 |
Herbert Xu | 6a0fcbb | 2008-12-10 23:29:44 +1100 | [diff] [blame] | 125 | |
Steffen Klassert | a38f790 | 2011-09-27 07:23:50 +0200 | [diff] [blame] | 126 | config CRYPTO_USER |
| 127 | tristate "Userspace cryptographic algorithm configuration" |
Herbert Xu | 5db017a | 2011-11-01 12:12:43 +1100 | [diff] [blame] | 128 | depends on NET |
Steffen Klassert | a38f790 | 2011-09-27 07:23:50 +0200 | [diff] [blame] | 129 | select CRYPTO_MANAGER |
| 130 | help |
Valdis.Kletnieks@vt.edu | d19978f | 2011-11-09 01:29:20 -0500 | [diff] [blame] | 131 | Userspace configuration for cryptographic instantiations such as |
Steffen Klassert | a38f790 | 2011-09-27 07:23:50 +0200 | [diff] [blame] | 132 | cbc(aes). |
| 133 | |
Herbert Xu | 326a634 | 2010-08-06 09:40:28 +0800 | [diff] [blame] | 134 | config CRYPTO_MANAGER_DISABLE_TESTS |
| 135 | bool "Disable run-time self tests" |
Herbert Xu | 00ca28a | 2010-08-06 10:34:00 +0800 | [diff] [blame] | 136 | default y |
| 137 | depends on CRYPTO_MANAGER2 |
Alexander Shishkin | 0b767f9 | 2010-06-03 20:53:43 +1000 | [diff] [blame] | 138 | help |
Herbert Xu | 326a634 | 2010-08-06 09:40:28 +0800 | [diff] [blame] | 139 | Disable run-time self tests that normally take place at |
| 140 | algorithm registration. |
Alexander Shishkin | 0b767f9 | 2010-06-03 20:53:43 +1000 | [diff] [blame] | 141 | |
Rik Snel | c494e07 | 2006-11-29 18:59:44 +1100 | [diff] [blame] | 142 | config CRYPTO_GF128MUL |
Jussi Kivilinna | 08c70fc | 2011-12-13 12:53:22 +0200 | [diff] [blame] | 143 | tristate "GF(2^128) multiplication functions" |
Rik Snel | c494e07 | 2006-11-29 18:59:44 +1100 | [diff] [blame] | 144 | help |
| 145 | Efficient table driven implementation of multiplications in the |
| 146 | field GF(2^128). This is needed by some cypher modes. This |
| 147 | option will be selected automatically if you select such a |
| 148 | cipher mode. Only select this option by hand if you expect to load |
| 149 | an external module that requires these functions. |
| 150 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 151 | config CRYPTO_NULL |
| 152 | tristate "Null algorithms" |
| 153 | select CRYPTO_ALGAPI |
| 154 | select CRYPTO_BLKCIPHER |
Herbert Xu | d35d245 | 2008-11-08 08:09:56 +0800 | [diff] [blame] | 155 | select CRYPTO_HASH |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 156 | help |
| 157 | These are 'Null' algorithms, used by IPsec, which do nothing. |
| 158 | |
Steffen Klassert | 5068c7a | 2010-01-07 15:57:19 +1100 | [diff] [blame] | 159 | config CRYPTO_PCRYPT |
Kees Cook | 3b4afaf | 2012-10-02 11:16:49 -0700 | [diff] [blame] | 160 | tristate "Parallel crypto engine" |
| 161 | depends on SMP |
Steffen Klassert | 5068c7a | 2010-01-07 15:57:19 +1100 | [diff] [blame] | 162 | select PADATA |
| 163 | select CRYPTO_MANAGER |
| 164 | select CRYPTO_AEAD |
| 165 | help |
| 166 | This converts an arbitrary crypto algorithm into a parallel |
| 167 | algorithm that executes in kernel threads. |
| 168 | |
Huang Ying | 25c38d3 | 2009-02-19 14:33:40 +0800 | [diff] [blame] | 169 | config CRYPTO_WORKQUEUE |
| 170 | tristate |
| 171 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 172 | config CRYPTO_CRYPTD |
| 173 | tristate "Software async crypto daemon" |
Herbert Xu | db131ef | 2006-09-21 11:44:08 +1000 | [diff] [blame] | 174 | select CRYPTO_BLKCIPHER |
Loc Ho | b8a2825 | 2008-05-14 21:23:00 +0800 | [diff] [blame] | 175 | select CRYPTO_HASH |
Herbert Xu | 4351840 | 2006-10-16 21:28:58 +1000 | [diff] [blame] | 176 | select CRYPTO_MANAGER |
Huang Ying | 254eff7 | 2009-02-19 14:42:19 +0800 | [diff] [blame] | 177 | select CRYPTO_WORKQUEUE |
Herbert Xu | db131ef | 2006-09-21 11:44:08 +1000 | [diff] [blame] | 178 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 179 | This is a generic software asynchronous crypto daemon that |
| 180 | converts an arbitrary synchronous software crypto algorithm |
| 181 | into an asynchronous algorithm that executes in a kernel thread. |
| 182 | |
Tim Chen | 1e65b81 | 2014-07-31 10:29:51 -0700 | [diff] [blame] | 183 | config CRYPTO_MCRYPTD |
| 184 | tristate "Software async multi-buffer crypto daemon" |
| 185 | select CRYPTO_BLKCIPHER |
| 186 | select CRYPTO_HASH |
| 187 | select CRYPTO_MANAGER |
| 188 | select CRYPTO_WORKQUEUE |
| 189 | help |
| 190 | This is a generic software asynchronous crypto daemon that |
| 191 | provides the kernel thread to assist multi-buffer crypto |
| 192 | algorithms for submitting jobs and flushing jobs in multi-buffer |
| 193 | crypto algorithms. Multi-buffer crypto algorithms are executed |
| 194 | in the context of this kernel thread and drivers can post |
Ted Percival | 0e56673 | 2014-09-04 15:18:21 +0800 | [diff] [blame] | 195 | their crypto request asynchronously to be processed by this daemon. |
Tim Chen | 1e65b81 | 2014-07-31 10:29:51 -0700 | [diff] [blame] | 196 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 197 | config CRYPTO_AUTHENC |
| 198 | tristate "Authenc support" |
| 199 | select CRYPTO_AEAD |
| 200 | select CRYPTO_BLKCIPHER |
| 201 | select CRYPTO_MANAGER |
| 202 | select CRYPTO_HASH |
| 203 | help |
| 204 | Authenc: Combined mode wrapper for IPsec. |
| 205 | This is required for IPSec. |
| 206 | |
| 207 | config CRYPTO_TEST |
| 208 | tristate "Testing module" |
| 209 | depends on m |
Herbert Xu | da7f033 | 2008-07-31 17:08:25 +0800 | [diff] [blame] | 210 | select CRYPTO_MANAGER |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 211 | help |
| 212 | Quick & dirty crypto test module. |
| 213 | |
Ard Biesheuvel | a62b01c | 2013-09-20 09:55:40 +0200 | [diff] [blame] | 214 | config CRYPTO_ABLK_HELPER |
Jussi Kivilinna | ffaf915 | 2012-06-18 14:06:58 +0300 | [diff] [blame] | 215 | tristate |
Jussi Kivilinna | ffaf915 | 2012-06-18 14:06:58 +0300 | [diff] [blame] | 216 | select CRYPTO_CRYPTD |
| 217 | |
Jussi Kivilinna | 596d875 | 2012-06-18 14:07:19 +0300 | [diff] [blame] | 218 | config CRYPTO_GLUE_HELPER_X86 |
| 219 | tristate |
| 220 | depends on X86 |
| 221 | select CRYPTO_ALGAPI |
| 222 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 223 | comment "Authenticated Encryption with Associated Data" |
| 224 | |
| 225 | config CRYPTO_CCM |
| 226 | tristate "CCM support" |
| 227 | select CRYPTO_CTR |
| 228 | select CRYPTO_AEAD |
| 229 | help |
| 230 | Support for Counter with CBC MAC. Required for IPsec. |
| 231 | |
| 232 | config CRYPTO_GCM |
| 233 | tristate "GCM/GMAC support" |
| 234 | select CRYPTO_CTR |
| 235 | select CRYPTO_AEAD |
Huang Ying | 9382d97 | 2009-08-06 15:34:26 +1000 | [diff] [blame] | 236 | select CRYPTO_GHASH |
Jussi Kivilinna | 9489667d | 2013-04-07 16:43:41 +0300 | [diff] [blame] | 237 | select CRYPTO_NULL |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 238 | help |
| 239 | Support for Galois/Counter Mode (GCM) and Galois Message |
| 240 | Authentication Code (GMAC). Required for IPSec. |
| 241 | |
Martin Willi | 71ebc4d | 2015-06-01 13:44:00 +0200 | [diff] [blame] | 242 | config CRYPTO_CHACHA20POLY1305 |
| 243 | tristate "ChaCha20-Poly1305 AEAD support" |
| 244 | select CRYPTO_CHACHA20 |
| 245 | select CRYPTO_POLY1305 |
| 246 | select CRYPTO_AEAD |
| 247 | help |
| 248 | ChaCha20-Poly1305 AEAD support, RFC7539. |
| 249 | |
| 250 | Support for the AEAD wrapper using the ChaCha20 stream cipher combined |
| 251 | with the Poly1305 authenticator. It is defined in RFC7539 for use in |
| 252 | IETF protocols. |
| 253 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 254 | config CRYPTO_SEQIV |
| 255 | tristate "Sequence Number IV Generator" |
| 256 | select CRYPTO_AEAD |
| 257 | select CRYPTO_BLKCIPHER |
Herbert Xu | 856e3f40 | 2015-05-21 15:11:13 +0800 | [diff] [blame] | 258 | select CRYPTO_NULL |
Herbert Xu | 401e423 | 2015-06-03 14:49:31 +0800 | [diff] [blame] | 259 | select CRYPTO_RNG_DEFAULT |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 260 | help |
| 261 | This IV generator generates an IV based on a sequence number by |
| 262 | xoring it with a salt. This algorithm is mainly useful for CTR |
| 263 | |
Herbert Xu | a10f554 | 2015-05-21 15:11:15 +0800 | [diff] [blame] | 264 | config CRYPTO_ECHAINIV |
| 265 | tristate "Encrypted Chain IV Generator" |
| 266 | select CRYPTO_AEAD |
| 267 | select CRYPTO_NULL |
Herbert Xu | 401e423 | 2015-06-03 14:49:31 +0800 | [diff] [blame] | 268 | select CRYPTO_RNG_DEFAULT |
Herbert Xu | 3491244 | 2015-06-03 14:49:29 +0800 | [diff] [blame] | 269 | default m |
Herbert Xu | a10f554 | 2015-05-21 15:11:15 +0800 | [diff] [blame] | 270 | help |
| 271 | This IV generator generates an IV based on the encryption of |
| 272 | a sequence number xored with a salt. This is the default |
| 273 | algorithm for CBC. |
| 274 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 275 | comment "Block modes" |
Herbert Xu | db131ef | 2006-09-21 11:44:08 +1000 | [diff] [blame] | 276 | |
| 277 | config CRYPTO_CBC |
| 278 | tristate "CBC support" |
| 279 | select CRYPTO_BLKCIPHER |
Herbert Xu | 4351840 | 2006-10-16 21:28:58 +1000 | [diff] [blame] | 280 | select CRYPTO_MANAGER |
Herbert Xu | db131ef | 2006-09-21 11:44:08 +1000 | [diff] [blame] | 281 | help |
| 282 | CBC: Cipher Block Chaining mode |
| 283 | This block cipher algorithm is required for IPSec. |
| 284 | |
Joy Latten | 23e353c | 2007-10-23 08:50:32 +0800 | [diff] [blame] | 285 | config CRYPTO_CTR |
| 286 | tristate "CTR support" |
| 287 | select CRYPTO_BLKCIPHER |
Herbert Xu | 0a27032 | 2007-11-30 21:38:37 +1100 | [diff] [blame] | 288 | select CRYPTO_SEQIV |
Joy Latten | 23e353c | 2007-10-23 08:50:32 +0800 | [diff] [blame] | 289 | select CRYPTO_MANAGER |
Joy Latten | 23e353c | 2007-10-23 08:50:32 +0800 | [diff] [blame] | 290 | help |
| 291 | CTR: Counter mode |
| 292 | This block cipher algorithm is required for IPSec. |
| 293 | |
Kevin Coffman | 76cb952 | 2008-03-24 21:26:16 +0800 | [diff] [blame] | 294 | config CRYPTO_CTS |
| 295 | tristate "CTS support" |
| 296 | select CRYPTO_BLKCIPHER |
| 297 | help |
| 298 | CTS: Cipher Text Stealing |
| 299 | This is the Cipher Text Stealing mode as described by |
| 300 | Section 8 of rfc2040 and referenced by rfc3962. |
| 301 | (rfc3962 includes errata information in its Appendix A) |
| 302 | This mode is required for Kerberos gss mechanism support |
| 303 | for AES encryption. |
| 304 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 305 | config CRYPTO_ECB |
| 306 | tristate "ECB support" |
Herbert Xu | 653ebd9 | 2007-11-27 19:48:27 +0800 | [diff] [blame] | 307 | select CRYPTO_BLKCIPHER |
Herbert Xu | 124b53d | 2007-04-16 20:49:20 +1000 | [diff] [blame] | 308 | select CRYPTO_MANAGER |
| 309 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 310 | ECB: Electronic CodeBook mode |
| 311 | This is the simplest block cipher algorithm. It simply encrypts |
| 312 | the input block by block. |
Herbert Xu | 124b53d | 2007-04-16 20:49:20 +1000 | [diff] [blame] | 313 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 314 | config CRYPTO_LRW |
Jussi Kivilinna | 2470a2b | 2011-12-13 12:52:51 +0200 | [diff] [blame] | 315 | tristate "LRW support" |
David Howells | 9083163 | 2006-12-16 12:13:14 +1100 | [diff] [blame] | 316 | select CRYPTO_BLKCIPHER |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 317 | select CRYPTO_MANAGER |
| 318 | select CRYPTO_GF128MUL |
David Howells | 9083163 | 2006-12-16 12:13:14 +1100 | [diff] [blame] | 319 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 320 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable |
| 321 | narrow block cipher mode for dm-crypt. Use it with cipher |
| 322 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. |
| 323 | The first 128, 192 or 256 bits in the key are used for AES and the |
| 324 | rest is used to tie each cipher block to its logical position. |
David Howells | 9083163 | 2006-12-16 12:13:14 +1100 | [diff] [blame] | 325 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 326 | config CRYPTO_PCBC |
| 327 | tristate "PCBC support" |
| 328 | select CRYPTO_BLKCIPHER |
| 329 | select CRYPTO_MANAGER |
| 330 | help |
| 331 | PCBC: Propagating Cipher Block Chaining mode |
| 332 | This block cipher algorithm is required for RxRPC. |
| 333 | |
| 334 | config CRYPTO_XTS |
Jussi Kivilinna | 5bcf8e6 | 2011-12-13 12:52:56 +0200 | [diff] [blame] | 335 | tristate "XTS support" |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 336 | select CRYPTO_BLKCIPHER |
| 337 | select CRYPTO_MANAGER |
| 338 | select CRYPTO_GF128MUL |
| 339 | help |
| 340 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, |
| 341 | key size 256, 384 or 512 bits. This implementation currently |
| 342 | can't handle a sectorsize which is not a multiple of 16 bytes. |
| 343 | |
| 344 | comment "Hash modes" |
| 345 | |
Jussi Kivilinna | 93b5e86 | 2013-04-08 10:48:44 +0300 | [diff] [blame] | 346 | config CRYPTO_CMAC |
| 347 | tristate "CMAC support" |
| 348 | select CRYPTO_HASH |
| 349 | select CRYPTO_MANAGER |
| 350 | help |
| 351 | Cipher-based Message Authentication Code (CMAC) specified by |
| 352 | The National Institute of Standards and Technology (NIST). |
| 353 | |
| 354 | https://tools.ietf.org/html/rfc4493 |
| 355 | http://csrc.nist.gov/publications/nistpubs/800-38B/SP_800-38B.pdf |
| 356 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 357 | config CRYPTO_HMAC |
| 358 | tristate "HMAC support" |
| 359 | select CRYPTO_HASH |
| 360 | select CRYPTO_MANAGER |
| 361 | help |
| 362 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
| 363 | This is required for IPSec. |
| 364 | |
| 365 | config CRYPTO_XCBC |
| 366 | tristate "XCBC support" |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 367 | select CRYPTO_HASH |
| 368 | select CRYPTO_MANAGER |
| 369 | help |
| 370 | XCBC: Keyed-Hashing with encryption algorithm |
| 371 | http://www.ietf.org/rfc/rfc3566.txt |
| 372 | http://csrc.nist.gov/encryption/modes/proposedmodes/ |
| 373 | xcbc-mac/xcbc-mac-spec.pdf |
| 374 | |
Shane Wang | f1939f7 | 2009-09-02 20:05:22 +1000 | [diff] [blame] | 375 | config CRYPTO_VMAC |
| 376 | tristate "VMAC support" |
Shane Wang | f1939f7 | 2009-09-02 20:05:22 +1000 | [diff] [blame] | 377 | select CRYPTO_HASH |
| 378 | select CRYPTO_MANAGER |
| 379 | help |
| 380 | VMAC is a message authentication algorithm designed for |
| 381 | very high speed on 64-bit architectures. |
| 382 | |
| 383 | See also: |
| 384 | <http://fastcrypto.org/vmac> |
| 385 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 386 | comment "Digest" |
| 387 | |
| 388 | config CRYPTO_CRC32C |
| 389 | tristate "CRC32c CRC algorithm" |
Herbert Xu | 5773a3e | 2008-07-08 20:54:28 +0800 | [diff] [blame] | 390 | select CRYPTO_HASH |
Darrick J. Wong | 6a0962b | 2012-03-23 15:02:25 -0700 | [diff] [blame] | 391 | select CRC32 |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 392 | help |
| 393 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
| 394 | by iSCSI for header and data digests and by others. |
Herbert Xu | 69c35ef | 2008-11-07 15:11:47 +0800 | [diff] [blame] | 395 | See Castagnoli93. Module will be crc32c. |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 396 | |
Austin Zhang | 8cb51ba | 2008-08-07 09:57:03 +0800 | [diff] [blame] | 397 | config CRYPTO_CRC32C_INTEL |
| 398 | tristate "CRC32c INTEL hardware acceleration" |
| 399 | depends on X86 |
| 400 | select CRYPTO_HASH |
| 401 | help |
| 402 | In Intel processor with SSE4.2 supported, the processor will |
| 403 | support CRC32C implementation using hardware accelerated CRC32 |
| 404 | instruction. This option will create 'crc32c-intel' module, |
| 405 | which will enable any routine to use the CRC32 instruction to |
| 406 | gain performance compared with software implementation. |
| 407 | Module will be crc32c-intel. |
| 408 | |
David S. Miller | 442a7c4 | 2012-08-22 20:47:36 -0700 | [diff] [blame] | 409 | config CRYPTO_CRC32C_SPARC64 |
| 410 | tristate "CRC32c CRC algorithm (SPARC64)" |
| 411 | depends on SPARC64 |
| 412 | select CRYPTO_HASH |
| 413 | select CRC32 |
| 414 | help |
| 415 | CRC32c CRC algorithm implemented using sparc64 crypto instructions, |
| 416 | when available. |
| 417 | |
Alexander Boyko | 78c37d1 | 2013-01-10 18:54:59 +0400 | [diff] [blame] | 418 | config CRYPTO_CRC32 |
| 419 | tristate "CRC32 CRC algorithm" |
| 420 | select CRYPTO_HASH |
| 421 | select CRC32 |
| 422 | help |
| 423 | CRC-32-IEEE 802.3 cyclic redundancy-check algorithm. |
| 424 | Shash crypto api wrappers to crc32_le function. |
| 425 | |
| 426 | config CRYPTO_CRC32_PCLMUL |
| 427 | tristate "CRC32 PCLMULQDQ hardware acceleration" |
| 428 | depends on X86 |
| 429 | select CRYPTO_HASH |
| 430 | select CRC32 |
| 431 | help |
| 432 | From Intel Westmere and AMD Bulldozer processor with SSE4.2 |
| 433 | and PCLMULQDQ supported, the processor will support |
| 434 | CRC32 PCLMULQDQ implementation using hardware accelerated PCLMULQDQ |
| 435 | instruction. This option will create 'crc32-plcmul' module, |
| 436 | which will enable any routine to use the CRC-32-IEEE 802.3 checksum |
| 437 | and gain better performance as compared with the table implementation. |
| 438 | |
Herbert Xu | 68411521 | 2013-09-07 12:56:26 +1000 | [diff] [blame] | 439 | config CRYPTO_CRCT10DIF |
| 440 | tristate "CRCT10DIF algorithm" |
| 441 | select CRYPTO_HASH |
| 442 | help |
| 443 | CRC T10 Data Integrity Field computation is being cast as |
| 444 | a crypto transform. This allows for faster crc t10 diff |
| 445 | transforms to be used if they are available. |
| 446 | |
| 447 | config CRYPTO_CRCT10DIF_PCLMUL |
| 448 | tristate "CRCT10DIF PCLMULQDQ hardware acceleration" |
| 449 | depends on X86 && 64BIT && CRC_T10DIF |
| 450 | select CRYPTO_HASH |
| 451 | help |
| 452 | For x86_64 processors with SSE4.2 and PCLMULQDQ supported, |
| 453 | CRC T10 DIF PCLMULQDQ computation can be hardware |
| 454 | accelerated PCLMULQDQ instruction. This option will create |
| 455 | 'crct10dif-plcmul' module, which is faster when computing the |
| 456 | crct10dif checksum as compared with the generic table implementation. |
| 457 | |
Huang Ying | 2cdc689 | 2009-08-06 15:32:38 +1000 | [diff] [blame] | 458 | config CRYPTO_GHASH |
| 459 | tristate "GHASH digest algorithm" |
Huang Ying | 2cdc689 | 2009-08-06 15:32:38 +1000 | [diff] [blame] | 460 | select CRYPTO_GF128MUL |
| 461 | help |
| 462 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). |
| 463 | |
Martin Willi | f979e01 | 2015-06-01 13:43:58 +0200 | [diff] [blame] | 464 | config CRYPTO_POLY1305 |
| 465 | tristate "Poly1305 authenticator algorithm" |
| 466 | help |
| 467 | Poly1305 authenticator algorithm, RFC7539. |
| 468 | |
| 469 | Poly1305 is an authenticator algorithm designed by Daniel J. Bernstein. |
| 470 | It is used for the ChaCha20-Poly1305 AEAD, specified in RFC7539 for use |
| 471 | in IETF protocols. This is the portable C implementation of Poly1305. |
| 472 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 473 | config CRYPTO_MD4 |
| 474 | tristate "MD4 digest algorithm" |
Adrian-Ken Rueegsegger | 808a176 | 2008-12-03 19:55:27 +0800 | [diff] [blame] | 475 | select CRYPTO_HASH |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 477 | MD4 message digest algorithm (RFC1320). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 479 | config CRYPTO_MD5 |
| 480 | tristate "MD5 digest algorithm" |
Adrian-Ken Rueegsegger | 14b75ba | 2008-12-03 19:57:12 +0800 | [diff] [blame] | 481 | select CRYPTO_HASH |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 483 | MD5 message digest algorithm (RFC1321). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | |
Aaro Koskinen | d69e75d | 2014-12-21 22:54:02 +0200 | [diff] [blame] | 485 | config CRYPTO_MD5_OCTEON |
| 486 | tristate "MD5 digest algorithm (OCTEON)" |
| 487 | depends on CPU_CAVIUM_OCTEON |
| 488 | select CRYPTO_MD5 |
| 489 | select CRYPTO_HASH |
| 490 | help |
| 491 | MD5 message digest algorithm (RFC1321) implemented |
| 492 | using OCTEON crypto instructions, when available. |
| 493 | |
Markus Stockhausen | e8e5995 | 2015-03-01 19:30:46 +0100 | [diff] [blame] | 494 | config CRYPTO_MD5_PPC |
| 495 | tristate "MD5 digest algorithm (PPC)" |
| 496 | depends on PPC |
| 497 | select CRYPTO_HASH |
| 498 | help |
| 499 | MD5 message digest algorithm (RFC1321) implemented |
| 500 | in PPC assembler. |
| 501 | |
David S. Miller | fa4dfed | 2012-08-19 21:51:26 -0700 | [diff] [blame] | 502 | config CRYPTO_MD5_SPARC64 |
| 503 | tristate "MD5 digest algorithm (SPARC64)" |
| 504 | depends on SPARC64 |
| 505 | select CRYPTO_MD5 |
| 506 | select CRYPTO_HASH |
| 507 | help |
| 508 | MD5 message digest algorithm (RFC1321) implemented |
| 509 | using sparc64 crypto instructions, when available. |
| 510 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 511 | config CRYPTO_MICHAEL_MIC |
| 512 | tristate "Michael MIC keyed digest algorithm" |
Adrian-Ken Rueegsegger | 19e2bf1 | 2008-12-07 19:35:38 +0800 | [diff] [blame] | 513 | select CRYPTO_HASH |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 514 | help |
| 515 | Michael MIC is used for message integrity protection in TKIP |
| 516 | (IEEE 802.11i). This algorithm is required for TKIP, but it |
| 517 | should not be used for other purposes because of the weakness |
| 518 | of the algorithm. |
| 519 | |
Adrian-Ken Rueegsegger | 82798f9 | 2008-05-07 22:17:37 +0800 | [diff] [blame] | 520 | config CRYPTO_RMD128 |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 521 | tristate "RIPEMD-128 digest algorithm" |
Herbert Xu | 7c4468b | 2008-11-08 09:10:40 +0800 | [diff] [blame] | 522 | select CRYPTO_HASH |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 523 | help |
| 524 | RIPEMD-128 (ISO/IEC 10118-3:2004). |
Adrian-Ken Rueegsegger | 82798f9 | 2008-05-07 22:17:37 +0800 | [diff] [blame] | 525 | |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 526 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
Michael Witten | 35ed4b3 | 2011-07-09 04:02:31 +0000 | [diff] [blame] | 527 | be used as a secure replacement for RIPEMD. For other use cases, |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 528 | RIPEMD-160 should be used. |
Adrian-Ken Rueegsegger | 82798f9 | 2008-05-07 22:17:37 +0800 | [diff] [blame] | 529 | |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 530 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
Justin P. Mattock | 6d8de74 | 2010-09-12 10:42:47 +0800 | [diff] [blame] | 531 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
Adrian-Ken Rueegsegger | 82798f9 | 2008-05-07 22:17:37 +0800 | [diff] [blame] | 532 | |
| 533 | config CRYPTO_RMD160 |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 534 | tristate "RIPEMD-160 digest algorithm" |
Herbert Xu | e5835fb | 2008-11-08 09:18:51 +0800 | [diff] [blame] | 535 | select CRYPTO_HASH |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 536 | help |
| 537 | RIPEMD-160 (ISO/IEC 10118-3:2004). |
Adrian-Ken Rueegsegger | 82798f9 | 2008-05-07 22:17:37 +0800 | [diff] [blame] | 538 | |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 539 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
| 540 | to be used as a secure replacement for the 128-bit hash functions |
| 541 | MD4, MD5 and it's predecessor RIPEMD |
| 542 | (not to be confused with RIPEMD-128). |
Adrian-Ken Rueegsegger | 82798f9 | 2008-05-07 22:17:37 +0800 | [diff] [blame] | 543 | |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 544 | It's speed is comparable to SHA1 and there are no known attacks |
| 545 | against RIPEMD-160. |
Adrian-Ken Rueegsegger | 534fe2c | 2008-05-09 21:30:27 +0800 | [diff] [blame] | 546 | |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 547 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
Justin P. Mattock | 6d8de74 | 2010-09-12 10:42:47 +0800 | [diff] [blame] | 548 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
Adrian-Ken Rueegsegger | 534fe2c | 2008-05-09 21:30:27 +0800 | [diff] [blame] | 549 | |
| 550 | config CRYPTO_RMD256 |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 551 | tristate "RIPEMD-256 digest algorithm" |
Herbert Xu | d8a5e2e | 2008-11-08 09:58:10 +0800 | [diff] [blame] | 552 | select CRYPTO_HASH |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 553 | help |
| 554 | RIPEMD-256 is an optional extension of RIPEMD-128 with a |
| 555 | 256 bit hash. It is intended for applications that require |
| 556 | longer hash-results, without needing a larger security level |
| 557 | (than RIPEMD-128). |
Adrian-Ken Rueegsegger | 534fe2c | 2008-05-09 21:30:27 +0800 | [diff] [blame] | 558 | |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 559 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
Justin P. Mattock | 6d8de74 | 2010-09-12 10:42:47 +0800 | [diff] [blame] | 560 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
Adrian-Ken Rueegsegger | 534fe2c | 2008-05-09 21:30:27 +0800 | [diff] [blame] | 561 | |
| 562 | config CRYPTO_RMD320 |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 563 | tristate "RIPEMD-320 digest algorithm" |
Herbert Xu | 3b8efb4 | 2008-11-08 10:11:09 +0800 | [diff] [blame] | 564 | select CRYPTO_HASH |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 565 | help |
| 566 | RIPEMD-320 is an optional extension of RIPEMD-160 with a |
| 567 | 320 bit hash. It is intended for applications that require |
| 568 | longer hash-results, without needing a larger security level |
| 569 | (than RIPEMD-160). |
Adrian-Ken Rueegsegger | 534fe2c | 2008-05-09 21:30:27 +0800 | [diff] [blame] | 570 | |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 571 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
Justin P. Mattock | 6d8de74 | 2010-09-12 10:42:47 +0800 | [diff] [blame] | 572 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
Adrian-Ken Rueegsegger | 82798f9 | 2008-05-07 22:17:37 +0800 | [diff] [blame] | 573 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 574 | config CRYPTO_SHA1 |
| 575 | tristate "SHA1 digest algorithm" |
Adrian-Ken Rueegsegger | 54ccb36 | 2008-12-02 21:08:20 +0800 | [diff] [blame] | 576 | select CRYPTO_HASH |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 577 | help |
| 578 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
| 579 | |
Mathias Krause | 66be895 | 2011-08-04 20:19:25 +0200 | [diff] [blame] | 580 | config CRYPTO_SHA1_SSSE3 |
chandramouli narayanan | 7c1da8d | 2014-03-20 15:14:00 -0700 | [diff] [blame] | 581 | tristate "SHA1 digest algorithm (SSSE3/AVX/AVX2)" |
Mathias Krause | 66be895 | 2011-08-04 20:19:25 +0200 | [diff] [blame] | 582 | depends on X86 && 64BIT |
| 583 | select CRYPTO_SHA1 |
| 584 | select CRYPTO_HASH |
| 585 | help |
| 586 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented |
| 587 | using Supplemental SSE3 (SSSE3) instructions or Advanced Vector |
chandramouli narayanan | 7c1da8d | 2014-03-20 15:14:00 -0700 | [diff] [blame] | 588 | Extensions (AVX/AVX2), when available. |
Mathias Krause | 66be895 | 2011-08-04 20:19:25 +0200 | [diff] [blame] | 589 | |
Tim Chen | 8275d1a | 2013-03-26 13:59:17 -0700 | [diff] [blame] | 590 | config CRYPTO_SHA256_SSSE3 |
| 591 | tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2)" |
| 592 | depends on X86 && 64BIT |
| 593 | select CRYPTO_SHA256 |
| 594 | select CRYPTO_HASH |
| 595 | help |
| 596 | SHA-256 secure hash standard (DFIPS 180-2) implemented |
| 597 | using Supplemental SSE3 (SSSE3) instructions, or Advanced Vector |
| 598 | Extensions version 1 (AVX1), or Advanced Vector Extensions |
| 599 | version 2 (AVX2) instructions, when available. |
| 600 | |
Tim Chen | 87de457 | 2013-03-26 14:00:02 -0700 | [diff] [blame] | 601 | config CRYPTO_SHA512_SSSE3 |
| 602 | tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)" |
| 603 | depends on X86 && 64BIT |
| 604 | select CRYPTO_SHA512 |
| 605 | select CRYPTO_HASH |
| 606 | help |
| 607 | SHA-512 secure hash standard (DFIPS 180-2) implemented |
| 608 | using Supplemental SSE3 (SSSE3) instructions, or Advanced Vector |
| 609 | Extensions version 1 (AVX1), or Advanced Vector Extensions |
| 610 | version 2 (AVX2) instructions, when available. |
| 611 | |
Aaro Koskinen | efdb6f6 | 2015-03-08 22:07:47 +0200 | [diff] [blame] | 612 | config CRYPTO_SHA1_OCTEON |
| 613 | tristate "SHA1 digest algorithm (OCTEON)" |
| 614 | depends on CPU_CAVIUM_OCTEON |
| 615 | select CRYPTO_SHA1 |
| 616 | select CRYPTO_HASH |
| 617 | help |
| 618 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented |
| 619 | using OCTEON crypto instructions, when available. |
| 620 | |
David S. Miller | 4ff28d4 | 2012-08-19 15:41:53 -0700 | [diff] [blame] | 621 | config CRYPTO_SHA1_SPARC64 |
| 622 | tristate "SHA1 digest algorithm (SPARC64)" |
| 623 | depends on SPARC64 |
| 624 | select CRYPTO_SHA1 |
| 625 | select CRYPTO_HASH |
| 626 | help |
| 627 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented |
| 628 | using sparc64 crypto instructions, when available. |
| 629 | |
Michael Ellerman | 323a6bf | 2012-09-13 23:00:49 +0000 | [diff] [blame] | 630 | config CRYPTO_SHA1_PPC |
| 631 | tristate "SHA1 digest algorithm (powerpc)" |
| 632 | depends on PPC |
| 633 | help |
| 634 | This is the powerpc hardware accelerated implementation of the |
| 635 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
| 636 | |
Markus Stockhausen | d9850fc | 2015-02-24 20:36:50 +0100 | [diff] [blame] | 637 | config CRYPTO_SHA1_PPC_SPE |
| 638 | tristate "SHA1 digest algorithm (PPC SPE)" |
| 639 | depends on PPC && SPE |
| 640 | help |
| 641 | SHA-1 secure hash standard (DFIPS 180-4) implemented |
| 642 | using powerpc SPE SIMD instruction set. |
| 643 | |
Tim Chen | 1e65b81 | 2014-07-31 10:29:51 -0700 | [diff] [blame] | 644 | config CRYPTO_SHA1_MB |
| 645 | tristate "SHA1 digest algorithm (x86_64 Multi-Buffer, Experimental)" |
| 646 | depends on X86 && 64BIT |
| 647 | select CRYPTO_SHA1 |
| 648 | select CRYPTO_HASH |
| 649 | select CRYPTO_MCRYPTD |
| 650 | help |
| 651 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented |
| 652 | using multi-buffer technique. This algorithm computes on |
| 653 | multiple data lanes concurrently with SIMD instructions for |
| 654 | better throughput. It should not be enabled by default but |
| 655 | used when there is significant amount of work to keep the keep |
| 656 | the data lanes filled to get performance benefit. If the data |
| 657 | lanes remain unfilled, a flush operation will be initiated to |
| 658 | process the crypto jobs, adding a slight latency. |
| 659 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 660 | config CRYPTO_SHA256 |
| 661 | tristate "SHA224 and SHA256 digest algorithm" |
Adrian-Ken Rueegsegger | 50e109b5 | 2008-12-03 19:57:49 +0800 | [diff] [blame] | 662 | select CRYPTO_HASH |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 663 | help |
| 664 | SHA256 secure hash standard (DFIPS 180-2). |
| 665 | |
| 666 | This version of SHA implements a 256 bit hash with 128 bits of |
| 667 | security against collision attacks. |
| 668 | |
Adrian Bunk | b6d4434 | 2008-07-16 19:28:00 +0800 | [diff] [blame] | 669 | This code also includes SHA-224, a 224 bit hash with 112 bits |
| 670 | of security against collision attacks. |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 671 | |
Markus Stockhausen | 2ecc1e9 | 2015-01-30 15:39:34 +0100 | [diff] [blame] | 672 | config CRYPTO_SHA256_PPC_SPE |
| 673 | tristate "SHA224 and SHA256 digest algorithm (PPC SPE)" |
| 674 | depends on PPC && SPE |
| 675 | select CRYPTO_SHA256 |
| 676 | select CRYPTO_HASH |
| 677 | help |
| 678 | SHA224 and SHA256 secure hash standard (DFIPS 180-2) |
| 679 | implemented using powerpc SPE SIMD instruction set. |
| 680 | |
Aaro Koskinen | efdb6f6 | 2015-03-08 22:07:47 +0200 | [diff] [blame] | 681 | config CRYPTO_SHA256_OCTEON |
| 682 | tristate "SHA224 and SHA256 digest algorithm (OCTEON)" |
| 683 | depends on CPU_CAVIUM_OCTEON |
| 684 | select CRYPTO_SHA256 |
| 685 | select CRYPTO_HASH |
| 686 | help |
| 687 | SHA-256 secure hash standard (DFIPS 180-2) implemented |
| 688 | using OCTEON crypto instructions, when available. |
| 689 | |
David S. Miller | 86c93b2 | 2012-08-19 17:11:37 -0700 | [diff] [blame] | 690 | config CRYPTO_SHA256_SPARC64 |
| 691 | tristate "SHA224 and SHA256 digest algorithm (SPARC64)" |
| 692 | depends on SPARC64 |
| 693 | select CRYPTO_SHA256 |
| 694 | select CRYPTO_HASH |
| 695 | help |
| 696 | SHA-256 secure hash standard (DFIPS 180-2) implemented |
| 697 | using sparc64 crypto instructions, when available. |
| 698 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 699 | config CRYPTO_SHA512 |
| 700 | tristate "SHA384 and SHA512 digest algorithms" |
Adrian-Ken Rueegsegger | bd9d20d | 2008-12-17 16:49:02 +1100 | [diff] [blame] | 701 | select CRYPTO_HASH |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 702 | help |
| 703 | SHA512 secure hash standard (DFIPS 180-2). |
| 704 | |
| 705 | This version of SHA implements a 512 bit hash with 256 bits of |
| 706 | security against collision attacks. |
| 707 | |
| 708 | This code also includes SHA-384, a 384 bit hash with 192 bits |
| 709 | of security against collision attacks. |
| 710 | |
Aaro Koskinen | efdb6f6 | 2015-03-08 22:07:47 +0200 | [diff] [blame] | 711 | config CRYPTO_SHA512_OCTEON |
| 712 | tristate "SHA384 and SHA512 digest algorithms (OCTEON)" |
| 713 | depends on CPU_CAVIUM_OCTEON |
| 714 | select CRYPTO_SHA512 |
| 715 | select CRYPTO_HASH |
| 716 | help |
| 717 | SHA-512 secure hash standard (DFIPS 180-2) implemented |
| 718 | using OCTEON crypto instructions, when available. |
| 719 | |
David S. Miller | 775e0c6 | 2012-08-19 17:37:56 -0700 | [diff] [blame] | 720 | config CRYPTO_SHA512_SPARC64 |
| 721 | tristate "SHA384 and SHA512 digest algorithm (SPARC64)" |
| 722 | depends on SPARC64 |
| 723 | select CRYPTO_SHA512 |
| 724 | select CRYPTO_HASH |
| 725 | help |
| 726 | SHA-512 secure hash standard (DFIPS 180-2) implemented |
| 727 | using sparc64 crypto instructions, when available. |
| 728 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 729 | config CRYPTO_TGR192 |
| 730 | tristate "Tiger digest algorithms" |
Adrian-Ken Rueegsegger | f63fbd3 | 2008-12-03 19:58:32 +0800 | [diff] [blame] | 731 | select CRYPTO_HASH |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 732 | help |
| 733 | Tiger hash algorithm 192, 160 and 128-bit hashes |
| 734 | |
| 735 | Tiger is a hash function optimized for 64-bit processors while |
| 736 | still having decent performance on 32-bit processors. |
| 737 | Tiger was developed by Ross Anderson and Eli Biham. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 738 | |
| 739 | See also: |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 740 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
| 741 | |
| 742 | config CRYPTO_WP512 |
| 743 | tristate "Whirlpool digest algorithms" |
Adrian-Ken Rueegsegger | 4946510 | 2008-12-07 19:34:37 +0800 | [diff] [blame] | 744 | select CRYPTO_HASH |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 745 | help |
| 746 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
| 747 | |
| 748 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
| 749 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard |
| 750 | |
| 751 | See also: |
Justin P. Mattock | 6d8de74 | 2010-09-12 10:42:47 +0800 | [diff] [blame] | 752 | <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html> |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 753 | |
Huang Ying | 0e1227d | 2009-10-19 11:53:06 +0900 | [diff] [blame] | 754 | config CRYPTO_GHASH_CLMUL_NI_INTEL |
| 755 | tristate "GHASH digest algorithm (CLMUL-NI accelerated)" |
Richard Weinberger | 8af0086 | 2011-06-08 20:56:29 +0800 | [diff] [blame] | 756 | depends on X86 && 64BIT |
Huang Ying | 0e1227d | 2009-10-19 11:53:06 +0900 | [diff] [blame] | 757 | select CRYPTO_CRYPTD |
| 758 | help |
| 759 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). |
| 760 | The implementation is accelerated by CLMUL-NI of Intel. |
| 761 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 762 | comment "Ciphers" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 763 | |
| 764 | config CRYPTO_AES |
| 765 | tristate "AES cipher algorithms" |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 766 | select CRYPTO_ALGAPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 768 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | algorithm. |
| 770 | |
| 771 | Rijndael appears to be consistently a very good performer in |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 772 | both hardware and software across a wide range of computing |
| 773 | environments regardless of its use in feedback or non-feedback |
| 774 | modes. Its key setup time is excellent, and its key agility is |
| 775 | good. Rijndael's very low memory requirements make it very well |
| 776 | suited for restricted-space environments, in which it also |
| 777 | demonstrates excellent performance. Rijndael's operations are |
| 778 | among the easiest to defend against power and timing attacks. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 780 | The AES specifies three key sizes: 128, 192 and 256 bits |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | |
| 782 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. |
| 783 | |
| 784 | config CRYPTO_AES_586 |
| 785 | tristate "AES cipher algorithms (i586)" |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 786 | depends on (X86 || UML_X86) && !64BIT |
| 787 | select CRYPTO_ALGAPI |
Sebastian Siewior | 5157dea | 2007-11-10 19:07:16 +0800 | [diff] [blame] | 788 | select CRYPTO_AES |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 789 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 790 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 791 | algorithm. |
| 792 | |
| 793 | Rijndael appears to be consistently a very good performer in |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 794 | both hardware and software across a wide range of computing |
| 795 | environments regardless of its use in feedback or non-feedback |
| 796 | modes. Its key setup time is excellent, and its key agility is |
| 797 | good. Rijndael's very low memory requirements make it very well |
| 798 | suited for restricted-space environments, in which it also |
| 799 | demonstrates excellent performance. Rijndael's operations are |
| 800 | among the easiest to defend against power and timing attacks. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 801 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 802 | The AES specifies three key sizes: 128, 192 and 256 bits |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | |
| 804 | See <http://csrc.nist.gov/encryption/aes/> for more information. |
| 805 | |
Andreas Steinmetz | a2a892a | 2005-07-06 13:55:00 -0700 | [diff] [blame] | 806 | config CRYPTO_AES_X86_64 |
| 807 | tristate "AES cipher algorithms (x86_64)" |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 808 | depends on (X86 || UML_X86) && 64BIT |
| 809 | select CRYPTO_ALGAPI |
Sebastian Siewior | 81190b3 | 2007-11-08 21:25:04 +0800 | [diff] [blame] | 810 | select CRYPTO_AES |
Andreas Steinmetz | a2a892a | 2005-07-06 13:55:00 -0700 | [diff] [blame] | 811 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 812 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
Andreas Steinmetz | a2a892a | 2005-07-06 13:55:00 -0700 | [diff] [blame] | 813 | algorithm. |
| 814 | |
| 815 | Rijndael appears to be consistently a very good performer in |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 816 | both hardware and software across a wide range of computing |
| 817 | environments regardless of its use in feedback or non-feedback |
| 818 | modes. Its key setup time is excellent, and its key agility is |
| 819 | good. Rijndael's very low memory requirements make it very well |
| 820 | suited for restricted-space environments, in which it also |
| 821 | demonstrates excellent performance. Rijndael's operations are |
| 822 | among the easiest to defend against power and timing attacks. |
Andreas Steinmetz | a2a892a | 2005-07-06 13:55:00 -0700 | [diff] [blame] | 823 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 824 | The AES specifies three key sizes: 128, 192 and 256 bits |
Andreas Steinmetz | a2a892a | 2005-07-06 13:55:00 -0700 | [diff] [blame] | 825 | |
| 826 | See <http://csrc.nist.gov/encryption/aes/> for more information. |
| 827 | |
Huang Ying | 54b6a1b | 2009-01-18 16:28:34 +1100 | [diff] [blame] | 828 | config CRYPTO_AES_NI_INTEL |
| 829 | tristate "AES cipher algorithms (AES-NI)" |
Richard Weinberger | 8af0086 | 2011-06-08 20:56:29 +0800 | [diff] [blame] | 830 | depends on X86 |
Mathias Krause | 0d258ef | 2010-11-27 16:34:46 +0800 | [diff] [blame] | 831 | select CRYPTO_AES_X86_64 if 64BIT |
| 832 | select CRYPTO_AES_586 if !64BIT |
Huang Ying | 54b6a1b | 2009-01-18 16:28:34 +1100 | [diff] [blame] | 833 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 834 | select CRYPTO_ABLK_HELPER |
Huang Ying | 54b6a1b | 2009-01-18 16:28:34 +1100 | [diff] [blame] | 835 | select CRYPTO_ALGAPI |
Jussi Kivilinna | 7643a11 | 2013-04-10 18:39:20 +0300 | [diff] [blame] | 836 | select CRYPTO_GLUE_HELPER_X86 if 64BIT |
Jussi Kivilinna | 023af60 | 2012-07-22 18:18:37 +0300 | [diff] [blame] | 837 | select CRYPTO_LRW |
| 838 | select CRYPTO_XTS |
Huang Ying | 54b6a1b | 2009-01-18 16:28:34 +1100 | [diff] [blame] | 839 | help |
| 840 | Use Intel AES-NI instructions for AES algorithm. |
| 841 | |
| 842 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
| 843 | algorithm. |
| 844 | |
| 845 | Rijndael appears to be consistently a very good performer in |
| 846 | both hardware and software across a wide range of computing |
| 847 | environments regardless of its use in feedback or non-feedback |
| 848 | modes. Its key setup time is excellent, and its key agility is |
| 849 | good. Rijndael's very low memory requirements make it very well |
| 850 | suited for restricted-space environments, in which it also |
| 851 | demonstrates excellent performance. Rijndael's operations are |
| 852 | among the easiest to defend against power and timing attacks. |
| 853 | |
| 854 | The AES specifies three key sizes: 128, 192 and 256 bits |
| 855 | |
| 856 | See <http://csrc.nist.gov/encryption/aes/> for more information. |
| 857 | |
Mathias Krause | 0d258ef | 2010-11-27 16:34:46 +0800 | [diff] [blame] | 858 | In addition to AES cipher algorithm support, the acceleration |
| 859 | for some popular block cipher mode is supported too, including |
| 860 | ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional |
| 861 | acceleration for CTR. |
Huang Ying | 2cf4ac8 | 2009-03-29 15:41:20 +0800 | [diff] [blame] | 862 | |
David S. Miller | 9bf4852d | 2012-08-21 03:58:13 -0700 | [diff] [blame] | 863 | config CRYPTO_AES_SPARC64 |
| 864 | tristate "AES cipher algorithms (SPARC64)" |
| 865 | depends on SPARC64 |
| 866 | select CRYPTO_CRYPTD |
| 867 | select CRYPTO_ALGAPI |
| 868 | help |
| 869 | Use SPARC64 crypto opcodes for AES algorithm. |
| 870 | |
| 871 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
| 872 | algorithm. |
| 873 | |
| 874 | Rijndael appears to be consistently a very good performer in |
| 875 | both hardware and software across a wide range of computing |
| 876 | environments regardless of its use in feedback or non-feedback |
| 877 | modes. Its key setup time is excellent, and its key agility is |
| 878 | good. Rijndael's very low memory requirements make it very well |
| 879 | suited for restricted-space environments, in which it also |
| 880 | demonstrates excellent performance. Rijndael's operations are |
| 881 | among the easiest to defend against power and timing attacks. |
| 882 | |
| 883 | The AES specifies three key sizes: 128, 192 and 256 bits |
| 884 | |
| 885 | See <http://csrc.nist.gov/encryption/aes/> for more information. |
| 886 | |
| 887 | In addition to AES cipher algorithm support, the acceleration |
| 888 | for some popular block cipher mode is supported too, including |
| 889 | ECB and CBC. |
| 890 | |
Markus Stockhausen | 504c614 | 2015-02-22 10:00:10 +0100 | [diff] [blame] | 891 | config CRYPTO_AES_PPC_SPE |
| 892 | tristate "AES cipher algorithms (PPC SPE)" |
| 893 | depends on PPC && SPE |
| 894 | help |
| 895 | AES cipher algorithms (FIPS-197). Additionally the acceleration |
| 896 | for popular block cipher modes ECB, CBC, CTR and XTS is supported. |
| 897 | This module should only be used for low power (router) devices |
| 898 | without hardware AES acceleration (e.g. caam crypto). It reduces the |
| 899 | size of the AES tables from 16KB to 8KB + 256 bytes and mitigates |
| 900 | timining attacks. Nevertheless it might be not as secure as other |
| 901 | architecture specific assembler implementations that work on 1KB |
| 902 | tables or 256 bytes S-boxes. |
| 903 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 904 | config CRYPTO_ANUBIS |
| 905 | tristate "Anubis cipher algorithm" |
| 906 | select CRYPTO_ALGAPI |
| 907 | help |
| 908 | Anubis cipher algorithm. |
| 909 | |
| 910 | Anubis is a variable key length cipher which can use keys from |
| 911 | 128 bits to 320 bits in length. It was evaluated as a entrant |
| 912 | in the NESSIE competition. |
| 913 | |
| 914 | See also: |
Justin P. Mattock | 6d8de74 | 2010-09-12 10:42:47 +0800 | [diff] [blame] | 915 | <https://www.cosic.esat.kuleuven.be/nessie/reports/> |
| 916 | <http://www.larc.usp.br/~pbarreto/AnubisPage.html> |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 917 | |
| 918 | config CRYPTO_ARC4 |
| 919 | tristate "ARC4 cipher algorithm" |
Sebastian Andrzej Siewior | b9b0f08 | 2012-06-26 18:13:46 +0200 | [diff] [blame] | 920 | select CRYPTO_BLKCIPHER |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 921 | help |
| 922 | ARC4 cipher algorithm. |
| 923 | |
| 924 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 |
| 925 | bits in length. This algorithm is required for driver-based |
| 926 | WEP, but it should not be for other purposes because of the |
| 927 | weakness of the algorithm. |
| 928 | |
| 929 | config CRYPTO_BLOWFISH |
| 930 | tristate "Blowfish cipher algorithm" |
| 931 | select CRYPTO_ALGAPI |
Jussi Kivilinna | 52ba867 | 2011-09-02 01:45:07 +0300 | [diff] [blame] | 932 | select CRYPTO_BLOWFISH_COMMON |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 933 | help |
| 934 | Blowfish cipher algorithm, by Bruce Schneier. |
| 935 | |
| 936 | This is a variable key length cipher which can use keys from 32 |
| 937 | bits to 448 bits in length. It's fast, simple and specifically |
| 938 | designed for use on "large microprocessors". |
| 939 | |
| 940 | See also: |
| 941 | <http://www.schneier.com/blowfish.html> |
| 942 | |
Jussi Kivilinna | 52ba867 | 2011-09-02 01:45:07 +0300 | [diff] [blame] | 943 | config CRYPTO_BLOWFISH_COMMON |
| 944 | tristate |
| 945 | help |
| 946 | Common parts of the Blowfish cipher algorithm shared by the |
| 947 | generic c and the assembler implementations. |
| 948 | |
| 949 | See also: |
| 950 | <http://www.schneier.com/blowfish.html> |
| 951 | |
Jussi Kivilinna | 64b94ce | 2011-09-02 01:45:22 +0300 | [diff] [blame] | 952 | config CRYPTO_BLOWFISH_X86_64 |
| 953 | tristate "Blowfish cipher algorithm (x86_64)" |
Al Viro | f21a7c1 | 2012-04-08 20:31:22 -0400 | [diff] [blame] | 954 | depends on X86 && 64BIT |
Jussi Kivilinna | 64b94ce | 2011-09-02 01:45:22 +0300 | [diff] [blame] | 955 | select CRYPTO_ALGAPI |
| 956 | select CRYPTO_BLOWFISH_COMMON |
| 957 | help |
| 958 | Blowfish cipher algorithm (x86_64), by Bruce Schneier. |
| 959 | |
| 960 | This is a variable key length cipher which can use keys from 32 |
| 961 | bits to 448 bits in length. It's fast, simple and specifically |
| 962 | designed for use on "large microprocessors". |
| 963 | |
| 964 | See also: |
| 965 | <http://www.schneier.com/blowfish.html> |
| 966 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 967 | config CRYPTO_CAMELLIA |
| 968 | tristate "Camellia cipher algorithms" |
| 969 | depends on CRYPTO |
| 970 | select CRYPTO_ALGAPI |
| 971 | help |
| 972 | Camellia cipher algorithms module. |
| 973 | |
| 974 | Camellia is a symmetric key block cipher developed jointly |
| 975 | at NTT and Mitsubishi Electric Corporation. |
| 976 | |
| 977 | The Camellia specifies three key sizes: 128, 192 and 256 bits. |
| 978 | |
| 979 | See also: |
| 980 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> |
| 981 | |
Jussi Kivilinna | 0b95ec5 | 2012-03-05 20:26:47 +0200 | [diff] [blame] | 982 | config CRYPTO_CAMELLIA_X86_64 |
| 983 | tristate "Camellia cipher algorithm (x86_64)" |
Al Viro | f21a7c1 | 2012-04-08 20:31:22 -0400 | [diff] [blame] | 984 | depends on X86 && 64BIT |
Jussi Kivilinna | 0b95ec5 | 2012-03-05 20:26:47 +0200 | [diff] [blame] | 985 | depends on CRYPTO |
| 986 | select CRYPTO_ALGAPI |
Jussi Kivilinna | 964263a | 2012-06-18 14:07:29 +0300 | [diff] [blame] | 987 | select CRYPTO_GLUE_HELPER_X86 |
Jussi Kivilinna | 0b95ec5 | 2012-03-05 20:26:47 +0200 | [diff] [blame] | 988 | select CRYPTO_LRW |
| 989 | select CRYPTO_XTS |
| 990 | help |
| 991 | Camellia cipher algorithm module (x86_64). |
| 992 | |
| 993 | Camellia is a symmetric key block cipher developed jointly |
| 994 | at NTT and Mitsubishi Electric Corporation. |
| 995 | |
| 996 | The Camellia specifies three key sizes: 128, 192 and 256 bits. |
| 997 | |
| 998 | See also: |
| 999 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> |
| 1000 | |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 1001 | config CRYPTO_CAMELLIA_AESNI_AVX_X86_64 |
| 1002 | tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX)" |
| 1003 | depends on X86 && 64BIT |
| 1004 | depends on CRYPTO |
| 1005 | select CRYPTO_ALGAPI |
| 1006 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 1007 | select CRYPTO_ABLK_HELPER |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 1008 | select CRYPTO_GLUE_HELPER_X86 |
| 1009 | select CRYPTO_CAMELLIA_X86_64 |
| 1010 | select CRYPTO_LRW |
| 1011 | select CRYPTO_XTS |
| 1012 | help |
| 1013 | Camellia cipher algorithm module (x86_64/AES-NI/AVX). |
| 1014 | |
| 1015 | Camellia is a symmetric key block cipher developed jointly |
| 1016 | at NTT and Mitsubishi Electric Corporation. |
| 1017 | |
| 1018 | The Camellia specifies three key sizes: 128, 192 and 256 bits. |
| 1019 | |
| 1020 | See also: |
| 1021 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> |
| 1022 | |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 1023 | config CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 |
| 1024 | tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX2)" |
| 1025 | depends on X86 && 64BIT |
| 1026 | depends on CRYPTO |
| 1027 | select CRYPTO_ALGAPI |
| 1028 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 1029 | select CRYPTO_ABLK_HELPER |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 1030 | select CRYPTO_GLUE_HELPER_X86 |
| 1031 | select CRYPTO_CAMELLIA_X86_64 |
| 1032 | select CRYPTO_CAMELLIA_AESNI_AVX_X86_64 |
| 1033 | select CRYPTO_LRW |
| 1034 | select CRYPTO_XTS |
| 1035 | help |
| 1036 | Camellia cipher algorithm module (x86_64/AES-NI/AVX2). |
| 1037 | |
| 1038 | Camellia is a symmetric key block cipher developed jointly |
| 1039 | at NTT and Mitsubishi Electric Corporation. |
| 1040 | |
| 1041 | The Camellia specifies three key sizes: 128, 192 and 256 bits. |
| 1042 | |
| 1043 | See also: |
| 1044 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> |
| 1045 | |
David S. Miller | 81658ad | 2012-08-28 12:05:54 -0700 | [diff] [blame] | 1046 | config CRYPTO_CAMELLIA_SPARC64 |
| 1047 | tristate "Camellia cipher algorithm (SPARC64)" |
| 1048 | depends on SPARC64 |
| 1049 | depends on CRYPTO |
| 1050 | select CRYPTO_ALGAPI |
| 1051 | help |
| 1052 | Camellia cipher algorithm module (SPARC64). |
| 1053 | |
| 1054 | Camellia is a symmetric key block cipher developed jointly |
| 1055 | at NTT and Mitsubishi Electric Corporation. |
| 1056 | |
| 1057 | The Camellia specifies three key sizes: 128, 192 and 256 bits. |
| 1058 | |
| 1059 | See also: |
| 1060 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> |
| 1061 | |
Jussi Kivilinna | 044ab52 | 2012-11-13 11:43:14 +0200 | [diff] [blame] | 1062 | config CRYPTO_CAST_COMMON |
| 1063 | tristate |
| 1064 | help |
| 1065 | Common parts of the CAST cipher algorithms shared by the |
| 1066 | generic c and the assembler implementations. |
| 1067 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | config CRYPTO_CAST5 |
| 1069 | tristate "CAST5 (CAST-128) cipher algorithm" |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 1070 | select CRYPTO_ALGAPI |
Jussi Kivilinna | 044ab52 | 2012-11-13 11:43:14 +0200 | [diff] [blame] | 1071 | select CRYPTO_CAST_COMMON |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1072 | help |
| 1073 | The CAST5 encryption algorithm (synonymous with CAST-128) is |
| 1074 | described in RFC2144. |
| 1075 | |
Johannes Goetzfried | 4d6d6a2 | 2012-07-11 19:37:37 +0200 | [diff] [blame] | 1076 | config CRYPTO_CAST5_AVX_X86_64 |
| 1077 | tristate "CAST5 (CAST-128) cipher algorithm (x86_64/AVX)" |
| 1078 | depends on X86 && 64BIT |
| 1079 | select CRYPTO_ALGAPI |
| 1080 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 1081 | select CRYPTO_ABLK_HELPER |
Jussi Kivilinna | 044ab52 | 2012-11-13 11:43:14 +0200 | [diff] [blame] | 1082 | select CRYPTO_CAST_COMMON |
Johannes Goetzfried | 4d6d6a2 | 2012-07-11 19:37:37 +0200 | [diff] [blame] | 1083 | select CRYPTO_CAST5 |
| 1084 | help |
| 1085 | The CAST5 encryption algorithm (synonymous with CAST-128) is |
| 1086 | described in RFC2144. |
| 1087 | |
| 1088 | This module provides the Cast5 cipher algorithm that processes |
| 1089 | sixteen blocks parallel using the AVX instruction set. |
| 1090 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | config CRYPTO_CAST6 |
| 1092 | tristate "CAST6 (CAST-256) cipher algorithm" |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 1093 | select CRYPTO_ALGAPI |
Jussi Kivilinna | 044ab52 | 2012-11-13 11:43:14 +0200 | [diff] [blame] | 1094 | select CRYPTO_CAST_COMMON |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1095 | help |
| 1096 | The CAST6 encryption algorithm (synonymous with CAST-256) is |
| 1097 | described in RFC2612. |
| 1098 | |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 1099 | config CRYPTO_CAST6_AVX_X86_64 |
| 1100 | tristate "CAST6 (CAST-256) cipher algorithm (x86_64/AVX)" |
| 1101 | depends on X86 && 64BIT |
| 1102 | select CRYPTO_ALGAPI |
| 1103 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 1104 | select CRYPTO_ABLK_HELPER |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 1105 | select CRYPTO_GLUE_HELPER_X86 |
Jussi Kivilinna | 044ab52 | 2012-11-13 11:43:14 +0200 | [diff] [blame] | 1106 | select CRYPTO_CAST_COMMON |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 1107 | select CRYPTO_CAST6 |
| 1108 | select CRYPTO_LRW |
| 1109 | select CRYPTO_XTS |
| 1110 | help |
| 1111 | The CAST6 encryption algorithm (synonymous with CAST-256) is |
| 1112 | described in RFC2612. |
| 1113 | |
| 1114 | This module provides the Cast6 cipher algorithm that processes |
| 1115 | eight blocks parallel using the AVX instruction set. |
| 1116 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 1117 | config CRYPTO_DES |
| 1118 | tristate "DES and Triple DES EDE cipher algorithms" |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 1119 | select CRYPTO_ALGAPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 1121 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1122 | |
David S. Miller | c5aac2d | 2012-08-25 22:37:23 -0700 | [diff] [blame] | 1123 | config CRYPTO_DES_SPARC64 |
| 1124 | tristate "DES and Triple DES EDE cipher algorithms (SPARC64)" |
Dave Jones | 97da37b | 2012-10-02 17:13:20 -0400 | [diff] [blame] | 1125 | depends on SPARC64 |
David S. Miller | c5aac2d | 2012-08-25 22:37:23 -0700 | [diff] [blame] | 1126 | select CRYPTO_ALGAPI |
| 1127 | select CRYPTO_DES |
| 1128 | help |
| 1129 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3), |
| 1130 | optimized using SPARC64 crypto opcodes. |
| 1131 | |
Jussi Kivilinna | 6574e6c | 2014-06-09 20:59:54 +0300 | [diff] [blame] | 1132 | config CRYPTO_DES3_EDE_X86_64 |
| 1133 | tristate "Triple DES EDE cipher algorithm (x86-64)" |
| 1134 | depends on X86 && 64BIT |
| 1135 | select CRYPTO_ALGAPI |
| 1136 | select CRYPTO_DES |
| 1137 | help |
| 1138 | Triple DES EDE (FIPS 46-3) algorithm. |
| 1139 | |
| 1140 | This module provides implementation of the Triple DES EDE cipher |
| 1141 | algorithm that is optimized for x86-64 processors. Two versions of |
| 1142 | algorithm are provided; regular processing one input block and |
| 1143 | one that processes three blocks parallel. |
| 1144 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 1145 | config CRYPTO_FCRYPT |
| 1146 | tristate "FCrypt cipher algorithm" |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 1147 | select CRYPTO_ALGAPI |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 1148 | select CRYPTO_BLKCIPHER |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1149 | help |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 1150 | FCrypt algorithm used by RxRPC. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1151 | |
| 1152 | config CRYPTO_KHAZAD |
| 1153 | tristate "Khazad cipher algorithm" |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 1154 | select CRYPTO_ALGAPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1155 | help |
| 1156 | Khazad cipher algorithm. |
| 1157 | |
| 1158 | Khazad was a finalist in the initial NESSIE competition. It is |
| 1159 | an algorithm optimized for 64-bit processors with good performance |
| 1160 | on 32-bit processors. Khazad uses an 128 bit key size. |
| 1161 | |
| 1162 | See also: |
Justin P. Mattock | 6d8de74 | 2010-09-12 10:42:47 +0800 | [diff] [blame] | 1163 | <http://www.larc.usp.br/~pbarreto/KhazadPage.html> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | |
Tan Swee Heng | 2407d60 | 2007-11-23 19:45:00 +0800 | [diff] [blame] | 1165 | config CRYPTO_SALSA20 |
Kees Cook | 3b4afaf | 2012-10-02 11:16:49 -0700 | [diff] [blame] | 1166 | tristate "Salsa20 stream cipher algorithm" |
Tan Swee Heng | 2407d60 | 2007-11-23 19:45:00 +0800 | [diff] [blame] | 1167 | select CRYPTO_BLKCIPHER |
| 1168 | help |
| 1169 | Salsa20 stream cipher algorithm. |
| 1170 | |
| 1171 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT |
| 1172 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> |
| 1173 | |
| 1174 | The Salsa20 stream cipher algorithm is designed by Daniel J. |
| 1175 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1176 | |
Tan Swee Heng | 974e4b7 | 2007-12-10 15:52:56 +0800 | [diff] [blame] | 1177 | config CRYPTO_SALSA20_586 |
Kees Cook | 3b4afaf | 2012-10-02 11:16:49 -0700 | [diff] [blame] | 1178 | tristate "Salsa20 stream cipher algorithm (i586)" |
Tan Swee Heng | 974e4b7 | 2007-12-10 15:52:56 +0800 | [diff] [blame] | 1179 | depends on (X86 || UML_X86) && !64BIT |
Tan Swee Heng | 974e4b7 | 2007-12-10 15:52:56 +0800 | [diff] [blame] | 1180 | select CRYPTO_BLKCIPHER |
Tan Swee Heng | 974e4b7 | 2007-12-10 15:52:56 +0800 | [diff] [blame] | 1181 | help |
| 1182 | Salsa20 stream cipher algorithm. |
| 1183 | |
| 1184 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT |
| 1185 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> |
| 1186 | |
| 1187 | The Salsa20 stream cipher algorithm is designed by Daniel J. |
| 1188 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> |
| 1189 | |
Tan Swee Heng | 9a7dafb | 2007-12-18 00:04:40 +0800 | [diff] [blame] | 1190 | config CRYPTO_SALSA20_X86_64 |
Kees Cook | 3b4afaf | 2012-10-02 11:16:49 -0700 | [diff] [blame] | 1191 | tristate "Salsa20 stream cipher algorithm (x86_64)" |
Tan Swee Heng | 9a7dafb | 2007-12-18 00:04:40 +0800 | [diff] [blame] | 1192 | depends on (X86 || UML_X86) && 64BIT |
Tan Swee Heng | 9a7dafb | 2007-12-18 00:04:40 +0800 | [diff] [blame] | 1193 | select CRYPTO_BLKCIPHER |
Tan Swee Heng | 9a7dafb | 2007-12-18 00:04:40 +0800 | [diff] [blame] | 1194 | help |
| 1195 | Salsa20 stream cipher algorithm. |
| 1196 | |
| 1197 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT |
| 1198 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> |
| 1199 | |
| 1200 | The Salsa20 stream cipher algorithm is designed by Daniel J. |
| 1201 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> |
| 1202 | |
Martin Willi | c08d0e6 | 2015-06-01 13:43:56 +0200 | [diff] [blame] | 1203 | config CRYPTO_CHACHA20 |
| 1204 | tristate "ChaCha20 cipher algorithm" |
| 1205 | select CRYPTO_BLKCIPHER |
| 1206 | help |
| 1207 | ChaCha20 cipher algorithm, RFC7539. |
| 1208 | |
| 1209 | ChaCha20 is a 256-bit high-speed stream cipher designed by Daniel J. |
| 1210 | Bernstein and further specified in RFC7539 for use in IETF protocols. |
| 1211 | This is the portable C implementation of ChaCha20. |
| 1212 | |
| 1213 | See also: |
| 1214 | <http://cr.yp.to/chacha/chacha-20080128.pdf> |
| 1215 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 1216 | config CRYPTO_SEED |
| 1217 | tristate "SEED cipher algorithm" |
| 1218 | select CRYPTO_ALGAPI |
| 1219 | help |
| 1220 | SEED cipher algorithm (RFC4269). |
| 1221 | |
| 1222 | SEED is a 128-bit symmetric key block cipher that has been |
| 1223 | developed by KISA (Korea Information Security Agency) as a |
| 1224 | national standard encryption algorithm of the Republic of Korea. |
| 1225 | It is a 16 round block cipher with the key size of 128 bit. |
| 1226 | |
| 1227 | See also: |
| 1228 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> |
| 1229 | |
| 1230 | config CRYPTO_SERPENT |
| 1231 | tristate "Serpent cipher algorithm" |
| 1232 | select CRYPTO_ALGAPI |
| 1233 | help |
| 1234 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
| 1235 | |
| 1236 | Keys are allowed to be from 0 to 256 bits in length, in steps |
| 1237 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed |
| 1238 | variant of Serpent for compatibility with old kerneli.org code. |
| 1239 | |
| 1240 | See also: |
| 1241 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> |
| 1242 | |
Jussi Kivilinna | 937c30d | 2011-11-09 16:26:25 +0200 | [diff] [blame] | 1243 | config CRYPTO_SERPENT_SSE2_X86_64 |
| 1244 | tristate "Serpent cipher algorithm (x86_64/SSE2)" |
| 1245 | depends on X86 && 64BIT |
| 1246 | select CRYPTO_ALGAPI |
Jussi Kivilinna | 341975b | 2011-11-24 08:37:41 +0200 | [diff] [blame] | 1247 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 1248 | select CRYPTO_ABLK_HELPER |
Jussi Kivilinna | 596d875 | 2012-06-18 14:07:19 +0300 | [diff] [blame] | 1249 | select CRYPTO_GLUE_HELPER_X86 |
Jussi Kivilinna | 937c30d | 2011-11-09 16:26:25 +0200 | [diff] [blame] | 1250 | select CRYPTO_SERPENT |
Jussi Kivilinna | feaf0cf | 2011-12-13 12:53:12 +0200 | [diff] [blame] | 1251 | select CRYPTO_LRW |
| 1252 | select CRYPTO_XTS |
Jussi Kivilinna | 937c30d | 2011-11-09 16:26:25 +0200 | [diff] [blame] | 1253 | help |
| 1254 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
| 1255 | |
| 1256 | Keys are allowed to be from 0 to 256 bits in length, in steps |
| 1257 | of 8 bits. |
| 1258 | |
Masanari Iida | 1e6232f | 2015-04-04 00:20:30 +0900 | [diff] [blame] | 1259 | This module provides Serpent cipher algorithm that processes eight |
Jussi Kivilinna | 937c30d | 2011-11-09 16:26:25 +0200 | [diff] [blame] | 1260 | blocks parallel using SSE2 instruction set. |
| 1261 | |
| 1262 | See also: |
| 1263 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> |
| 1264 | |
Jussi Kivilinna | 251496d | 2011-11-09 16:26:31 +0200 | [diff] [blame] | 1265 | config CRYPTO_SERPENT_SSE2_586 |
| 1266 | tristate "Serpent cipher algorithm (i586/SSE2)" |
| 1267 | depends on X86 && !64BIT |
| 1268 | select CRYPTO_ALGAPI |
Jussi Kivilinna | 341975b | 2011-11-24 08:37:41 +0200 | [diff] [blame] | 1269 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 1270 | select CRYPTO_ABLK_HELPER |
Jussi Kivilinna | 596d875 | 2012-06-18 14:07:19 +0300 | [diff] [blame] | 1271 | select CRYPTO_GLUE_HELPER_X86 |
Jussi Kivilinna | 251496d | 2011-11-09 16:26:31 +0200 | [diff] [blame] | 1272 | select CRYPTO_SERPENT |
Jussi Kivilinna | feaf0cf | 2011-12-13 12:53:12 +0200 | [diff] [blame] | 1273 | select CRYPTO_LRW |
| 1274 | select CRYPTO_XTS |
Jussi Kivilinna | 251496d | 2011-11-09 16:26:31 +0200 | [diff] [blame] | 1275 | help |
| 1276 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
| 1277 | |
| 1278 | Keys are allowed to be from 0 to 256 bits in length, in steps |
| 1279 | of 8 bits. |
| 1280 | |
| 1281 | This module provides Serpent cipher algorithm that processes four |
| 1282 | blocks parallel using SSE2 instruction set. |
| 1283 | |
| 1284 | See also: |
| 1285 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> |
| 1286 | |
Johannes Goetzfried | 7efe407 | 2012-06-12 16:47:43 +0800 | [diff] [blame] | 1287 | config CRYPTO_SERPENT_AVX_X86_64 |
| 1288 | tristate "Serpent cipher algorithm (x86_64/AVX)" |
| 1289 | depends on X86 && 64BIT |
| 1290 | select CRYPTO_ALGAPI |
| 1291 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 1292 | select CRYPTO_ABLK_HELPER |
Jussi Kivilinna | 1d0debb | 2012-06-18 14:07:24 +0300 | [diff] [blame] | 1293 | select CRYPTO_GLUE_HELPER_X86 |
Johannes Goetzfried | 7efe407 | 2012-06-12 16:47:43 +0800 | [diff] [blame] | 1294 | select CRYPTO_SERPENT |
| 1295 | select CRYPTO_LRW |
| 1296 | select CRYPTO_XTS |
| 1297 | help |
| 1298 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
| 1299 | |
| 1300 | Keys are allowed to be from 0 to 256 bits in length, in steps |
| 1301 | of 8 bits. |
| 1302 | |
| 1303 | This module provides the Serpent cipher algorithm that processes |
| 1304 | eight blocks parallel using the AVX instruction set. |
| 1305 | |
| 1306 | See also: |
| 1307 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> |
| 1308 | |
Jussi Kivilinna | 56d76c9 | 2013-04-13 13:46:55 +0300 | [diff] [blame] | 1309 | config CRYPTO_SERPENT_AVX2_X86_64 |
| 1310 | tristate "Serpent cipher algorithm (x86_64/AVX2)" |
| 1311 | depends on X86 && 64BIT |
| 1312 | select CRYPTO_ALGAPI |
| 1313 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 1314 | select CRYPTO_ABLK_HELPER |
Jussi Kivilinna | 56d76c9 | 2013-04-13 13:46:55 +0300 | [diff] [blame] | 1315 | select CRYPTO_GLUE_HELPER_X86 |
| 1316 | select CRYPTO_SERPENT |
| 1317 | select CRYPTO_SERPENT_AVX_X86_64 |
| 1318 | select CRYPTO_LRW |
| 1319 | select CRYPTO_XTS |
| 1320 | help |
| 1321 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
| 1322 | |
| 1323 | Keys are allowed to be from 0 to 256 bits in length, in steps |
| 1324 | of 8 bits. |
| 1325 | |
| 1326 | This module provides Serpent cipher algorithm that processes 16 |
| 1327 | blocks parallel using AVX2 instruction set. |
| 1328 | |
| 1329 | See also: |
| 1330 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> |
| 1331 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 1332 | config CRYPTO_TEA |
| 1333 | tristate "TEA, XTEA and XETA cipher algorithms" |
| 1334 | select CRYPTO_ALGAPI |
| 1335 | help |
| 1336 | TEA cipher algorithm. |
| 1337 | |
| 1338 | Tiny Encryption Algorithm is a simple cipher that uses |
| 1339 | many rounds for security. It is very fast and uses |
| 1340 | little memory. |
| 1341 | |
| 1342 | Xtendend Tiny Encryption Algorithm is a modification to |
| 1343 | the TEA algorithm to address a potential key weakness |
| 1344 | in the TEA algorithm. |
| 1345 | |
| 1346 | Xtendend Encryption Tiny Algorithm is a mis-implementation |
| 1347 | of the XTEA algorithm for compatibility purposes. |
| 1348 | |
| 1349 | config CRYPTO_TWOFISH |
| 1350 | tristate "Twofish cipher algorithm" |
| 1351 | select CRYPTO_ALGAPI |
| 1352 | select CRYPTO_TWOFISH_COMMON |
| 1353 | help |
| 1354 | Twofish cipher algorithm. |
| 1355 | |
| 1356 | Twofish was submitted as an AES (Advanced Encryption Standard) |
| 1357 | candidate cipher by researchers at CounterPane Systems. It is a |
| 1358 | 16 round block cipher supporting key sizes of 128, 192, and 256 |
| 1359 | bits. |
| 1360 | |
| 1361 | See also: |
| 1362 | <http://www.schneier.com/twofish.html> |
| 1363 | |
| 1364 | config CRYPTO_TWOFISH_COMMON |
| 1365 | tristate |
| 1366 | help |
| 1367 | Common parts of the Twofish cipher algorithm shared by the |
| 1368 | generic c and the assembler implementations. |
| 1369 | |
| 1370 | config CRYPTO_TWOFISH_586 |
| 1371 | tristate "Twofish cipher algorithms (i586)" |
| 1372 | depends on (X86 || UML_X86) && !64BIT |
| 1373 | select CRYPTO_ALGAPI |
| 1374 | select CRYPTO_TWOFISH_COMMON |
| 1375 | help |
| 1376 | Twofish cipher algorithm. |
| 1377 | |
| 1378 | Twofish was submitted as an AES (Advanced Encryption Standard) |
| 1379 | candidate cipher by researchers at CounterPane Systems. It is a |
| 1380 | 16 round block cipher supporting key sizes of 128, 192, and 256 |
| 1381 | bits. |
| 1382 | |
| 1383 | See also: |
| 1384 | <http://www.schneier.com/twofish.html> |
| 1385 | |
| 1386 | config CRYPTO_TWOFISH_X86_64 |
| 1387 | tristate "Twofish cipher algorithm (x86_64)" |
| 1388 | depends on (X86 || UML_X86) && 64BIT |
| 1389 | select CRYPTO_ALGAPI |
| 1390 | select CRYPTO_TWOFISH_COMMON |
| 1391 | help |
| 1392 | Twofish cipher algorithm (x86_64). |
| 1393 | |
| 1394 | Twofish was submitted as an AES (Advanced Encryption Standard) |
| 1395 | candidate cipher by researchers at CounterPane Systems. It is a |
| 1396 | 16 round block cipher supporting key sizes of 128, 192, and 256 |
| 1397 | bits. |
| 1398 | |
| 1399 | See also: |
| 1400 | <http://www.schneier.com/twofish.html> |
| 1401 | |
Jussi Kivilinna | 8280daa | 2011-09-26 16:47:25 +0300 | [diff] [blame] | 1402 | config CRYPTO_TWOFISH_X86_64_3WAY |
| 1403 | tristate "Twofish cipher algorithm (x86_64, 3-way parallel)" |
Al Viro | f21a7c1 | 2012-04-08 20:31:22 -0400 | [diff] [blame] | 1404 | depends on X86 && 64BIT |
Jussi Kivilinna | 8280daa | 2011-09-26 16:47:25 +0300 | [diff] [blame] | 1405 | select CRYPTO_ALGAPI |
| 1406 | select CRYPTO_TWOFISH_COMMON |
| 1407 | select CRYPTO_TWOFISH_X86_64 |
Jussi Kivilinna | 414cb5e | 2012-06-18 14:07:34 +0300 | [diff] [blame] | 1408 | select CRYPTO_GLUE_HELPER_X86 |
Jussi Kivilinna | e7cda5d | 2011-12-13 12:53:01 +0200 | [diff] [blame] | 1409 | select CRYPTO_LRW |
| 1410 | select CRYPTO_XTS |
Jussi Kivilinna | 8280daa | 2011-09-26 16:47:25 +0300 | [diff] [blame] | 1411 | help |
| 1412 | Twofish cipher algorithm (x86_64, 3-way parallel). |
| 1413 | |
| 1414 | Twofish was submitted as an AES (Advanced Encryption Standard) |
| 1415 | candidate cipher by researchers at CounterPane Systems. It is a |
| 1416 | 16 round block cipher supporting key sizes of 128, 192, and 256 |
| 1417 | bits. |
| 1418 | |
| 1419 | This module provides Twofish cipher algorithm that processes three |
| 1420 | blocks parallel, utilizing resources of out-of-order CPUs better. |
| 1421 | |
| 1422 | See also: |
| 1423 | <http://www.schneier.com/twofish.html> |
| 1424 | |
Johannes Goetzfried | 107778b | 2012-05-28 15:54:24 +0200 | [diff] [blame] | 1425 | config CRYPTO_TWOFISH_AVX_X86_64 |
| 1426 | tristate "Twofish cipher algorithm (x86_64/AVX)" |
| 1427 | depends on X86 && 64BIT |
| 1428 | select CRYPTO_ALGAPI |
| 1429 | select CRYPTO_CRYPTD |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 1430 | select CRYPTO_ABLK_HELPER |
Jussi Kivilinna | a7378d4 | 2012-06-18 14:07:39 +0300 | [diff] [blame] | 1431 | select CRYPTO_GLUE_HELPER_X86 |
Johannes Goetzfried | 107778b | 2012-05-28 15:54:24 +0200 | [diff] [blame] | 1432 | select CRYPTO_TWOFISH_COMMON |
| 1433 | select CRYPTO_TWOFISH_X86_64 |
| 1434 | select CRYPTO_TWOFISH_X86_64_3WAY |
| 1435 | select CRYPTO_LRW |
| 1436 | select CRYPTO_XTS |
| 1437 | help |
| 1438 | Twofish cipher algorithm (x86_64/AVX). |
| 1439 | |
| 1440 | Twofish was submitted as an AES (Advanced Encryption Standard) |
| 1441 | candidate cipher by researchers at CounterPane Systems. It is a |
| 1442 | 16 round block cipher supporting key sizes of 128, 192, and 256 |
| 1443 | bits. |
| 1444 | |
| 1445 | This module provides the Twofish cipher algorithm that processes |
| 1446 | eight blocks parallel using the AVX Instruction Set. |
| 1447 | |
| 1448 | See also: |
| 1449 | <http://www.schneier.com/twofish.html> |
| 1450 | |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 1451 | comment "Compression" |
| 1452 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1453 | config CRYPTO_DEFLATE |
| 1454 | tristate "Deflate compression algorithm" |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 1455 | select CRYPTO_ALGAPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1456 | select ZLIB_INFLATE |
| 1457 | select ZLIB_DEFLATE |
| 1458 | help |
| 1459 | This is the Deflate algorithm (RFC1951), specified for use in |
| 1460 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). |
Sebastian Siewior | 584fffc | 2008-04-05 21:04:48 +0800 | [diff] [blame] | 1461 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1462 | You will most probably want this if using IPSec. |
| 1463 | |
Geert Uytterhoeven | bf68e65 | 2009-03-04 15:15:49 +0800 | [diff] [blame] | 1464 | config CRYPTO_ZLIB |
| 1465 | tristate "Zlib compression algorithm" |
| 1466 | select CRYPTO_PCOMP |
| 1467 | select ZLIB_INFLATE |
| 1468 | select ZLIB_DEFLATE |
| 1469 | select NLATTR |
| 1470 | help |
| 1471 | This is the zlib algorithm. |
| 1472 | |
Zoltan Sogor | 0b77abb | 2007-12-07 16:53:23 +0800 | [diff] [blame] | 1473 | config CRYPTO_LZO |
| 1474 | tristate "LZO compression algorithm" |
| 1475 | select CRYPTO_ALGAPI |
| 1476 | select LZO_COMPRESS |
| 1477 | select LZO_DECOMPRESS |
| 1478 | help |
| 1479 | This is the LZO algorithm. |
| 1480 | |
Seth Jennings | 35a1fc1 | 2012-07-19 09:42:41 -0500 | [diff] [blame] | 1481 | config CRYPTO_842 |
| 1482 | tristate "842 compression algorithm" |
Dan Streetman | 2062c5b | 2015-05-07 13:49:15 -0400 | [diff] [blame] | 1483 | select CRYPTO_ALGAPI |
| 1484 | select 842_COMPRESS |
| 1485 | select 842_DECOMPRESS |
Seth Jennings | 35a1fc1 | 2012-07-19 09:42:41 -0500 | [diff] [blame] | 1486 | help |
| 1487 | This is the 842 algorithm. |
| 1488 | |
Chanho Min | 0ea8530 | 2013-07-08 16:01:51 -0700 | [diff] [blame] | 1489 | config CRYPTO_LZ4 |
| 1490 | tristate "LZ4 compression algorithm" |
| 1491 | select CRYPTO_ALGAPI |
| 1492 | select LZ4_COMPRESS |
| 1493 | select LZ4_DECOMPRESS |
| 1494 | help |
| 1495 | This is the LZ4 algorithm. |
| 1496 | |
| 1497 | config CRYPTO_LZ4HC |
| 1498 | tristate "LZ4HC compression algorithm" |
| 1499 | select CRYPTO_ALGAPI |
| 1500 | select LZ4HC_COMPRESS |
| 1501 | select LZ4_DECOMPRESS |
| 1502 | help |
| 1503 | This is the LZ4 high compression mode algorithm. |
| 1504 | |
Neil Horman | 17f0f4a | 2008-08-14 22:15:52 +1000 | [diff] [blame] | 1505 | comment "Random Number Generation" |
| 1506 | |
| 1507 | config CRYPTO_ANSI_CPRNG |
| 1508 | tristate "Pseudo Random Number Generation for Cryptographic modules" |
| 1509 | select CRYPTO_AES |
| 1510 | select CRYPTO_RNG |
Neil Horman | 17f0f4a | 2008-08-14 22:15:52 +1000 | [diff] [blame] | 1511 | help |
| 1512 | This option enables the generic pseudo random number generator |
| 1513 | for cryptographic modules. Uses the Algorithm specified in |
Jiri Kosina | 7dd607e | 2010-01-27 01:00:10 +0100 | [diff] [blame] | 1514 | ANSI X9.31 A.2.4. Note that this option must be enabled if |
| 1515 | CRYPTO_FIPS is selected |
Neil Horman | 17f0f4a | 2008-08-14 22:15:52 +1000 | [diff] [blame] | 1516 | |
Herbert Xu | f2c89a1 | 2014-07-04 22:15:08 +0800 | [diff] [blame] | 1517 | menuconfig CRYPTO_DRBG_MENU |
Stephan Mueller | 419090c | 2014-05-31 17:22:31 +0200 | [diff] [blame] | 1518 | tristate "NIST SP800-90A DRBG" |
Stephan Mueller | 419090c | 2014-05-31 17:22:31 +0200 | [diff] [blame] | 1519 | help |
| 1520 | NIST SP800-90A compliant DRBG. In the following submenu, one or |
| 1521 | more of the DRBG types must be selected. |
| 1522 | |
Herbert Xu | f2c89a1 | 2014-07-04 22:15:08 +0800 | [diff] [blame] | 1523 | if CRYPTO_DRBG_MENU |
Stephan Mueller | 419090c | 2014-05-31 17:22:31 +0200 | [diff] [blame] | 1524 | |
| 1525 | config CRYPTO_DRBG_HMAC |
Herbert Xu | 401e423 | 2015-06-03 14:49:31 +0800 | [diff] [blame] | 1526 | bool |
Stephan Mueller | 419090c | 2014-05-31 17:22:31 +0200 | [diff] [blame] | 1527 | default y |
Stephan Mueller | 419090c | 2014-05-31 17:22:31 +0200 | [diff] [blame] | 1528 | select CRYPTO_HMAC |
Herbert Xu | 826775b | 2015-06-11 08:55:10 +0800 | [diff] [blame] | 1529 | select CRYPTO_SHA256 |
Stephan Mueller | 419090c | 2014-05-31 17:22:31 +0200 | [diff] [blame] | 1530 | |
| 1531 | config CRYPTO_DRBG_HASH |
| 1532 | bool "Enable Hash DRBG" |
Herbert Xu | 826775b | 2015-06-11 08:55:10 +0800 | [diff] [blame] | 1533 | select CRYPTO_SHA256 |
Stephan Mueller | 419090c | 2014-05-31 17:22:31 +0200 | [diff] [blame] | 1534 | help |
| 1535 | Enable the Hash DRBG variant as defined in NIST SP800-90A. |
| 1536 | |
| 1537 | config CRYPTO_DRBG_CTR |
| 1538 | bool "Enable CTR DRBG" |
Stephan Mueller | 419090c | 2014-05-31 17:22:31 +0200 | [diff] [blame] | 1539 | select CRYPTO_AES |
| 1540 | help |
| 1541 | Enable the CTR DRBG variant as defined in NIST SP800-90A. |
| 1542 | |
Herbert Xu | f2c89a1 | 2014-07-04 22:15:08 +0800 | [diff] [blame] | 1543 | config CRYPTO_DRBG |
| 1544 | tristate |
Herbert Xu | 401e423 | 2015-06-03 14:49:31 +0800 | [diff] [blame] | 1545 | default CRYPTO_DRBG_MENU |
Herbert Xu | f2c89a1 | 2014-07-04 22:15:08 +0800 | [diff] [blame] | 1546 | select CRYPTO_RNG |
Stephan Mueller | bb5530e | 2015-05-25 15:10:20 +0200 | [diff] [blame] | 1547 | select CRYPTO_JITTERENTROPY |
Herbert Xu | f2c89a1 | 2014-07-04 22:15:08 +0800 | [diff] [blame] | 1548 | |
| 1549 | endif # if CRYPTO_DRBG_MENU |
Stephan Mueller | 419090c | 2014-05-31 17:22:31 +0200 | [diff] [blame] | 1550 | |
Stephan Mueller | bb5530e | 2015-05-25 15:10:20 +0200 | [diff] [blame] | 1551 | config CRYPTO_JITTERENTROPY |
| 1552 | tristate "Jitterentropy Non-Deterministic Random Number Generator" |
| 1553 | help |
| 1554 | The Jitterentropy RNG is a noise that is intended |
| 1555 | to provide seed to another RNG. The RNG does not |
| 1556 | perform any cryptographic whitening of the generated |
| 1557 | random numbers. This Jitterentropy RNG registers with |
| 1558 | the kernel crypto API and can be used by any caller. |
| 1559 | |
Herbert Xu | 03c8efc | 2010-10-19 21:12:39 +0800 | [diff] [blame] | 1560 | config CRYPTO_USER_API |
| 1561 | tristate |
| 1562 | |
Herbert Xu | fe869cd | 2010-10-19 21:23:00 +0800 | [diff] [blame] | 1563 | config CRYPTO_USER_API_HASH |
| 1564 | tristate "User-space interface for hash algorithms" |
Herbert Xu | 7451708 | 2010-11-29 22:56:03 +0800 | [diff] [blame] | 1565 | depends on NET |
Herbert Xu | fe869cd | 2010-10-19 21:23:00 +0800 | [diff] [blame] | 1566 | select CRYPTO_HASH |
| 1567 | select CRYPTO_USER_API |
| 1568 | help |
| 1569 | This option enables the user-spaces interface for hash |
| 1570 | algorithms. |
| 1571 | |
Herbert Xu | 8ff5909 | 2010-10-19 21:31:55 +0800 | [diff] [blame] | 1572 | config CRYPTO_USER_API_SKCIPHER |
| 1573 | tristate "User-space interface for symmetric key cipher algorithms" |
Herbert Xu | 7451708 | 2010-11-29 22:56:03 +0800 | [diff] [blame] | 1574 | depends on NET |
Herbert Xu | 8ff5909 | 2010-10-19 21:31:55 +0800 | [diff] [blame] | 1575 | select CRYPTO_BLKCIPHER |
| 1576 | select CRYPTO_USER_API |
| 1577 | help |
| 1578 | This option enables the user-spaces interface for symmetric |
| 1579 | key cipher algorithms. |
| 1580 | |
Stephan Mueller | 2f375538 | 2014-12-25 23:00:39 +0100 | [diff] [blame] | 1581 | config CRYPTO_USER_API_RNG |
| 1582 | tristate "User-space interface for random number generator algorithms" |
| 1583 | depends on NET |
| 1584 | select CRYPTO_RNG |
| 1585 | select CRYPTO_USER_API |
| 1586 | help |
| 1587 | This option enables the user-spaces interface for random |
| 1588 | number generator algorithms. |
| 1589 | |
Herbert Xu | b64a2d9 | 2015-05-28 11:30:35 +0800 | [diff] [blame] | 1590 | config CRYPTO_USER_API_AEAD |
| 1591 | tristate "User-space interface for AEAD cipher algorithms" |
| 1592 | depends on NET |
| 1593 | select CRYPTO_AEAD |
| 1594 | select CRYPTO_USER_API |
| 1595 | help |
| 1596 | This option enables the user-spaces interface for AEAD |
| 1597 | cipher algorithms. |
| 1598 | |
Dmitry Kasatkin | ee08997 | 2013-05-06 15:40:01 +0300 | [diff] [blame] | 1599 | config CRYPTO_HASH_INFO |
| 1600 | bool |
| 1601 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1602 | source "drivers/crypto/Kconfig" |
David Howells | 964f3b3 | 2012-09-13 15:17:21 +0100 | [diff] [blame] | 1603 | source crypto/asymmetric_keys/Kconfig |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1604 | |
Herbert Xu | cce9e06 | 2006-08-21 21:08:13 +1000 | [diff] [blame] | 1605 | endif # if CRYPTO |