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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
Dan Williams685784a2007-07-09 11:56:42 -07002# Generic algorithms support
3#
4config XOR_BLOCKS
5 tristate
6
7#
Dan Williams9bc89cd2007-01-02 11:10:44 -07008# async_tx api: hardware offloaded memory transfer/transform support
9#
10source "crypto/async_tx/Kconfig"
11
12#
Linus Torvalds1da177e2005-04-16 15:20:36 -070013# Cryptographic API Configuration
14#
Jan Engelhardt2e290f42007-05-18 15:11:01 +100015menuconfig CRYPTO
Sebastian Siewiorc3715cb92008-03-30 16:36:09 +080016 tristate "Cryptographic API"
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 help
18 This option provides the core Cryptographic API.
19
Herbert Xucce9e062006-08-21 21:08:13 +100020if CRYPTO
21
Sebastian Siewior584fffc2008-04-05 21:04:48 +080022comment "Crypto core or helper"
23
Neil Hormanccb778e2008-08-05 14:13:08 +080024config CRYPTO_FIPS
25 bool "FIPS 200 compliance"
Neil Horman4e4ed832009-08-20 17:54:16 +100026 depends on CRYPTO_ANSI_CPRNG
Neil Hormanccb778e2008-08-05 14:13:08 +080027 help
28 This options enables the fips boot option which is
29 required if you want to system to operate in a FIPS 200
30 certification. You should say no unless you know what
Neil Horman4e4ed832009-08-20 17:54:16 +100031 this is. Note that CRYPTO_ANSI_CPRNG is requred if this
32 option is selected
Neil Hormanccb778e2008-08-05 14:13:08 +080033
Herbert Xucce9e062006-08-21 21:08:13 +100034config CRYPTO_ALGAPI
35 tristate
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110036 select CRYPTO_ALGAPI2
Herbert Xucce9e062006-08-21 21:08:13 +100037 help
38 This option provides the API for cryptographic algorithms.
39
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110040config CRYPTO_ALGAPI2
41 tristate
42
Herbert Xu1ae97822007-08-30 15:36:14 +080043config CRYPTO_AEAD
44 tristate
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110045 select CRYPTO_AEAD2
Herbert Xu1ae97822007-08-30 15:36:14 +080046 select CRYPTO_ALGAPI
47
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110048config CRYPTO_AEAD2
49 tristate
50 select CRYPTO_ALGAPI2
51
Herbert Xu5cde0af2006-08-22 00:07:53 +100052config CRYPTO_BLKCIPHER
53 tristate
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110054 select CRYPTO_BLKCIPHER2
Herbert Xu5cde0af2006-08-22 00:07:53 +100055 select CRYPTO_ALGAPI
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110056
57config CRYPTO_BLKCIPHER2
58 tristate
59 select CRYPTO_ALGAPI2
60 select CRYPTO_RNG2
Huang Ying0a2e8212009-02-19 14:44:02 +080061 select CRYPTO_WORKQUEUE
Herbert Xu5cde0af2006-08-22 00:07:53 +100062
Herbert Xu055bcee2006-08-19 22:24:23 +100063config CRYPTO_HASH
64 tristate
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110065 select CRYPTO_HASH2
Herbert Xu055bcee2006-08-19 22:24:23 +100066 select CRYPTO_ALGAPI
67
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110068config CRYPTO_HASH2
69 tristate
70 select CRYPTO_ALGAPI2
71
Neil Horman17f0f4a2008-08-14 22:15:52 +100072config CRYPTO_RNG
73 tristate
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110074 select CRYPTO_RNG2
Neil Horman17f0f4a2008-08-14 22:15:52 +100075 select CRYPTO_ALGAPI
76
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110077config CRYPTO_RNG2
78 tristate
79 select CRYPTO_ALGAPI2
80
Geert Uytterhoevena1d2f092009-03-04 15:05:33 +080081config CRYPTO_PCOMP
82 tristate
83 select CRYPTO_ALGAPI2
84
Herbert Xu2b8c19d2006-09-21 11:31:44 +100085config CRYPTO_MANAGER
86 tristate "Cryptographic algorithm manager"
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110087 select CRYPTO_MANAGER2
Herbert Xu2b8c19d2006-09-21 11:31:44 +100088 help
89 Create default cryptographic template instantiations such as
90 cbc(aes).
91
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110092config CRYPTO_MANAGER2
93 def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
94 select CRYPTO_AEAD2
95 select CRYPTO_HASH2
96 select CRYPTO_BLKCIPHER2
Geert Uytterhoeven0c01aed2009-03-04 15:42:15 +080097 select CRYPTO_PCOMP
Herbert Xu6a0fcbb2008-12-10 23:29:44 +110098
Rik Snelc494e072006-11-29 18:59:44 +110099config CRYPTO_GF128MUL
100 tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
101 depends on EXPERIMENTAL
102 help
103 Efficient table driven implementation of multiplications in the
104 field GF(2^128). This is needed by some cypher modes. This
105 option will be selected automatically if you select such a
106 cipher mode. Only select this option by hand if you expect to load
107 an external module that requires these functions.
108
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800109config CRYPTO_NULL
110 tristate "Null algorithms"
111 select CRYPTO_ALGAPI
112 select CRYPTO_BLKCIPHER
Herbert Xud35d2452008-11-08 08:09:56 +0800113 select CRYPTO_HASH
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800114 help
115 These are 'Null' algorithms, used by IPsec, which do nothing.
116
Huang Ying25c38d32009-02-19 14:33:40 +0800117config CRYPTO_WORKQUEUE
118 tristate
119
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800120config CRYPTO_CRYPTD
121 tristate "Software async crypto daemon"
Herbert Xudb131ef2006-09-21 11:44:08 +1000122 select CRYPTO_BLKCIPHER
Loc Hob8a28252008-05-14 21:23:00 +0800123 select CRYPTO_HASH
Herbert Xu43518402006-10-16 21:28:58 +1000124 select CRYPTO_MANAGER
Huang Ying254eff72009-02-19 14:42:19 +0800125 select CRYPTO_WORKQUEUE
Herbert Xudb131ef2006-09-21 11:44:08 +1000126 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800127 This is a generic software asynchronous crypto daemon that
128 converts an arbitrary synchronous software crypto algorithm
129 into an asynchronous algorithm that executes in a kernel thread.
130
131config CRYPTO_AUTHENC
132 tristate "Authenc support"
133 select CRYPTO_AEAD
134 select CRYPTO_BLKCIPHER
135 select CRYPTO_MANAGER
136 select CRYPTO_HASH
137 help
138 Authenc: Combined mode wrapper for IPsec.
139 This is required for IPSec.
140
141config CRYPTO_TEST
142 tristate "Testing module"
143 depends on m
Herbert Xuda7f0332008-07-31 17:08:25 +0800144 select CRYPTO_MANAGER
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800145 help
146 Quick & dirty crypto test module.
147
148comment "Authenticated Encryption with Associated Data"
149
150config CRYPTO_CCM
151 tristate "CCM support"
152 select CRYPTO_CTR
153 select CRYPTO_AEAD
154 help
155 Support for Counter with CBC MAC. Required for IPsec.
156
157config CRYPTO_GCM
158 tristate "GCM/GMAC support"
159 select CRYPTO_CTR
160 select CRYPTO_AEAD
Huang Ying9382d972009-08-06 15:34:26 +1000161 select CRYPTO_GHASH
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800162 help
163 Support for Galois/Counter Mode (GCM) and Galois Message
164 Authentication Code (GMAC). Required for IPSec.
165
166config CRYPTO_SEQIV
167 tristate "Sequence Number IV Generator"
168 select CRYPTO_AEAD
169 select CRYPTO_BLKCIPHER
Herbert Xua0f000e2008-08-14 22:21:31 +1000170 select CRYPTO_RNG
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800171 help
172 This IV generator generates an IV based on a sequence number by
173 xoring it with a salt. This algorithm is mainly useful for CTR
174
175comment "Block modes"
Herbert Xudb131ef2006-09-21 11:44:08 +1000176
177config CRYPTO_CBC
178 tristate "CBC support"
179 select CRYPTO_BLKCIPHER
Herbert Xu43518402006-10-16 21:28:58 +1000180 select CRYPTO_MANAGER
Herbert Xudb131ef2006-09-21 11:44:08 +1000181 help
182 CBC: Cipher Block Chaining mode
183 This block cipher algorithm is required for IPSec.
184
Joy Latten23e353c2007-10-23 08:50:32 +0800185config CRYPTO_CTR
186 tristate "CTR support"
187 select CRYPTO_BLKCIPHER
Herbert Xu0a270322007-11-30 21:38:37 +1100188 select CRYPTO_SEQIV
Joy Latten23e353c2007-10-23 08:50:32 +0800189 select CRYPTO_MANAGER
Joy Latten23e353c2007-10-23 08:50:32 +0800190 help
191 CTR: Counter mode
192 This block cipher algorithm is required for IPSec.
193
Kevin Coffman76cb9522008-03-24 21:26:16 +0800194config CRYPTO_CTS
195 tristate "CTS support"
196 select CRYPTO_BLKCIPHER
197 help
198 CTS: Cipher Text Stealing
199 This is the Cipher Text Stealing mode as described by
200 Section 8 of rfc2040 and referenced by rfc3962.
201 (rfc3962 includes errata information in its Appendix A)
202 This mode is required for Kerberos gss mechanism support
203 for AES encryption.
204
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800205config CRYPTO_ECB
206 tristate "ECB support"
Herbert Xu653ebd92007-11-27 19:48:27 +0800207 select CRYPTO_BLKCIPHER
Herbert Xu124b53d2007-04-16 20:49:20 +1000208 select CRYPTO_MANAGER
209 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800210 ECB: Electronic CodeBook mode
211 This is the simplest block cipher algorithm. It simply encrypts
212 the input block by block.
Herbert Xu124b53d2007-04-16 20:49:20 +1000213
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800214config CRYPTO_LRW
215 tristate "LRW support (EXPERIMENTAL)"
216 depends on EXPERIMENTAL
David Howells90831632006-12-16 12:13:14 +1100217 select CRYPTO_BLKCIPHER
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800218 select CRYPTO_MANAGER
219 select CRYPTO_GF128MUL
David Howells90831632006-12-16 12:13:14 +1100220 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800221 LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
222 narrow block cipher mode for dm-crypt. Use it with cipher
223 specification string aes-lrw-benbi, the key must be 256, 320 or 384.
224 The first 128, 192 or 256 bits in the key are used for AES and the
225 rest is used to tie each cipher block to its logical position.
David Howells90831632006-12-16 12:13:14 +1100226
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800227config CRYPTO_PCBC
228 tristate "PCBC support"
229 select CRYPTO_BLKCIPHER
230 select CRYPTO_MANAGER
231 help
232 PCBC: Propagating Cipher Block Chaining mode
233 This block cipher algorithm is required for RxRPC.
234
235config CRYPTO_XTS
236 tristate "XTS support (EXPERIMENTAL)"
237 depends on EXPERIMENTAL
238 select CRYPTO_BLKCIPHER
239 select CRYPTO_MANAGER
240 select CRYPTO_GF128MUL
241 help
242 XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
243 key size 256, 384 or 512 bits. This implementation currently
244 can't handle a sectorsize which is not a multiple of 16 bytes.
245
Huang Ying150c7e82009-03-29 15:39:02 +0800246config CRYPTO_FPU
247 tristate
248 select CRYPTO_BLKCIPHER
249 select CRYPTO_MANAGER
250
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800251comment "Hash modes"
252
253config CRYPTO_HMAC
254 tristate "HMAC support"
255 select CRYPTO_HASH
256 select CRYPTO_MANAGER
257 help
258 HMAC: Keyed-Hashing for Message Authentication (RFC2104).
259 This is required for IPSec.
260
261config CRYPTO_XCBC
262 tristate "XCBC support"
263 depends on EXPERIMENTAL
264 select CRYPTO_HASH
265 select CRYPTO_MANAGER
266 help
267 XCBC: Keyed-Hashing with encryption algorithm
268 http://www.ietf.org/rfc/rfc3566.txt
269 http://csrc.nist.gov/encryption/modes/proposedmodes/
270 xcbc-mac/xcbc-mac-spec.pdf
271
272comment "Digest"
273
274config CRYPTO_CRC32C
275 tristate "CRC32c CRC algorithm"
Herbert Xu5773a3e2008-07-08 20:54:28 +0800276 select CRYPTO_HASH
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800277 help
278 Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
279 by iSCSI for header and data digests and by others.
Herbert Xu69c35ef2008-11-07 15:11:47 +0800280 See Castagnoli93. Module will be crc32c.
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800281
Austin Zhang8cb51ba2008-08-07 09:57:03 +0800282config CRYPTO_CRC32C_INTEL
283 tristate "CRC32c INTEL hardware acceleration"
284 depends on X86
285 select CRYPTO_HASH
286 help
287 In Intel processor with SSE4.2 supported, the processor will
288 support CRC32C implementation using hardware accelerated CRC32
289 instruction. This option will create 'crc32c-intel' module,
290 which will enable any routine to use the CRC32 instruction to
291 gain performance compared with software implementation.
292 Module will be crc32c-intel.
293
Huang Ying2cdc6892009-08-06 15:32:38 +1000294config CRYPTO_GHASH
295 tristate "GHASH digest algorithm"
296 select CRYPTO_SHASH
297 select CRYPTO_GF128MUL
298 help
299 GHASH is message digest algorithm for GCM (Galois/Counter Mode).
300
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800301config CRYPTO_MD4
302 tristate "MD4 digest algorithm"
Adrian-Ken Rueegsegger808a1762008-12-03 19:55:27 +0800303 select CRYPTO_HASH
Linus Torvalds1da177e2005-04-16 15:20:36 -0700304 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800305 MD4 message digest algorithm (RFC1320).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700306
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800307config CRYPTO_MD5
308 tristate "MD5 digest algorithm"
Adrian-Ken Rueegsegger14b75ba2008-12-03 19:57:12 +0800309 select CRYPTO_HASH
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800311 MD5 message digest algorithm (RFC1321).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800313config CRYPTO_MICHAEL_MIC
314 tristate "Michael MIC keyed digest algorithm"
Adrian-Ken Rueegsegger19e2bf12008-12-07 19:35:38 +0800315 select CRYPTO_HASH
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800316 help
317 Michael MIC is used for message integrity protection in TKIP
318 (IEEE 802.11i). This algorithm is required for TKIP, but it
319 should not be used for other purposes because of the weakness
320 of the algorithm.
321
Adrian-Ken Rueegsegger82798f92008-05-07 22:17:37 +0800322config CRYPTO_RMD128
Adrian Bunkb6d44342008-07-16 19:28:00 +0800323 tristate "RIPEMD-128 digest algorithm"
Herbert Xu7c4468b2008-11-08 09:10:40 +0800324 select CRYPTO_HASH
Adrian Bunkb6d44342008-07-16 19:28:00 +0800325 help
326 RIPEMD-128 (ISO/IEC 10118-3:2004).
Adrian-Ken Rueegsegger82798f92008-05-07 22:17:37 +0800327
Adrian Bunkb6d44342008-07-16 19:28:00 +0800328 RIPEMD-128 is a 128-bit cryptographic hash function. It should only
329 to be used as a secure replacement for RIPEMD. For other use cases
330 RIPEMD-160 should be used.
Adrian-Ken Rueegsegger82798f92008-05-07 22:17:37 +0800331
Adrian Bunkb6d44342008-07-16 19:28:00 +0800332 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
333 See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
Adrian-Ken Rueegsegger82798f92008-05-07 22:17:37 +0800334
335config CRYPTO_RMD160
Adrian Bunkb6d44342008-07-16 19:28:00 +0800336 tristate "RIPEMD-160 digest algorithm"
Herbert Xue5835fb2008-11-08 09:18:51 +0800337 select CRYPTO_HASH
Adrian Bunkb6d44342008-07-16 19:28:00 +0800338 help
339 RIPEMD-160 (ISO/IEC 10118-3:2004).
Adrian-Ken Rueegsegger82798f92008-05-07 22:17:37 +0800340
Adrian Bunkb6d44342008-07-16 19:28:00 +0800341 RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
342 to be used as a secure replacement for the 128-bit hash functions
343 MD4, MD5 and it's predecessor RIPEMD
344 (not to be confused with RIPEMD-128).
Adrian-Ken Rueegsegger82798f92008-05-07 22:17:37 +0800345
Adrian Bunkb6d44342008-07-16 19:28:00 +0800346 It's speed is comparable to SHA1 and there are no known attacks
347 against RIPEMD-160.
Adrian-Ken Rueegsegger534fe2c2008-05-09 21:30:27 +0800348
Adrian Bunkb6d44342008-07-16 19:28:00 +0800349 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
350 See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
Adrian-Ken Rueegsegger534fe2c2008-05-09 21:30:27 +0800351
352config CRYPTO_RMD256
Adrian Bunkb6d44342008-07-16 19:28:00 +0800353 tristate "RIPEMD-256 digest algorithm"
Herbert Xud8a5e2e2008-11-08 09:58:10 +0800354 select CRYPTO_HASH
Adrian Bunkb6d44342008-07-16 19:28:00 +0800355 help
356 RIPEMD-256 is an optional extension of RIPEMD-128 with a
357 256 bit hash. It is intended for applications that require
358 longer hash-results, without needing a larger security level
359 (than RIPEMD-128).
Adrian-Ken Rueegsegger534fe2c2008-05-09 21:30:27 +0800360
Adrian Bunkb6d44342008-07-16 19:28:00 +0800361 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
362 See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
Adrian-Ken Rueegsegger534fe2c2008-05-09 21:30:27 +0800363
364config CRYPTO_RMD320
Adrian Bunkb6d44342008-07-16 19:28:00 +0800365 tristate "RIPEMD-320 digest algorithm"
Herbert Xu3b8efb42008-11-08 10:11:09 +0800366 select CRYPTO_HASH
Adrian Bunkb6d44342008-07-16 19:28:00 +0800367 help
368 RIPEMD-320 is an optional extension of RIPEMD-160 with a
369 320 bit hash. It is intended for applications that require
370 longer hash-results, without needing a larger security level
371 (than RIPEMD-160).
Adrian-Ken Rueegsegger534fe2c2008-05-09 21:30:27 +0800372
Adrian Bunkb6d44342008-07-16 19:28:00 +0800373 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
374 See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
Adrian-Ken Rueegsegger82798f92008-05-07 22:17:37 +0800375
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800376config CRYPTO_SHA1
377 tristate "SHA1 digest algorithm"
Adrian-Ken Rueegsegger54ccb362008-12-02 21:08:20 +0800378 select CRYPTO_HASH
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800379 help
380 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
381
382config CRYPTO_SHA256
383 tristate "SHA224 and SHA256 digest algorithm"
Adrian-Ken Rueegsegger50e109b2008-12-03 19:57:49 +0800384 select CRYPTO_HASH
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800385 help
386 SHA256 secure hash standard (DFIPS 180-2).
387
388 This version of SHA implements a 256 bit hash with 128 bits of
389 security against collision attacks.
390
Adrian Bunkb6d44342008-07-16 19:28:00 +0800391 This code also includes SHA-224, a 224 bit hash with 112 bits
392 of security against collision attacks.
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800393
394config CRYPTO_SHA512
395 tristate "SHA384 and SHA512 digest algorithms"
Adrian-Ken Rueegseggerbd9d20d2008-12-17 16:49:02 +1100396 select CRYPTO_HASH
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800397 help
398 SHA512 secure hash standard (DFIPS 180-2).
399
400 This version of SHA implements a 512 bit hash with 256 bits of
401 security against collision attacks.
402
403 This code also includes SHA-384, a 384 bit hash with 192 bits
404 of security against collision attacks.
405
406config CRYPTO_TGR192
407 tristate "Tiger digest algorithms"
Adrian-Ken Rueegseggerf63fbd32008-12-03 19:58:32 +0800408 select CRYPTO_HASH
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800409 help
410 Tiger hash algorithm 192, 160 and 128-bit hashes
411
412 Tiger is a hash function optimized for 64-bit processors while
413 still having decent performance on 32-bit processors.
414 Tiger was developed by Ross Anderson and Eli Biham.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415
416 See also:
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800417 <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
418
419config CRYPTO_WP512
420 tristate "Whirlpool digest algorithms"
Adrian-Ken Rueegsegger49465102008-12-07 19:34:37 +0800421 select CRYPTO_HASH
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800422 help
423 Whirlpool hash algorithm 512, 384 and 256-bit hashes
424
425 Whirlpool-512 is part of the NESSIE cryptographic primitives.
426 Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
427
428 See also:
429 <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
430
431comment "Ciphers"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432
433config CRYPTO_AES
434 tristate "AES cipher algorithms"
Herbert Xucce9e062006-08-21 21:08:13 +1000435 select CRYPTO_ALGAPI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700436 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800437 AES cipher algorithms (FIPS-197). AES uses the Rijndael
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438 algorithm.
439
440 Rijndael appears to be consistently a very good performer in
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800441 both hardware and software across a wide range of computing
442 environments regardless of its use in feedback or non-feedback
443 modes. Its key setup time is excellent, and its key agility is
444 good. Rijndael's very low memory requirements make it very well
445 suited for restricted-space environments, in which it also
446 demonstrates excellent performance. Rijndael's operations are
447 among the easiest to defend against power and timing attacks.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800449 The AES specifies three key sizes: 128, 192 and 256 bits
Linus Torvalds1da177e2005-04-16 15:20:36 -0700450
451 See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
452
453config CRYPTO_AES_586
454 tristate "AES cipher algorithms (i586)"
Herbert Xucce9e062006-08-21 21:08:13 +1000455 depends on (X86 || UML_X86) && !64BIT
456 select CRYPTO_ALGAPI
Sebastian Siewior5157dea2007-11-10 19:07:16 +0800457 select CRYPTO_AES
Linus Torvalds1da177e2005-04-16 15:20:36 -0700458 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800459 AES cipher algorithms (FIPS-197). AES uses the Rijndael
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460 algorithm.
461
462 Rijndael appears to be consistently a very good performer in
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800463 both hardware and software across a wide range of computing
464 environments regardless of its use in feedback or non-feedback
465 modes. Its key setup time is excellent, and its key agility is
466 good. Rijndael's very low memory requirements make it very well
467 suited for restricted-space environments, in which it also
468 demonstrates excellent performance. Rijndael's operations are
469 among the easiest to defend against power and timing attacks.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800471 The AES specifies three key sizes: 128, 192 and 256 bits
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472
473 See <http://csrc.nist.gov/encryption/aes/> for more information.
474
Andreas Steinmetza2a892a2005-07-06 13:55:00 -0700475config CRYPTO_AES_X86_64
476 tristate "AES cipher algorithms (x86_64)"
Herbert Xucce9e062006-08-21 21:08:13 +1000477 depends on (X86 || UML_X86) && 64BIT
478 select CRYPTO_ALGAPI
Sebastian Siewior81190b32007-11-08 21:25:04 +0800479 select CRYPTO_AES
Andreas Steinmetza2a892a2005-07-06 13:55:00 -0700480 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800481 AES cipher algorithms (FIPS-197). AES uses the Rijndael
Andreas Steinmetza2a892a2005-07-06 13:55:00 -0700482 algorithm.
483
484 Rijndael appears to be consistently a very good performer in
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800485 both hardware and software across a wide range of computing
486 environments regardless of its use in feedback or non-feedback
487 modes. Its key setup time is excellent, and its key agility is
488 good. Rijndael's very low memory requirements make it very well
489 suited for restricted-space environments, in which it also
490 demonstrates excellent performance. Rijndael's operations are
491 among the easiest to defend against power and timing attacks.
Andreas Steinmetza2a892a2005-07-06 13:55:00 -0700492
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800493 The AES specifies three key sizes: 128, 192 and 256 bits
Andreas Steinmetza2a892a2005-07-06 13:55:00 -0700494
495 See <http://csrc.nist.gov/encryption/aes/> for more information.
496
Huang Ying54b6a1b2009-01-18 16:28:34 +1100497config CRYPTO_AES_NI_INTEL
498 tristate "AES cipher algorithms (AES-NI)"
499 depends on (X86 || UML_X86) && 64BIT
500 select CRYPTO_AES_X86_64
501 select CRYPTO_CRYPTD
502 select CRYPTO_ALGAPI
Huang Ying2cf4ac82009-03-29 15:41:20 +0800503 select CRYPTO_FPU
Huang Ying54b6a1b2009-01-18 16:28:34 +1100504 help
505 Use Intel AES-NI instructions for AES algorithm.
506
507 AES cipher algorithms (FIPS-197). AES uses the Rijndael
508 algorithm.
509
510 Rijndael appears to be consistently a very good performer in
511 both hardware and software across a wide range of computing
512 environments regardless of its use in feedback or non-feedback
513 modes. Its key setup time is excellent, and its key agility is
514 good. Rijndael's very low memory requirements make it very well
515 suited for restricted-space environments, in which it also
516 demonstrates excellent performance. Rijndael's operations are
517 among the easiest to defend against power and timing attacks.
518
519 The AES specifies three key sizes: 128, 192 and 256 bits
520
521 See <http://csrc.nist.gov/encryption/aes/> for more information.
522
Huang Ying2cf4ac82009-03-29 15:41:20 +0800523 In addition to AES cipher algorithm support, the
524 acceleration for some popular block cipher mode is supported
525 too, including ECB, CBC, CTR, LRW, PCBC, XTS.
526
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800527config CRYPTO_ANUBIS
528 tristate "Anubis cipher algorithm"
529 select CRYPTO_ALGAPI
530 help
531 Anubis cipher algorithm.
532
533 Anubis is a variable key length cipher which can use keys from
534 128 bits to 320 bits in length. It was evaluated as a entrant
535 in the NESSIE competition.
536
537 See also:
538 <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
539 <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
540
541config CRYPTO_ARC4
542 tristate "ARC4 cipher algorithm"
543 select CRYPTO_ALGAPI
544 help
545 ARC4 cipher algorithm.
546
547 ARC4 is a stream cipher using keys ranging from 8 bits to 2048
548 bits in length. This algorithm is required for driver-based
549 WEP, but it should not be for other purposes because of the
550 weakness of the algorithm.
551
552config CRYPTO_BLOWFISH
553 tristate "Blowfish cipher algorithm"
554 select CRYPTO_ALGAPI
555 help
556 Blowfish cipher algorithm, by Bruce Schneier.
557
558 This is a variable key length cipher which can use keys from 32
559 bits to 448 bits in length. It's fast, simple and specifically
560 designed for use on "large microprocessors".
561
562 See also:
563 <http://www.schneier.com/blowfish.html>
564
565config CRYPTO_CAMELLIA
566 tristate "Camellia cipher algorithms"
567 depends on CRYPTO
568 select CRYPTO_ALGAPI
569 help
570 Camellia cipher algorithms module.
571
572 Camellia is a symmetric key block cipher developed jointly
573 at NTT and Mitsubishi Electric Corporation.
574
575 The Camellia specifies three key sizes: 128, 192 and 256 bits.
576
577 See also:
578 <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
579
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580config CRYPTO_CAST5
581 tristate "CAST5 (CAST-128) cipher algorithm"
Herbert Xucce9e062006-08-21 21:08:13 +1000582 select CRYPTO_ALGAPI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700583 help
584 The CAST5 encryption algorithm (synonymous with CAST-128) is
585 described in RFC2144.
586
587config CRYPTO_CAST6
588 tristate "CAST6 (CAST-256) cipher algorithm"
Herbert Xucce9e062006-08-21 21:08:13 +1000589 select CRYPTO_ALGAPI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590 help
591 The CAST6 encryption algorithm (synonymous with CAST-256) is
592 described in RFC2612.
593
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800594config CRYPTO_DES
595 tristate "DES and Triple DES EDE cipher algorithms"
Herbert Xucce9e062006-08-21 21:08:13 +1000596 select CRYPTO_ALGAPI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800598 DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700599
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800600config CRYPTO_FCRYPT
601 tristate "FCrypt cipher algorithm"
Herbert Xucce9e062006-08-21 21:08:13 +1000602 select CRYPTO_ALGAPI
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800603 select CRYPTO_BLKCIPHER
Linus Torvalds1da177e2005-04-16 15:20:36 -0700604 help
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800605 FCrypt algorithm used by RxRPC.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700606
607config CRYPTO_KHAZAD
608 tristate "Khazad cipher algorithm"
Herbert Xucce9e062006-08-21 21:08:13 +1000609 select CRYPTO_ALGAPI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700610 help
611 Khazad cipher algorithm.
612
613 Khazad was a finalist in the initial NESSIE competition. It is
614 an algorithm optimized for 64-bit processors with good performance
615 on 32-bit processors. Khazad uses an 128 bit key size.
616
617 See also:
618 <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
619
Tan Swee Heng2407d602007-11-23 19:45:00 +0800620config CRYPTO_SALSA20
621 tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
622 depends on EXPERIMENTAL
623 select CRYPTO_BLKCIPHER
624 help
625 Salsa20 stream cipher algorithm.
626
627 Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
628 Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
629
630 The Salsa20 stream cipher algorithm is designed by Daniel J.
631 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632
Tan Swee Heng974e4b72007-12-10 15:52:56 +0800633config CRYPTO_SALSA20_586
634 tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
635 depends on (X86 || UML_X86) && !64BIT
636 depends on EXPERIMENTAL
637 select CRYPTO_BLKCIPHER
Tan Swee Heng974e4b72007-12-10 15:52:56 +0800638 help
639 Salsa20 stream cipher algorithm.
640
641 Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
642 Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
643
644 The Salsa20 stream cipher algorithm is designed by Daniel J.
645 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
646
Tan Swee Heng9a7dafb2007-12-18 00:04:40 +0800647config CRYPTO_SALSA20_X86_64
648 tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
649 depends on (X86 || UML_X86) && 64BIT
650 depends on EXPERIMENTAL
651 select CRYPTO_BLKCIPHER
Tan Swee Heng9a7dafb2007-12-18 00:04:40 +0800652 help
653 Salsa20 stream cipher algorithm.
654
655 Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
656 Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
657
658 The Salsa20 stream cipher algorithm is designed by Daniel J.
659 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
660
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800661config CRYPTO_SEED
662 tristate "SEED cipher algorithm"
663 select CRYPTO_ALGAPI
664 help
665 SEED cipher algorithm (RFC4269).
666
667 SEED is a 128-bit symmetric key block cipher that has been
668 developed by KISA (Korea Information Security Agency) as a
669 national standard encryption algorithm of the Republic of Korea.
670 It is a 16 round block cipher with the key size of 128 bit.
671
672 See also:
673 <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
674
675config CRYPTO_SERPENT
676 tristate "Serpent cipher algorithm"
677 select CRYPTO_ALGAPI
678 help
679 Serpent cipher algorithm, by Anderson, Biham & Knudsen.
680
681 Keys are allowed to be from 0 to 256 bits in length, in steps
682 of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
683 variant of Serpent for compatibility with old kerneli.org code.
684
685 See also:
686 <http://www.cl.cam.ac.uk/~rja14/serpent.html>
687
688config CRYPTO_TEA
689 tristate "TEA, XTEA and XETA cipher algorithms"
690 select CRYPTO_ALGAPI
691 help
692 TEA cipher algorithm.
693
694 Tiny Encryption Algorithm is a simple cipher that uses
695 many rounds for security. It is very fast and uses
696 little memory.
697
698 Xtendend Tiny Encryption Algorithm is a modification to
699 the TEA algorithm to address a potential key weakness
700 in the TEA algorithm.
701
702 Xtendend Encryption Tiny Algorithm is a mis-implementation
703 of the XTEA algorithm for compatibility purposes.
704
705config CRYPTO_TWOFISH
706 tristate "Twofish cipher algorithm"
707 select CRYPTO_ALGAPI
708 select CRYPTO_TWOFISH_COMMON
709 help
710 Twofish cipher algorithm.
711
712 Twofish was submitted as an AES (Advanced Encryption Standard)
713 candidate cipher by researchers at CounterPane Systems. It is a
714 16 round block cipher supporting key sizes of 128, 192, and 256
715 bits.
716
717 See also:
718 <http://www.schneier.com/twofish.html>
719
720config CRYPTO_TWOFISH_COMMON
721 tristate
722 help
723 Common parts of the Twofish cipher algorithm shared by the
724 generic c and the assembler implementations.
725
726config CRYPTO_TWOFISH_586
727 tristate "Twofish cipher algorithms (i586)"
728 depends on (X86 || UML_X86) && !64BIT
729 select CRYPTO_ALGAPI
730 select CRYPTO_TWOFISH_COMMON
731 help
732 Twofish cipher algorithm.
733
734 Twofish was submitted as an AES (Advanced Encryption Standard)
735 candidate cipher by researchers at CounterPane Systems. It is a
736 16 round block cipher supporting key sizes of 128, 192, and 256
737 bits.
738
739 See also:
740 <http://www.schneier.com/twofish.html>
741
742config CRYPTO_TWOFISH_X86_64
743 tristate "Twofish cipher algorithm (x86_64)"
744 depends on (X86 || UML_X86) && 64BIT
745 select CRYPTO_ALGAPI
746 select CRYPTO_TWOFISH_COMMON
747 help
748 Twofish cipher algorithm (x86_64).
749
750 Twofish was submitted as an AES (Advanced Encryption Standard)
751 candidate cipher by researchers at CounterPane Systems. It is a
752 16 round block cipher supporting key sizes of 128, 192, and 256
753 bits.
754
755 See also:
756 <http://www.schneier.com/twofish.html>
757
758comment "Compression"
759
Linus Torvalds1da177e2005-04-16 15:20:36 -0700760config CRYPTO_DEFLATE
761 tristate "Deflate compression algorithm"
Herbert Xucce9e062006-08-21 21:08:13 +1000762 select CRYPTO_ALGAPI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700763 select ZLIB_INFLATE
764 select ZLIB_DEFLATE
765 help
766 This is the Deflate algorithm (RFC1951), specified for use in
767 IPSec with the IPCOMP protocol (RFC3173, RFC2394).
Sebastian Siewior584fffc2008-04-05 21:04:48 +0800768
Linus Torvalds1da177e2005-04-16 15:20:36 -0700769 You will most probably want this if using IPSec.
770
Geert Uytterhoevenbf68e652009-03-04 15:15:49 +0800771config CRYPTO_ZLIB
772 tristate "Zlib compression algorithm"
773 select CRYPTO_PCOMP
774 select ZLIB_INFLATE
775 select ZLIB_DEFLATE
776 select NLATTR
777 help
778 This is the zlib algorithm.
779
Zoltan Sogor0b77abb2007-12-07 16:53:23 +0800780config CRYPTO_LZO
781 tristate "LZO compression algorithm"
782 select CRYPTO_ALGAPI
783 select LZO_COMPRESS
784 select LZO_DECOMPRESS
785 help
786 This is the LZO algorithm.
787
Neil Horman17f0f4a2008-08-14 22:15:52 +1000788comment "Random Number Generation"
789
790config CRYPTO_ANSI_CPRNG
791 tristate "Pseudo Random Number Generation for Cryptographic modules"
Neil Horman4e4ed832009-08-20 17:54:16 +1000792 default m
Neil Horman17f0f4a2008-08-14 22:15:52 +1000793 select CRYPTO_AES
794 select CRYPTO_RNG
Neil Horman17f0f4a2008-08-14 22:15:52 +1000795 help
796 This option enables the generic pseudo random number generator
797 for cryptographic modules. Uses the Algorithm specified in
Neil Horman4e4ed832009-08-20 17:54:16 +1000798 ANSI X9.31 A.2.4. Not this option must be enabled if CRYPTO_FIPS
799 is selected
Neil Horman17f0f4a2008-08-14 22:15:52 +1000800
Linus Torvalds1da177e2005-04-16 15:20:36 -0700801source "drivers/crypto/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700802
Herbert Xucce9e062006-08-21 21:08:13 +1000803endif # if CRYPTO