YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * xfrm algorithm interface |
| 3 | * |
| 4 | * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the Free |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 8 | * Software Foundation; either version 2 of the License, or (at your option) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | * any later version. |
| 10 | */ |
| 11 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | #include <linux/module.h> |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/pfkeyv2.h> |
| 15 | #include <linux/crypto.h> |
Heiko Carstens | b3b724f | 2007-10-23 09:28:34 +0200 | [diff] [blame] | 16 | #include <linux/scatterlist.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #include <net/xfrm.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #if defined(CONFIG_INET_ESP) || defined(CONFIG_INET_ESP_MODULE) || defined(CONFIG_INET6_ESP) || defined(CONFIG_INET6_ESP_MODULE) |
| 19 | #include <net/esp.h> |
| 20 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | |
| 22 | /* |
| 23 | * Algorithms supported by IPsec. These entries contain properties which |
| 24 | * are used in key negotiation and xfrm processing, and are used to verify |
| 25 | * that instantiated crypto transforms have correct parameters for IPsec |
| 26 | * purposes. |
| 27 | */ |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 28 | static struct xfrm_algo_desc aead_list[] = { |
| 29 | { |
| 30 | .name = "rfc4106(gcm(aes))", |
| 31 | |
| 32 | .uinfo = { |
| 33 | .aead = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 34 | .geniv = "seqniv", |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 35 | .icv_truncbits = 64, |
| 36 | } |
| 37 | }, |
| 38 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 39 | .pfkey_supported = 1, |
| 40 | |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 41 | .desc = { |
| 42 | .sadb_alg_id = SADB_X_EALG_AES_GCM_ICV8, |
| 43 | .sadb_alg_ivlen = 8, |
| 44 | .sadb_alg_minbits = 128, |
| 45 | .sadb_alg_maxbits = 256 |
| 46 | } |
| 47 | }, |
| 48 | { |
| 49 | .name = "rfc4106(gcm(aes))", |
| 50 | |
| 51 | .uinfo = { |
| 52 | .aead = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 53 | .geniv = "seqniv", |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 54 | .icv_truncbits = 96, |
| 55 | } |
| 56 | }, |
| 57 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 58 | .pfkey_supported = 1, |
| 59 | |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 60 | .desc = { |
| 61 | .sadb_alg_id = SADB_X_EALG_AES_GCM_ICV12, |
| 62 | .sadb_alg_ivlen = 8, |
| 63 | .sadb_alg_minbits = 128, |
| 64 | .sadb_alg_maxbits = 256 |
| 65 | } |
| 66 | }, |
| 67 | { |
| 68 | .name = "rfc4106(gcm(aes))", |
| 69 | |
| 70 | .uinfo = { |
| 71 | .aead = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 72 | .geniv = "seqniv", |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 73 | .icv_truncbits = 128, |
| 74 | } |
| 75 | }, |
| 76 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 77 | .pfkey_supported = 1, |
| 78 | |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 79 | .desc = { |
| 80 | .sadb_alg_id = SADB_X_EALG_AES_GCM_ICV16, |
| 81 | .sadb_alg_ivlen = 8, |
| 82 | .sadb_alg_minbits = 128, |
| 83 | .sadb_alg_maxbits = 256 |
| 84 | } |
| 85 | }, |
| 86 | { |
| 87 | .name = "rfc4309(ccm(aes))", |
| 88 | |
| 89 | .uinfo = { |
| 90 | .aead = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 91 | .geniv = "seqniv", |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 92 | .icv_truncbits = 64, |
| 93 | } |
| 94 | }, |
| 95 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 96 | .pfkey_supported = 1, |
| 97 | |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 98 | .desc = { |
| 99 | .sadb_alg_id = SADB_X_EALG_AES_CCM_ICV8, |
| 100 | .sadb_alg_ivlen = 8, |
| 101 | .sadb_alg_minbits = 128, |
| 102 | .sadb_alg_maxbits = 256 |
| 103 | } |
| 104 | }, |
| 105 | { |
| 106 | .name = "rfc4309(ccm(aes))", |
| 107 | |
| 108 | .uinfo = { |
| 109 | .aead = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 110 | .geniv = "seqniv", |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 111 | .icv_truncbits = 96, |
| 112 | } |
| 113 | }, |
| 114 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 115 | .pfkey_supported = 1, |
| 116 | |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 117 | .desc = { |
| 118 | .sadb_alg_id = SADB_X_EALG_AES_CCM_ICV12, |
| 119 | .sadb_alg_ivlen = 8, |
| 120 | .sadb_alg_minbits = 128, |
| 121 | .sadb_alg_maxbits = 256 |
| 122 | } |
| 123 | }, |
| 124 | { |
| 125 | .name = "rfc4309(ccm(aes))", |
| 126 | |
| 127 | .uinfo = { |
| 128 | .aead = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 129 | .geniv = "seqniv", |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 130 | .icv_truncbits = 128, |
| 131 | } |
| 132 | }, |
| 133 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 134 | .pfkey_supported = 1, |
| 135 | |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 136 | .desc = { |
| 137 | .sadb_alg_id = SADB_X_EALG_AES_CCM_ICV16, |
| 138 | .sadb_alg_ivlen = 8, |
| 139 | .sadb_alg_minbits = 128, |
| 140 | .sadb_alg_maxbits = 256 |
| 141 | } |
| 142 | }, |
Tobias Brunner | 73c89c1 | 2010-01-17 21:52:11 +1100 | [diff] [blame] | 143 | { |
| 144 | .name = "rfc4543(gcm(aes))", |
| 145 | |
| 146 | .uinfo = { |
| 147 | .aead = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 148 | .geniv = "seqiv", |
Tobias Brunner | 73c89c1 | 2010-01-17 21:52:11 +1100 | [diff] [blame] | 149 | .icv_truncbits = 128, |
| 150 | } |
| 151 | }, |
| 152 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 153 | .pfkey_supported = 1, |
| 154 | |
Tobias Brunner | 73c89c1 | 2010-01-17 21:52:11 +1100 | [diff] [blame] | 155 | .desc = { |
| 156 | .sadb_alg_id = SADB_X_EALG_NULL_AES_GMAC, |
| 157 | .sadb_alg_ivlen = 8, |
| 158 | .sadb_alg_minbits = 128, |
| 159 | .sadb_alg_maxbits = 256 |
| 160 | } |
| 161 | }, |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 162 | }; |
| 163 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | static struct xfrm_algo_desc aalg_list[] = { |
| 165 | { |
Herbert Xu | 01a2202 | 2008-04-27 00:59:59 -0700 | [diff] [blame] | 166 | .name = "digest_null", |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 167 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | .uinfo = { |
| 169 | .auth = { |
| 170 | .icv_truncbits = 0, |
| 171 | .icv_fullbits = 0, |
| 172 | } |
| 173 | }, |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 174 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 175 | .pfkey_supported = 1, |
| 176 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | .desc = { |
| 178 | .sadb_alg_id = SADB_X_AALG_NULL, |
| 179 | .sadb_alg_ivlen = 0, |
| 180 | .sadb_alg_minbits = 0, |
| 181 | .sadb_alg_maxbits = 0 |
| 182 | } |
| 183 | }, |
| 184 | { |
Herbert Xu | 07d4ee5 | 2006-08-20 14:24:50 +1000 | [diff] [blame] | 185 | .name = "hmac(md5)", |
| 186 | .compat = "md5", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | |
| 188 | .uinfo = { |
| 189 | .auth = { |
| 190 | .icv_truncbits = 96, |
| 191 | .icv_fullbits = 128, |
| 192 | } |
| 193 | }, |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 194 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 195 | .pfkey_supported = 1, |
| 196 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | .desc = { |
| 198 | .sadb_alg_id = SADB_AALG_MD5HMAC, |
| 199 | .sadb_alg_ivlen = 0, |
| 200 | .sadb_alg_minbits = 128, |
| 201 | .sadb_alg_maxbits = 128 |
| 202 | } |
| 203 | }, |
| 204 | { |
Herbert Xu | 07d4ee5 | 2006-08-20 14:24:50 +1000 | [diff] [blame] | 205 | .name = "hmac(sha1)", |
| 206 | .compat = "sha1", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | |
| 208 | .uinfo = { |
| 209 | .auth = { |
| 210 | .icv_truncbits = 96, |
| 211 | .icv_fullbits = 160, |
| 212 | } |
| 213 | }, |
| 214 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 215 | .pfkey_supported = 1, |
| 216 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | .desc = { |
| 218 | .sadb_alg_id = SADB_AALG_SHA1HMAC, |
| 219 | .sadb_alg_ivlen = 0, |
| 220 | .sadb_alg_minbits = 160, |
| 221 | .sadb_alg_maxbits = 160 |
| 222 | } |
| 223 | }, |
| 224 | { |
Herbert Xu | 07d4ee5 | 2006-08-20 14:24:50 +1000 | [diff] [blame] | 225 | .name = "hmac(sha256)", |
| 226 | .compat = "sha256", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | |
| 228 | .uinfo = { |
| 229 | .auth = { |
| 230 | .icv_truncbits = 96, |
| 231 | .icv_fullbits = 256, |
| 232 | } |
| 233 | }, |
| 234 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 235 | .pfkey_supported = 1, |
| 236 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | .desc = { |
| 238 | .sadb_alg_id = SADB_X_AALG_SHA2_256HMAC, |
| 239 | .sadb_alg_ivlen = 0, |
| 240 | .sadb_alg_minbits = 256, |
| 241 | .sadb_alg_maxbits = 256 |
| 242 | } |
| 243 | }, |
| 244 | { |
Martin Willi | bc74b0c | 2009-11-25 00:58:39 +0000 | [diff] [blame] | 245 | .name = "hmac(sha384)", |
| 246 | |
| 247 | .uinfo = { |
| 248 | .auth = { |
| 249 | .icv_truncbits = 192, |
| 250 | .icv_fullbits = 384, |
| 251 | } |
| 252 | }, |
| 253 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 254 | .pfkey_supported = 1, |
| 255 | |
Martin Willi | bc74b0c | 2009-11-25 00:58:39 +0000 | [diff] [blame] | 256 | .desc = { |
| 257 | .sadb_alg_id = SADB_X_AALG_SHA2_384HMAC, |
| 258 | .sadb_alg_ivlen = 0, |
| 259 | .sadb_alg_minbits = 384, |
| 260 | .sadb_alg_maxbits = 384 |
| 261 | } |
| 262 | }, |
| 263 | { |
| 264 | .name = "hmac(sha512)", |
| 265 | |
| 266 | .uinfo = { |
| 267 | .auth = { |
| 268 | .icv_truncbits = 256, |
| 269 | .icv_fullbits = 512, |
| 270 | } |
| 271 | }, |
| 272 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 273 | .pfkey_supported = 1, |
| 274 | |
Martin Willi | bc74b0c | 2009-11-25 00:58:39 +0000 | [diff] [blame] | 275 | .desc = { |
| 276 | .sadb_alg_id = SADB_X_AALG_SHA2_512HMAC, |
| 277 | .sadb_alg_ivlen = 0, |
| 278 | .sadb_alg_minbits = 512, |
| 279 | .sadb_alg_maxbits = 512 |
| 280 | } |
| 281 | }, |
| 282 | { |
Adrian-Ken Rueegsegger | a13366c | 2008-06-04 12:04:55 -0700 | [diff] [blame] | 283 | .name = "hmac(rmd160)", |
| 284 | .compat = "rmd160", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | |
| 286 | .uinfo = { |
| 287 | .auth = { |
| 288 | .icv_truncbits = 96, |
| 289 | .icv_fullbits = 160, |
| 290 | } |
| 291 | }, |
| 292 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 293 | .pfkey_supported = 1, |
| 294 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | .desc = { |
| 296 | .sadb_alg_id = SADB_X_AALG_RIPEMD160HMAC, |
| 297 | .sadb_alg_ivlen = 0, |
| 298 | .sadb_alg_minbits = 160, |
| 299 | .sadb_alg_maxbits = 160 |
| 300 | } |
| 301 | }, |
Kazunori MIYAZAWA | 7cf4c1a | 2006-10-28 13:21:22 +1000 | [diff] [blame] | 302 | { |
| 303 | .name = "xcbc(aes)", |
| 304 | |
| 305 | .uinfo = { |
| 306 | .auth = { |
| 307 | .icv_truncbits = 96, |
| 308 | .icv_fullbits = 128, |
| 309 | } |
| 310 | }, |
| 311 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 312 | .pfkey_supported = 1, |
| 313 | |
Kazunori MIYAZAWA | 7cf4c1a | 2006-10-28 13:21:22 +1000 | [diff] [blame] | 314 | .desc = { |
| 315 | .sadb_alg_id = SADB_X_AALG_AES_XCBC_MAC, |
| 316 | .sadb_alg_ivlen = 0, |
| 317 | .sadb_alg_minbits = 128, |
| 318 | .sadb_alg_maxbits = 128 |
| 319 | } |
| 320 | }, |
Jussi Kivilinna | d2049d8 | 2013-04-08 10:48:49 +0300 | [diff] [blame] | 321 | { |
| 322 | /* rfc4494 */ |
| 323 | .name = "cmac(aes)", |
| 324 | |
| 325 | .uinfo = { |
| 326 | .auth = { |
| 327 | .icv_truncbits = 96, |
| 328 | .icv_fullbits = 128, |
| 329 | } |
| 330 | }, |
| 331 | |
| 332 | .pfkey_supported = 0, |
| 333 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | }; |
| 335 | |
| 336 | static struct xfrm_algo_desc ealg_list[] = { |
| 337 | { |
Herbert Xu | 6b7326c | 2006-07-30 15:41:01 +1000 | [diff] [blame] | 338 | .name = "ecb(cipher_null)", |
| 339 | .compat = "cipher_null", |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 340 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | .uinfo = { |
| 342 | .encr = { |
| 343 | .blockbits = 8, |
| 344 | .defkeybits = 0, |
| 345 | } |
| 346 | }, |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 347 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 348 | .pfkey_supported = 1, |
| 349 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | .desc = { |
| 351 | .sadb_alg_id = SADB_EALG_NULL, |
| 352 | .sadb_alg_ivlen = 0, |
| 353 | .sadb_alg_minbits = 0, |
| 354 | .sadb_alg_maxbits = 0 |
| 355 | } |
| 356 | }, |
| 357 | { |
Herbert Xu | 6b7326c | 2006-07-30 15:41:01 +1000 | [diff] [blame] | 358 | .name = "cbc(des)", |
| 359 | .compat = "des", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | |
| 361 | .uinfo = { |
| 362 | .encr = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 363 | .geniv = "echainiv", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | .blockbits = 64, |
| 365 | .defkeybits = 64, |
| 366 | } |
| 367 | }, |
| 368 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 369 | .pfkey_supported = 1, |
| 370 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | .desc = { |
| 372 | .sadb_alg_id = SADB_EALG_DESCBC, |
| 373 | .sadb_alg_ivlen = 8, |
| 374 | .sadb_alg_minbits = 64, |
| 375 | .sadb_alg_maxbits = 64 |
| 376 | } |
| 377 | }, |
| 378 | { |
Herbert Xu | 6b7326c | 2006-07-30 15:41:01 +1000 | [diff] [blame] | 379 | .name = "cbc(des3_ede)", |
| 380 | .compat = "des3_ede", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | |
| 382 | .uinfo = { |
| 383 | .encr = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 384 | .geniv = "echainiv", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | .blockbits = 64, |
| 386 | .defkeybits = 192, |
| 387 | } |
| 388 | }, |
| 389 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 390 | .pfkey_supported = 1, |
| 391 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | .desc = { |
| 393 | .sadb_alg_id = SADB_EALG_3DESCBC, |
| 394 | .sadb_alg_ivlen = 8, |
| 395 | .sadb_alg_minbits = 192, |
| 396 | .sadb_alg_maxbits = 192 |
| 397 | } |
| 398 | }, |
| 399 | { |
Herbert Xu | 245acb8 | 2009-06-24 03:55:41 -0700 | [diff] [blame] | 400 | .name = "cbc(cast5)", |
| 401 | .compat = "cast5", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | |
| 403 | .uinfo = { |
| 404 | .encr = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 405 | .geniv = "echainiv", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | .blockbits = 64, |
| 407 | .defkeybits = 128, |
| 408 | } |
| 409 | }, |
| 410 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 411 | .pfkey_supported = 1, |
| 412 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | .desc = { |
| 414 | .sadb_alg_id = SADB_X_EALG_CASTCBC, |
| 415 | .sadb_alg_ivlen = 8, |
| 416 | .sadb_alg_minbits = 40, |
| 417 | .sadb_alg_maxbits = 128 |
| 418 | } |
| 419 | }, |
| 420 | { |
Herbert Xu | 6b7326c | 2006-07-30 15:41:01 +1000 | [diff] [blame] | 421 | .name = "cbc(blowfish)", |
| 422 | .compat = "blowfish", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | |
| 424 | .uinfo = { |
| 425 | .encr = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 426 | .geniv = "echainiv", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | .blockbits = 64, |
| 428 | .defkeybits = 128, |
| 429 | } |
| 430 | }, |
| 431 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 432 | .pfkey_supported = 1, |
| 433 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | .desc = { |
| 435 | .sadb_alg_id = SADB_X_EALG_BLOWFISHCBC, |
| 436 | .sadb_alg_ivlen = 8, |
| 437 | .sadb_alg_minbits = 40, |
| 438 | .sadb_alg_maxbits = 448 |
| 439 | } |
| 440 | }, |
| 441 | { |
Herbert Xu | 6b7326c | 2006-07-30 15:41:01 +1000 | [diff] [blame] | 442 | .name = "cbc(aes)", |
| 443 | .compat = "aes", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | |
| 445 | .uinfo = { |
| 446 | .encr = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 447 | .geniv = "echainiv", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | .blockbits = 128, |
| 449 | .defkeybits = 128, |
| 450 | } |
| 451 | }, |
| 452 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 453 | .pfkey_supported = 1, |
| 454 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | .desc = { |
| 456 | .sadb_alg_id = SADB_X_EALG_AESCBC, |
| 457 | .sadb_alg_ivlen = 8, |
| 458 | .sadb_alg_minbits = 128, |
| 459 | .sadb_alg_maxbits = 256 |
| 460 | } |
| 461 | }, |
| 462 | { |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 463 | .name = "cbc(serpent)", |
| 464 | .compat = "serpent", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 466 | .uinfo = { |
| 467 | .encr = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 468 | .geniv = "echainiv", |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 469 | .blockbits = 128, |
| 470 | .defkeybits = 128, |
| 471 | } |
| 472 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 474 | .pfkey_supported = 1, |
| 475 | |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 476 | .desc = { |
| 477 | .sadb_alg_id = SADB_X_EALG_SERPENTCBC, |
| 478 | .sadb_alg_ivlen = 8, |
| 479 | .sadb_alg_minbits = 128, |
| 480 | .sadb_alg_maxbits = 256, |
| 481 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | }, |
| 483 | { |
Noriaki TAKAMIYA | 6a0dc8d | 2006-10-22 15:05:57 +1000 | [diff] [blame] | 484 | .name = "cbc(camellia)", |
Li Yewang | 138f3c8 | 2009-12-01 15:35:05 -0800 | [diff] [blame] | 485 | .compat = "camellia", |
Noriaki TAKAMIYA | 6a0dc8d | 2006-10-22 15:05:57 +1000 | [diff] [blame] | 486 | |
| 487 | .uinfo = { |
| 488 | .encr = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 489 | .geniv = "echainiv", |
Noriaki TAKAMIYA | 6a0dc8d | 2006-10-22 15:05:57 +1000 | [diff] [blame] | 490 | .blockbits = 128, |
| 491 | .defkeybits = 128, |
| 492 | } |
| 493 | }, |
| 494 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 495 | .pfkey_supported = 1, |
| 496 | |
Noriaki TAKAMIYA | 6a0dc8d | 2006-10-22 15:05:57 +1000 | [diff] [blame] | 497 | .desc = { |
| 498 | .sadb_alg_id = SADB_X_EALG_CAMELLIACBC, |
| 499 | .sadb_alg_ivlen = 8, |
| 500 | .sadb_alg_minbits = 128, |
| 501 | .sadb_alg_maxbits = 256 |
| 502 | } |
| 503 | }, |
| 504 | { |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 505 | .name = "cbc(twofish)", |
| 506 | .compat = "twofish", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 508 | .uinfo = { |
| 509 | .encr = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 510 | .geniv = "echainiv", |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 511 | .blockbits = 128, |
| 512 | .defkeybits = 128, |
| 513 | } |
| 514 | }, |
| 515 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 516 | .pfkey_supported = 1, |
| 517 | |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 518 | .desc = { |
| 519 | .sadb_alg_id = SADB_X_EALG_TWOFISHCBC, |
| 520 | .sadb_alg_ivlen = 8, |
| 521 | .sadb_alg_minbits = 128, |
| 522 | .sadb_alg_maxbits = 256 |
| 523 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | }, |
Joy Latten | 405137d | 2008-02-07 23:11:56 -0800 | [diff] [blame] | 525 | { |
| 526 | .name = "rfc3686(ctr(aes))", |
| 527 | |
| 528 | .uinfo = { |
| 529 | .encr = { |
Herbert Xu | 165ecc6 | 2015-05-27 16:03:44 +0800 | [diff] [blame^] | 530 | .geniv = "seqiv", |
Joy Latten | 405137d | 2008-02-07 23:11:56 -0800 | [diff] [blame] | 531 | .blockbits = 128, |
| 532 | .defkeybits = 160, /* 128-bit key + 32-bit nonce */ |
| 533 | } |
| 534 | }, |
| 535 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 536 | .pfkey_supported = 1, |
| 537 | |
Joy Latten | 405137d | 2008-02-07 23:11:56 -0800 | [diff] [blame] | 538 | .desc = { |
| 539 | .sadb_alg_id = SADB_X_EALG_AESCTR, |
| 540 | .sadb_alg_ivlen = 8, |
Tushar Gohad | 4203223 | 2011-07-28 10:36:20 +0000 | [diff] [blame] | 541 | .sadb_alg_minbits = 160, |
| 542 | .sadb_alg_maxbits = 288 |
Joy Latten | 405137d | 2008-02-07 23:11:56 -0800 | [diff] [blame] | 543 | } |
| 544 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | }; |
| 546 | |
| 547 | static struct xfrm_algo_desc calg_list[] = { |
| 548 | { |
| 549 | .name = "deflate", |
| 550 | .uinfo = { |
| 551 | .comp = { |
| 552 | .threshold = 90, |
| 553 | } |
| 554 | }, |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 555 | .pfkey_supported = 1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | .desc = { .sadb_alg_id = SADB_X_CALG_DEFLATE } |
| 557 | }, |
| 558 | { |
| 559 | .name = "lzs", |
| 560 | .uinfo = { |
| 561 | .comp = { |
| 562 | .threshold = 90, |
| 563 | } |
| 564 | }, |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 565 | .pfkey_supported = 1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | .desc = { .sadb_alg_id = SADB_X_CALG_LZS } |
| 567 | }, |
| 568 | { |
| 569 | .name = "lzjh", |
| 570 | .uinfo = { |
| 571 | .comp = { |
| 572 | .threshold = 50, |
| 573 | } |
| 574 | }, |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 575 | .pfkey_supported = 1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | .desc = { .sadb_alg_id = SADB_X_CALG_LZJH } |
| 577 | }, |
| 578 | }; |
| 579 | |
| 580 | static inline int aalg_entries(void) |
| 581 | { |
| 582 | return ARRAY_SIZE(aalg_list); |
| 583 | } |
| 584 | |
| 585 | static inline int ealg_entries(void) |
| 586 | { |
| 587 | return ARRAY_SIZE(ealg_list); |
| 588 | } |
| 589 | |
| 590 | static inline int calg_entries(void) |
| 591 | { |
| 592 | return ARRAY_SIZE(calg_list); |
| 593 | } |
| 594 | |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 595 | struct xfrm_algo_list { |
| 596 | struct xfrm_algo_desc *algs; |
| 597 | int entries; |
| 598 | u32 type; |
| 599 | u32 mask; |
| 600 | }; |
| 601 | |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 602 | static const struct xfrm_algo_list xfrm_aead_list = { |
| 603 | .algs = aead_list, |
| 604 | .entries = ARRAY_SIZE(aead_list), |
| 605 | .type = CRYPTO_ALG_TYPE_AEAD, |
| 606 | .mask = CRYPTO_ALG_TYPE_MASK, |
| 607 | }; |
| 608 | |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 609 | static const struct xfrm_algo_list xfrm_aalg_list = { |
| 610 | .algs = aalg_list, |
| 611 | .entries = ARRAY_SIZE(aalg_list), |
| 612 | .type = CRYPTO_ALG_TYPE_HASH, |
Herbert Xu | 6fbf2cb | 2008-01-28 19:35:49 -0800 | [diff] [blame] | 613 | .mask = CRYPTO_ALG_TYPE_HASH_MASK, |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 614 | }; |
| 615 | |
| 616 | static const struct xfrm_algo_list xfrm_ealg_list = { |
| 617 | .algs = ealg_list, |
| 618 | .entries = ARRAY_SIZE(ealg_list), |
| 619 | .type = CRYPTO_ALG_TYPE_BLKCIPHER, |
Herbert Xu | 6fbf2cb | 2008-01-28 19:35:49 -0800 | [diff] [blame] | 620 | .mask = CRYPTO_ALG_TYPE_BLKCIPHER_MASK, |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 621 | }; |
| 622 | |
| 623 | static const struct xfrm_algo_list xfrm_calg_list = { |
| 624 | .algs = calg_list, |
| 625 | .entries = ARRAY_SIZE(calg_list), |
| 626 | .type = CRYPTO_ALG_TYPE_COMPRESS, |
Herbert Xu | 6fbf2cb | 2008-01-28 19:35:49 -0800 | [diff] [blame] | 627 | .mask = CRYPTO_ALG_TYPE_MASK, |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 628 | }; |
| 629 | |
| 630 | static struct xfrm_algo_desc *xfrm_find_algo( |
| 631 | const struct xfrm_algo_list *algo_list, |
| 632 | int match(const struct xfrm_algo_desc *entry, const void *data), |
| 633 | const void *data, int probe) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | { |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 635 | struct xfrm_algo_desc *list = algo_list->algs; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | int i, status; |
| 637 | |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 638 | for (i = 0; i < algo_list->entries; i++) { |
| 639 | if (!match(list + i, data)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | continue; |
| 641 | |
| 642 | if (list[i].available) |
| 643 | return &list[i]; |
| 644 | |
| 645 | if (!probe) |
| 646 | break; |
| 647 | |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 648 | status = crypto_has_alg(list[i].name, algo_list->type, |
| 649 | algo_list->mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 650 | if (!status) |
| 651 | break; |
| 652 | |
| 653 | list[i].available = status; |
| 654 | return &list[i]; |
| 655 | } |
| 656 | return NULL; |
| 657 | } |
| 658 | |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 659 | static int xfrm_alg_id_match(const struct xfrm_algo_desc *entry, |
| 660 | const void *data) |
| 661 | { |
Herbert Xu | 26b8e51 | 2007-05-22 16:12:26 -0700 | [diff] [blame] | 662 | return entry->desc.sadb_alg_id == (unsigned long)data; |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | struct xfrm_algo_desc *xfrm_aalg_get_byid(int alg_id) |
| 666 | { |
| 667 | return xfrm_find_algo(&xfrm_aalg_list, xfrm_alg_id_match, |
Herbert Xu | 26b8e51 | 2007-05-22 16:12:26 -0700 | [diff] [blame] | 668 | (void *)(unsigned long)alg_id, 1); |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 669 | } |
| 670 | EXPORT_SYMBOL_GPL(xfrm_aalg_get_byid); |
| 671 | |
| 672 | struct xfrm_algo_desc *xfrm_ealg_get_byid(int alg_id) |
| 673 | { |
| 674 | return xfrm_find_algo(&xfrm_ealg_list, xfrm_alg_id_match, |
Herbert Xu | 26b8e51 | 2007-05-22 16:12:26 -0700 | [diff] [blame] | 675 | (void *)(unsigned long)alg_id, 1); |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 676 | } |
| 677 | EXPORT_SYMBOL_GPL(xfrm_ealg_get_byid); |
| 678 | |
| 679 | struct xfrm_algo_desc *xfrm_calg_get_byid(int alg_id) |
| 680 | { |
| 681 | return xfrm_find_algo(&xfrm_calg_list, xfrm_alg_id_match, |
Herbert Xu | 26b8e51 | 2007-05-22 16:12:26 -0700 | [diff] [blame] | 682 | (void *)(unsigned long)alg_id, 1); |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 683 | } |
| 684 | EXPORT_SYMBOL_GPL(xfrm_calg_get_byid); |
| 685 | |
| 686 | static int xfrm_alg_name_match(const struct xfrm_algo_desc *entry, |
| 687 | const void *data) |
| 688 | { |
| 689 | const char *name = data; |
| 690 | |
| 691 | return name && (!strcmp(name, entry->name) || |
| 692 | (entry->compat && !strcmp(name, entry->compat))); |
| 693 | } |
| 694 | |
David S. Miller | 6f2f19e | 2011-02-27 23:04:45 -0800 | [diff] [blame] | 695 | struct xfrm_algo_desc *xfrm_aalg_get_byname(const char *name, int probe) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 696 | { |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 697 | return xfrm_find_algo(&xfrm_aalg_list, xfrm_alg_name_match, name, |
| 698 | probe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | } |
| 700 | EXPORT_SYMBOL_GPL(xfrm_aalg_get_byname); |
| 701 | |
David S. Miller | 6f2f19e | 2011-02-27 23:04:45 -0800 | [diff] [blame] | 702 | struct xfrm_algo_desc *xfrm_ealg_get_byname(const char *name, int probe) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 703 | { |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 704 | return xfrm_find_algo(&xfrm_ealg_list, xfrm_alg_name_match, name, |
| 705 | probe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | } |
| 707 | EXPORT_SYMBOL_GPL(xfrm_ealg_get_byname); |
| 708 | |
David S. Miller | 6f2f19e | 2011-02-27 23:04:45 -0800 | [diff] [blame] | 709 | struct xfrm_algo_desc *xfrm_calg_get_byname(const char *name, int probe) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | { |
Herbert Xu | c92b3a2 | 2007-05-19 14:21:18 -0700 | [diff] [blame] | 711 | return xfrm_find_algo(&xfrm_calg_list, xfrm_alg_name_match, name, |
| 712 | probe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 713 | } |
| 714 | EXPORT_SYMBOL_GPL(xfrm_calg_get_byname); |
| 715 | |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 716 | struct xfrm_aead_name { |
| 717 | const char *name; |
| 718 | int icvbits; |
| 719 | }; |
| 720 | |
| 721 | static int xfrm_aead_name_match(const struct xfrm_algo_desc *entry, |
| 722 | const void *data) |
| 723 | { |
| 724 | const struct xfrm_aead_name *aead = data; |
| 725 | const char *name = aead->name; |
| 726 | |
| 727 | return aead->icvbits == entry->uinfo.aead.icv_truncbits && name && |
| 728 | !strcmp(name, entry->name); |
| 729 | } |
| 730 | |
David S. Miller | 6f2f19e | 2011-02-27 23:04:45 -0800 | [diff] [blame] | 731 | struct xfrm_algo_desc *xfrm_aead_get_byname(const char *name, int icv_len, int probe) |
Herbert Xu | 1a6509d | 2008-01-28 19:37:29 -0800 | [diff] [blame] | 732 | { |
| 733 | struct xfrm_aead_name data = { |
| 734 | .name = name, |
| 735 | .icvbits = icv_len, |
| 736 | }; |
| 737 | |
| 738 | return xfrm_find_algo(&xfrm_aead_list, xfrm_aead_name_match, &data, |
| 739 | probe); |
| 740 | } |
| 741 | EXPORT_SYMBOL_GPL(xfrm_aead_get_byname); |
| 742 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 743 | struct xfrm_algo_desc *xfrm_aalg_get_byidx(unsigned int idx) |
| 744 | { |
| 745 | if (idx >= aalg_entries()) |
| 746 | return NULL; |
| 747 | |
| 748 | return &aalg_list[idx]; |
| 749 | } |
| 750 | EXPORT_SYMBOL_GPL(xfrm_aalg_get_byidx); |
| 751 | |
| 752 | struct xfrm_algo_desc *xfrm_ealg_get_byidx(unsigned int idx) |
| 753 | { |
| 754 | if (idx >= ealg_entries()) |
| 755 | return NULL; |
| 756 | |
| 757 | return &ealg_list[idx]; |
| 758 | } |
| 759 | EXPORT_SYMBOL_GPL(xfrm_ealg_get_byidx); |
| 760 | |
| 761 | /* |
| 762 | * Probe for the availability of crypto algorithms, and set the available |
| 763 | * flag for any algorithms found on the system. This is typically called by |
| 764 | * pfkey during userspace SA add, update or register. |
| 765 | */ |
| 766 | void xfrm_probe_algs(void) |
| 767 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 768 | int i, status; |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 769 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 770 | BUG_ON(in_softirq()); |
| 771 | |
| 772 | for (i = 0; i < aalg_entries(); i++) { |
Herbert Xu | e4d5b79 | 2006-08-26 18:12:40 +1000 | [diff] [blame] | 773 | status = crypto_has_hash(aalg_list[i].name, 0, |
| 774 | CRYPTO_ALG_ASYNC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 775 | if (aalg_list[i].available != status) |
| 776 | aalg_list[i].available = status; |
| 777 | } |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 778 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | for (i = 0; i < ealg_entries(); i++) { |
Jussi Kivilinna | 71331da | 2012-12-28 12:04:53 +0200 | [diff] [blame] | 780 | status = crypto_has_ablkcipher(ealg_list[i].name, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | if (ealg_list[i].available != status) |
| 782 | ealg_list[i].available = status; |
| 783 | } |
YOSHIFUJI Hideaki | a716c11 | 2007-02-09 23:25:29 +0900 | [diff] [blame] | 784 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | for (i = 0; i < calg_entries(); i++) { |
Herbert Xu | e4d5b79 | 2006-08-26 18:12:40 +1000 | [diff] [blame] | 786 | status = crypto_has_comp(calg_list[i].name, 0, |
| 787 | CRYPTO_ALG_ASYNC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 788 | if (calg_list[i].available != status) |
| 789 | calg_list[i].available = status; |
| 790 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 791 | } |
| 792 | EXPORT_SYMBOL_GPL(xfrm_probe_algs); |
| 793 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 794 | int xfrm_count_pfkey_auth_supported(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 795 | { |
| 796 | int i, n; |
| 797 | |
| 798 | for (i = 0, n = 0; i < aalg_entries(); i++) |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 799 | if (aalg_list[i].available && aalg_list[i].pfkey_supported) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | n++; |
| 801 | return n; |
| 802 | } |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 803 | EXPORT_SYMBOL_GPL(xfrm_count_pfkey_auth_supported); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 804 | |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 805 | int xfrm_count_pfkey_enc_supported(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | { |
| 807 | int i, n; |
| 808 | |
| 809 | for (i = 0, n = 0; i < ealg_entries(); i++) |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 810 | if (ealg_list[i].available && ealg_list[i].pfkey_supported) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | n++; |
| 812 | return n; |
| 813 | } |
Jussi Kivilinna | 7e50f84 | 2013-01-31 12:40:38 +0200 | [diff] [blame] | 814 | EXPORT_SYMBOL_GPL(xfrm_count_pfkey_enc_supported); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 815 | |
Jan Beulich | 7e15252 | 2012-05-15 01:57:44 +0000 | [diff] [blame] | 816 | MODULE_LICENSE("GPL"); |