Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Glue Code for x86_64/AVX/AES-NI assembler optimized version of Camellia |
| 3 | * |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 4 | * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/types.h> |
| 15 | #include <linux/crypto.h> |
| 16 | #include <linux/err.h> |
Ard Biesheuvel | 801201a | 2013-09-20 09:55:41 +0200 | [diff] [blame] | 17 | #include <crypto/ablk_helper.h> |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 18 | #include <crypto/algapi.h> |
| 19 | #include <crypto/ctr.h> |
| 20 | #include <crypto/lrw.h> |
| 21 | #include <crypto/xts.h> |
Ingo Molnar | ce4f5f9 | 2015-04-28 09:59:44 +0200 | [diff] [blame] | 22 | #include <asm/fpu/api.h> |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 23 | #include <asm/crypto/camellia.h> |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 24 | #include <asm/crypto/glue_helper.h> |
| 25 | |
| 26 | #define CAMELLIA_AESNI_PARALLEL_BLOCKS 16 |
| 27 | |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 28 | /* 16-way parallel cipher functions (avx/aes-ni) */ |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 29 | asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst, |
| 30 | const u8 *src); |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 31 | EXPORT_SYMBOL_GPL(camellia_ecb_enc_16way); |
| 32 | |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 33 | asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst, |
| 34 | const u8 *src); |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 35 | EXPORT_SYMBOL_GPL(camellia_ecb_dec_16way); |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 36 | |
| 37 | asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst, |
| 38 | const u8 *src); |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 39 | EXPORT_SYMBOL_GPL(camellia_cbc_dec_16way); |
| 40 | |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 41 | asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst, |
| 42 | const u8 *src, le128 *iv); |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 43 | EXPORT_SYMBOL_GPL(camellia_ctr_16way); |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 44 | |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 45 | asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst, |
| 46 | const u8 *src, le128 *iv); |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 47 | EXPORT_SYMBOL_GPL(camellia_xts_enc_16way); |
| 48 | |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 49 | asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst, |
| 50 | const u8 *src, le128 *iv); |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 51 | EXPORT_SYMBOL_GPL(camellia_xts_dec_16way); |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 52 | |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 53 | void camellia_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv) |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 54 | { |
| 55 | glue_xts_crypt_128bit_one(ctx, dst, src, iv, |
| 56 | GLUE_FUNC_CAST(camellia_enc_blk)); |
| 57 | } |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 58 | EXPORT_SYMBOL_GPL(camellia_xts_enc); |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 59 | |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 60 | void camellia_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv) |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 61 | { |
| 62 | glue_xts_crypt_128bit_one(ctx, dst, src, iv, |
| 63 | GLUE_FUNC_CAST(camellia_dec_blk)); |
| 64 | } |
Jussi Kivilinna | f3f935a | 2013-04-13 13:47:00 +0300 | [diff] [blame] | 65 | EXPORT_SYMBOL_GPL(camellia_xts_dec); |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 66 | |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 67 | static const struct common_glue_ctx camellia_enc = { |
| 68 | .num_funcs = 3, |
| 69 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 70 | |
| 71 | .funcs = { { |
| 72 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 73 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_enc_16way) } |
| 74 | }, { |
| 75 | .num_blocks = 2, |
| 76 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk_2way) } |
| 77 | }, { |
| 78 | .num_blocks = 1, |
| 79 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk) } |
| 80 | } } |
| 81 | }; |
| 82 | |
| 83 | static const struct common_glue_ctx camellia_ctr = { |
| 84 | .num_funcs = 3, |
| 85 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 86 | |
| 87 | .funcs = { { |
| 88 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 89 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_ctr_16way) } |
| 90 | }, { |
| 91 | .num_blocks = 2, |
| 92 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr_2way) } |
| 93 | }, { |
| 94 | .num_blocks = 1, |
| 95 | .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr) } |
| 96 | } } |
| 97 | }; |
| 98 | |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 99 | static const struct common_glue_ctx camellia_enc_xts = { |
| 100 | .num_funcs = 2, |
| 101 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 102 | |
| 103 | .funcs = { { |
| 104 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 105 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc_16way) } |
| 106 | }, { |
| 107 | .num_blocks = 1, |
| 108 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc) } |
| 109 | } } |
| 110 | }; |
| 111 | |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 112 | static const struct common_glue_ctx camellia_dec = { |
| 113 | .num_funcs = 3, |
| 114 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 115 | |
| 116 | .funcs = { { |
| 117 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 118 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_dec_16way) } |
| 119 | }, { |
| 120 | .num_blocks = 2, |
| 121 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk_2way) } |
| 122 | }, { |
| 123 | .num_blocks = 1, |
| 124 | .fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk) } |
| 125 | } } |
| 126 | }; |
| 127 | |
| 128 | static const struct common_glue_ctx camellia_dec_cbc = { |
| 129 | .num_funcs = 3, |
| 130 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 131 | |
| 132 | .funcs = { { |
| 133 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 134 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_cbc_dec_16way) } |
| 135 | }, { |
| 136 | .num_blocks = 2, |
| 137 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_decrypt_cbc_2way) } |
| 138 | }, { |
| 139 | .num_blocks = 1, |
| 140 | .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_dec_blk) } |
| 141 | } } |
| 142 | }; |
| 143 | |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 144 | static const struct common_glue_ctx camellia_dec_xts = { |
| 145 | .num_funcs = 2, |
| 146 | .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 147 | |
| 148 | .funcs = { { |
| 149 | .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, |
| 150 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec_16way) } |
| 151 | }, { |
| 152 | .num_blocks = 1, |
| 153 | .fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec) } |
| 154 | } } |
| 155 | }; |
| 156 | |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 157 | static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 158 | struct scatterlist *src, unsigned int nbytes) |
| 159 | { |
| 160 | return glue_ecb_crypt_128bit(&camellia_enc, desc, dst, src, nbytes); |
| 161 | } |
| 162 | |
| 163 | static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 164 | struct scatterlist *src, unsigned int nbytes) |
| 165 | { |
| 166 | return glue_ecb_crypt_128bit(&camellia_dec, desc, dst, src, nbytes); |
| 167 | } |
| 168 | |
| 169 | static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 170 | struct scatterlist *src, unsigned int nbytes) |
| 171 | { |
| 172 | return glue_cbc_encrypt_128bit(GLUE_FUNC_CAST(camellia_enc_blk), desc, |
| 173 | dst, src, nbytes); |
| 174 | } |
| 175 | |
| 176 | static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 177 | struct scatterlist *src, unsigned int nbytes) |
| 178 | { |
| 179 | return glue_cbc_decrypt_128bit(&camellia_dec_cbc, desc, dst, src, |
| 180 | nbytes); |
| 181 | } |
| 182 | |
| 183 | static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 184 | struct scatterlist *src, unsigned int nbytes) |
| 185 | { |
| 186 | return glue_ctr_crypt_128bit(&camellia_ctr, desc, dst, src, nbytes); |
| 187 | } |
| 188 | |
| 189 | static inline bool camellia_fpu_begin(bool fpu_enabled, unsigned int nbytes) |
| 190 | { |
| 191 | return glue_fpu_begin(CAMELLIA_BLOCK_SIZE, |
| 192 | CAMELLIA_AESNI_PARALLEL_BLOCKS, NULL, fpu_enabled, |
| 193 | nbytes); |
| 194 | } |
| 195 | |
| 196 | static inline void camellia_fpu_end(bool fpu_enabled) |
| 197 | { |
| 198 | glue_fpu_end(fpu_enabled); |
| 199 | } |
| 200 | |
| 201 | static int camellia_setkey(struct crypto_tfm *tfm, const u8 *in_key, |
| 202 | unsigned int key_len) |
| 203 | { |
| 204 | return __camellia_setkey(crypto_tfm_ctx(tfm), in_key, key_len, |
| 205 | &tfm->crt_flags); |
| 206 | } |
| 207 | |
| 208 | struct crypt_priv { |
| 209 | struct camellia_ctx *ctx; |
| 210 | bool fpu_enabled; |
| 211 | }; |
| 212 | |
| 213 | static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes) |
| 214 | { |
| 215 | const unsigned int bsize = CAMELLIA_BLOCK_SIZE; |
| 216 | struct crypt_priv *ctx = priv; |
| 217 | int i; |
| 218 | |
| 219 | ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes); |
| 220 | |
| 221 | if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) { |
| 222 | camellia_ecb_enc_16way(ctx->ctx, srcdst, srcdst); |
| 223 | srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; |
| 224 | nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; |
| 225 | } |
| 226 | |
| 227 | while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) { |
| 228 | camellia_enc_blk_2way(ctx->ctx, srcdst, srcdst); |
| 229 | srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS; |
| 230 | nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS; |
| 231 | } |
| 232 | |
| 233 | for (i = 0; i < nbytes / bsize; i++, srcdst += bsize) |
| 234 | camellia_enc_blk(ctx->ctx, srcdst, srcdst); |
| 235 | } |
| 236 | |
| 237 | static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes) |
| 238 | { |
| 239 | const unsigned int bsize = CAMELLIA_BLOCK_SIZE; |
| 240 | struct crypt_priv *ctx = priv; |
| 241 | int i; |
| 242 | |
| 243 | ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes); |
| 244 | |
| 245 | if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) { |
| 246 | camellia_ecb_dec_16way(ctx->ctx, srcdst, srcdst); |
| 247 | srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; |
| 248 | nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS; |
| 249 | } |
| 250 | |
| 251 | while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) { |
| 252 | camellia_dec_blk_2way(ctx->ctx, srcdst, srcdst); |
| 253 | srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS; |
| 254 | nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS; |
| 255 | } |
| 256 | |
| 257 | for (i = 0; i < nbytes / bsize; i++, srcdst += bsize) |
| 258 | camellia_dec_blk(ctx->ctx, srcdst, srcdst); |
| 259 | } |
| 260 | |
| 261 | static int lrw_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 262 | struct scatterlist *src, unsigned int nbytes) |
| 263 | { |
| 264 | struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
| 265 | be128 buf[CAMELLIA_AESNI_PARALLEL_BLOCKS]; |
| 266 | struct crypt_priv crypt_ctx = { |
| 267 | .ctx = &ctx->camellia_ctx, |
| 268 | .fpu_enabled = false, |
| 269 | }; |
| 270 | struct lrw_crypt_req req = { |
| 271 | .tbuf = buf, |
| 272 | .tbuflen = sizeof(buf), |
| 273 | |
| 274 | .table_ctx = &ctx->lrw_table, |
| 275 | .crypt_ctx = &crypt_ctx, |
| 276 | .crypt_fn = encrypt_callback, |
| 277 | }; |
| 278 | int ret; |
| 279 | |
| 280 | desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; |
| 281 | ret = lrw_crypt(desc, dst, src, nbytes, &req); |
| 282 | camellia_fpu_end(crypt_ctx.fpu_enabled); |
| 283 | |
| 284 | return ret; |
| 285 | } |
| 286 | |
| 287 | static int lrw_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 288 | struct scatterlist *src, unsigned int nbytes) |
| 289 | { |
| 290 | struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
| 291 | be128 buf[CAMELLIA_AESNI_PARALLEL_BLOCKS]; |
| 292 | struct crypt_priv crypt_ctx = { |
| 293 | .ctx = &ctx->camellia_ctx, |
| 294 | .fpu_enabled = false, |
| 295 | }; |
| 296 | struct lrw_crypt_req req = { |
| 297 | .tbuf = buf, |
| 298 | .tbuflen = sizeof(buf), |
| 299 | |
| 300 | .table_ctx = &ctx->lrw_table, |
| 301 | .crypt_ctx = &crypt_ctx, |
| 302 | .crypt_fn = decrypt_callback, |
| 303 | }; |
| 304 | int ret; |
| 305 | |
| 306 | desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; |
| 307 | ret = lrw_crypt(desc, dst, src, nbytes, &req); |
| 308 | camellia_fpu_end(crypt_ctx.fpu_enabled); |
| 309 | |
| 310 | return ret; |
| 311 | } |
| 312 | |
| 313 | static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 314 | struct scatterlist *src, unsigned int nbytes) |
| 315 | { |
| 316 | struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 317 | |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 318 | return glue_xts_crypt_128bit(&camellia_enc_xts, desc, dst, src, nbytes, |
| 319 | XTS_TWEAK_CAST(camellia_enc_blk), |
| 320 | &ctx->tweak_ctx, &ctx->crypt_ctx); |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 324 | struct scatterlist *src, unsigned int nbytes) |
| 325 | { |
| 326 | struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 327 | |
Jussi Kivilinna | b5c5b07 | 2013-04-08 21:51:11 +0300 | [diff] [blame] | 328 | return glue_xts_crypt_128bit(&camellia_dec_xts, desc, dst, src, nbytes, |
| 329 | XTS_TWEAK_CAST(camellia_enc_blk), |
| 330 | &ctx->tweak_ctx, &ctx->crypt_ctx); |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | static struct crypto_alg cmll_algs[10] = { { |
| 334 | .cra_name = "__ecb-camellia-aesni", |
| 335 | .cra_driver_name = "__driver-ecb-camellia-aesni", |
| 336 | .cra_priority = 0, |
Stephan Mueller | 7d2c31d | 2015-03-30 22:04:49 +0200 | [diff] [blame] | 337 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
| 338 | CRYPTO_ALG_INTERNAL, |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 339 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 340 | .cra_ctxsize = sizeof(struct camellia_ctx), |
| 341 | .cra_alignmask = 0, |
| 342 | .cra_type = &crypto_blkcipher_type, |
| 343 | .cra_module = THIS_MODULE, |
| 344 | .cra_u = { |
| 345 | .blkcipher = { |
| 346 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, |
| 347 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, |
| 348 | .setkey = camellia_setkey, |
| 349 | .encrypt = ecb_encrypt, |
| 350 | .decrypt = ecb_decrypt, |
| 351 | }, |
| 352 | }, |
| 353 | }, { |
| 354 | .cra_name = "__cbc-camellia-aesni", |
| 355 | .cra_driver_name = "__driver-cbc-camellia-aesni", |
| 356 | .cra_priority = 0, |
Stephan Mueller | 7d2c31d | 2015-03-30 22:04:49 +0200 | [diff] [blame] | 357 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
| 358 | CRYPTO_ALG_INTERNAL, |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 359 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 360 | .cra_ctxsize = sizeof(struct camellia_ctx), |
| 361 | .cra_alignmask = 0, |
| 362 | .cra_type = &crypto_blkcipher_type, |
| 363 | .cra_module = THIS_MODULE, |
| 364 | .cra_u = { |
| 365 | .blkcipher = { |
| 366 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, |
| 367 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, |
| 368 | .setkey = camellia_setkey, |
| 369 | .encrypt = cbc_encrypt, |
| 370 | .decrypt = cbc_decrypt, |
| 371 | }, |
| 372 | }, |
| 373 | }, { |
| 374 | .cra_name = "__ctr-camellia-aesni", |
| 375 | .cra_driver_name = "__driver-ctr-camellia-aesni", |
| 376 | .cra_priority = 0, |
Stephan Mueller | 7d2c31d | 2015-03-30 22:04:49 +0200 | [diff] [blame] | 377 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
| 378 | CRYPTO_ALG_INTERNAL, |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 379 | .cra_blocksize = 1, |
| 380 | .cra_ctxsize = sizeof(struct camellia_ctx), |
| 381 | .cra_alignmask = 0, |
| 382 | .cra_type = &crypto_blkcipher_type, |
| 383 | .cra_module = THIS_MODULE, |
| 384 | .cra_u = { |
| 385 | .blkcipher = { |
| 386 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, |
| 387 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, |
| 388 | .ivsize = CAMELLIA_BLOCK_SIZE, |
| 389 | .setkey = camellia_setkey, |
| 390 | .encrypt = ctr_crypt, |
| 391 | .decrypt = ctr_crypt, |
| 392 | }, |
| 393 | }, |
| 394 | }, { |
| 395 | .cra_name = "__lrw-camellia-aesni", |
| 396 | .cra_driver_name = "__driver-lrw-camellia-aesni", |
| 397 | .cra_priority = 0, |
Stephan Mueller | 7d2c31d | 2015-03-30 22:04:49 +0200 | [diff] [blame] | 398 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
| 399 | CRYPTO_ALG_INTERNAL, |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 400 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 401 | .cra_ctxsize = sizeof(struct camellia_lrw_ctx), |
| 402 | .cra_alignmask = 0, |
| 403 | .cra_type = &crypto_blkcipher_type, |
| 404 | .cra_module = THIS_MODULE, |
| 405 | .cra_exit = lrw_camellia_exit_tfm, |
| 406 | .cra_u = { |
| 407 | .blkcipher = { |
| 408 | .min_keysize = CAMELLIA_MIN_KEY_SIZE + |
| 409 | CAMELLIA_BLOCK_SIZE, |
| 410 | .max_keysize = CAMELLIA_MAX_KEY_SIZE + |
| 411 | CAMELLIA_BLOCK_SIZE, |
| 412 | .ivsize = CAMELLIA_BLOCK_SIZE, |
| 413 | .setkey = lrw_camellia_setkey, |
| 414 | .encrypt = lrw_encrypt, |
| 415 | .decrypt = lrw_decrypt, |
| 416 | }, |
| 417 | }, |
| 418 | }, { |
| 419 | .cra_name = "__xts-camellia-aesni", |
| 420 | .cra_driver_name = "__driver-xts-camellia-aesni", |
| 421 | .cra_priority = 0, |
Stephan Mueller | 7d2c31d | 2015-03-30 22:04:49 +0200 | [diff] [blame] | 422 | .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | |
| 423 | CRYPTO_ALG_INTERNAL, |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 424 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 425 | .cra_ctxsize = sizeof(struct camellia_xts_ctx), |
| 426 | .cra_alignmask = 0, |
| 427 | .cra_type = &crypto_blkcipher_type, |
| 428 | .cra_module = THIS_MODULE, |
| 429 | .cra_u = { |
| 430 | .blkcipher = { |
| 431 | .min_keysize = CAMELLIA_MIN_KEY_SIZE * 2, |
| 432 | .max_keysize = CAMELLIA_MAX_KEY_SIZE * 2, |
| 433 | .ivsize = CAMELLIA_BLOCK_SIZE, |
| 434 | .setkey = xts_camellia_setkey, |
| 435 | .encrypt = xts_encrypt, |
| 436 | .decrypt = xts_decrypt, |
| 437 | }, |
| 438 | }, |
| 439 | }, { |
| 440 | .cra_name = "ecb(camellia)", |
| 441 | .cra_driver_name = "ecb-camellia-aesni", |
| 442 | .cra_priority = 400, |
| 443 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, |
| 444 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 445 | .cra_ctxsize = sizeof(struct async_helper_ctx), |
| 446 | .cra_alignmask = 0, |
| 447 | .cra_type = &crypto_ablkcipher_type, |
| 448 | .cra_module = THIS_MODULE, |
| 449 | .cra_init = ablk_init, |
| 450 | .cra_exit = ablk_exit, |
| 451 | .cra_u = { |
| 452 | .ablkcipher = { |
| 453 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, |
| 454 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, |
| 455 | .setkey = ablk_set_key, |
| 456 | .encrypt = ablk_encrypt, |
| 457 | .decrypt = ablk_decrypt, |
| 458 | }, |
| 459 | }, |
| 460 | }, { |
| 461 | .cra_name = "cbc(camellia)", |
| 462 | .cra_driver_name = "cbc-camellia-aesni", |
| 463 | .cra_priority = 400, |
| 464 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, |
| 465 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 466 | .cra_ctxsize = sizeof(struct async_helper_ctx), |
| 467 | .cra_alignmask = 0, |
| 468 | .cra_type = &crypto_ablkcipher_type, |
| 469 | .cra_module = THIS_MODULE, |
| 470 | .cra_init = ablk_init, |
| 471 | .cra_exit = ablk_exit, |
| 472 | .cra_u = { |
| 473 | .ablkcipher = { |
| 474 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, |
| 475 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, |
| 476 | .ivsize = CAMELLIA_BLOCK_SIZE, |
| 477 | .setkey = ablk_set_key, |
| 478 | .encrypt = __ablk_encrypt, |
| 479 | .decrypt = ablk_decrypt, |
| 480 | }, |
| 481 | }, |
| 482 | }, { |
| 483 | .cra_name = "ctr(camellia)", |
| 484 | .cra_driver_name = "ctr-camellia-aesni", |
| 485 | .cra_priority = 400, |
| 486 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, |
| 487 | .cra_blocksize = 1, |
| 488 | .cra_ctxsize = sizeof(struct async_helper_ctx), |
| 489 | .cra_alignmask = 0, |
| 490 | .cra_type = &crypto_ablkcipher_type, |
| 491 | .cra_module = THIS_MODULE, |
| 492 | .cra_init = ablk_init, |
| 493 | .cra_exit = ablk_exit, |
| 494 | .cra_u = { |
| 495 | .ablkcipher = { |
| 496 | .min_keysize = CAMELLIA_MIN_KEY_SIZE, |
| 497 | .max_keysize = CAMELLIA_MAX_KEY_SIZE, |
| 498 | .ivsize = CAMELLIA_BLOCK_SIZE, |
| 499 | .setkey = ablk_set_key, |
| 500 | .encrypt = ablk_encrypt, |
| 501 | .decrypt = ablk_encrypt, |
| 502 | .geniv = "chainiv", |
| 503 | }, |
| 504 | }, |
| 505 | }, { |
| 506 | .cra_name = "lrw(camellia)", |
| 507 | .cra_driver_name = "lrw-camellia-aesni", |
| 508 | .cra_priority = 400, |
| 509 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, |
| 510 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 511 | .cra_ctxsize = sizeof(struct async_helper_ctx), |
| 512 | .cra_alignmask = 0, |
| 513 | .cra_type = &crypto_ablkcipher_type, |
| 514 | .cra_module = THIS_MODULE, |
| 515 | .cra_init = ablk_init, |
| 516 | .cra_exit = ablk_exit, |
| 517 | .cra_u = { |
| 518 | .ablkcipher = { |
| 519 | .min_keysize = CAMELLIA_MIN_KEY_SIZE + |
| 520 | CAMELLIA_BLOCK_SIZE, |
| 521 | .max_keysize = CAMELLIA_MAX_KEY_SIZE + |
| 522 | CAMELLIA_BLOCK_SIZE, |
| 523 | .ivsize = CAMELLIA_BLOCK_SIZE, |
| 524 | .setkey = ablk_set_key, |
| 525 | .encrypt = ablk_encrypt, |
| 526 | .decrypt = ablk_decrypt, |
| 527 | }, |
| 528 | }, |
| 529 | }, { |
| 530 | .cra_name = "xts(camellia)", |
| 531 | .cra_driver_name = "xts-camellia-aesni", |
| 532 | .cra_priority = 400, |
| 533 | .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, |
| 534 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 535 | .cra_ctxsize = sizeof(struct async_helper_ctx), |
| 536 | .cra_alignmask = 0, |
| 537 | .cra_type = &crypto_ablkcipher_type, |
| 538 | .cra_module = THIS_MODULE, |
| 539 | .cra_init = ablk_init, |
| 540 | .cra_exit = ablk_exit, |
| 541 | .cra_u = { |
| 542 | .ablkcipher = { |
| 543 | .min_keysize = CAMELLIA_MIN_KEY_SIZE * 2, |
| 544 | .max_keysize = CAMELLIA_MAX_KEY_SIZE * 2, |
| 545 | .ivsize = CAMELLIA_BLOCK_SIZE, |
| 546 | .setkey = ablk_set_key, |
| 547 | .encrypt = ablk_encrypt, |
| 548 | .decrypt = ablk_decrypt, |
| 549 | }, |
| 550 | }, |
| 551 | } }; |
| 552 | |
| 553 | static int __init camellia_aesni_init(void) |
| 554 | { |
Ingo Molnar | ce4f5f9 | 2015-04-28 09:59:44 +0200 | [diff] [blame] | 555 | const char *feature_name; |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 556 | |
Ingo Molnar | ce4f5f9 | 2015-04-28 09:59:44 +0200 | [diff] [blame] | 557 | if (!cpu_has_xfeatures(XSTATE_SSE | XSTATE_YMM, &feature_name)) { |
| 558 | pr_info("CPU feature '%s' is not supported.\n", feature_name); |
Jussi Kivilinna | d9b1d2e | 2012-10-26 14:49:01 +0300 | [diff] [blame] | 559 | return -ENODEV; |
| 560 | } |
| 561 | |
| 562 | return crypto_register_algs(cmll_algs, ARRAY_SIZE(cmll_algs)); |
| 563 | } |
| 564 | |
| 565 | static void __exit camellia_aesni_fini(void) |
| 566 | { |
| 567 | crypto_unregister_algs(cmll_algs, ARRAY_SIZE(cmll_algs)); |
| 568 | } |
| 569 | |
| 570 | module_init(camellia_aesni_init); |
| 571 | module_exit(camellia_aesni_fini); |
| 572 | |
| 573 | MODULE_LICENSE("GPL"); |
| 574 | MODULE_DESCRIPTION("Camellia Cipher Algorithm, AES-NI/AVX optimized"); |
Kees Cook | 5d26a10 | 2014-11-20 17:05:53 -0800 | [diff] [blame] | 575 | MODULE_ALIAS_CRYPTO("camellia"); |
| 576 | MODULE_ALIAS_CRYPTO("camellia-asm"); |