diff options
Diffstat (limited to 'arch/x86/crypto/serpent_sse2_glue.c')
| -rw-r--r-- | arch/x86/crypto/serpent_sse2_glue.c | 623 |
1 files changed, 63 insertions, 560 deletions
diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c index ac0e831943f5..80ee17ec21b4 100644 --- a/arch/x86/crypto/serpent_sse2_glue.c +++ b/arch/x86/crypto/serpent_sse2_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Glue Code for SSE2 assembler versions of Serpent Cipher * @@ -9,594 +10,95 @@ * * CBC & ECB parts based on code (crypto/cbc.c,ecb.c) by: * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au> - * CTR part based on code (crypto/ctr.c) by: - * (C) Copyright IBM Corp. 2007 - Joy Latten <latten@us.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - * */ #include <linux/module.h> -#include <linux/hardirq.h> #include <linux/types.h> #include <linux/crypto.h> #include <linux/err.h> -#include <crypto/ablk_helper.h> #include <crypto/algapi.h> -#include <crypto/serpent.h> -#include <crypto/cryptd.h> #include <crypto/b128ops.h> -#include <crypto/ctr.h> -#include <crypto/lrw.h> -#include <crypto/xts.h> -#include <asm/crypto/serpent-sse2.h> -#include <asm/crypto/glue_helper.h> - -static void serpent_decrypt_cbc_xway(void *ctx, u128 *dst, const u128 *src) -{ - u128 ivs[SERPENT_PARALLEL_BLOCKS - 1]; - unsigned int j; - - for (j = 0; j < SERPENT_PARALLEL_BLOCKS - 1; j++) - ivs[j] = src[j]; - - serpent_dec_blk_xway(ctx, (u8 *)dst, (u8 *)src); - - for (j = 0; j < SERPENT_PARALLEL_BLOCKS - 1; j++) - u128_xor(dst + (j + 1), dst + (j + 1), ivs + j); -} - -static void serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv) -{ - be128 ctrblk; - - le128_to_be128(&ctrblk, iv); - le128_inc(iv); - - __serpent_encrypt(ctx, (u8 *)&ctrblk, (u8 *)&ctrblk); - u128_xor(dst, src, (u128 *)&ctrblk); -} - -static void serpent_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src, - le128 *iv) -{ - be128 ctrblks[SERPENT_PARALLEL_BLOCKS]; - unsigned int i; - - for (i = 0; i < SERPENT_PARALLEL_BLOCKS; i++) { - if (dst != src) - dst[i] = src[i]; - - le128_to_be128(&ctrblks[i], iv); - le128_inc(iv); - } - - serpent_enc_blk_xway_xor(ctx, (u8 *)dst, (u8 *)ctrblks); -} - -static const struct common_glue_ctx serpent_enc = { - .num_funcs = 2, - .fpu_blocks_limit = SERPENT_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = SERPENT_PARALLEL_BLOCKS, - .fn_u = { .ecb = GLUE_FUNC_CAST(serpent_enc_blk_xway) } - }, { - .num_blocks = 1, - .fn_u = { .ecb = GLUE_FUNC_CAST(__serpent_encrypt) } - } } -}; - -static const struct common_glue_ctx serpent_ctr = { - .num_funcs = 2, - .fpu_blocks_limit = SERPENT_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = SERPENT_PARALLEL_BLOCKS, - .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(serpent_crypt_ctr_xway) } - }, { - .num_blocks = 1, - .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(serpent_crypt_ctr) } - } } -}; - -static const struct common_glue_ctx serpent_dec = { - .num_funcs = 2, - .fpu_blocks_limit = SERPENT_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = SERPENT_PARALLEL_BLOCKS, - .fn_u = { .ecb = GLUE_FUNC_CAST(serpent_dec_blk_xway) } - }, { - .num_blocks = 1, - .fn_u = { .ecb = GLUE_FUNC_CAST(__serpent_decrypt) } - } } -}; - -static const struct common_glue_ctx serpent_dec_cbc = { - .num_funcs = 2, - .fpu_blocks_limit = SERPENT_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = SERPENT_PARALLEL_BLOCKS, - .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(serpent_decrypt_cbc_xway) } - }, { - .num_blocks = 1, - .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(__serpent_decrypt) } - } } -}; - -static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return glue_ecb_crypt_128bit(&serpent_enc, desc, dst, src, nbytes); -} - -static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return glue_ecb_crypt_128bit(&serpent_dec, desc, dst, src, nbytes); -} - -static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return glue_cbc_encrypt_128bit(GLUE_FUNC_CAST(__serpent_encrypt), desc, - dst, src, nbytes); -} - -static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return glue_cbc_decrypt_128bit(&serpent_dec_cbc, desc, dst, src, - nbytes); -} - -static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return glue_ctr_crypt_128bit(&serpent_ctr, desc, dst, src, nbytes); -} - -static inline bool serpent_fpu_begin(bool fpu_enabled, unsigned int nbytes) -{ - return glue_fpu_begin(SERPENT_BLOCK_SIZE, SERPENT_PARALLEL_BLOCKS, - NULL, fpu_enabled, nbytes); -} - -static inline void serpent_fpu_end(bool fpu_enabled) -{ - glue_fpu_end(fpu_enabled); -} +#include <crypto/serpent.h> -struct crypt_priv { - struct serpent_ctx *ctx; - bool fpu_enabled; -}; +#include "serpent-sse2.h" +#include "ecb_cbc_helpers.h" -static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes) +static int serpent_setkey_skcipher(struct crypto_skcipher *tfm, + const u8 *key, unsigned int keylen) { - const unsigned int bsize = SERPENT_BLOCK_SIZE; - struct crypt_priv *ctx = priv; - int i; - - ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes); - - if (nbytes == bsize * SERPENT_PARALLEL_BLOCKS) { - serpent_enc_blk_xway(ctx->ctx, srcdst, srcdst); - return; - } - - for (i = 0; i < nbytes / bsize; i++, srcdst += bsize) - __serpent_encrypt(ctx->ctx, srcdst, srcdst); + return __serpent_setkey(crypto_skcipher_ctx(tfm), key, keylen); } -static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes) +static void serpent_decrypt_cbc_xway(const void *ctx, u8 *dst, const u8 *src) { - const unsigned int bsize = SERPENT_BLOCK_SIZE; - struct crypt_priv *ctx = priv; - int i; - - ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes); + u8 buf[SERPENT_PARALLEL_BLOCKS - 1][SERPENT_BLOCK_SIZE]; + const u8 *s = src; - if (nbytes == bsize * SERPENT_PARALLEL_BLOCKS) { - serpent_dec_blk_xway(ctx->ctx, srcdst, srcdst); - return; - } - - for (i = 0; i < nbytes / bsize; i++, srcdst += bsize) - __serpent_decrypt(ctx->ctx, srcdst, srcdst); + if (dst == src) + s = memcpy(buf, src, sizeof(buf)); + serpent_dec_blk_xway(ctx, dst, src); + crypto_xor(dst + SERPENT_BLOCK_SIZE, s, sizeof(buf)); } -struct serpent_lrw_ctx { - struct lrw_table_ctx lrw_table; - struct serpent_ctx serpent_ctx; -}; - -static int lrw_serpent_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int keylen) +static int ecb_encrypt(struct skcipher_request *req) { - struct serpent_lrw_ctx *ctx = crypto_tfm_ctx(tfm); - int err; - - err = __serpent_setkey(&ctx->serpent_ctx, key, keylen - - SERPENT_BLOCK_SIZE); - if (err) - return err; - - return lrw_init_table(&ctx->lrw_table, key + keylen - - SERPENT_BLOCK_SIZE); + ECB_WALK_START(req, SERPENT_BLOCK_SIZE, SERPENT_PARALLEL_BLOCKS); + ECB_BLOCK(SERPENT_PARALLEL_BLOCKS, serpent_enc_blk_xway); + ECB_BLOCK(1, __serpent_encrypt); + ECB_WALK_END(); } -static int lrw_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) +static int ecb_decrypt(struct skcipher_request *req) { - struct serpent_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - be128 buf[SERPENT_PARALLEL_BLOCKS]; - struct crypt_priv crypt_ctx = { - .ctx = &ctx->serpent_ctx, - .fpu_enabled = false, - }; - struct lrw_crypt_req req = { - .tbuf = buf, - .tbuflen = sizeof(buf), - - .table_ctx = &ctx->lrw_table, - .crypt_ctx = &crypt_ctx, - .crypt_fn = encrypt_callback, - }; - int ret; - - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - ret = lrw_crypt(desc, dst, src, nbytes, &req); - serpent_fpu_end(crypt_ctx.fpu_enabled); - - return ret; + ECB_WALK_START(req, SERPENT_BLOCK_SIZE, SERPENT_PARALLEL_BLOCKS); + ECB_BLOCK(SERPENT_PARALLEL_BLOCKS, serpent_dec_blk_xway); + ECB_BLOCK(1, __serpent_decrypt); + ECB_WALK_END(); } -static int lrw_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) +static int cbc_encrypt(struct skcipher_request *req) { - struct serpent_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - be128 buf[SERPENT_PARALLEL_BLOCKS]; - struct crypt_priv crypt_ctx = { - .ctx = &ctx->serpent_ctx, - .fpu_enabled = false, - }; - struct lrw_crypt_req req = { - .tbuf = buf, - .tbuflen = sizeof(buf), - - .table_ctx = &ctx->lrw_table, - .crypt_ctx = &crypt_ctx, - .crypt_fn = decrypt_callback, - }; - int ret; - - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - ret = lrw_crypt(desc, dst, src, nbytes, &req); - serpent_fpu_end(crypt_ctx.fpu_enabled); - - return ret; + CBC_WALK_START(req, SERPENT_BLOCK_SIZE, -1); + CBC_ENC_BLOCK(__serpent_encrypt); + CBC_WALK_END(); } -static void lrw_exit_tfm(struct crypto_tfm *tfm) +static int cbc_decrypt(struct skcipher_request *req) { - struct serpent_lrw_ctx *ctx = crypto_tfm_ctx(tfm); - - lrw_free_table(&ctx->lrw_table); + CBC_WALK_START(req, SERPENT_BLOCK_SIZE, SERPENT_PARALLEL_BLOCKS); + CBC_DEC_BLOCK(SERPENT_PARALLEL_BLOCKS, serpent_decrypt_cbc_xway); + CBC_DEC_BLOCK(1, __serpent_decrypt); + CBC_WALK_END(); } -struct serpent_xts_ctx { - struct serpent_ctx tweak_ctx; - struct serpent_ctx crypt_ctx; -}; - -static int xts_serpent_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int keylen) -{ - struct serpent_xts_ctx *ctx = crypto_tfm_ctx(tfm); - int err; - - err = xts_check_key(tfm, key, keylen); - if (err) - return err; - - /* first half of xts-key is for crypt */ - err = __serpent_setkey(&ctx->crypt_ctx, key, keylen / 2); - if (err) - return err; - - /* second half of xts-key is for tweak */ - return __serpent_setkey(&ctx->tweak_ctx, key + keylen / 2, keylen / 2); -} - -static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - struct serpent_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - le128 buf[SERPENT_PARALLEL_BLOCKS]; - struct crypt_priv crypt_ctx = { - .ctx = &ctx->crypt_ctx, - .fpu_enabled = false, - }; - struct xts_crypt_req req = { - .tbuf = buf, - .tbuflen = sizeof(buf), - - .tweak_ctx = &ctx->tweak_ctx, - .tweak_fn = XTS_TWEAK_CAST(__serpent_encrypt), - .crypt_ctx = &crypt_ctx, - .crypt_fn = encrypt_callback, - }; - int ret; - - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - ret = xts_crypt(desc, dst, src, nbytes, &req); - serpent_fpu_end(crypt_ctx.fpu_enabled); - - return ret; -} - -static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - struct serpent_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - le128 buf[SERPENT_PARALLEL_BLOCKS]; - struct crypt_priv crypt_ctx = { - .ctx = &ctx->crypt_ctx, - .fpu_enabled = false, - }; - struct xts_crypt_req req = { - .tbuf = buf, - .tbuflen = sizeof(buf), - - .tweak_ctx = &ctx->tweak_ctx, - .tweak_fn = XTS_TWEAK_CAST(__serpent_encrypt), - .crypt_ctx = &crypt_ctx, - .crypt_fn = decrypt_callback, - }; - int ret; - - desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; - ret = xts_crypt(desc, dst, src, nbytes, &req); - serpent_fpu_end(crypt_ctx.fpu_enabled); - - return ret; -} - -static struct crypto_alg serpent_algs[10] = { { - .cra_name = "__ecb-serpent-sse2", - .cra_driver_name = "__driver-ecb-serpent-sse2", - .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | - CRYPTO_ALG_INTERNAL, - .cra_blocksize = SERPENT_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct serpent_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE, - .max_keysize = SERPENT_MAX_KEY_SIZE, - .setkey = serpent_setkey, - .encrypt = ecb_encrypt, - .decrypt = ecb_decrypt, - }, - }, -}, { - .cra_name = "__cbc-serpent-sse2", - .cra_driver_name = "__driver-cbc-serpent-sse2", - .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | - CRYPTO_ALG_INTERNAL, - .cra_blocksize = SERPENT_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct serpent_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE, - .max_keysize = SERPENT_MAX_KEY_SIZE, - .setkey = serpent_setkey, - .encrypt = cbc_encrypt, - .decrypt = cbc_decrypt, - }, - }, -}, { - .cra_name = "__ctr-serpent-sse2", - .cra_driver_name = "__driver-ctr-serpent-sse2", - .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | - CRYPTO_ALG_INTERNAL, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct serpent_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE, - .max_keysize = SERPENT_MAX_KEY_SIZE, - .ivsize = SERPENT_BLOCK_SIZE, - .setkey = serpent_setkey, - .encrypt = ctr_crypt, - .decrypt = ctr_crypt, - }, - }, -}, { - .cra_name = "__lrw-serpent-sse2", - .cra_driver_name = "__driver-lrw-serpent-sse2", - .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | - CRYPTO_ALG_INTERNAL, - .cra_blocksize = SERPENT_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct serpent_lrw_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_exit = lrw_exit_tfm, - .cra_u = { - .blkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE + - SERPENT_BLOCK_SIZE, - .max_keysize = SERPENT_MAX_KEY_SIZE + - SERPENT_BLOCK_SIZE, - .ivsize = SERPENT_BLOCK_SIZE, - .setkey = lrw_serpent_setkey, - .encrypt = lrw_encrypt, - .decrypt = lrw_decrypt, - }, - }, -}, { - .cra_name = "__xts-serpent-sse2", - .cra_driver_name = "__driver-xts-serpent-sse2", - .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | - CRYPTO_ALG_INTERNAL, - .cra_blocksize = SERPENT_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct serpent_xts_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE * 2, - .max_keysize = SERPENT_MAX_KEY_SIZE * 2, - .ivsize = SERPENT_BLOCK_SIZE, - .setkey = xts_serpent_setkey, - .encrypt = xts_encrypt, - .decrypt = xts_decrypt, - }, - }, -}, { - .cra_name = "ecb(serpent)", - .cra_driver_name = "ecb-serpent-sse2", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, - .cra_blocksize = SERPENT_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct async_helper_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = ablk_init, - .cra_exit = ablk_exit, - .cra_u = { - .ablkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE, - .max_keysize = SERPENT_MAX_KEY_SIZE, - .setkey = ablk_set_key, - .encrypt = ablk_encrypt, - .decrypt = ablk_decrypt, - }, - }, -}, { - .cra_name = "cbc(serpent)", - .cra_driver_name = "cbc-serpent-sse2", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, - .cra_blocksize = SERPENT_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct async_helper_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = ablk_init, - .cra_exit = ablk_exit, - .cra_u = { - .ablkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE, - .max_keysize = SERPENT_MAX_KEY_SIZE, - .ivsize = SERPENT_BLOCK_SIZE, - .setkey = ablk_set_key, - .encrypt = __ablk_encrypt, - .decrypt = ablk_decrypt, - }, - }, -}, { - .cra_name = "ctr(serpent)", - .cra_driver_name = "ctr-serpent-sse2", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct async_helper_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = ablk_init, - .cra_exit = ablk_exit, - .cra_u = { - .ablkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE, - .max_keysize = SERPENT_MAX_KEY_SIZE, - .ivsize = SERPENT_BLOCK_SIZE, - .setkey = ablk_set_key, - .encrypt = ablk_encrypt, - .decrypt = ablk_encrypt, - .geniv = "chainiv", - }, - }, -}, { - .cra_name = "lrw(serpent)", - .cra_driver_name = "lrw-serpent-sse2", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, - .cra_blocksize = SERPENT_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct async_helper_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = ablk_init, - .cra_exit = ablk_exit, - .cra_u = { - .ablkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE + - SERPENT_BLOCK_SIZE, - .max_keysize = SERPENT_MAX_KEY_SIZE + - SERPENT_BLOCK_SIZE, - .ivsize = SERPENT_BLOCK_SIZE, - .setkey = ablk_set_key, - .encrypt = ablk_encrypt, - .decrypt = ablk_decrypt, - }, - }, -}, { - .cra_name = "xts(serpent)", - .cra_driver_name = "xts-serpent-sse2", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, - .cra_blocksize = SERPENT_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct async_helper_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = ablk_init, - .cra_exit = ablk_exit, - .cra_u = { - .ablkcipher = { - .min_keysize = SERPENT_MIN_KEY_SIZE * 2, - .max_keysize = SERPENT_MAX_KEY_SIZE * 2, - .ivsize = SERPENT_BLOCK_SIZE, - .setkey = ablk_set_key, - .encrypt = ablk_encrypt, - .decrypt = ablk_decrypt, - }, +static struct skcipher_alg serpent_algs[] = { + { + .base.cra_name = "ecb(serpent)", + .base.cra_driver_name = "ecb-serpent-sse2", + .base.cra_priority = 400, + .base.cra_blocksize = SERPENT_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct serpent_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = SERPENT_MIN_KEY_SIZE, + .max_keysize = SERPENT_MAX_KEY_SIZE, + .setkey = serpent_setkey_skcipher, + .encrypt = ecb_encrypt, + .decrypt = ecb_decrypt, + }, { + .base.cra_name = "cbc(serpent)", + .base.cra_driver_name = "cbc-serpent-sse2", + .base.cra_priority = 400, + .base.cra_blocksize = SERPENT_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct serpent_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = SERPENT_MIN_KEY_SIZE, + .max_keysize = SERPENT_MAX_KEY_SIZE, + .ivsize = SERPENT_BLOCK_SIZE, + .setkey = serpent_setkey_skcipher, + .encrypt = cbc_encrypt, + .decrypt = cbc_decrypt, }, -} }; +}; static int __init serpent_sse2_init(void) { @@ -605,12 +107,13 @@ static int __init serpent_sse2_init(void) return -ENODEV; } - return crypto_register_algs(serpent_algs, ARRAY_SIZE(serpent_algs)); + return crypto_register_skciphers(serpent_algs, + ARRAY_SIZE(serpent_algs)); } static void __exit serpent_sse2_exit(void) { - crypto_unregister_algs(serpent_algs, ARRAY_SIZE(serpent_algs)); + crypto_unregister_skciphers(serpent_algs, ARRAY_SIZE(serpent_algs)); } module_init(serpent_sse2_init); |