summaryrefslogtreecommitdiff
path: root/arch/x86/crypto/twofish_avx_glue.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/crypto/twofish_avx_glue.c')
-rw-r--r--arch/x86/crypto/twofish_avx_glue.c581
1 files changed, 64 insertions, 517 deletions
diff --git a/arch/x86/crypto/twofish_avx_glue.c b/arch/x86/crypto/twofish_avx_glue.c
index b7a3904b953c..9e20db013750 100644
--- a/arch/x86/crypto/twofish_avx_glue.c
+++ b/arch/x86/crypto/twofish_avx_glue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Glue Code for AVX assembler version of Twofish Cipher
*
@@ -5,554 +6,99 @@
* <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
*
* Copyright © 2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
- *
- * 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/twofish.h>
-#include <crypto/cryptd.h>
-#include <crypto/b128ops.h>
-#include <crypto/ctr.h>
-#include <crypto/lrw.h>
-#include <crypto/xts.h>
-#include <asm/fpu/api.h>
-#include <asm/crypto/twofish.h>
-#include <asm/crypto/glue_helper.h>
-#include <crypto/scatterwalk.h>
-#include <linux/workqueue.h>
-#include <linux/spinlock.h>
+
+#include "twofish.h"
+#include "ecb_cbc_helpers.h"
#define TWOFISH_PARALLEL_BLOCKS 8
/* 8-way parallel cipher functions */
-asmlinkage void twofish_ecb_enc_8way(struct twofish_ctx *ctx, u8 *dst,
- const u8 *src);
-asmlinkage void twofish_ecb_dec_8way(struct twofish_ctx *ctx, u8 *dst,
- const u8 *src);
-
-asmlinkage void twofish_cbc_dec_8way(struct twofish_ctx *ctx, u8 *dst,
- const u8 *src);
-asmlinkage void twofish_ctr_8way(struct twofish_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
-
-asmlinkage void twofish_xts_enc_8way(struct twofish_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
-asmlinkage void twofish_xts_dec_8way(struct twofish_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
-
-static inline void twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst,
- const u8 *src)
-{
- __twofish_enc_blk_3way(ctx, dst, src, false);
-}
-
-static void twofish_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv)
-{
- glue_xts_crypt_128bit_one(ctx, dst, src, iv,
- GLUE_FUNC_CAST(twofish_enc_blk));
-}
-
-static void twofish_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv)
-{
- glue_xts_crypt_128bit_one(ctx, dst, src, iv,
- GLUE_FUNC_CAST(twofish_dec_blk));
-}
-
-
-static const struct common_glue_ctx twofish_enc = {
- .num_funcs = 3,
- .fpu_blocks_limit = TWOFISH_PARALLEL_BLOCKS,
-
- .funcs = { {
- .num_blocks = TWOFISH_PARALLEL_BLOCKS,
- .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_ecb_enc_8way) }
- }, {
- .num_blocks = 3,
- .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_enc_blk_3way) }
- }, {
- .num_blocks = 1,
- .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_enc_blk) }
- } }
-};
-
-static const struct common_glue_ctx twofish_ctr = {
- .num_funcs = 3,
- .fpu_blocks_limit = TWOFISH_PARALLEL_BLOCKS,
-
- .funcs = { {
- .num_blocks = TWOFISH_PARALLEL_BLOCKS,
- .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(twofish_ctr_8way) }
- }, {
- .num_blocks = 3,
- .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(twofish_enc_blk_ctr_3way) }
- }, {
- .num_blocks = 1,
- .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(twofish_enc_blk_ctr) }
- } }
-};
-
-static const struct common_glue_ctx twofish_enc_xts = {
- .num_funcs = 2,
- .fpu_blocks_limit = TWOFISH_PARALLEL_BLOCKS,
-
- .funcs = { {
- .num_blocks = TWOFISH_PARALLEL_BLOCKS,
- .fn_u = { .xts = GLUE_XTS_FUNC_CAST(twofish_xts_enc_8way) }
- }, {
- .num_blocks = 1,
- .fn_u = { .xts = GLUE_XTS_FUNC_CAST(twofish_xts_enc) }
- } }
-};
-
-static const struct common_glue_ctx twofish_dec = {
- .num_funcs = 3,
- .fpu_blocks_limit = TWOFISH_PARALLEL_BLOCKS,
-
- .funcs = { {
- .num_blocks = TWOFISH_PARALLEL_BLOCKS,
- .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_ecb_dec_8way) }
- }, {
- .num_blocks = 3,
- .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_dec_blk_3way) }
- }, {
- .num_blocks = 1,
- .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_dec_blk) }
- } }
-};
-
-static const struct common_glue_ctx twofish_dec_cbc = {
- .num_funcs = 3,
- .fpu_blocks_limit = TWOFISH_PARALLEL_BLOCKS,
-
- .funcs = { {
- .num_blocks = TWOFISH_PARALLEL_BLOCKS,
- .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(twofish_cbc_dec_8way) }
- }, {
- .num_blocks = 3,
- .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(twofish_dec_blk_cbc_3way) }
- }, {
- .num_blocks = 1,
- .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(twofish_dec_blk) }
- } }
-};
-
-static const struct common_glue_ctx twofish_dec_xts = {
- .num_funcs = 2,
- .fpu_blocks_limit = TWOFISH_PARALLEL_BLOCKS,
-
- .funcs = { {
- .num_blocks = TWOFISH_PARALLEL_BLOCKS,
- .fn_u = { .xts = GLUE_XTS_FUNC_CAST(twofish_xts_dec_8way) }
- }, {
- .num_blocks = 1,
- .fn_u = { .xts = GLUE_XTS_FUNC_CAST(twofish_xts_dec) }
- } }
-};
-
-static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
-{
- return glue_ecb_crypt_128bit(&twofish_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(&twofish_dec, desc, dst, src, nbytes);
-}
+asmlinkage void twofish_ecb_enc_8way(const void *ctx, u8 *dst, const u8 *src);
+asmlinkage void twofish_ecb_dec_8way(const void *ctx, u8 *dst, const u8 *src);
-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(twofish_enc_blk), 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(&twofish_dec_cbc, desc, dst, src,
- nbytes);
-}
+asmlinkage void twofish_cbc_dec_8way(const void *ctx, u8 *dst, const u8 *src);
-static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int twofish_setkey_skcipher(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
{
- return glue_ctr_crypt_128bit(&twofish_ctr, desc, dst, src, nbytes);
+ return twofish_setkey(&tfm->base, key, keylen);
}
-static inline bool twofish_fpu_begin(bool fpu_enabled, unsigned int nbytes)
+static inline void twofish_enc_blk_3way(const void *ctx, u8 *dst, const u8 *src)
{
- return glue_fpu_begin(TF_BLOCK_SIZE, TWOFISH_PARALLEL_BLOCKS, NULL,
- fpu_enabled, nbytes);
-}
-
-static inline void twofish_fpu_end(bool fpu_enabled)
-{
- glue_fpu_end(fpu_enabled);
-}
-
-struct crypt_priv {
- struct twofish_ctx *ctx;
- bool fpu_enabled;
-};
-
-static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
-{
- const unsigned int bsize = TF_BLOCK_SIZE;
- struct crypt_priv *ctx = priv;
- int i;
-
- ctx->fpu_enabled = twofish_fpu_begin(ctx->fpu_enabled, nbytes);
-
- if (nbytes == bsize * TWOFISH_PARALLEL_BLOCKS) {
- twofish_ecb_enc_8way(ctx->ctx, srcdst, srcdst);
- return;
- }
-
- for (i = 0; i < nbytes / (bsize * 3); i++, srcdst += bsize * 3)
- twofish_enc_blk_3way(ctx->ctx, srcdst, srcdst);
-
- nbytes %= bsize * 3;
-
- for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
- twofish_enc_blk(ctx->ctx, srcdst, srcdst);
-}
-
-static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
-{
- const unsigned int bsize = TF_BLOCK_SIZE;
- struct crypt_priv *ctx = priv;
- int i;
-
- ctx->fpu_enabled = twofish_fpu_begin(ctx->fpu_enabled, nbytes);
-
- if (nbytes == bsize * TWOFISH_PARALLEL_BLOCKS) {
- twofish_ecb_dec_8way(ctx->ctx, srcdst, srcdst);
- return;
- }
-
- for (i = 0; i < nbytes / (bsize * 3); i++, srcdst += bsize * 3)
- twofish_dec_blk_3way(ctx->ctx, srcdst, srcdst);
-
- nbytes %= bsize * 3;
-
- for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
- twofish_dec_blk(ctx->ctx, srcdst, srcdst);
+ __twofish_enc_blk_3way(ctx, dst, src, false);
}
-static int lrw_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int ecb_encrypt(struct skcipher_request *req)
{
- struct twofish_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- be128 buf[TWOFISH_PARALLEL_BLOCKS];
- struct crypt_priv crypt_ctx = {
- .ctx = &ctx->twofish_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);
- twofish_fpu_end(crypt_ctx.fpu_enabled);
-
- return ret;
+ ECB_WALK_START(req, TF_BLOCK_SIZE, TWOFISH_PARALLEL_BLOCKS);
+ ECB_BLOCK(TWOFISH_PARALLEL_BLOCKS, twofish_ecb_enc_8way);
+ ECB_BLOCK(3, twofish_enc_blk_3way);
+ ECB_BLOCK(1, twofish_enc_blk);
+ ECB_WALK_END();
}
-static int lrw_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int ecb_decrypt(struct skcipher_request *req)
{
- struct twofish_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- be128 buf[TWOFISH_PARALLEL_BLOCKS];
- struct crypt_priv crypt_ctx = {
- .ctx = &ctx->twofish_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);
- twofish_fpu_end(crypt_ctx.fpu_enabled);
-
- return ret;
+ ECB_WALK_START(req, TF_BLOCK_SIZE, TWOFISH_PARALLEL_BLOCKS);
+ ECB_BLOCK(TWOFISH_PARALLEL_BLOCKS, twofish_ecb_dec_8way);
+ ECB_BLOCK(3, twofish_dec_blk_3way);
+ ECB_BLOCK(1, twofish_dec_blk);
+ ECB_WALK_END();
}
-static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int cbc_encrypt(struct skcipher_request *req)
{
- struct twofish_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
-
- return glue_xts_crypt_128bit(&twofish_enc_xts, desc, dst, src, nbytes,
- XTS_TWEAK_CAST(twofish_enc_blk),
- &ctx->tweak_ctx, &ctx->crypt_ctx);
+ CBC_WALK_START(req, TF_BLOCK_SIZE, -1);
+ CBC_ENC_BLOCK(twofish_enc_blk);
+ CBC_WALK_END();
}
-static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int cbc_decrypt(struct skcipher_request *req)
{
- struct twofish_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
-
- return glue_xts_crypt_128bit(&twofish_dec_xts, desc, dst, src, nbytes,
- XTS_TWEAK_CAST(twofish_enc_blk),
- &ctx->tweak_ctx, &ctx->crypt_ctx);
+ CBC_WALK_START(req, TF_BLOCK_SIZE, TWOFISH_PARALLEL_BLOCKS);
+ CBC_DEC_BLOCK(TWOFISH_PARALLEL_BLOCKS, twofish_cbc_dec_8way);
+ CBC_DEC_BLOCK(3, twofish_dec_blk_cbc_3way);
+ CBC_DEC_BLOCK(1, twofish_dec_blk);
+ CBC_WALK_END();
}
-static struct crypto_alg twofish_algs[10] = { {
- .cra_name = "__ecb-twofish-avx",
- .cra_driver_name = "__driver-ecb-twofish-avx",
- .cra_priority = 0,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
- CRYPTO_ALG_INTERNAL,
- .cra_blocksize = TF_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct twofish_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .blkcipher = {
- .min_keysize = TF_MIN_KEY_SIZE,
- .max_keysize = TF_MAX_KEY_SIZE,
- .setkey = twofish_setkey,
- .encrypt = ecb_encrypt,
- .decrypt = ecb_decrypt,
- },
- },
-}, {
- .cra_name = "__cbc-twofish-avx",
- .cra_driver_name = "__driver-cbc-twofish-avx",
- .cra_priority = 0,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
- CRYPTO_ALG_INTERNAL,
- .cra_blocksize = TF_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct twofish_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .blkcipher = {
- .min_keysize = TF_MIN_KEY_SIZE,
- .max_keysize = TF_MAX_KEY_SIZE,
- .setkey = twofish_setkey,
- .encrypt = cbc_encrypt,
- .decrypt = cbc_decrypt,
- },
- },
-}, {
- .cra_name = "__ctr-twofish-avx",
- .cra_driver_name = "__driver-ctr-twofish-avx",
- .cra_priority = 0,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
- CRYPTO_ALG_INTERNAL,
- .cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct twofish_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .blkcipher = {
- .min_keysize = TF_MIN_KEY_SIZE,
- .max_keysize = TF_MAX_KEY_SIZE,
- .ivsize = TF_BLOCK_SIZE,
- .setkey = twofish_setkey,
- .encrypt = ctr_crypt,
- .decrypt = ctr_crypt,
- },
- },
-}, {
- .cra_name = "__lrw-twofish-avx",
- .cra_driver_name = "__driver-lrw-twofish-avx",
- .cra_priority = 0,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
- CRYPTO_ALG_INTERNAL,
- .cra_blocksize = TF_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct twofish_lrw_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_exit = lrw_twofish_exit_tfm,
- .cra_u = {
- .blkcipher = {
- .min_keysize = TF_MIN_KEY_SIZE +
- TF_BLOCK_SIZE,
- .max_keysize = TF_MAX_KEY_SIZE +
- TF_BLOCK_SIZE,
- .ivsize = TF_BLOCK_SIZE,
- .setkey = lrw_twofish_setkey,
- .encrypt = lrw_encrypt,
- .decrypt = lrw_decrypt,
- },
- },
-}, {
- .cra_name = "__xts-twofish-avx",
- .cra_driver_name = "__driver-xts-twofish-avx",
- .cra_priority = 0,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
- CRYPTO_ALG_INTERNAL,
- .cra_blocksize = TF_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct twofish_xts_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_blkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .blkcipher = {
- .min_keysize = TF_MIN_KEY_SIZE * 2,
- .max_keysize = TF_MAX_KEY_SIZE * 2,
- .ivsize = TF_BLOCK_SIZE,
- .setkey = xts_twofish_setkey,
- .encrypt = xts_encrypt,
- .decrypt = xts_decrypt,
- },
- },
-}, {
- .cra_name = "ecb(twofish)",
- .cra_driver_name = "ecb-twofish-avx",
- .cra_priority = 400,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = TF_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 = TF_MIN_KEY_SIZE,
- .max_keysize = TF_MAX_KEY_SIZE,
- .setkey = ablk_set_key,
- .encrypt = ablk_encrypt,
- .decrypt = ablk_decrypt,
- },
- },
-}, {
- .cra_name = "cbc(twofish)",
- .cra_driver_name = "cbc-twofish-avx",
- .cra_priority = 400,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = TF_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 = TF_MIN_KEY_SIZE,
- .max_keysize = TF_MAX_KEY_SIZE,
- .ivsize = TF_BLOCK_SIZE,
- .setkey = ablk_set_key,
- .encrypt = __ablk_encrypt,
- .decrypt = ablk_decrypt,
- },
- },
-}, {
- .cra_name = "ctr(twofish)",
- .cra_driver_name = "ctr-twofish-avx",
- .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 = TF_MIN_KEY_SIZE,
- .max_keysize = TF_MAX_KEY_SIZE,
- .ivsize = TF_BLOCK_SIZE,
- .setkey = ablk_set_key,
- .encrypt = ablk_encrypt,
- .decrypt = ablk_encrypt,
- .geniv = "chainiv",
- },
- },
-}, {
- .cra_name = "lrw(twofish)",
- .cra_driver_name = "lrw-twofish-avx",
- .cra_priority = 400,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = TF_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 = TF_MIN_KEY_SIZE +
- TF_BLOCK_SIZE,
- .max_keysize = TF_MAX_KEY_SIZE +
- TF_BLOCK_SIZE,
- .ivsize = TF_BLOCK_SIZE,
- .setkey = ablk_set_key,
- .encrypt = ablk_encrypt,
- .decrypt = ablk_decrypt,
- },
- },
-}, {
- .cra_name = "xts(twofish)",
- .cra_driver_name = "xts-twofish-avx",
- .cra_priority = 400,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = TF_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 = TF_MIN_KEY_SIZE * 2,
- .max_keysize = TF_MAX_KEY_SIZE * 2,
- .ivsize = TF_BLOCK_SIZE,
- .setkey = ablk_set_key,
- .encrypt = ablk_encrypt,
- .decrypt = ablk_decrypt,
- },
+static struct skcipher_alg twofish_algs[] = {
+ {
+ .base.cra_name = "ecb(twofish)",
+ .base.cra_driver_name = "ecb-twofish-avx",
+ .base.cra_priority = 400,
+ .base.cra_blocksize = TF_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct twofish_ctx),
+ .base.cra_module = THIS_MODULE,
+ .min_keysize = TF_MIN_KEY_SIZE,
+ .max_keysize = TF_MAX_KEY_SIZE,
+ .setkey = twofish_setkey_skcipher,
+ .encrypt = ecb_encrypt,
+ .decrypt = ecb_decrypt,
+ }, {
+ .base.cra_name = "cbc(twofish)",
+ .base.cra_driver_name = "cbc-twofish-avx",
+ .base.cra_priority = 400,
+ .base.cra_blocksize = TF_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct twofish_ctx),
+ .base.cra_module = THIS_MODULE,
+ .min_keysize = TF_MIN_KEY_SIZE,
+ .max_keysize = TF_MAX_KEY_SIZE,
+ .ivsize = TF_BLOCK_SIZE,
+ .setkey = twofish_setkey_skcipher,
+ .encrypt = cbc_encrypt,
+ .decrypt = cbc_decrypt,
},
-} };
+};
static int __init twofish_init(void)
{
@@ -563,12 +109,13 @@ static int __init twofish_init(void)
return -ENODEV;
}
- return crypto_register_algs(twofish_algs, ARRAY_SIZE(twofish_algs));
+ return crypto_register_skciphers(twofish_algs,
+ ARRAY_SIZE(twofish_algs));
}
static void __exit twofish_exit(void)
{
- crypto_unregister_algs(twofish_algs, ARRAY_SIZE(twofish_algs));
+ crypto_unregister_skciphers(twofish_algs, ARRAY_SIZE(twofish_algs));
}
module_init(twofish_init);