diff options
| -rw-r--r-- | arch/x86/crypto/serpent_sse2_glue.c | 130 | ||||
| -rw-r--r-- | crypto/Kconfig | 2 |
2 files changed, 1 insertions, 131 deletions
diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c index ac0e831943f5..e9de69b45184 100644 --- a/arch/x86/crypto/serpent_sse2_glue.c +++ b/arch/x86/crypto/serpent_sse2_glue.c @@ -40,7 +40,6 @@ #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> @@ -221,85 +220,6 @@ static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes) __serpent_decrypt(ctx->ctx, srcdst, srcdst); } -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) -{ - 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); -} - -static int lrw_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - 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; -} - -static int lrw_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - 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; -} - -static void lrw_exit_tfm(struct crypto_tfm *tfm) -{ - struct serpent_lrw_ctx *ctx = crypto_tfm_ctx(tfm); - - lrw_free_table(&ctx->lrw_table); -} - struct serpent_xts_ctx { struct serpent_ctx tweak_ctx; struct serpent_ctx crypt_ctx; @@ -378,7 +298,7 @@ static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, return ret; } -static struct crypto_alg serpent_algs[10] = { { +static struct crypto_alg serpent_algs[] = { { .cra_name = "__ecb-serpent-sse2", .cra_driver_name = "__driver-ecb-serpent-sse2", .cra_priority = 0, @@ -440,30 +360,6 @@ static struct crypto_alg serpent_algs[10] = { { }, }, }, { - .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, @@ -551,30 +447,6 @@ static struct crypto_alg serpent_algs[10] = { { }, }, }, { - .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, diff --git a/crypto/Kconfig b/crypto/Kconfig index 558eff07b799..ecc4e56e80ac 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1427,7 +1427,6 @@ config CRYPTO_SERPENT_SSE2_X86_64 select CRYPTO_ABLK_HELPER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT - select CRYPTO_LRW select CRYPTO_XTS help Serpent cipher algorithm, by Anderson, Biham & Knudsen. @@ -1449,7 +1448,6 @@ config CRYPTO_SERPENT_SSE2_586 select CRYPTO_ABLK_HELPER select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT - select CRYPTO_LRW select CRYPTO_XTS help Serpent cipher algorithm, by Anderson, Biham & Knudsen. |