diff options
| -rw-r--r-- | arch/x86/crypto/cast6-avx-x86_64-asm_64.S | 28 | ||||
| -rw-r--r-- | arch/x86/crypto/cast6_avx_glue.c | 48 | ||||
| -rw-r--r-- | crypto/Kconfig | 1 |
3 files changed, 1 insertions, 76 deletions
diff --git a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S index 0c1ea836215a..fbddcecc3e3f 100644 --- a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S +++ b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S @@ -410,31 +410,3 @@ SYM_FUNC_START(cast6_cbc_dec_8way) FRAME_END ret; SYM_FUNC_END(cast6_cbc_dec_8way) - -SYM_FUNC_START(cast6_ctr_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst - * %rdx: src - * %rcx: iv (little endian, 128bit) - */ - FRAME_BEGIN - pushq %r12; - pushq %r15 - - movq %rdi, CTX; - movq %rsi, %r11; - movq %rdx, %r12; - - load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, - RD2, RX, RKR, RKM); - - call __cast6_enc_blk8; - - store_ctr_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - popq %r15; - popq %r12; - FRAME_END - ret; -SYM_FUNC_END(cast6_ctr_8way) diff --git a/arch/x86/crypto/cast6_avx_glue.c b/arch/x86/crypto/cast6_avx_glue.c index 5a21d3e9041c..790efcb6df3b 100644 --- a/arch/x86/crypto/cast6_avx_glue.c +++ b/arch/x86/crypto/cast6_avx_glue.c @@ -23,8 +23,6 @@ asmlinkage void cast6_ecb_enc_8way(const void *ctx, u8 *dst, const u8 *src); asmlinkage void cast6_ecb_dec_8way(const void *ctx, u8 *dst, const u8 *src); asmlinkage void cast6_cbc_dec_8way(const void *ctx, u8 *dst, const u8 *src); -asmlinkage void cast6_ctr_8way(const void *ctx, u8 *dst, const u8 *src, - le128 *iv); static int cast6_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) @@ -32,19 +30,6 @@ static int cast6_setkey_skcipher(struct crypto_skcipher *tfm, return cast6_setkey(&tfm->base, key, keylen); } -static void cast6_crypt_ctr(const void *ctx, u8 *d, const u8 *s, le128 *iv) -{ - be128 ctrblk; - u128 *dst = (u128 *)d; - const u128 *src = (const u128 *)s; - - le128_to_be128(&ctrblk, iv); - le128_inc(iv); - - __cast6_encrypt(ctx, (u8 *)&ctrblk, (u8 *)&ctrblk); - u128_xor(dst, src, (u128 *)&ctrblk); -} - static const struct common_glue_ctx cast6_enc = { .num_funcs = 2, .fpu_blocks_limit = CAST6_PARALLEL_BLOCKS, @@ -58,19 +43,6 @@ static const struct common_glue_ctx cast6_enc = { } } }; -static const struct common_glue_ctx cast6_ctr = { - .num_funcs = 2, - .fpu_blocks_limit = CAST6_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = CAST6_PARALLEL_BLOCKS, - .fn_u = { .ctr = cast6_ctr_8way } - }, { - .num_blocks = 1, - .fn_u = { .ctr = cast6_crypt_ctr } - } } -}; - static const struct common_glue_ctx cast6_dec = { .num_funcs = 2, .fpu_blocks_limit = CAST6_PARALLEL_BLOCKS, @@ -117,11 +89,6 @@ static int cbc_decrypt(struct skcipher_request *req) return glue_cbc_decrypt_req_128bit(&cast6_dec_cbc, req); } -static int ctr_crypt(struct skcipher_request *req) -{ - return glue_ctr_req_128bit(&cast6_ctr, req); -} - static struct skcipher_alg cast6_algs[] = { { .base.cra_name = "__ecb(cast6)", @@ -150,21 +117,6 @@ static struct skcipher_alg cast6_algs[] = { .setkey = cast6_setkey_skcipher, .encrypt = cbc_encrypt, .decrypt = cbc_decrypt, - }, { - .base.cra_name = "__ctr(cast6)", - .base.cra_driver_name = "__ctr-cast6-avx", - .base.cra_priority = 200, - .base.cra_flags = CRYPTO_ALG_INTERNAL, - .base.cra_blocksize = 1, - .base.cra_ctxsize = sizeof(struct cast6_ctx), - .base.cra_module = THIS_MODULE, - .min_keysize = CAST6_MIN_KEY_SIZE, - .max_keysize = CAST6_MAX_KEY_SIZE, - .ivsize = CAST6_BLOCK_SIZE, - .chunksize = CAST6_BLOCK_SIZE, - .setkey = cast6_setkey_skcipher, - .encrypt = ctr_crypt, - .decrypt = ctr_crypt, }, }; diff --git a/crypto/Kconfig b/crypto/Kconfig index fed73fff5a65..3f51c5dfc2a9 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1397,6 +1397,7 @@ config CRYPTO_CAST6_AVX_X86_64 select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SIMD imply CRYPTO_XTS + imply CRYPTO_CTR help The CAST6 encryption algorithm (synonymous with CAST-256) is described in RFC2612. |