diff options
Diffstat (limited to 'arch/x86/crypto/camellia_aesni_avx_glue.c')
| -rw-r--r-- | arch/x86/crypto/camellia_aesni_avx_glue.c | 216 |
1 files changed, 22 insertions, 194 deletions
diff --git a/arch/x86/crypto/camellia_aesni_avx_glue.c b/arch/x86/crypto/camellia_aesni_avx_glue.c index 4e5de6ef206e..c7ccf63e741e 100644 --- a/arch/x86/crypto/camellia_aesni_avx_glue.c +++ b/arch/x86/crypto/camellia_aesni_avx_glue.c @@ -5,16 +5,16 @@ * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> */ -#include <asm/crypto/camellia.h> -#include <asm/crypto/glue_helper.h> #include <crypto/algapi.h> #include <crypto/internal/simd.h> -#include <crypto/xts.h> #include <linux/crypto.h> #include <linux/err.h> #include <linux/module.h> #include <linux/types.h> +#include "camellia.h" +#include "ecb_cbc_helpers.h" + #define CAMELLIA_AESNI_PARALLEL_BLOCKS 16 /* 16-way parallel cipher functions (avx/aes-ni) */ @@ -27,120 +27,6 @@ EXPORT_SYMBOL_GPL(camellia_ecb_dec_16way); asmlinkage void camellia_cbc_dec_16way(const void *ctx, u8 *dst, const u8 *src); EXPORT_SYMBOL_GPL(camellia_cbc_dec_16way); -asmlinkage void camellia_ctr_16way(const void *ctx, u8 *dst, const u8 *src, - le128 *iv); -EXPORT_SYMBOL_GPL(camellia_ctr_16way); - -asmlinkage void camellia_xts_enc_16way(const void *ctx, u8 *dst, const u8 *src, - le128 *iv); -EXPORT_SYMBOL_GPL(camellia_xts_enc_16way); - -asmlinkage void camellia_xts_dec_16way(const void *ctx, u8 *dst, const u8 *src, - le128 *iv); -EXPORT_SYMBOL_GPL(camellia_xts_dec_16way); - -void camellia_xts_enc(const void *ctx, u8 *dst, const u8 *src, le128 *iv) -{ - glue_xts_crypt_128bit_one(ctx, dst, src, iv, camellia_enc_blk); -} -EXPORT_SYMBOL_GPL(camellia_xts_enc); - -void camellia_xts_dec(const void *ctx, u8 *dst, const u8 *src, le128 *iv) -{ - glue_xts_crypt_128bit_one(ctx, dst, src, iv, camellia_dec_blk); -} -EXPORT_SYMBOL_GPL(camellia_xts_dec); - -static const struct common_glue_ctx camellia_enc = { - .num_funcs = 3, - .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, - .fn_u = { .ecb = camellia_ecb_enc_16way } - }, { - .num_blocks = 2, - .fn_u = { .ecb = camellia_enc_blk_2way } - }, { - .num_blocks = 1, - .fn_u = { .ecb = camellia_enc_blk } - } } -}; - -static const struct common_glue_ctx camellia_ctr = { - .num_funcs = 3, - .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, - .fn_u = { .ctr = camellia_ctr_16way } - }, { - .num_blocks = 2, - .fn_u = { .ctr = camellia_crypt_ctr_2way } - }, { - .num_blocks = 1, - .fn_u = { .ctr = camellia_crypt_ctr } - } } -}; - -static const struct common_glue_ctx camellia_enc_xts = { - .num_funcs = 2, - .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, - .fn_u = { .xts = camellia_xts_enc_16way } - }, { - .num_blocks = 1, - .fn_u = { .xts = camellia_xts_enc } - } } -}; - -static const struct common_glue_ctx camellia_dec = { - .num_funcs = 3, - .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, - .fn_u = { .ecb = camellia_ecb_dec_16way } - }, { - .num_blocks = 2, - .fn_u = { .ecb = camellia_dec_blk_2way } - }, { - .num_blocks = 1, - .fn_u = { .ecb = camellia_dec_blk } - } } -}; - -static const struct common_glue_ctx camellia_dec_cbc = { - .num_funcs = 3, - .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, - .fn_u = { .cbc = camellia_cbc_dec_16way } - }, { - .num_blocks = 2, - .fn_u = { .cbc = camellia_decrypt_cbc_2way } - }, { - .num_blocks = 1, - .fn_u = { .cbc = camellia_dec_blk } - } } -}; - -static const struct common_glue_ctx camellia_dec_xts = { - .num_funcs = 2, - .fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS, - - .funcs = { { - .num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS, - .fn_u = { .xts = camellia_xts_dec_16way } - }, { - .num_blocks = 1, - .fn_u = { .xts = camellia_xts_dec } - } } -}; - static int camellia_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { @@ -149,65 +35,36 @@ static int camellia_setkey(struct crypto_skcipher *tfm, const u8 *key, static int ecb_encrypt(struct skcipher_request *req) { - return glue_ecb_req_128bit(&camellia_enc, req); + ECB_WALK_START(req, CAMELLIA_BLOCK_SIZE, CAMELLIA_AESNI_PARALLEL_BLOCKS); + ECB_BLOCK(CAMELLIA_AESNI_PARALLEL_BLOCKS, camellia_ecb_enc_16way); + ECB_BLOCK(2, camellia_enc_blk_2way); + ECB_BLOCK(1, camellia_enc_blk); + ECB_WALK_END(); } static int ecb_decrypt(struct skcipher_request *req) { - return glue_ecb_req_128bit(&camellia_dec, req); + ECB_WALK_START(req, CAMELLIA_BLOCK_SIZE, CAMELLIA_AESNI_PARALLEL_BLOCKS); + ECB_BLOCK(CAMELLIA_AESNI_PARALLEL_BLOCKS, camellia_ecb_dec_16way); + ECB_BLOCK(2, camellia_dec_blk_2way); + ECB_BLOCK(1, camellia_dec_blk); + ECB_WALK_END(); } static int cbc_encrypt(struct skcipher_request *req) { - return glue_cbc_encrypt_req_128bit(camellia_enc_blk, req); + CBC_WALK_START(req, CAMELLIA_BLOCK_SIZE, -1); + CBC_ENC_BLOCK(camellia_enc_blk); + CBC_WALK_END(); } static int cbc_decrypt(struct skcipher_request *req) { - return glue_cbc_decrypt_req_128bit(&camellia_dec_cbc, req); -} - -static int ctr_crypt(struct skcipher_request *req) -{ - return glue_ctr_req_128bit(&camellia_ctr, req); -} - -int xts_camellia_setkey(struct crypto_skcipher *tfm, const u8 *key, - unsigned int keylen) -{ - struct camellia_xts_ctx *ctx = crypto_skcipher_ctx(tfm); - int err; - - err = xts_verify_key(tfm, key, keylen); - if (err) - return err; - - /* first half of xts-key is for crypt */ - err = __camellia_setkey(&ctx->crypt_ctx, key, keylen / 2); - if (err) - return err; - - /* second half of xts-key is for tweak */ - return __camellia_setkey(&ctx->tweak_ctx, key + keylen / 2, keylen / 2); -} -EXPORT_SYMBOL_GPL(xts_camellia_setkey); - -static int xts_encrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct camellia_xts_ctx *ctx = crypto_skcipher_ctx(tfm); - - return glue_xts_req_128bit(&camellia_enc_xts, req, camellia_enc_blk, - &ctx->tweak_ctx, &ctx->crypt_ctx, false); -} - -static int xts_decrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct camellia_xts_ctx *ctx = crypto_skcipher_ctx(tfm); - - return glue_xts_req_128bit(&camellia_dec_xts, req, camellia_enc_blk, - &ctx->tweak_ctx, &ctx->crypt_ctx, true); + CBC_WALK_START(req, CAMELLIA_BLOCK_SIZE, CAMELLIA_AESNI_PARALLEL_BLOCKS); + CBC_DEC_BLOCK(CAMELLIA_AESNI_PARALLEL_BLOCKS, camellia_cbc_dec_16way); + CBC_DEC_BLOCK(2, camellia_decrypt_cbc_2way); + CBC_DEC_BLOCK(1, camellia_dec_blk); + CBC_WALK_END(); } static struct skcipher_alg camellia_algs[] = { @@ -238,36 +95,7 @@ static struct skcipher_alg camellia_algs[] = { .setkey = camellia_setkey, .encrypt = cbc_encrypt, .decrypt = cbc_decrypt, - }, { - .base.cra_name = "__ctr(camellia)", - .base.cra_driver_name = "__ctr-camellia-aesni", - .base.cra_priority = 400, - .base.cra_flags = CRYPTO_ALG_INTERNAL, - .base.cra_blocksize = 1, - .base.cra_ctxsize = sizeof(struct camellia_ctx), - .base.cra_module = THIS_MODULE, - .min_keysize = CAMELLIA_MIN_KEY_SIZE, - .max_keysize = CAMELLIA_MAX_KEY_SIZE, - .ivsize = CAMELLIA_BLOCK_SIZE, - .chunksize = CAMELLIA_BLOCK_SIZE, - .setkey = camellia_setkey, - .encrypt = ctr_crypt, - .decrypt = ctr_crypt, - }, { - .base.cra_name = "__xts(camellia)", - .base.cra_driver_name = "__xts-camellia-aesni", - .base.cra_priority = 400, - .base.cra_flags = CRYPTO_ALG_INTERNAL, - .base.cra_blocksize = CAMELLIA_BLOCK_SIZE, - .base.cra_ctxsize = sizeof(struct camellia_xts_ctx), - .base.cra_module = THIS_MODULE, - .min_keysize = 2 * CAMELLIA_MIN_KEY_SIZE, - .max_keysize = 2 * CAMELLIA_MAX_KEY_SIZE, - .ivsize = CAMELLIA_BLOCK_SIZE, - .setkey = xts_camellia_setkey, - .encrypt = xts_encrypt, - .decrypt = xts_decrypt, - }, + } }; static struct simd_skcipher_alg *camellia_simd_algs[ARRAY_SIZE(camellia_algs)]; |