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Diffstat (limited to 'arch/x86/crypto/serpent_avx2_glue.c')
-rw-r--r--arch/x86/crypto/serpent_avx2_glue.c304
1 files changed, 97 insertions, 207 deletions
diff --git a/arch/x86/crypto/serpent_avx2_glue.c b/arch/x86/crypto/serpent_avx2_glue.c
index 2bd0f0459db4..03347b16ac9d 100644
--- a/arch/x86/crypto/serpent_avx2_glue.c
+++ b/arch/x86/crypto/serpent_avx2_glue.c
@@ -14,15 +14,12 @@
#include <linux/types.h>
#include <linux/crypto.h>
#include <linux/err.h>
-#include <crypto/ablk_helper.h>
#include <crypto/algapi.h>
-#include <crypto/ctr.h>
-#include <crypto/lrw.h>
-#include <crypto/xts.h>
+#include <crypto/internal/simd.h>
#include <crypto/serpent.h>
-#include <asm/fpu/api.h>
-#include <asm/crypto/serpent-avx.h>
+#include <crypto/xts.h>
#include <asm/crypto/glue_helper.h>
+#include <asm/crypto/serpent-avx.h>
#define SERPENT_AVX2_PARALLEL_BLOCKS 16
@@ -40,6 +37,12 @@ asmlinkage void serpent_xts_enc_16way(struct serpent_ctx *ctx, u8 *dst,
asmlinkage void serpent_xts_dec_16way(struct serpent_ctx *ctx, u8 *dst,
const u8 *src, le128 *iv);
+static int serpent_setkey_skcipher(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ return __serpent_setkey(crypto_skcipher_ctx(tfm), key, keylen);
+}
+
static const struct common_glue_ctx serpent_enc = {
.num_funcs = 3,
.fpu_blocks_limit = 8,
@@ -136,229 +139,113 @@ static const struct common_glue_ctx serpent_dec_xts = {
} }
};
-static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int ecb_encrypt(struct skcipher_request *req)
{
- return glue_ecb_crypt_128bit(&serpent_enc, desc, dst, src, nbytes);
+ return glue_ecb_req_128bit(&serpent_enc, req);
}
-static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int ecb_decrypt(struct skcipher_request *req)
{
- return glue_ecb_crypt_128bit(&serpent_dec, desc, dst, src, nbytes);
+ return glue_ecb_req_128bit(&serpent_dec, req);
}
-static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int cbc_encrypt(struct skcipher_request *req)
{
- return glue_cbc_encrypt_128bit(GLUE_FUNC_CAST(__serpent_encrypt), desc,
- dst, src, nbytes);
+ return glue_cbc_encrypt_req_128bit(GLUE_FUNC_CAST(__serpent_encrypt),
+ req);
}
-static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int cbc_decrypt(struct skcipher_request *req)
{
- return glue_cbc_decrypt_128bit(&serpent_dec_cbc, desc, dst, src,
- nbytes);
+ return glue_cbc_decrypt_req_128bit(&serpent_dec_cbc, req);
}
-static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int ctr_crypt(struct skcipher_request *req)
{
- return glue_ctr_crypt_128bit(&serpent_ctr, desc, dst, src, nbytes);
+ return glue_ctr_req_128bit(&serpent_ctr, req);
}
-static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int xts_encrypt(struct skcipher_request *req)
{
- struct serpent_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct serpent_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
- return glue_xts_crypt_128bit(&serpent_enc_xts, desc, dst, src, nbytes,
- XTS_TWEAK_CAST(__serpent_encrypt),
- &ctx->tweak_ctx, &ctx->crypt_ctx);
+ return glue_xts_req_128bit(&serpent_enc_xts, req,
+ XTS_TWEAK_CAST(__serpent_encrypt),
+ &ctx->tweak_ctx, &ctx->crypt_ctx);
}
-static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static int xts_decrypt(struct skcipher_request *req)
{
- struct serpent_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct serpent_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
- return glue_xts_crypt_128bit(&serpent_dec_xts, desc, dst, src, nbytes,
- XTS_TWEAK_CAST(__serpent_encrypt),
- &ctx->tweak_ctx, &ctx->crypt_ctx);
+ return glue_xts_req_128bit(&serpent_dec_xts, req,
+ XTS_TWEAK_CAST(__serpent_encrypt),
+ &ctx->tweak_ctx, &ctx->crypt_ctx);
}
-static struct crypto_alg srp_algs[] = { {
- .cra_name = "__ecb-serpent-avx2",
- .cra_driver_name = "__driver-ecb-serpent-avx2",
- .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-avx2",
- .cra_driver_name = "__driver-cbc-serpent-avx2",
- .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-avx2",
- .cra_driver_name = "__driver-ctr-serpent-avx2",
- .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 = "__xts-serpent-avx2",
- .cra_driver_name = "__driver-xts-serpent-avx2",
- .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-avx2",
- .cra_priority = 600,
- .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-avx2",
- .cra_priority = 600,
- .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-avx2",
- .cra_priority = 600,
- .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 = "xts(serpent)",
- .cra_driver_name = "xts-serpent-avx2",
- .cra_priority = 600,
- .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-avx2",
+ .base.cra_priority = 600,
+ .base.cra_flags = CRYPTO_ALG_INTERNAL,
+ .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-avx2",
+ .base.cra_priority = 600,
+ .base.cra_flags = CRYPTO_ALG_INTERNAL,
+ .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,
+ }, {
+ .base.cra_name = "__ctr(serpent)",
+ .base.cra_driver_name = "__ctr-serpent-avx2",
+ .base.cra_priority = 600,
+ .base.cra_flags = CRYPTO_ALG_INTERNAL,
+ .base.cra_blocksize = 1,
+ .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,
+ .chunksize = SERPENT_BLOCK_SIZE,
+ .setkey = serpent_setkey_skcipher,
+ .encrypt = ctr_crypt,
+ .decrypt = ctr_crypt,
+ }, {
+ .base.cra_name = "__xts(serpent)",
+ .base.cra_driver_name = "__xts-serpent-avx2",
+ .base.cra_priority = 600,
+ .base.cra_flags = CRYPTO_ALG_INTERNAL,
+ .base.cra_blocksize = SERPENT_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct serpent_xts_ctx),
+ .base.cra_module = THIS_MODULE,
+ .min_keysize = 2 * SERPENT_MIN_KEY_SIZE,
+ .max_keysize = 2 * SERPENT_MAX_KEY_SIZE,
+ .ivsize = SERPENT_BLOCK_SIZE,
+ .setkey = xts_serpent_setkey,
+ .encrypt = xts_encrypt,
+ .decrypt = xts_decrypt,
},
-} };
+};
+
+static struct simd_skcipher_alg *serpent_simd_algs[ARRAY_SIZE(serpent_algs)];
static int __init init(void)
{
@@ -374,12 +261,15 @@ static int __init init(void)
return -ENODEV;
}
- return crypto_register_algs(srp_algs, ARRAY_SIZE(srp_algs));
+ return simd_register_skciphers_compat(serpent_algs,
+ ARRAY_SIZE(serpent_algs),
+ serpent_simd_algs);
}
static void __exit fini(void)
{
- crypto_unregister_algs(srp_algs, ARRAY_SIZE(srp_algs));
+ simd_unregister_skciphers(serpent_algs, ARRAY_SIZE(serpent_algs),
+ serpent_simd_algs);
}
module_init(init);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-20 09:40:00 +0300