summaryrefslogtreecommitdiff
path: root/arch/x86/crypto
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/crypto')
-rw-r--r--arch/x86/crypto/aesni-intel_glue.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index a5b0cb3efeba..39d6a62ac627 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -229,10 +229,9 @@ static inline struct crypto_aes_ctx *aes_ctx(void *raw_ctx)
return (struct crypto_aes_ctx *)ALIGN(addr, align);
}
-static int aes_set_key_common(struct crypto_tfm *tfm, void *raw_ctx,
+static int aes_set_key_common(struct crypto_aes_ctx *ctx,
const u8 *in_key, unsigned int key_len)
{
- struct crypto_aes_ctx *ctx = aes_ctx(raw_ctx);
int err;
if (key_len != AES_KEYSIZE_128 && key_len != AES_KEYSIZE_192 &&
@@ -253,7 +252,8 @@ static int aes_set_key_common(struct crypto_tfm *tfm, void *raw_ctx,
static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len)
{
- return aes_set_key_common(tfm, crypto_tfm_ctx(tfm), in_key, key_len);
+ return aes_set_key_common(aes_ctx(crypto_tfm_ctx(tfm)), in_key,
+ key_len);
}
static void aesni_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
@@ -285,8 +285,7 @@ static void aesni_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
static int aesni_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int len)
{
- return aes_set_key_common(crypto_skcipher_tfm(tfm),
- crypto_skcipher_ctx(tfm), key, len);
+ return aes_set_key_common(aes_ctx(crypto_skcipher_ctx(tfm)), key, len);
}
static int ecb_encrypt(struct skcipher_request *req)
@@ -627,8 +626,7 @@ static int common_rfc4106_set_key(struct crypto_aead *aead, const u8 *key,
memcpy(ctx->nonce, key + key_len, sizeof(ctx->nonce));
- return aes_set_key_common(crypto_aead_tfm(aead),
- &ctx->aes_key_expanded, key, key_len) ?:
+ return aes_set_key_common(&ctx->aes_key_expanded, key, key_len) ?:
rfc4106_set_hash_subkey(ctx->hash_subkey, key, key_len);
}
@@ -893,14 +891,13 @@ static int xts_aesni_setkey(struct crypto_skcipher *tfm, const u8 *key,
keylen /= 2;
/* first half of xts-key is for crypt */
- err = aes_set_key_common(crypto_skcipher_tfm(tfm), ctx->raw_crypt_ctx,
- key, keylen);
+ err = aes_set_key_common(aes_ctx(ctx->raw_crypt_ctx), key, keylen);
if (err)
return err;
/* second half of xts-key is for tweak */
- return aes_set_key_common(crypto_skcipher_tfm(tfm), ctx->raw_tweak_ctx,
- key + keylen, keylen);
+ return aes_set_key_common(aes_ctx(ctx->raw_tweak_ctx), key + keylen,
+ keylen);
}
static int xts_crypt(struct skcipher_request *req, bool encrypt)
@@ -1150,8 +1147,7 @@ static int generic_gcmaes_set_key(struct crypto_aead *aead, const u8 *key,
{
struct generic_gcmaes_ctx *ctx = generic_gcmaes_ctx_get(aead);
- return aes_set_key_common(crypto_aead_tfm(aead),
- &ctx->aes_key_expanded, key, key_len) ?:
+ return aes_set_key_common(&ctx->aes_key_expanded, key, key_len) ?:
rfc4106_set_hash_subkey(ctx->hash_subkey, key, key_len);
}