diff options
Diffstat (limited to 'arch/x86/crypto/aesni-intel_glue.c')
| -rw-r--r-- | arch/x86/crypto/aesni-intel_glue.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index d8b8cb33f608..7d1259feb0f9 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -209,8 +209,7 @@ static void aesni_gcm_enc_avx(void *ctx, u8 *hash_subkey, const u8 *aad, unsigned long aad_len, u8 *auth_tag, unsigned long auth_tag_len) { - struct crypto_aes_ctx *aes_ctx = (struct crypto_aes_ctx*)ctx; - if ((plaintext_len < AVX_GEN2_OPTSIZE) || (aes_ctx-> key_length != AES_KEYSIZE_128)){ + if (plaintext_len < AVX_GEN2_OPTSIZE) { aesni_gcm_enc(ctx, data, out, in, plaintext_len, iv, hash_subkey, aad, aad_len, auth_tag, auth_tag_len); @@ -227,8 +226,7 @@ static void aesni_gcm_dec_avx(void *ctx, u8 *hash_subkey, const u8 *aad, unsigned long aad_len, u8 *auth_tag, unsigned long auth_tag_len) { - struct crypto_aes_ctx *aes_ctx = (struct crypto_aes_ctx*)ctx; - if ((ciphertext_len < AVX_GEN2_OPTSIZE) || (aes_ctx-> key_length != AES_KEYSIZE_128)) { + if (ciphertext_len < AVX_GEN2_OPTSIZE) { aesni_gcm_dec(ctx, data, out, in, ciphertext_len, iv, hash_subkey, aad, aad_len, auth_tag, auth_tag_len); @@ -268,8 +266,7 @@ static void aesni_gcm_enc_avx2(void *ctx, u8 *hash_subkey, const u8 *aad, unsigned long aad_len, u8 *auth_tag, unsigned long auth_tag_len) { - struct crypto_aes_ctx *aes_ctx = (struct crypto_aes_ctx*)ctx; - if ((plaintext_len < AVX_GEN2_OPTSIZE) || (aes_ctx-> key_length != AES_KEYSIZE_128)) { + if (plaintext_len < AVX_GEN2_OPTSIZE) { aesni_gcm_enc(ctx, data, out, in, plaintext_len, iv, hash_subkey, aad, aad_len, auth_tag, auth_tag_len); @@ -290,8 +287,7 @@ static void aesni_gcm_dec_avx2(void *ctx, u8 *hash_subkey, const u8 *aad, unsigned long aad_len, u8 *auth_tag, unsigned long auth_tag_len) { - struct crypto_aes_ctx *aes_ctx = (struct crypto_aes_ctx*)ctx; - if ((ciphertext_len < AVX_GEN2_OPTSIZE) || (aes_ctx-> key_length != AES_KEYSIZE_128)) { + if (ciphertext_len < AVX_GEN2_OPTSIZE) { aesni_gcm_dec(ctx, data, out, in, ciphertext_len, iv, hash_subkey, aad, aad_len, auth_tag, auth_tag_len); @@ -928,8 +924,7 @@ static int gcmaes_encrypt(struct aead_request *req, unsigned int assoclen, struct scatter_walk dst_sg_walk = {}; struct gcm_context_data data AESNI_ALIGN_ATTR; - if (((struct crypto_aes_ctx *)aes_ctx)->key_length != AES_KEYSIZE_128 || - aesni_gcm_enc_tfm == aesni_gcm_enc || + if (aesni_gcm_enc_tfm == aesni_gcm_enc || req->cryptlen < AVX_GEN2_OPTSIZE) { return gcmaes_crypt_by_sg(true, req, assoclen, hash_subkey, iv, aes_ctx); @@ -1000,8 +995,7 @@ static int gcmaes_decrypt(struct aead_request *req, unsigned int assoclen, struct gcm_context_data data AESNI_ALIGN_ATTR; int retval = 0; - if (((struct crypto_aes_ctx *)aes_ctx)->key_length != AES_KEYSIZE_128 || - aesni_gcm_enc_tfm == aesni_gcm_enc || + if (aesni_gcm_enc_tfm == aesni_gcm_enc || req->cryptlen < AVX_GEN2_OPTSIZE) { return gcmaes_crypt_by_sg(false, req, assoclen, hash_subkey, iv, aes_ctx); |