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path: root/drivers/crypto/qat/qat_crypto.c
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Diffstat (limited to 'drivers/crypto/qat/qat_crypto.c')
-rw-r--r--drivers/crypto/qat/qat_crypto.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/crypto/qat/qat_crypto.c b/drivers/crypto/qat/qat_crypto.c
index a572967c..acd979d2 100644
--- a/drivers/crypto/qat/qat_crypto.c
+++ b/drivers/crypto/qat/qat_crypto.c
@@ -69,6 +69,10 @@
#include "adf_transport_access_macros.h"
#define BYTE_LENGTH 8
+/* bpi is only used for partial blocks of DES and AES
+ * so AES block len can be assumed as max len for iv, src and dst
+ */
+#define BPI_MAX_ENCR_IV_LEN ICP_QAT_HW_AES_BLK_SZ
static int
qat_is_cipher_alg_supported(enum rte_crypto_cipher_algorithm algo,
@@ -121,16 +125,16 @@ bpi_cipher_encrypt(uint8_t *src, uint8_t *dst,
{
EVP_CIPHER_CTX *ctx = (EVP_CIPHER_CTX *)bpi_ctx;
int encrypted_ivlen;
- uint8_t encrypted_iv[16];
- int i;
+ uint8_t encrypted_iv[BPI_MAX_ENCR_IV_LEN];
+ uint8_t *encr = encrypted_iv;
/* ECB method: encrypt the IV, then XOR this with plaintext */
if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen, iv, ivlen)
<= 0)
goto cipher_encrypt_err;
- for (i = 0; i < srclen; i++)
- *(dst+i) = *(src+i)^(encrypted_iv[i]);
+ for (; srclen != 0; --srclen, ++dst, ++src, ++encr)
+ *dst = *src ^ *encr;
return 0;
@@ -150,16 +154,16 @@ bpi_cipher_decrypt(uint8_t *src, uint8_t *dst,
{
EVP_CIPHER_CTX *ctx = (EVP_CIPHER_CTX *)bpi_ctx;
int encrypted_ivlen;
- uint8_t encrypted_iv[16];
- int i;
+ uint8_t encrypted_iv[BPI_MAX_ENCR_IV_LEN];
+ uint8_t *encr = encrypted_iv;
/* ECB method: encrypt (not decrypt!) the IV, then XOR with plaintext */
if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen, iv, ivlen)
<= 0)
goto cipher_decrypt_err;
- for (i = 0; i < srclen; i++)
- *(dst+i) = *(src+i)^(encrypted_iv[i]);
+ for (; srclen != 0; --srclen, ++dst, ++src, ++encr)
+ *dst = *src ^ *encr;
return 0;
@@ -844,7 +848,7 @@ static inline uint32_t
qat_bpicipher_preprocess(struct qat_session *ctx,
struct rte_crypto_op *op)
{
- uint8_t block_len = qat_cipher_get_block_size(ctx->qat_cipher_alg);
+ int block_len = qat_cipher_get_block_size(ctx->qat_cipher_alg);
struct rte_crypto_sym_op *sym_op = op->sym;
uint8_t last_block_len = block_len > 0 ?
sym_op->cipher.data.length % block_len : 0;
@@ -899,7 +903,7 @@ static inline uint32_t
qat_bpicipher_postprocess(struct qat_session *ctx,
struct rte_crypto_op *op)
{
- uint8_t block_len = qat_cipher_get_block_size(ctx->qat_cipher_alg);
+ int block_len = qat_cipher_get_block_size(ctx->qat_cipher_alg);
struct rte_crypto_sym_op *sym_op = op->sym;
uint8_t last_block_len = block_len > 0 ?
sym_op->cipher.data.length % block_len : 0;
@@ -1367,7 +1371,9 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
}
min_ofs = auth_ofs;
- auth_param->auth_res_addr = op->sym->auth.digest.phys_addr;
+ if (likely(ctx->qat_hash_alg != ICP_QAT_HW_AUTH_ALGO_NULL))
+ auth_param->auth_res_addr =
+ op->sym->auth.digest.phys_addr;
}