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crypto/qat: support DOCSIS AES-256

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This patch adds support for DOCSIS AES-256 when using qat

Signed-off-by: Mairtin o Loingsigh <mairtin.oloingsigh@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
This commit is contained in:
Mairtin o Loingsigh 2020-02-26 09:04:10 +00:00 committed by Akhil Goyal
parent 844baa1039
commit 2aab3ff3d8
2 changed files with 12 additions and 4 deletions
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4
drivers/crypto/qat/qat_sym_capabilities.h
View File

@ -333,8 +333,8 @@
.block_size = 16, \
.key_size = { \
.min = 16, \
.max = 16, \
.increment = 0 \
.max = 32, \
.increment = 16 \
}, \
.iv_size = { \
.min = 16, \

12
drivers/crypto/qat/qat_sym_session.c
View File

@ -35,7 +35,7 @@ bpi_cipher_ctx_free(void *bpi_ctx)
static int
bpi_cipher_ctx_init(enum rte_crypto_cipher_algorithm cryptodev_algo,
enum rte_crypto_cipher_operation direction __rte_unused,
const uint8_t *key, void **ctx)
const uint8_t *key, uint16_t key_length, void **ctx)
{
const EVP_CIPHER *algo = NULL;
int ret;
@ -49,7 +49,10 @@ bpi_cipher_ctx_init(enum rte_crypto_cipher_algorithm cryptodev_algo,
if (cryptodev_algo == RTE_CRYPTO_CIPHER_DES_DOCSISBPI)
algo = EVP_des_ecb();
else
algo = EVP_aes_128_ecb();
if (key_length == ICP_QAT_HW_AES_128_KEY_SZ)
algo = EVP_aes_128_ecb();
else
algo = EVP_aes_256_ecb();
/* IV will be ECB encrypted whether direction is encrypt or decrypt*/
if (EVP_EncryptInit_ex(*ctx, algo, NULL, key, 0) != 1) {
@ -286,6 +289,7 @@ qat_sym_session_configure_cipher(struct rte_cryptodev *dev,
cipher_xform->algo,
cipher_xform->op,
cipher_xform->key.data,
cipher_xform->key.length,
&session->bpi_ctx);
if (ret != 0) {
QAT_LOG(ERR, "failed to create DES BPI ctx");
@ -304,6 +308,7 @@ qat_sym_session_configure_cipher(struct rte_cryptodev *dev,
cipher_xform->algo,
cipher_xform->op,
cipher_xform->key.data,
cipher_xform->key.length,
&session->bpi_ctx);
if (ret != 0) {
QAT_LOG(ERR, "failed to create AES BPI ctx");
@ -1909,6 +1914,9 @@ int qat_sym_validate_aes_docsisbpi_key(int key_len,
case ICP_QAT_HW_AES_128_KEY_SZ:
*alg = ICP_QAT_HW_CIPHER_ALGO_AES128;
break;
case ICP_QAT_HW_AES_256_KEY_SZ:
*alg = ICP_QAT_HW_CIPHER_ALGO_AES256;
break;
default:
return -EINVAL;
}