> Extend openssl crypto PMD to support AES XTS operations.
>
> Signed-off-by: Shaokai Zhang <[email protected]>
> Reviewed-by: Joey Xing <[email protected]>
> ---
> drivers/crypto/openssl/openssl_pmd_private.h | 2 +-
> drivers/crypto/openssl/rte_openssl_pmd.c | 13 +++++++++++++
> drivers/crypto/openssl/rte_openssl_pmd_ops.c | 20 ++++++++++++++++++++
> 3 files changed, 34 insertions(+), 1 deletion(-)
Documentation update missing.
This patch is late for current release. Will be deferred to next release.
>
> diff --git a/drivers/crypto/openssl/openssl_pmd_private.h
> b/drivers/crypto/openssl/openssl_pmd_private.h
> index fe89e522e1..d5a751600a 100644
> --- a/drivers/crypto/openssl/openssl_pmd_private.h
> +++ b/drivers/crypto/openssl/openssl_pmd_private.h
> @@ -118,7 +118,7 @@ struct __rte_cache_aligned openssl_session {
> /**< cipher algorithm */
>
> struct {
> - uint8_t data[32];
> + uint8_t data[64];
> /**< key data */
> size_t length;
> /**< key length in bytes */
> diff --git a/drivers/crypto/openssl/rte_openssl_pmd.c
> b/drivers/crypto/openssl/rte_openssl_pmd.c
> index 4f171f48cc..2d803912d4 100644
> --- a/drivers/crypto/openssl/rte_openssl_pmd.c
> +++ b/drivers/crypto/openssl/rte_openssl_pmd.c
> @@ -211,6 +211,18 @@ get_cipher_algo(enum rte_crypto_cipher_algorithm
> sess_algo, size_t keylen,
> res = -EINVAL;
> }
> break;
> + case RTE_CRYPTO_CIPHER_AES_XTS:
> + switch (keylen) {
> + case 32:
> + *algo = EVP_aes_128_xts();
> + break;
> + case 64:
> + *algo = EVP_aes_256_xts();
> + break;
> + default:
> + res = -EINVAL;
> + }
> + break;
> case RTE_CRYPTO_CIPHER_AES_CTR:
> switch (keylen) {
> case 16:
> @@ -493,6 +505,7 @@ openssl_set_session_cipher_parameters(struct
> openssl_session *sess,
> case RTE_CRYPTO_CIPHER_3DES_CBC:
> case RTE_CRYPTO_CIPHER_AES_CBC:
> case RTE_CRYPTO_CIPHER_AES_CTR:
> + case RTE_CRYPTO_CIPHER_AES_XTS:
> sess->cipher.mode = OPENSSL_CIPHER_LIB;
> sess->cipher.algo = xform->cipher.algo;
> sess->cipher.ctx = EVP_CIPHER_CTX_new();
> diff --git a/drivers/crypto/openssl/rte_openssl_pmd_ops.c
> b/drivers/crypto/openssl/rte_openssl_pmd_ops.c
> index 5095e6cbea..df5c12626d 100644
> --- a/drivers/crypto/openssl/rte_openssl_pmd_ops.c
> +++ b/drivers/crypto/openssl/rte_openssl_pmd_ops.c
> @@ -269,6 +269,26 @@ static const struct rte_cryptodev_capabilities
> openssl_pmd_capabilities[] = {
> }, }
> }, }
> },
> + { /* AES XTS */
> + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
> + {.sym = {
> + .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
> + {.cipher = {
> + .algo = RTE_CRYPTO_CIPHER_AES_XTS,
> + .block_size = 16,
> + .key_size = {
> + .min = 32,
> + .max = 64,
> + .increment = 32
> + },
> + .iv_size = {
> + .min = 16,
> + .max = 16,
> + .increment = 0
> + }
> + }, }
> + }, }
> + },
> { /* AES CBC */
> .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
> {.sym = {
> --
> 2.47.1.windows.2
