Add aes-128-xts and aes-256-xts support for crypto openssl pmd. As xts mode we
got 2 key, the key length is multiplied by two, i.e. 32 and 64.
Signed-off-by: Michael Leung <michael.le...@bloombase.com>
---
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(-)
diff --git a/drivers/crypto/openssl/openssl_pmd_private.h
b/drivers/crypto/openssl/openssl_pmd_private.h
index ed6841e460..85a8316edc 100644
--- a/drivers/crypto/openssl/openssl_pmd_private.h
+++ b/drivers/crypto/openssl/openssl_pmd_private.h
@@ -103,7 +103,7 @@ struct 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 384d262621..e9cbc60da7 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd.c
@@ -240,6 +240,18 @@ 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;
default:
res = -EINVAL;
break;
@@ -483,6 +495,7 @@ 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 29ad1b9505..c016b1926f 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd_ops.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd_ops.c
@@ -309,6 +309,26 @@ 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 // only 32 & 64
(128/256-bit)
+ },
+ .iv_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
{ /* AES GCM */
.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
{.sym = {
--
2.25.1
