Extend openssl crypto PMD to support AES XTS operations.
Signed-off-by: Shaokai Zhang <[email protected]>
Reviewed-by: Joey Xing <[email protected]>
---
doc/guides/cryptodevs/features/openssl.ini | 2 ++
doc/guides/cryptodevs/openssl.rst | 1 +
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 ++++++++++++++++++++
5 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/doc/guides/cryptodevs/features/openssl.ini
b/doc/guides/cryptodevs/features/openssl.ini
index df6e7de316..1ce6efd3a5 100644
--- a/doc/guides/cryptodevs/features/openssl.ini
+++ b/doc/guides/cryptodevs/features/openssl.ini
@@ -24,6 +24,8 @@ AES CBC (256) = Y
AES CTR (128) = Y
AES CTR (192) = Y
AES CTR (256) = Y
+AES XTS (128) = Y
+AES XTS (256) = Y
3DES CBC = Y
3DES CTR = Y
DES DOCSIS BPI = Y
diff --git a/doc/guides/cryptodevs/openssl.rst
b/doc/guides/cryptodevs/openssl.rst
index d467069cac..e48f425434 100644
--- a/doc/guides/cryptodevs/openssl.rst
+++ b/doc/guides/cryptodevs/openssl.rst
@@ -22,6 +22,7 @@ Supported cipher algorithms:
* ``RTE_CRYPTO_CIPHER_3DES_CBC``
* ``RTE_CRYPTO_CIPHER_AES_CBC``
* ``RTE_CRYPTO_CIPHER_AES_CTR``
+* ``RTE_CRYPTO_CIPHER_AES_XTS``
* ``RTE_CRYPTO_CIPHER_3DES_CTR``
* ``RTE_CRYPTO_CIPHER_DES_DOCSISBPI``
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
