* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include <des.h>
+
#include <rte_common.h>
#include <rte_hexdump.h>
#include <rte_cryptodev.h>
struct aesni_mb_session *sess,
const struct rte_crypto_sym_xform *xform)
{
+ uint8_t is_aes = 0;
aes_keyexp_t aes_keyexp_fn;
if (xform == NULL) {
switch (xform->cipher.algo) {
case RTE_CRYPTO_CIPHER_AES_CBC:
sess->cipher.mode = CBC;
+ is_aes = 1;
break;
case RTE_CRYPTO_CIPHER_AES_CTR:
sess->cipher.mode = CNTR;
+ is_aes = 1;
break;
case RTE_CRYPTO_CIPHER_AES_DOCSISBPI:
sess->cipher.mode = DOCSIS_SEC_BPI;
+ is_aes = 1;
break;
- default:
- MB_LOG_ERR("Unsupported cipher mode parameter");
- return -ENOTSUP;
- }
-
- /* Check key length and choose key expansion function */
- switch (xform->cipher.key.length) {
- case AES_128_BYTES:
- sess->cipher.key_length_in_bytes = AES_128_BYTES;
- aes_keyexp_fn = mb_ops->aux.keyexp.aes128;
+ case RTE_CRYPTO_CIPHER_DES_CBC:
+ sess->cipher.mode = DES;
break;
- case AES_192_BYTES:
- sess->cipher.key_length_in_bytes = AES_192_BYTES;
- aes_keyexp_fn = mb_ops->aux.keyexp.aes192;
- break;
- case AES_256_BYTES:
- sess->cipher.key_length_in_bytes = AES_256_BYTES;
- aes_keyexp_fn = mb_ops->aux.keyexp.aes256;
+ case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
+ sess->cipher.mode = DOCSIS_DES;
break;
default:
- MB_LOG_ERR("Invalid cipher key length");
- return -EINVAL;
+ MB_LOG_ERR("Unsupported cipher mode parameter");
+ return -ENOTSUP;
}
/* Set IV parameters */
sess->iv.offset = xform->cipher.iv.offset;
sess->iv.length = xform->cipher.iv.length;
- /* Expanded cipher keys */
- (*aes_keyexp_fn)(xform->cipher.key.data,
- sess->cipher.expanded_aes_keys.encode,
- sess->cipher.expanded_aes_keys.decode);
+ /* Check key length and choose key expansion function for AES */
+ if (is_aes) {
+ switch (xform->cipher.key.length) {
+ case AES_128_BYTES:
+ sess->cipher.key_length_in_bytes = AES_128_BYTES;
+ aes_keyexp_fn = mb_ops->aux.keyexp.aes128;
+ break;
+ case AES_192_BYTES:
+ sess->cipher.key_length_in_bytes = AES_192_BYTES;
+ aes_keyexp_fn = mb_ops->aux.keyexp.aes192;
+ break;
+ case AES_256_BYTES:
+ sess->cipher.key_length_in_bytes = AES_256_BYTES;
+ aes_keyexp_fn = mb_ops->aux.keyexp.aes256;
+ break;
+ default:
+ MB_LOG_ERR("Invalid cipher key length");
+ return -EINVAL;
+ }
+
+ /* Expanded cipher keys */
+ (*aes_keyexp_fn)(xform->cipher.key.data,
+ sess->cipher.expanded_aes_keys.encode,
+ sess->cipher.expanded_aes_keys.decode);
+
+ } else {
+ if (xform->cipher.key.length != 8) {
+ MB_LOG_ERR("Invalid cipher key length");
+ return -EINVAL;
+ }
+ sess->cipher.key_length_in_bytes = 8;
+
+ des_key_schedule((uint64_t *)sess->cipher.expanded_aes_keys.encode,
+ xform->cipher.key.data);
+ des_key_schedule((uint64_t *)sess->cipher.expanded_aes_keys.decode,
+ xform->cipher.key.data);
+ }
return 0;
}