[v2] crypto/qat: add support for 8 byte 3DES
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Commit Message
Added extra case to support 8 byte key size
for 3DES CBC. Also changed capabilities to reflect
the change.
Signed-off-by: Marko Kovacevic <marko.kovacevic@intel.com>
---
V2: Fixed implementation (Fiona)
---
drivers/crypto/qat/qat_adf/qat_algs.h | 1 +
drivers/crypto/qat/qat_adf/qat_algs_build_desc.c | 15 ++++++++++++---
drivers/crypto/qat/qat_crypto_capabilities.h | 2 +-
test/test/test_cryptodev_des_test_vectors.h | 6 ++++--
4 files changed, 18 insertions(+), 6 deletions(-)
@@ -21,6 +21,7 @@
/* 3DES key sizes */
#define QAT_3DES_KEY_SZ_OPT1 24 /* Keys are independent */
#define QAT_3DES_KEY_SZ_OPT2 16 /* K3=K1 */
+#define QAT_3DES_KEY_SZ_OPT3 8 /* K1=K2=K3 */
#define QAT_AES_HW_CONFIG_CBC_ENC(alg) \
ICP_QAT_HW_CIPHER_CONFIG_BUILD(ICP_QAT_HW_CIPHER_CBC_MODE, alg, \
@@ -8,7 +8,6 @@
#include <rte_log.h>
#include <rte_malloc.h>
#include <rte_crypto_sym.h>
-
#include "../qat_logs.h"
#include <openssl/sha.h> /* Needed to calculate pre-compute values */
@@ -618,11 +617,20 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
if (total_key_size > cipherkeylen) {
uint32_t padding_size = total_key_size-cipherkeylen;
if ((cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_3DES)
- && (cipherkeylen == QAT_3DES_KEY_SZ_OPT2))
+ && (cipherkeylen == QAT_3DES_KEY_SZ_OPT2)) {
/* K3 not provided so use K1 = K3*/
memcpy(cdesc->cd_cur_ptr, cipherkey, padding_size);
- else
+
+ } else if ((cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_3DES)
+ && (cipherkeylen == QAT_3DES_KEY_SZ_OPT3)) {
+ /* K2 and K3 not provided so use K1 = K2 = K3*/
+ memcpy(cdesc->cd_cur_ptr, cipherkey,
+ cipherkeylen);
+ memcpy(cdesc->cd_cur_ptr+cipherkeylen,
+ cipherkey, cipherkeylen);
+ } else
memset(cdesc->cd_cur_ptr, 0, padding_size);
+
cdesc->cd_cur_ptr += padding_size;
}
cd_size = cdesc->cd_cur_ptr-(uint8_t *)&cdesc->cd;
@@ -994,6 +1002,7 @@ int qat_alg_validate_3des_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
switch (key_len) {
case QAT_3DES_KEY_SZ_OPT1:
case QAT_3DES_KEY_SZ_OPT2:
+ case QAT_3DES_KEY_SZ_OPT3:
*alg = ICP_QAT_HW_CIPHER_ALGO_3DES;
break;
default:
@@ -434,7 +434,7 @@
.algo = RTE_CRYPTO_CIPHER_3DES_CBC, \
.block_size = 8, \
.key_size = { \
- .min = 16, \
+ .min = 8, \
.max = 24, \
.increment = 8 \
}, \
@@ -1233,14 +1233,16 @@ static const struct blockcipher_test_case triple_des_cipheronly_test_cases[] = {
.test_data = &triple_des64cbc_test_vector,
.op_mask = BLOCKCIPHER_TEST_OP_ENCRYPT,
.pmd_mask = BLOCKCIPHER_TEST_TARGET_PMD_MB |
- BLOCKCIPHER_TEST_TARGET_PMD_OPENSSL
+ BLOCKCIPHER_TEST_TARGET_PMD_OPENSSL |
+ BLOCKCIPHER_TEST_TARGET_PMD_QAT
},
{
.test_descr = "3DES-64-CBC Decryption",
.test_data = &triple_des64cbc_test_vector,
.op_mask = BLOCKCIPHER_TEST_OP_DECRYPT,
.pmd_mask = BLOCKCIPHER_TEST_TARGET_PMD_MB |
- BLOCKCIPHER_TEST_TARGET_PMD_OPENSSL
+ BLOCKCIPHER_TEST_TARGET_PMD_OPENSSL |
+ BLOCKCIPHER_TEST_TARGET_PMD_QAT
},
{
.test_descr = "3DES-128-CBC Encryption",