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examples/ipsec-secgw: support 3DES-CBC

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Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
This commit is contained in:
Hemant Agrawal 2018-07-25 15:19:43 +05:30 committed by Pablo de Lara
parent ad45893579
commit 1bc489ca09
3 changed files with 15 additions and 2 deletions
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3
doc/guides/sample_app_ug/ipsec_secgw.rst
View File

@ -67,7 +67,7 @@ Constraints
* No IPv6 options headers.
* No AH mode.
* Supported algorithms: AES-CBC, AES-CTR, AES-GCM, HMAC-SHA1 and NULL.
* Supported algorithms: AES-CBC, AES-CTR, AES-GCM, 3DES-CBC, HMAC-SHA1 and NULL.
* Each SA must be handle by a unique lcore (*1 RX queue per port*).
* No chained mbufs.
@ -397,6 +397,7 @@ where each options means:
* *aes-128-cbc*: AES-CBC 128-bit algorithm
* *aes-256-cbc*: AES-CBC 256-bit algorithm
* *aes-128-ctr*: AES-CTR 128-bit algorithm
* *3des-cbc*: 3DES-CBC 192-bit algorithm
* Syntax: *cipher_algo <your algorithm>*

3
examples/ipsec-secgw/esp.c
View File

@ -96,6 +96,7 @@ esp_inbound(struct rte_mbuf *m, struct ipsec_sa *sa,
switch (sa->cipher_algo) {
case RTE_CRYPTO_CIPHER_NULL:
case RTE_CRYPTO_CIPHER_3DES_CBC:
case RTE_CRYPTO_CIPHER_AES_CBC:
/* Copy IV at the end of crypto operation */
rte_memcpy(iv_ptr, iv, sa->iv_len);
@ -326,6 +327,7 @@ esp_outbound(struct rte_mbuf *m, struct ipsec_sa *sa,
} else {
switch (sa->cipher_algo) {
case RTE_CRYPTO_CIPHER_NULL:
case RTE_CRYPTO_CIPHER_3DES_CBC:
case RTE_CRYPTO_CIPHER_AES_CBC:
memset(iv, 0, sa->iv_len);
break;
@ -387,6 +389,7 @@ esp_outbound(struct rte_mbuf *m, struct ipsec_sa *sa,
} else {
switch (sa->cipher_algo) {
case RTE_CRYPTO_CIPHER_NULL:
case RTE_CRYPTO_CIPHER_3DES_CBC:
case RTE_CRYPTO_CIPHER_AES_CBC:
sym_cop->cipher.data.offset = ip_hdr_len +
sizeof(struct esp_hdr);

11
examples/ipsec-secgw/sa.c
View File

@ -81,6 +81,13 @@ const struct supported_cipher_algo cipher_algos[] = {
.iv_len = 8,
.block_size = 16, /* XXX AESNI MB limition, should be 4 */
.key_len = 20
},
{
.keyword = "3des-cbc",
.algo = RTE_CRYPTO_CIPHER_3DES_CBC,
.iv_len = 8,
.block_size = 8,
.key_len = 24
}
};
@ -327,7 +334,8 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
if (status->status < 0)
return;
if (algo->algo == RTE_CRYPTO_CIPHER_AES_CBC)
if (algo->algo == RTE_CRYPTO_CIPHER_AES_CBC ||
algo->algo == RTE_CRYPTO_CIPHER_3DES_CBC)
rule->salt = (uint32_t)rte_rand();
if (algo->algo == RTE_CRYPTO_CIPHER_AES_CTR) {
@ -810,6 +818,7 @@ sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
} else {
switch (sa->cipher_algo) {
case RTE_CRYPTO_CIPHER_NULL:
case RTE_CRYPTO_CIPHER_3DES_CBC:
case RTE_CRYPTO_CIPHER_AES_CBC:
iv_length = sa->iv_len;
break;