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authorVladimir Ratnikov <vratnikov@netgate.com>2022-09-13 13:09:53 +0000
committerVladimir Ratnikov <vratnikov@netgate.com>2022-09-14 08:18:54 +0000
commitd7c030d6065962b433416c679f3b568b096b49e2 (patch)
tree95e66893dca2b812938b1b4f93496c1a9438d5bc /src
parent51a7e44172512dab3ab70fce1426fd774a4edffe (diff)
ipsec: make chacha20-poly1305 available via API
Type: feature Signed-off-by: Vladimir Ratnikov <vratnikov@netgate.com> Change-Id: I4e03f60f34acd7809ddc5a743650bedbb95b2e98
Diffstat (limited to 'src')
-rw-r--r--src/vnet/ipsec/ipsec.c7
-rw-r--r--src/vnet/ipsec/ipsec_sa.c3
-rw-r--r--src/vnet/ipsec/ipsec_sa.h30
-rw-r--r--src/vnet/ipsec/ipsec_types.api1
4 files changed, 27 insertions, 14 deletions
diff --git a/src/vnet/ipsec/ipsec.c b/src/vnet/ipsec/ipsec.c
index e95bd163049..3ea2e4d62df 100644
--- a/src/vnet/ipsec/ipsec.c
+++ b/src/vnet/ipsec/ipsec.c
@@ -579,6 +579,13 @@ ipsec_init (vlib_main_t * vm)
a->block_align = 1;
a->icv_size = 16;
+ a = im->crypto_algs + IPSEC_CRYPTO_ALG_CHACHA20_POLY1305;
+ a->enc_op_id = VNET_CRYPTO_OP_CHACHA20_POLY1305_ENC;
+ a->dec_op_id = VNET_CRYPTO_OP_CHACHA20_POLY1305_DEC;
+ a->alg = VNET_CRYPTO_ALG_CHACHA20_POLY1305;
+ a->iv_size = 8;
+ a->icv_size = 16;
+
vec_validate (im->integ_algs, IPSEC_INTEG_N_ALG - 1);
ipsec_main_integ_alg_t *i;
diff --git a/src/vnet/ipsec/ipsec_sa.c b/src/vnet/ipsec/ipsec_sa.c
index 5c80545bb21..a330abcb244 100644
--- a/src/vnet/ipsec/ipsec_sa.c
+++ b/src/vnet/ipsec/ipsec_sa.c
@@ -104,7 +104,8 @@ ipsec_sa_set_crypto_alg (ipsec_sa_t * sa, ipsec_crypto_alg_t crypto_alg)
sa->crypto_calg = im->crypto_algs[crypto_alg].alg;
ASSERT (sa->crypto_iv_size <= ESP_MAX_IV_SIZE);
ASSERT (sa->esp_block_align <= ESP_MAX_BLOCK_SIZE);
- if (IPSEC_CRYPTO_ALG_IS_GCM (crypto_alg))
+ if (IPSEC_CRYPTO_ALG_IS_GCM (crypto_alg) ||
+ IPSEC_CRYPTO_ALG_CTR_AEAD_OTHERS (crypto_alg))
{
sa->integ_icv_size = im->crypto_algs[crypto_alg].icv_size;
ipsec_sa_set_IS_CTR (sa);
diff --git a/src/vnet/ipsec/ipsec_sa.h b/src/vnet/ipsec/ipsec_sa.h
index ec5ca11b179..057e8cd9bff 100644
--- a/src/vnet/ipsec/ipsec_sa.h
+++ b/src/vnet/ipsec/ipsec_sa.h
@@ -21,19 +21,20 @@
#include <vnet/fib/fib_node.h>
#include <vnet/tunnel/tunnel.h>
-#define foreach_ipsec_crypto_alg \
- _ (0, NONE, "none") \
- _ (1, AES_CBC_128, "aes-cbc-128") \
- _ (2, AES_CBC_192, "aes-cbc-192") \
- _ (3, AES_CBC_256, "aes-cbc-256") \
- _ (4, AES_CTR_128, "aes-ctr-128") \
- _ (5, AES_CTR_192, "aes-ctr-192") \
- _ (6, AES_CTR_256, "aes-ctr-256") \
- _ (7, AES_GCM_128, "aes-gcm-128") \
- _ (8, AES_GCM_192, "aes-gcm-192") \
- _ (9, AES_GCM_256, "aes-gcm-256") \
- _ (10, DES_CBC, "des-cbc") \
- _ (11, 3DES_CBC, "3des-cbc")
+#define foreach_ipsec_crypto_alg \
+ _ (0, NONE, "none") \
+ _ (1, AES_CBC_128, "aes-cbc-128") \
+ _ (2, AES_CBC_192, "aes-cbc-192") \
+ _ (3, AES_CBC_256, "aes-cbc-256") \
+ _ (4, AES_CTR_128, "aes-ctr-128") \
+ _ (5, AES_CTR_192, "aes-ctr-192") \
+ _ (6, AES_CTR_256, "aes-ctr-256") \
+ _ (7, AES_GCM_128, "aes-gcm-128") \
+ _ (8, AES_GCM_192, "aes-gcm-192") \
+ _ (9, AES_GCM_256, "aes-gcm-256") \
+ _ (10, DES_CBC, "des-cbc") \
+ _ (11, 3DES_CBC, "3des-cbc") \
+ _ (12, CHACHA20_POLY1305, "chacha20-poly1305")
typedef enum
{
@@ -53,6 +54,9 @@ typedef enum
(_alg == IPSEC_CRYPTO_ALG_AES_CTR_192) || \
(_alg == IPSEC_CRYPTO_ALG_AES_CTR_256)))
+#define IPSEC_CRYPTO_ALG_CTR_AEAD_OTHERS(_alg) \
+ (_alg == IPSEC_CRYPTO_ALG_CHACHA20_POLY1305)
+
#define foreach_ipsec_integ_alg \
_ (0, NONE, "none") \
_ (1, MD5_96, "md5-96") /* RFC2403 */ \
diff --git a/src/vnet/ipsec/ipsec_types.api b/src/vnet/ipsec/ipsec_types.api
index fd7068e926e..3f894348bcb 100644
--- a/src/vnet/ipsec/ipsec_types.api
+++ b/src/vnet/ipsec/ipsec_types.api
@@ -36,6 +36,7 @@ enum ipsec_crypto_alg
IPSEC_API_CRYPTO_ALG_AES_GCM_256,
IPSEC_API_CRYPTO_ALG_DES_CBC,
IPSEC_API_CRYPTO_ALG_3DES_CBC,
+ IPSEC_API_CRYPTO_ALG_CHACHA20_POLY1305 [backwards_compatible],
};
/*