diff options
Diffstat (limited to 'src/libipsec/esp_context.c')
| -rw-r--r-- | src/libipsec/esp_context.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/libipsec/esp_context.c b/src/libipsec/esp_context.c index b742d1576..a9e0e5b4d 100644 --- a/src/libipsec/esp_context.c +++ b/src/libipsec/esp_context.c @@ -247,7 +247,18 @@ static bool create_traditional(private_esp_context_t *this, int enc_alg, signer_t *signer = NULL; iv_gen_t *ivg; - crypter = lib->crypto->create_crypter(lib->crypto, enc_alg, enc_key.len); + switch (enc_alg) + { + case ENCR_AES_CTR: + /* the key includes a 4 byte salt */ + crypter = lib->crypto->create_crypter(lib->crypto, enc_alg, + enc_key.len - 4); + break; + default: + crypter = lib->crypto->create_crypter(lib->crypto, enc_alg, + enc_key.len); + break; + } if (!crypter) { DBG1(DBG_ESP, "failed to create ESP context: unsupported encryption " |