diff options
| author |   Benoît Ganne <bganne@cisco.com> | 2021-01-22 18:41:06 +0100 |
|---|---|---|
| committer |   Neale Ranns <neale@graphiant.com> | 2021-02-04 16:03:53 +0000 |
| commit | fe7ff320b6b961f2fb374494917905b42993f66c (patch) | |
| tree | 1ee1a094a4dbd1f963b85096b09205f69e712311 /src/plugins/crypto_ipsecmb/ipsecmb.c | |
| parent | b4d9c5dedb2209a021449d80ce3cbc9044072d84 (diff) | |
crypto-ipsecmb: add support for AES CTR
Type: feature
Change-Id: Ide2901f5d2111a518b2c8212aa84468cef1d72ca
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/plugins/crypto_ipsecmb/ipsecmb.c')
| -rw-r--r-- | src/plugins/crypto_ipsecmb/ipsecmb.c | 76 |
1 files changed, 40 insertions, 36 deletions
diff --git a/src/plugins/crypto_ipsecmb/ipsecmb.c b/src/plugins/crypto_ipsecmb/ipsecmb.c index 91661c41531..feca6255e62 100644 --- a/src/plugins/crypto_ipsecmb/ipsecmb.c +++ b/src/plugins/crypto_ipsecmb/ipsecmb.c @@ -56,7 +56,7 @@ typedef struct { u8 enc_key_exp[EXPANDED_KEY_N_BYTES]; u8 dec_key_exp[EXPANDED_KEY_N_BYTES]; -} ipsecmb_aes_cbc_key_data_t; +} ipsecmb_aes_key_data_t; static ipsecmb_main_t ipsecmb_main = { }; @@ -71,12 +71,15 @@ static ipsecmb_main_t ipsecmb_main = { }; _(SHA512, SHA_512, sha512, 128, 64, 64) /* - * (Alg, key-len-bits) + * (Alg, key-len-bits, JOB_CIPHER_MODE) */ -#define foreach_ipsecmb_cbc_cipher_op \ - _(AES_128_CBC, 128) \ - _(AES_192_CBC, 192) \ - _(AES_256_CBC, 256) +#define foreach_ipsecmb_cipher_op \ + _ (AES_128_CBC, 128, CBC) \ + _ (AES_192_CBC, 192, CBC) \ + _ (AES_256_CBC, 256, CBC) \ + _ (AES_128_CTR, 128, CNTR) \ + _ (AES_192_CTR, 192, CNTR) \ + _ (AES_256_CTR, 256, CNTR) /* * (Alg, key-len-bytes, iv-len-bytes) @@ -210,9 +213,10 @@ ipsecmb_retire_cipher_job (JOB_AES_HMAC * job, u32 * n_fail) } static_always_inline u32 -ipsecmb_ops_cbc_cipher_inline (vlib_main_t * vm, vnet_crypto_op_t * ops[], +ipsecmb_ops_aes_cipher_inline (vlib_main_t *vm, vnet_crypto_op_t *ops[], u32 n_ops, u32 key_len, - JOB_CIPHER_DIRECTION direction) + JOB_CIPHER_DIRECTION direction, + JOB_CIPHER_MODE cipher_mode) { ipsecmb_main_t *imbm = &ipsecmb_main; ipsecmb_per_thread_data_t *ptd = vec_elt_at_index (imbm->per_thread_data, @@ -222,9 +226,9 @@ ipsecmb_ops_cbc_cipher_inline (vlib_main_t * vm, vnet_crypto_op_t * ops[], for (i = 0; i < n_ops; i++) { - ipsecmb_aes_cbc_key_data_t *kd; + ipsecmb_aes_key_data_t *kd; vnet_crypto_op_t *op = ops[i]; - kd = (ipsecmb_aes_cbc_key_data_t *) imbm->key_data[op->key_index]; + kd = (ipsecmb_aes_key_data_t *) imbm->key_data[op->key_index]; __m128i iv; job = IMB_GET_NEXT_JOB (ptd->mgr); @@ -235,7 +239,7 @@ ipsecmb_ops_cbc_cipher_inline (vlib_main_t * vm, vnet_crypto_op_t * ops[], job->cipher_start_src_offset_in_bytes = 0; job->hash_alg = NULL_HASH; - job->cipher_mode = CBC; + job->cipher_mode = cipher_mode; job->cipher_direction = direction; job->chain_order = (direction == ENCRYPT ? CIPHER_HASH : HASH_CIPHER); @@ -266,20 +270,20 @@ ipsecmb_ops_cbc_cipher_inline (vlib_main_t * vm, vnet_crypto_op_t * ops[], return n_ops - n_fail; } -#define _(a, b) \ -static_always_inline u32 \ -ipsecmb_ops_cbc_cipher_enc_##a (vlib_main_t * vm, \ - vnet_crypto_op_t * ops[], \ - u32 n_ops) \ -{ return ipsecmb_ops_cbc_cipher_inline (vm, ops, n_ops, b, ENCRYPT); } \ - \ -static_always_inline u32 \ -ipsecmb_ops_cbc_cipher_dec_##a (vlib_main_t * vm, \ - vnet_crypto_op_t * ops[], \ - u32 n_ops) \ -{ return ipsecmb_ops_cbc_cipher_inline (vm, ops, n_ops, b, DECRYPT); } \ +#define _(a, b, c) \ + static_always_inline u32 ipsecmb_ops_cipher_enc_##a ( \ + vlib_main_t *vm, vnet_crypto_op_t *ops[], u32 n_ops) \ + { \ + return ipsecmb_ops_aes_cipher_inline (vm, ops, n_ops, b, ENCRYPT, c); \ + } \ + \ + static_always_inline u32 ipsecmb_ops_cipher_dec_##a ( \ + vlib_main_t *vm, vnet_crypto_op_t *ops[], u32 n_ops) \ + { \ + return ipsecmb_ops_aes_cipher_inline (vm, ops, n_ops, b, DECRYPT, c); \ + } -foreach_ipsecmb_cbc_cipher_op; +foreach_ipsecmb_cipher_op; #undef _ #define _(a, b) \ @@ -489,8 +493,8 @@ crypto_ipsecmb_key_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop, /* AES CBC key expansion */ if (ad->keyexp) { - ad->keyexp (key->data, ((ipsecmb_aes_cbc_key_data_t *) kd)->enc_key_exp, - ((ipsecmb_aes_cbc_key_data_t *) kd)->dec_key_exp); + ad->keyexp (key->data, ((ipsecmb_aes_key_data_t *) kd)->enc_key_exp, + ((ipsecmb_aes_key_data_t *) kd)->dec_key_exp); return; } @@ -580,16 +584,16 @@ crypto_ipsecmb_init (vlib_main_t * vm) foreach_ipsecmb_hmac_op; #undef _ -#define _(a, b) \ - vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_ENC, \ - ipsecmb_ops_cbc_cipher_enc_##a); \ - vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_DEC, \ - ipsecmb_ops_cbc_cipher_dec_##a); \ - ad = imbm->alg_data + VNET_CRYPTO_ALG_##a; \ - ad->data_size = sizeof (ipsecmb_aes_cbc_key_data_t); \ - ad->keyexp = m->keyexp_##b; \ - - foreach_ipsecmb_cbc_cipher_op; +#define _(a, b, c) \ + vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_ENC, \ + ipsecmb_ops_cipher_enc_##a); \ + vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_DEC, \ + ipsecmb_ops_cipher_dec_##a); \ + ad = imbm->alg_data + VNET_CRYPTO_ALG_##a; \ + ad->data_size = sizeof (ipsecmb_aes_key_data_t); \ + ad->keyexp = m->keyexp_##b; + + foreach_ipsecmb_cipher_op; #undef _ #define _(a, b) \ vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_ENC, \ |