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net/tls: add CHACHA20-POLY1305 configuration

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Add ChaCha-Poly specific configuration code.

Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vadim Fedorenko 2020-11-24 18:24:49 +03:00 committed by Jakub Kicinski
parent a6acbe6235
commit 74ea610602
2 changed files with 19 additions and 0 deletions
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3
net/tls/tls_main.c
View file

@ -521,6 +521,9 @@ static int do_tls_setsockopt_conf(struct sock *sk, sockptr_t optval,
case TLS_CIPHER_AES_CCM_128:
optsize = sizeof(struct tls12_crypto_info_aes_ccm_128);
break;
case TLS_CIPHER_CHACHA20_POLY1305:
optsize = sizeof(struct tls12_crypto_info_chacha20_poly1305);
break;
default:
rc = -EINVAL;
goto err_crypto_info;

16
net/tls/tls_sw.c
View file

@ -2290,6 +2290,7 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
struct tls12_crypto_info_aes_gcm_128 *gcm_128_info;
struct tls12_crypto_info_aes_gcm_256 *gcm_256_info;
struct tls12_crypto_info_aes_ccm_128 *ccm_128_info;
struct tls12_crypto_info_chacha20_poly1305 *chacha20_poly1305_info;
struct tls_sw_context_tx *sw_ctx_tx = NULL;
struct tls_sw_context_rx *sw_ctx_rx = NULL;
struct cipher_context *cctx;
@ -2402,6 +2403,21 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
cipher_name = "ccm(aes)";
break;
}
case TLS_CIPHER_CHACHA20_POLY1305: {
chacha20_poly1305_info = (void *)crypto_info;
nonce_size = 0;
tag_size = TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE;
iv_size = TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE;
iv = chacha20_poly1305_info->iv;
rec_seq_size = TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE;
rec_seq = chacha20_poly1305_info->rec_seq;
keysize = TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE;
key = chacha20_poly1305_info->key;
salt = chacha20_poly1305_info->salt;
salt_size = TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE;
cipher_name = "rfc7539(chacha20,poly1305)";
break;
}
default:
rc = -EINVAL;
goto free_priv;