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authorVadim Fedorenko <vfedorenko@novek.ru>2020-11-24 18:24:49 +0300
committerJakub Kicinski <kuba@kernel.org>2020-11-27 14:32:37 -0800
commit74ea610602e607338d7301e0061d6b33b6b2ad0a (patch)
tree001d673c685a07a7d88825917ca37fc1cc56857e /net/tls
parentnet/tls: add CHACHA20-POLY1305 specific behavior (diff)
downloadlinux-dev-74ea610602e607338d7301e0061d6b33b6b2ad0a.tar.xz
linux-dev-74ea610602e607338d7301e0061d6b33b6b2ad0a.zip
net/tls: add CHACHA20-POLY1305 configuration
Add ChaCha-Poly specific configuration code. Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/tls')
-rw-r--r--net/tls/tls_main.c3
-rw-r--r--net/tls/tls_sw.c16
2 files changed, 19 insertions, 0 deletions
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 8d93cea99f2c..47b7c5334c34 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -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;
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index b4eefdb9c30a..53106f02def2 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -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;