diff mbox series

[net-next,v2,4/5] net/tls: add CHACHA20-POLY1305 configuration

Message ID 1606231490-653-5-git-send-email-vfedorenko@novek.ru (mailing list archive)
State Accepted
Delegated to: Netdev Maintainers
Headers show
Series Add CHACHA20-POLY1305 cipher to Kernel TLS | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 37 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Vadim Fedorenko Nov. 24, 2020, 3:24 p.m. UTC 
Add ChaCha-Poly specific configuration code.

Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru>
---
 net/tls/tls_main.c |  3 +++
 net/tls/tls_sw.c   | 16 ++++++++++++++++
 2 files changed, 19 insertions(+)
diff mbox series

Patch

diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 8d93cea..47b7c53 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 b4eefdb..53106f0 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;