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Message-Id: <20220704094250.4265-4-ap420073@gmail.com>
Date: Mon, 4 Jul 2022 09:42:50 +0000
From: Taehee Yoo <ap420073@...il.com>
To: linux-crypto@...r.kernel.org, herbert@...dor.apana.org.au,
davem@...emloft.net, borisp@...dia.com, john.fastabend@...il.com,
daniel@...earbox.net, kuba@...nel.org, edumazet@...gle.com,
pabeni@...hat.com, netdev@...r.kernel.org
Cc: ap420073@...il.com
Subject: [PATCH v2 3/3] net: tls: Add ARIA-GCM algorithm
RFC 6209 describes ARIA for TLS 1.2.
ARIA-128-GCM and ARIA-256-GCM are defined in RFC 6209.
This patch would offer performance increment and an opportunity for
hardware offload.
Benchmark results:
openssl-3.0-dev and iperf-ssl are used.
TLS
[ 3] 0.0- 1.0 sec 185 MBytes 1.55 Gbits/sec
[ 3] 1.0- 2.0 sec 186 MBytes 1.56 Gbits/sec
[ 3] 2.0- 3.0 sec 186 MBytes 1.56 Gbits/sec
[ 3] 3.0- 4.0 sec 186 MBytes 1.56 Gbits/sec
[ 3] 4.0- 5.0 sec 186 MBytes 1.56 Gbits/sec
[ 3] 0.0- 5.0 sec 927 MBytes 1.56 Gbits/sec
kTLS
[ 3] 0.0- 1.0 sec 198 MBytes 1.66 Gbits/sec
[ 3] 1.0- 2.0 sec 194 MBytes 1.62 Gbits/sec
[ 3] 2.0- 3.0 sec 194 MBytes 1.63 Gbits/sec
[ 3] 3.0- 4.0 sec 194 MBytes 1.63 Gbits/sec
[ 3] 4.0- 5.0 sec 194 MBytes 1.62 Gbits/sec
[ 3] 0.0- 5.0 sec 974 MBytes 1.63 Gbits/sec
Signed-off-by: Taehee Yoo <ap420073@...il.com>
---
v2:
- patch added.
include/uapi/linux/tls.h | 30 +++++++++++++++++++
net/tls/tls_main.c | 62 ++++++++++++++++++++++++++++++++++++++++
net/tls/tls_sw.c | 34 ++++++++++++++++++++++
3 files changed, 126 insertions(+)
diff --git a/include/uapi/linux/tls.h b/include/uapi/linux/tls.h
index ac39328eabe7..de3cdfaecf78 100644
--- a/include/uapi/linux/tls.h
+++ b/include/uapi/linux/tls.h
@@ -99,6 +99,20 @@
#define TLS_CIPHER_SM4_CCM_TAG_SIZE 16
#define TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE 8
+#define TLS_CIPHER_ARIA_GCM_128 57
+#define TLS_CIPHER_ARIA_GCM_128_IV_SIZE 8
+#define TLS_CIPHER_ARIA_GCM_128_KEY_SIZE 16
+#define TLS_CIPHER_ARIA_GCM_128_SALT_SIZE 4
+#define TLS_CIPHER_ARIA_GCM_128_TAG_SIZE 16
+#define TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE 8
+
+#define TLS_CIPHER_ARIA_GCM_256 58
+#define TLS_CIPHER_ARIA_GCM_256_IV_SIZE 8
+#define TLS_CIPHER_ARIA_GCM_256_KEY_SIZE 32
+#define TLS_CIPHER_ARIA_GCM_256_SALT_SIZE 4
+#define TLS_CIPHER_ARIA_GCM_256_TAG_SIZE 16
+#define TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE 8
+
#define TLS_SET_RECORD_TYPE 1
#define TLS_GET_RECORD_TYPE 2
@@ -155,6 +169,22 @@ struct tls12_crypto_info_sm4_ccm {
unsigned char rec_seq[TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE];
};
+struct tls12_crypto_info_aria_gcm_128 {
+ struct tls_crypto_info info;
+ unsigned char iv[TLS_CIPHER_ARIA_GCM_128_IV_SIZE];
+ unsigned char key[TLS_CIPHER_ARIA_GCM_128_KEY_SIZE];
+ unsigned char salt[TLS_CIPHER_ARIA_GCM_128_SALT_SIZE];
+ unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE];
+};
+
+struct tls12_crypto_info_aria_gcm_256 {
+ struct tls_crypto_info info;
+ unsigned char iv[TLS_CIPHER_ARIA_GCM_256_IV_SIZE];
+ unsigned char key[TLS_CIPHER_ARIA_GCM_256_KEY_SIZE];
+ unsigned char salt[TLS_CIPHER_ARIA_GCM_256_SALT_SIZE];
+ unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE];
+};
+
enum {
TLS_INFO_UNSPEC,
TLS_INFO_VERSION,
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index b91ddc110786..e44a2fdca111 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -505,6 +505,54 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval,
rc = -EFAULT;
break;
}
+ case TLS_CIPHER_ARIA_GCM_128: {
+ struct tls12_crypto_info_aria_gcm_128 *
+ crypto_info_aria_gcm_128 =
+ container_of(crypto_info,
+ struct tls12_crypto_info_aria_gcm_128,
+ info);
+
+ if (len != sizeof(*crypto_info_aria_gcm_128)) {
+ rc = -EINVAL;
+ goto out;
+ }
+ lock_sock(sk);
+ memcpy(crypto_info_aria_gcm_128->iv,
+ cctx->iv + TLS_CIPHER_ARIA_GCM_128_SALT_SIZE,
+ TLS_CIPHER_ARIA_GCM_128_IV_SIZE);
+ memcpy(crypto_info_aria_gcm_128->rec_seq, cctx->rec_seq,
+ TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE);
+ release_sock(sk);
+ if (copy_to_user(optval,
+ crypto_info_aria_gcm_128,
+ sizeof(*crypto_info_aria_gcm_128)))
+ rc = -EFAULT;
+ break;
+ }
+ case TLS_CIPHER_ARIA_GCM_256: {
+ struct tls12_crypto_info_aria_gcm_256 *
+ crypto_info_aria_gcm_256 =
+ container_of(crypto_info,
+ struct tls12_crypto_info_aria_gcm_256,
+ info);
+
+ if (len != sizeof(*crypto_info_aria_gcm_256)) {
+ rc = -EINVAL;
+ goto out;
+ }
+ lock_sock(sk);
+ memcpy(crypto_info_aria_gcm_256->iv,
+ cctx->iv + TLS_CIPHER_ARIA_GCM_256_SALT_SIZE,
+ TLS_CIPHER_ARIA_GCM_256_IV_SIZE);
+ memcpy(crypto_info_aria_gcm_256->rec_seq, cctx->rec_seq,
+ TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE);
+ release_sock(sk);
+ if (copy_to_user(optval,
+ crypto_info_aria_gcm_256,
+ sizeof(*crypto_info_aria_gcm_256)))
+ rc = -EFAULT;
+ break;
+ }
default:
rc = -EINVAL;
}
@@ -633,6 +681,20 @@ static int do_tls_setsockopt_conf(struct sock *sk, sockptr_t optval,
case TLS_CIPHER_SM4_CCM:
optsize = sizeof(struct tls12_crypto_info_sm4_ccm);
break;
+ case TLS_CIPHER_ARIA_GCM_128:
+ if (crypto_info->version != TLS_1_2_VERSION) {
+ rc = -EINVAL;
+ goto err_crypto_info;
+ }
+ optsize = sizeof(struct tls12_crypto_info_aria_gcm_128);
+ break;
+ case TLS_CIPHER_ARIA_GCM_256:
+ if (crypto_info->version != TLS_1_2_VERSION) {
+ rc = -EINVAL;
+ goto err_crypto_info;
+ }
+ optsize = sizeof(struct tls12_crypto_info_aria_gcm_256);
+ break;
default:
rc = -EINVAL;
goto err_crypto_info;
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 0513f82b8537..5094371f8f09 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -2417,6 +2417,40 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
cipher_name = "ccm(sm4)";
break;
}
+ case TLS_CIPHER_ARIA_GCM_128: {
+ struct tls12_crypto_info_aria_gcm_128 *aria_gcm_128_info;
+
+ aria_gcm_128_info = (void *)crypto_info;
+ nonce_size = TLS_CIPHER_ARIA_GCM_128_IV_SIZE;
+ tag_size = TLS_CIPHER_ARIA_GCM_128_TAG_SIZE;
+ iv_size = TLS_CIPHER_ARIA_GCM_128_IV_SIZE;
+ iv = aria_gcm_128_info->iv;
+ rec_seq_size = TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE;
+ rec_seq = aria_gcm_128_info->rec_seq;
+ keysize = TLS_CIPHER_ARIA_GCM_128_KEY_SIZE;
+ key = aria_gcm_128_info->key;
+ salt = aria_gcm_128_info->salt;
+ salt_size = TLS_CIPHER_ARIA_GCM_128_SALT_SIZE;
+ cipher_name = "gcm(aria)";
+ break;
+ }
+ case TLS_CIPHER_ARIA_GCM_256: {
+ struct tls12_crypto_info_aria_gcm_256 *gcm_256_info;
+
+ gcm_256_info = (void *)crypto_info;
+ nonce_size = TLS_CIPHER_ARIA_GCM_256_IV_SIZE;
+ tag_size = TLS_CIPHER_ARIA_GCM_256_TAG_SIZE;
+ iv_size = TLS_CIPHER_ARIA_GCM_256_IV_SIZE;
+ iv = gcm_256_info->iv;
+ rec_seq_size = TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE;
+ rec_seq = gcm_256_info->rec_seq;
+ keysize = TLS_CIPHER_ARIA_GCM_256_KEY_SIZE;
+ key = gcm_256_info->key;
+ salt = gcm_256_info->salt;
+ salt_size = TLS_CIPHER_ARIA_GCM_256_SALT_SIZE;
+ cipher_name = "gcm(aria)";
+ break;
+ }
default:
rc = -EINVAL;
goto free_priv;
--
2.17.1
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