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Date: Mon, 26 Sep 2022 22:43:54 +0100
From: Vadim Fedorenko <vfedorenko@...ek.ru>
To: Taehee Yoo <ap420073@...il.com>, davem@...emloft.net,
kuba@...nel.org, pabeni@...hat.com, edumazet@...gle.com,
netdev@...r.kernel.org, herbert@...dor.apana.org.au,
borisp@...dia.com, john.fastabend@...il.com
Subject: Re: [PATCH v3 net-next] net: tls: Add ARIA-GCM algorithm
On 25.09.2022 16:00, Taehee Yoo wrote:
> 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:
> iperf-ssl are used.
> CPU: intel i3-12100.
>
> TLS(openssl-3.0-dev)
> [ 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(aria-generic)
> [ 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
> kTLS(aria-avx wirh GFNI)
> [ 3] 0.0- 1.0 sec 632 MBytes 5.30 Gbits/sec
> [ 3] 1.0- 2.0 sec 657 MBytes 5.51 Gbits/sec
> [ 3] 2.0- 3.0 sec 657 MBytes 5.51 Gbits/sec
> [ 3] 3.0- 4.0 sec 656 MBytes 5.50 Gbits/sec
> [ 3] 4.0- 5.0 sec 656 MBytes 5.50 Gbits/sec
> [ 3] 0.0- 5.0 sec 3.18 GBytes 5.47 Gbits/sec
>
> Signed-off-by: Taehee Yoo <ap420073@...il.com>
It looks like there is nothing special in handling this algo in TLS
implementation, common GCM way.
Reviewed-by: Vadim Fedorenko <vfedorenko@...ek.ru>
> ---
>
> v2:
> - This patch was a part of patchset of implementation of aria algorithm[1].
> There were 3 patches in the patchset, the target branch of the first
> and second patch were the crypto and these were merged[2].
> This patch was the last patch of that patchset and the target branch of
> this patch is net-next, not crypto. So it was not merged by the crypto
> branch.
> It waited for merging of these two patches.
>
> v3:
> - There are no code changes in this patch.
> - Update benchmark data with aria-avx.
>
> [1] https://lore.kernel.org/netdev/20220704094250.4265-4-ap420073@gmail.com/
> [2] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/tree/crypto/aria.c
>
> 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 f1157d8f4acd..b66a800389cc 100644
> --- a/include/uapi/linux/tls.h
> +++ b/include/uapi/linux/tls.h
> @@ -100,6 +100,20 @@
> #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
>
> @@ -156,6 +170,22 @@ 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 5cc6911cc97d..3735cb00905d 100644
> --- a/net/tls/tls_main.c
> +++ b/net/tls/tls_main.c
> @@ -524,6 +524,54 @@ 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;
> }
> @@ -685,6 +733,20 @@ 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 fe27241cd13f..264cf367e265 100644
> --- a/net/tls/tls_sw.c
> +++ b/net/tls/tls_sw.c
> @@ -2629,6 +2629,40 @@ 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;
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