From: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> Support IPsec ChaCha20-Poly1305 on top of linux-generic's crypto support.
Signed-off-by: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> --- /** Email created from pull request 428 (lumag:chacha-poly1305) ** https://github.com/Linaro/odp/pull/428 ** Patch: https://github.com/Linaro/odp/pull/428.patch ** Base sha: 44974a09b01c79adb9637a5dff38539598a76737 ** Merge commit sha: 516808773882a012c221502d190787c1cdddd1b9 **/ platform/linux-generic/odp_ipsec.c | 1 + platform/linux-generic/odp_ipsec_sad.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/platform/linux-generic/odp_ipsec.c b/platform/linux-generic/odp_ipsec.c index b6192377e..43d7b9f52 100644 --- a/platform/linux-generic/odp_ipsec.c +++ b/platform/linux-generic/odp_ipsec.c @@ -112,6 +112,7 @@ int odp_ipsec_auth_capability(odp_auth_alg_t auth, continue; if (ODP_AUTH_ALG_AES_GCM == auth || + ODP_AUTH_ALG_CHACHA20_POLY1305 == auth || ODP_DEPRECATE(ODP_AUTH_ALG_AES128_GCM) == auth) { uint8_t aad_len = 12; diff --git a/platform/linux-generic/odp_ipsec_sad.c b/platform/linux-generic/odp_ipsec_sad.c index 031adef65..d97735408 100644 --- a/platform/linux-generic/odp_ipsec_sad.c +++ b/platform/linux-generic/odp_ipsec_sad.c @@ -210,6 +210,8 @@ uint32_t _odp_ipsec_cipher_iv_len(odp_cipher_alg_t cipher) #endif case ODP_CIPHER_ALG_AES_GCM: return 12; + case ODP_CIPHER_ALG_CHACHA20_POLY1305: + return 12; default: return (uint32_t)-1; } @@ -240,6 +242,8 @@ uint32_t _odp_ipsec_auth_digest_len(odp_auth_alg_t auth) case ODP_AUTH_ALG_AES_GCM: case ODP_AUTH_ALG_AES_GMAC: return 16; + case ODP_AUTH_ALG_CHACHA20_POLY1305: + return 16; default: return (uint32_t)-1; } @@ -392,6 +396,11 @@ odp_ipsec_sa_t odp_ipsec_sa_create(const odp_ipsec_sa_param_t *param) ipsec_sa->esp_iv_len = 8; ipsec_sa->esp_block_len = 16; break; + case ODP_CIPHER_ALG_CHACHA20_POLY1305: + ipsec_sa->use_counter_iv = 1; + ipsec_sa->esp_iv_len = 8; + ipsec_sa->esp_block_len = 1; + break; default: goto error; } @@ -411,6 +420,9 @@ odp_ipsec_sa_t odp_ipsec_sa_create(const odp_ipsec_sa_param_t *param) ipsec_sa->esp_block_len = 16; crypto_param.auth_iv.length = 12; break; + case ODP_AUTH_ALG_CHACHA20_POLY1305: + crypto_param.auth_aad_len = sizeof(ipsec_aad_t); + break; default: break; }
