linux-gen: crypto: add algo capability functions

Implemented cipher and authentication algorithm capability
functions.

Signed-off-by: Petri Savolainen <petri.savolainen@nokia.com>
Reviewed-by: Bill Fischofer <bill.fischofer@linaro.org>
Reviewed-by: Balasubramanian Manoharan <bala.manoharan@linaro.org>
Reviewed-by: Nikhil Agarwal <nikhil.agarwal@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>

1 files changed, 77 insertions, 0 deletions

diff --git a/platform/linux-generic/odp_crypto.c b/platform/linux-generic/odp_crypto.c
index dfeb9f3f2..6963ee625 100644
--- a/platform/linux-generic/odp_crypto.c
+++ b/platform/linux-generic/odp_crypto.c
@@ -656,6 +656,83 @@ int odp_crypto_auth_capability(odp_auth_alg_t auth,
 	return num;
 }
 
+int odp_crypto_cipher_capability(odp_cipher_alg_t cipher,
+				 odp_crypto_cipher_capability_t dst[],
+				 int num_copy)
+{
+	const odp_crypto_cipher_capability_t *src;
+	int num;
+	int size = sizeof(odp_crypto_cipher_capability_t);
+
+	switch (cipher) {
+	case ODP_CIPHER_ALG_NULL:
+		src = NULL;
+		num = 0;
+		break;
+	case ODP_CIPHER_ALG_DES:
+		src = cipher_capa_des;
+		num = sizeof(cipher_capa_des) / size;
+		break;
+	case ODP_CIPHER_ALG_3DES_CBC:
+		src = cipher_capa_trides_cbc;
+		num = sizeof(cipher_capa_trides_cbc) / size;
+		break;
+	case ODP_CIPHER_ALG_AES_CBC:
+		src = cipher_capa_aes_cbc;
+		num = sizeof(cipher_capa_aes_cbc) / size;
+		break;
+	case ODP_CIPHER_ALG_AES_GCM:
+		src = cipher_capa_aes_gcm;
+		num = sizeof(cipher_capa_aes_gcm) / size;
+		break;
+	default:
+		return -1;
+	}
+
+	if (num < num_copy)
+		num_copy = num;
+
+	memcpy(dst, src, num_copy * size);
+
+	return num;
+}
+
+int odp_crypto_auth_capability(odp_auth_alg_t auth,
+			       odp_crypto_auth_capability_t dst[], int num_copy)
+{
+	const odp_crypto_auth_capability_t *src;
+	int num;
+	int size = sizeof(odp_crypto_auth_capability_t);
+
+	switch (auth) {
+	case ODP_AUTH_ALG_NULL:
+		src = NULL;
+		num = 0;
+		break;
+	case ODP_AUTH_ALG_MD5_HMAC:
+		src = auth_capa_md5_hmac;
+		num = sizeof(auth_capa_md5_hmac) / size;
+		break;
+	case ODP_AUTH_ALG_SHA256_HMAC:
+		src = auth_capa_sha256_hmac;
+		num = sizeof(auth_capa_sha256_hmac) / size;
+		break;
+	case ODP_AUTH_ALG_AES_GCM:
+		src = auth_capa_aes_gcm;
+		num = sizeof(auth_capa_aes_gcm) / size;
+		break;
+	default:
+		return -1;
+	}
+
+	if (num < num_copy)
+		num_copy = num;
+
+	memcpy(dst, src, num_copy * size);
+
+	return num;
+}
+
 int
 odp_crypto_session_create(odp_crypto_session_param_t *param,
 			  odp_crypto_session_t *session_out,