C++ (Cpp) aesni_mb_set_session_auth_parametersの例

コード例 #1

ファイル: rte_aesni_mb_pmd.c プロジェクト: Mellanox/dpdk.org

/** Parse crypto xform chain and set private session parameters */
int
aesni_mb_set_session_parameters(const struct aesni_mb_ops *mb_ops,
		struct aesni_mb_session *sess,
		const struct rte_crypto_sym_xform *xform)
{
	const struct rte_crypto_sym_xform *auth_xform = NULL;
	const struct rte_crypto_sym_xform *cipher_xform = NULL;

	/* Select Crypto operation - hash then cipher / cipher then hash */
	switch (aesni_mb_get_chain_order(xform)) {
	case HASH_CIPHER:
		sess->chain_order = HASH_CIPHER;
		auth_xform = xform;
		cipher_xform = xform->next;
		break;
	case CIPHER_HASH:
		sess->chain_order = CIPHER_HASH;
		auth_xform = xform->next;
		cipher_xform = xform;
		break;
	default:
		MB_LOG_ERR("Unsupported operation chain order parameter");
		return -1;
	}

	if (aesni_mb_set_session_auth_parameters(mb_ops, sess, auth_xform)) {
		MB_LOG_ERR("Invalid/unsupported authentication parameters");
		return -1;
	}

	if (aesni_mb_set_session_cipher_parameters(mb_ops, sess,
			cipher_xform)) {
		MB_LOG_ERR("Invalid/unsupported cipher parameters");
		return -1;
	}
	return 0;
}

コード例 #2

ファイル: rte_aesni_mb_pmd.c プロジェクト: cjdoucette/dpdk

/** Parse crypto xform chain and set private session parameters */
int
aesni_mb_set_session_parameters(const struct aesni_mb_op_fns *mb_ops,
		struct aesni_mb_session *sess,
		const struct rte_crypto_sym_xform *xform)
{
	const struct rte_crypto_sym_xform *auth_xform = NULL;
	const struct rte_crypto_sym_xform *cipher_xform = NULL;
	const struct rte_crypto_sym_xform *aead_xform = NULL;
	int ret;

	/* Select Crypto operation - hash then cipher / cipher then hash */
	switch (aesni_mb_get_chain_order(xform)) {
	case AESNI_MB_OP_HASH_CIPHER:
		sess->chain_order = HASH_CIPHER;
		auth_xform = xform;
		cipher_xform = xform->next;
		break;
	case AESNI_MB_OP_CIPHER_HASH:
		sess->chain_order = CIPHER_HASH;
		auth_xform = xform->next;
		cipher_xform = xform;
		break;
	case AESNI_MB_OP_HASH_ONLY:
		sess->chain_order = HASH_CIPHER;
		auth_xform = xform;
		cipher_xform = NULL;
		break;
	case AESNI_MB_OP_CIPHER_ONLY:
		/*
		 * Multi buffer library operates only at two modes,
		 * CIPHER_HASH and HASH_CIPHER. When doing ciphering only,
		 * chain order depends on cipher operation: encryption is always
		 * the first operation and decryption the last one.
		 */
		if (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
			sess->chain_order = CIPHER_HASH;
		else
			sess->chain_order = HASH_CIPHER;
		auth_xform = NULL;
		cipher_xform = xform;
		break;
	case AESNI_MB_OP_AEAD_CIPHER_HASH:
		sess->chain_order = CIPHER_HASH;
		sess->aead.aad_len = xform->aead.aad_length;
		aead_xform = xform;
		break;
	case AESNI_MB_OP_AEAD_HASH_CIPHER:
		sess->chain_order = HASH_CIPHER;
		sess->aead.aad_len = xform->aead.aad_length;
		aead_xform = xform;
		break;
	case AESNI_MB_OP_NOT_SUPPORTED:
	default:
		AESNI_MB_LOG(ERR, "Unsupported operation chain order parameter");
		return -ENOTSUP;
	}

	/* Default IV length = 0 */
	sess->iv.length = 0;

	ret = aesni_mb_set_session_auth_parameters(mb_ops, sess, auth_xform);
	if (ret != 0) {
		AESNI_MB_LOG(ERR, "Invalid/unsupported authentication parameters");
		return ret;
	}

	ret = aesni_mb_set_session_cipher_parameters(mb_ops, sess,
			cipher_xform);
	if (ret != 0) {
		AESNI_MB_LOG(ERR, "Invalid/unsupported cipher parameters");
		return ret;
	}

	if (aead_xform) {
		ret = aesni_mb_set_session_aead_parameters(mb_ops, sess,
				aead_xform);
		if (ret != 0) {
			AESNI_MB_LOG(ERR, "Invalid/unsupported aead parameters");
			return ret;
		}
	}

	return 0;
}