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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file parc_CryptoSuite.h
* @ingroup security
* @brief Represent a cryptographic suite, a set of corresponding hash and signing/MAC/CRC algorithms.
*
* A cryptographic suite encapsulates the method by which (public key) digital signatures and
* (private key) MACs. For example, a digital signature suite might combine SHA-256 as the hash
* digest algorithm and RSA as the signature generation/verification algorithm. Such a suite
* would would have the PARCCryptoSuite value PARCCryptoSuite_RSA_SHA256.
*
*/
#ifndef libparc_parc_CryptoSuite_h
#define libparc_parc_CryptoSuite_h
#include <parc/security/parc_CryptoHashType.h>
typedef enum {
PARCCryptoSuite_RSA_SHA256,
PARCCryptoSuite_DSA_SHA256,
PARCCryptoSuite_RSA_SHA512,
PARCCryptoSuite_HMAC_SHA256,
PARCCryptoSuite_HMAC_SHA512,
PARCCryptoSuite_NULL_CRC32C,
PARCCryptoSuite_EC_SECP_256K1,
PARCCryptoSuite_UNKNOWN
} PARCCryptoSuite;
/**
* Given a PARCCryptoSuite value, return the corresponding cryptographic hash as a `PARCCryptoHashType`.
*
* @param [in] suite A PARCCryptoSuite value.
*
* @return A PARCCryptoHashType value
*
* Example:
* @code
* {
* PARCryptoHashType hash = parcCryptoSuite_GetCryptoHash(PARCCryptoSuite_RSA_SHA256);
* }
* @endcode
*/
PARCCryptoHashType parcCryptoSuite_GetCryptoHash(PARCCryptoSuite suite);
#endif // libparc_parc_CryptoSuite_h
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