diff options
Diffstat (limited to 'libtransport/src/hicn/transport/utils/crypto_hash.h')
| -rw-r--r-- | libtransport/src/hicn/transport/utils/crypto_hash.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/libtransport/src/hicn/transport/utils/crypto_hash.h b/libtransport/src/hicn/transport/utils/crypto_hash.h deleted file mode 100644 index 945909d14..000000000 --- a/libtransport/src/hicn/transport/utils/crypto_hash.h +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (c) 2017-2019 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. - */ - -#pragma once - -#include <hicn/transport/errors/runtime_exception.h> -#include <hicn/transport/portability/portability.h> -#include <hicn/transport/utils/array.h> -#include <hicn/transport/utils/crypto_hash_type.h> - -extern "C" { -#include <parc/security/parc_CryptoHash.h> -}; - -#include <cstring> -#include <unordered_map> - -namespace utils { - -class CryptoHasher; - -struct EnumClassHash { - template <typename T> - std::size_t operator()(T t) const { - return static_cast<std::size_t>(t); - } -}; - -static std::unordered_map<CryptoHashType, std::size_t, EnumClassHash> - hash_size_map = {{CryptoHashType::SHA_256, 32}, - {CryptoHashType::CRC32C, 4}, - {CryptoHashType::SHA_512, 64}}; - -class Signer; -class Verifier; - -class CryptoHash { - friend class CryptoHasher; - friend class Signer; - friend class Verifier; - - public: - CryptoHash() : hash_(nullptr) {} - - CryptoHash(const CryptoHash& other) { - if (other.hash_) { - hash_ = parcCryptoHash_Acquire(other.hash_); - } - } - - CryptoHash(CryptoHash&& other) { - if (other.hash_) { - hash_ = parcCryptoHash_Acquire(other.hash_); - } - } - - template <typename T> - CryptoHash(const T* buffer, std::size_t length, CryptoHashType hash_type) { - hash_ = parcCryptoHash_CreateFromArray( - static_cast<PARCCryptoHashType>(hash_type), buffer, length); - } - - ~CryptoHash() { - if (hash_) { - parcCryptoHash_Release(&hash_); - } - } - - CryptoHash& operator=(const CryptoHash& other) { - if (other.hash_) { - hash_ = parcCryptoHash_Acquire(other.hash_); - } - - return *this; - } - - template <typename T> - utils::Array<T> getDigest() const { - return utils::Array<T>( - static_cast<T*>(parcBuffer_Overlay(parcCryptoHash_GetDigest(hash_), 0)), - parcBuffer_Remaining(parcCryptoHash_GetDigest(hash_))); - } - - CryptoHashType getType() { - return static_cast<CryptoHashType>(parcCryptoHash_GetDigestType(hash_)); - } - - template <typename T> - static bool compareBinaryDigest(const T* digest1, const T* digest2, - CryptoHashType hash_type) { - if (hash_size_map.find(hash_type) == hash_size_map.end()) { - return false; - } - - return !static_cast<bool>( - std::memcmp(digest1, digest2, hash_size_map[hash_type])); - } - - TRANSPORT_ALWAYS_INLINE void display() { - parcBuffer_Display(parcCryptoHash_GetDigest(hash_), 2); - } - - private: - PARCCryptoHash* hash_; -}; - -} // namespace utils
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