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156 lines (119 loc) · 3.52 KB
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/* Copyright 2017 - 2025 R. Thomas
* Copyright 2017 - 2025 Quarkslab
*
* 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.
*/
#include <functional>
#include <numeric>
#include "mbedtls/sha256.h"
#include "LIEF/hash.hpp"
#if defined(LIEF_PE_SUPPORT)
#include "LIEF/PE/hash.hpp"
#endif
#if defined(LIEF_ELF_SUPPORT)
#include "LIEF/ELF/hash.hpp"
#endif
#if defined(LIEF_MACHO_SUPPORT)
#include "LIEF/MachO/hash.hpp"
#endif
#if defined(LIEF_OAT_SUPPORT)
#include "LIEF/OAT/hash.hpp"
#endif
#if defined(LIEF_ART_SUPPORT)
#include "LIEF/ART/hash.hpp"
#endif
#if defined(LIEF_DEX_SUPPORT)
#include "LIEF/DEX/hash.hpp"
#endif
#if defined(LIEF_VDEX_SUPPORT)
#include "LIEF/VDEX/hash.hpp"
#endif
namespace LIEF {
Hash::value_type hash(const Object& v) {
Hash::value_type value = 0;
#if defined(LIEF_PE_SUPPORT)
value = Hash::combine(value, Hash::hash<PE::Hash>(v));
#endif
#if defined(LIEF_ELF_SUPPORT)
value = Hash::combine(value, Hash::hash<ELF::Hash>(v));
#endif
#if defined(LIEF_MACHO_SUPPORT)
value = Hash::combine(value, Hash::hash<MachO::Hash>(v));
#endif
#if defined(LIEF_OAT_SUPPORT)
value = Hash::combine(value, Hash::hash<OAT::Hash>(v));
#endif
#if defined(LIEF_ART_SUPPORT)
value = Hash::combine(value, Hash::hash<ART::Hash>(v));
#endif
#if defined(LIEF_DEX_SUPPORT)
value = Hash::combine(value, Hash::hash<DEX::Hash>(v));
#endif
#if defined(LIEF_VDEX_SUPPORT)
value = Hash::combine(value, Hash::hash<VDEX::Hash>(v));
#endif
return value;
}
Hash::value_type hash(const std::vector<uint8_t>& raw) {
return Hash::hash(raw);
}
Hash::value_type hash(span<const uint8_t> raw) {
return Hash::hash(raw);
}
Hash::~Hash() = default;
Hash::Hash() = default;
Hash::Hash(Hash::value_type init_value) :
value_{init_value}
{}
Hash& Hash::process(const Object& obj) {
value_ = combine(value_, LIEF::hash(obj));
return *this;
}
Hash& Hash::process(size_t integer) {
value_ = combine(value_, std::hash<Hash::value_type>{}(integer));
return *this;
}
Hash& Hash::process(const std::string& str) {
value_ = combine(value_, std::hash<std::string>{}(str));
return *this;
}
Hash& Hash::process(const std::u16string& str) {
value_ = combine(value_, std::hash<std::u16string>{}(str));
return *this;
}
Hash& Hash::process(const std::vector<uint8_t>& raw) {
value_ = combine(value_, Hash::hash(raw));
return *this;
}
Hash& Hash::process(span<const uint8_t> raw) {
value_ = combine(value_, Hash::hash(raw));
return *this;
}
// Static methods
// ==============
Hash::value_type Hash::hash(const std::vector<uint8_t>& raw) {
return hash(raw.data(), raw.size());
}
Hash::value_type Hash::hash(const void* raw, size_t size) {
const auto* start = reinterpret_cast<const uint8_t*>(raw);
std::vector<uint8_t> sha256(32, 0u);
mbedtls_sha256(start, size, sha256.data(), 0);
return std::accumulate(std::begin(sha256), std::end(sha256), size_t(0),
[] (size_t v, uint8_t n) {
return (v << sizeof(uint8_t) * 8u) | n;
});
}
Hash::value_type Hash::hash(span<const uint8_t> raw) {
return hash(raw.data(), raw.size());
}
}