libcryfs/src/cpp-utils/crypto/kdf/SCryptParameters.cpp

41 lines
1.3 KiB
C++

#include "SCryptParameters.h"
using std::istream;
using std::ostream;
using cpputils::Data;
namespace cpputils {
Data SCryptParameters::serialize() const {
Serializer serializer(_serializedSize());
serializer.writeUint64(_n);
serializer.writeUint32(_r);
serializer.writeUint32(_p);
serializer.writeTailData(_salt);
return serializer.finished();
}
size_t SCryptParameters::_serializedSize() const {
return _salt.size() + sizeof(uint64_t) + sizeof(uint32_t) + sizeof(uint32_t);
}
SCryptParameters SCryptParameters::deserialize(const cpputils::Data &data) {
Deserializer deserializer(&data);
uint64_t n = deserializer.readUint64();
uint32_t r = deserializer.readUint32();
uint32_t p = deserializer.readUint32();
Data salt = deserializer.readTailData();
deserializer.finished();
return SCryptParameters(std::move(salt), n, r, p);
}
#ifndef CRYFS_NO_COMPATIBILITY
SCryptParameters SCryptParameters::deserializeOldFormat(Deserializer *source) {
uint64_t n = source->readUint64();
uint32_t r = source->readUint32();
uint32_t p = source->readUint32();
Data salt = source->readData();
return SCryptParameters(std::move(salt), n, r, p);
}
#endif
}