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/*
This code is written by kerukuro and released into public domain.
*/
#ifndef DIGESTPP_MIXINS_BLAKE_HPP
#define DIGESTPP_MIXINS_BLAKE_HPP
namespace digestpp
{
namespace mixin
{
/**
* \brief Defines additional public functions for BLAKE algorithm.
* \sa hasher, blake
*/
template<typename T>
class blake_mixin
{
public:
/**
* \brief Set salt from std::string
*
* Supported salt size is 16 bytes for BLAKE-224, BLAKE-256 and 32 bytes for BLAKE-384, BLAKE-512.
*
* \param[in] salt String with salt
* \throw std::runtime_error if salt size is not supported.
* \return Reference to hasher
*/
inline hasher<T, mixin::blake_mixin>& set_salt(const std::string& salt)
{
return set_salt(salt.c_str(), salt.size());
}
/**
* \brief Set salt from raw buffer
*
* Supported salt size is 16 bytes for BLAKE-224, BLAKE-256 and 32 bytes for BLAKE-384, BLAKE-512.
*
* \param[in] salt Pointer to salt bytes
* \param[in] salt_len Salt length (in bytes)
* \throw std::runtime_error if salt size is not supported.
* \return Reference to hasher
*/
template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
inline hasher<T, mixin::blake_mixin>& set_salt(const C* salt, size_t salt_len)
{
auto& blake = static_cast<hasher<T, mixin::blake_mixin>&>(*this);
blake.provider.set_salt(reinterpret_cast<const unsigned char*>(salt), salt_len);
blake.provider.init();
return blake;
}
};
} // namespace mixin
} // namespace digestpp
#endif
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