kmac_mixin.hpp

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/*
This code is written by kerukuro and released into public domain.
*/
 
#ifndef DIGESTPP_MIXINS_KMAC_HPP
#define DIGESTPP_MIXINS_KMAC_HPP
 
namespace digestpp
{
 
namespace mixin
{
 
template<typename T>
class kmac_mixin
{
public:
    inline hasher<T, mixin::kmac_mixin>& set_key(const std::string& key)
    {
        auto& kmac = static_cast<hasher<T, mixin::kmac_mixin>&>(*this);
        kmac.provider.set_key(key);
        kmac.provider.init();
        return kmac;
    }
 
    template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
    inline hasher<T, mixin::kmac_mixin>& set_key(const C* key, size_t key_len)
    {
        return set_key(std::string(reinterpret_cast<const char*>(key), key_len));
    }
 
    inline hasher<T, mixin::kmac_mixin>& set_customization(const std::string& customization)
    {
        auto& kmac = static_cast<hasher<T, mixin::kmac_mixin>&>(*this);
        kmac.provider.set_customization(customization);
        kmac.provider.init();
        return kmac;
    }
 
    template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
    inline hasher<T, mixin::kmac_mixin>& set_customization(const C* customization, size_t customization_len)
    {
        return set_customization(std::string(reinterpret_cast<const char*>(customization), customization_len));
    }
};
 
} // namespace mixin
 
} // namespace digestpp
 
#endif // DIGESTPP_MIXINS_KMAC_HPP