skein_mixin.hpp

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/*
This code is written by kerukuro and released into public domain.
*/
 
#ifndef DIGESTPP_MIXINS_SKEIN_HPP
#define DIGESTPP_MIXINS_SKEIN_HPP
 
namespace digestpp
{
 
namespace mixin
{
 
template<typename T>
class skein_mixin
{
public:
    inline hasher<T, mixin::skein_mixin>& set_personalization(const std::string& personalization)
    {
        auto& skein = static_cast<hasher<T, mixin::skein_mixin>&>(*this);
        skein.provider.set_personalization(personalization);
        skein.provider.init();
        return skein;
    }
 
    template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
    inline hasher<T, mixin::skein_mixin>& set_personalization(const C* personalization, size_t personalization_len)
    {
        return set_personalization(std::string(reinterpret_cast<const char*>(personalization), personalization_len));
    }
 
    inline hasher<T, mixin::skein_mixin>& set_key(const std::string& key)
    {
        auto& skein = static_cast<hasher<T, mixin::skein_mixin>&>(*this);
        skein.provider.set_key(key);
        skein.provider.init();
        return skein;
    }
 
    template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
    inline hasher<T, mixin::skein_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::skein_mixin>& set_nonce(const std::string& nonce)
    {
        auto& skein = static_cast<hasher<T, mixin::skein_mixin>&>(*this);
        skein.provider.set_nonce(nonce);
        skein.provider.init();
        return skein;
    }
 
    template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
    inline hasher<T, mixin::skein_mixin>& set_nonce(const C* nonce, size_t nonce_len)
    {
        return set_nonce(std::string(reinterpret_cast<const char*>(nonce), nonce_len));
    }
};
 
} // namespace mixin
 
} // namespace digestpp
 
#endif