blake2_mixin.hpp

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/*
This code is written by kerukuro and released into public domain.
*/
 
#ifndef DIGESTPP_MIXINS_BLAKE2_HPP
#define DIGESTPP_MIXINS_BLAKE2_HPP
 
namespace digestpp
{
 
namespace mixin
{
 
template<typename T>
class blake2_mixin
{
public:
    inline hasher<T, mixin::blake2_mixin>& set_salt(const std::string& salt)
    {
        return set_salt(salt.c_str(), salt.size());
    }
 
    template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
    inline hasher<T, mixin::blake2_mixin>& set_salt(const C* salt, size_t salt_len)
    {
        auto& blake = static_cast<hasher<T, mixin::blake2_mixin>&>(*this);
        blake.provider.set_salt(reinterpret_cast<const unsigned char*>(salt), salt_len);
        blake.provider.init();
        return blake;
    }
 
    inline hasher<T, mixin::blake2_mixin>& set_personalization(const std::string& personalization)
    {
        return set_personalization(personalization.c_str(), personalization.size());
    }
 
    template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
    inline hasher<T, mixin::blake2_mixin>& set_personalization(const C* personalization, size_t personalization_len)
    {
        auto& blake = static_cast<hasher<T, mixin::blake2_mixin>&>(*this);
        blake.provider.set_personalization(reinterpret_cast<const unsigned char*>(personalization), personalization_len);
        blake.provider.init();
        return blake;
    }
 
    inline hasher<T, mixin::blake2_mixin>& set_key(const std::string& key)
    {
        auto& blake = static_cast<hasher<T, mixin::blake2_mixin>&>(*this);
        blake.provider.set_key(key);
        blake.provider.init();
        return blake;
    }
 
    template<typename C, typename std::enable_if<detail::is_byte<C>::value>::type* = nullptr>
    inline hasher<T, mixin::blake2_mixin>& set_key(const C* key, size_t key_len)
    {
        return set_key(std::string(reinterpret_cast<const char*>(key), key_len));
    }
};
 
 
} // namespace mixin
 
} // namespace digestpp
 
#endif