Sha512.hpp

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#ifndef IV_SRC_CRYPTO_SHA512_HPP_
#define IV_SRC_CRYPTO_SHA512_HPP_
 
#include <cstdint>
#include <string>
#include <vector>
 
//https://github.com/pr0f3ss/SHA extraido de aquí
class Sha512 final
{
public:
    Sha512() = default;
 
    Sha512(const Sha512 &other) = delete;
    Sha512(Sha512 &&other) = delete;
 
    ~Sha512() = default;
 
    Sha512 &operator=(const Sha512 &other) = delete;
    Sha512 &operator=(const Sha512 &&other) = delete;
 
    static std::vector<std::byte> digest(void *input, uint32_t input_length);
 
private:
    static uint64_t **preprocess(const unsigned char *input, uint32_t &nBuffer);
    static void appendLen(size_t l, uint64_t &lo, uint64_t &hi);
    static void process(uint64_t **buffer, size_t nBuffer, uint64_t *h);
    static void freeBuffer(uint64_t **buffer, size_t nBuffer);
};
 
#endif//IV_SRC_CRYPTO_SHA512_HPP_