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/* See LICENSE file for copyright and license details. */
#ifndef LIBKECCAK_HEX_H
#define LIBKECCAK_HEX_H 1
#include "internal.h"
#include <stddef.h>
/**
* Convert a binary hashsum to lower case hexadecimal representation
*
* @param output Output array, should have an allocation size of at least `2 * n + 1`
* @param hashsum The hashsum to convert
* @param n The size of `hashsum`
*/
LIBKECCAK_GCC_ONLY(__attribute__((leaf, nonnull, nothrow)))
void libkeccak_behex_lower(char *restrict output, const char *restrict hashsum, size_t n);
/**
* Convert a binary hashsum to upper case hexadecimal representation
*
* @param output Output array, should have an allocation size of at least `2 * n + 1`
* @param hashsum The hashsum to convert
* @param n The size of `hashsum`
*/
LIBKECCAK_GCC_ONLY(__attribute__((leaf, nonnull, nothrow)))
void libkeccak_behex_upper(char *restrict output, const char *restrict hashsum, size_t n);
/**
* Convert a hexadecimal hashsum (both lower case, upper
* case and mixed is supported) to binary representation
*
* @param output Output array, should have an allocation size of at least `strlen(hashsum) / 2`
* @param hashsum The hashsum to convert
*/
LIBKECCAK_GCC_ONLY(__attribute__((leaf, nonnull, nothrow)))
void libkeccak_unhex(char *restrict output, const char *restrict hashsum);
#endif
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