gra-projekt/Implementierung/lib/md2.h

#ifndef MD2_H
#define MD2_H

#include <stdint.h>
#include <sys/types.h>

/**
 * @brief Calculates checksum of buf and stores it in out
 *
 * @param len Length of the data at buf
 * @param buf Location of the data
 * @param out Destination array of for the checksum
 */
void md2_hash(size_t len, const uint8_t buf[], uint8_t out[16]);

/**
 * @brief Calculates checksum of buf and appends it to buf
 *
 * @param len Length of data which the checksum should be calculated of
 * @param buf Location of the data. Make sure to reserve 16 bytes more so the
 * chechsum fits!
 */
void md2_checksum(size_t len, uint8_t* buf);

#endif  // MD2_H