mirror of
https://github.com/henrydcase/pqc.git
synced 2024-11-27 18:01:34 +00:00
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
|
#include "bch.h"
|
||
|
#include "code.h"
|
||
|
#include "parameters.h"
|
||
|
#include "repetition.h"
|
||
|
#include <stdint.h>
|
||
|
#include <string.h>
|
||
|
/**
|
||
|
* @file code.c
|
||
|
* @brief Implementation of tensor code
|
||
|
*/
|
||
|
|
||
|
|
||
|
|
||
|
/**
|
||
|
*
|
||
|
* @brief Encoding the message m to a code word em using the tensor code
|
||
|
*
|
||
|
* First we encode the message using the BCH code, then with the repetition code to obtain
|
||
|
* a tensor code word.
|
||
|
*
|
||
|
* @param[out] em Pointer to an array that is the tensor code word
|
||
|
* @param[in] m Pointer to an array that is the message
|
||
|
*/
|
||
|
void PQCLEAN_HQC256_CLEAN_code_encode(uint64_t *em, const uint64_t *m) {
|
||
|
|
||
|
uint64_t tmp[VEC_N1_SIZE_64] = {0};
|
||
|
|
||
|
PQCLEAN_HQC256_CLEAN_bch_code_encode(tmp, m);
|
||
|
PQCLEAN_HQC256_CLEAN_repetition_code_encode(em, tmp);
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
/**
|
||
|
* @brief Decoding the code word em to a message m using the tensor code
|
||
|
*
|
||
|
* @param[out] m Pointer to an array that is the message
|
||
|
* @param[in] em Pointer to an array that is the code word
|
||
|
*/
|
||
|
void PQCLEAN_HQC256_CLEAN_code_decode(uint64_t *m, const uint64_t *em) {
|
||
|
|
||
|
uint64_t tmp[VEC_N1_SIZE_64] = {0};
|
||
|
|
||
|
PQCLEAN_HQC256_CLEAN_repetition_code_decode(tmp, em);
|
||
|
PQCLEAN_HQC256_CLEAN_bch_code_decode(m, tmp);
|
||
|
|
||
|
|
||
|
}
|