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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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#include "code.h"
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#include "parameters.h"
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#include "reed_muller.h"
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#include "reed_solomon.h"
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#include <stdint.h>
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#include <string.h>
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/**
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* @file code.c
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* @brief Implementation of concatenated code
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*/
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/**
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*
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* @brief Encoding the message m to a code word em using the concatenated code
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*
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* First we encode the message using the Reed-Solomon code, then with the duplicated Reed-Muller code we obtain
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* a concatenated code word.
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*
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* @param[out] em Pointer to an array that is the tensor code word
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* @param[in] m Pointer to an array that is the message
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*/
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void PQCLEAN_HQCRMRS256_CLEAN_code_encode(uint64_t *em, const uint64_t *m) {
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uint64_t tmp[VEC_N1_SIZE_64] = {0};
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PQCLEAN_HQCRMRS256_CLEAN_reed_solomon_encode(tmp, m);
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PQCLEAN_HQCRMRS256_CLEAN_reed_muller_encode(em, tmp);
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}
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/**
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* @brief Decoding the code word em to a message m using the concatenated code
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*
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* @param[out] m Pointer to an array that is the message
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* @param[in] em Pointer to an array that is the code word
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*/
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void PQCLEAN_HQCRMRS256_CLEAN_code_decode(uint64_t *m, const uint64_t *em) {
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uint64_t tmp[VEC_N1_SIZE_64] = {0};
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PQCLEAN_HQCRMRS256_CLEAN_reed_muller_decode(tmp, em);
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PQCLEAN_HQCRMRS256_CLEAN_reed_solomon_decode(m, tmp);
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}
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