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43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
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/**
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* @file tensor.c
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* @brief Implementation of tensor code
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*/
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#include "bch.h"
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#include "parameters.h"
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#include "repetition.h"
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#include "tensor.h"
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#include <stdint.h>
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/**
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* @brief Encoding the message m to a code word em using the tensor code
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*
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* First we encode the message using the BCH code, then with the repetition code to obtain
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* a tensor 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_HQC2561CCA2_LEAKTIME_tensor_code_encode(uint8_t *em, const uint8_t *m) {
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uint8_t tmp[VEC_N1_SIZE_BYTES] = {0};
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PQCLEAN_HQC2561CCA2_LEAKTIME_bch_code_encode(tmp, m);
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PQCLEAN_HQC2561CCA2_LEAKTIME_repetition_code_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 tensor 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_HQC2561CCA2_LEAKTIME_tensor_code_decode(uint8_t *m, const uint8_t *em) {
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uint8_t tmp[VEC_N1_SIZE_BYTES] = {0};
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PQCLEAN_HQC2561CCA2_LEAKTIME_repetition_code_decode(tmp, em);
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PQCLEAN_HQC2561CCA2_LEAKTIME_bch_code_decode(m, tmp);
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}
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