33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
#include "H_Q_matrices_generation.h"
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#include "gf2x_arith_mod_xPplusOne.h"
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void PQCLEAN_LEDAKEMLT52_CLEAN_generateHPosOnes_HtrPosOnes(
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POSITION_T HPosOnes[N0][DV],
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POSITION_T HtrPosOnes[N0][DV],
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AES_XOF_struct *keys_expander) {
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for (int i = 0; i < N0; i++) {
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/* Generate a random block of Htr */
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PQCLEAN_LEDAKEMLT52_CLEAN_rand_circulant_sparse_block(&HtrPosOnes[i][0], DV, keys_expander);
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}
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for (int i = 0; i < N0; i++) {
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/* Obtain directly the sparse representation of the block of H */
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for (int k = 0; k < DV; k++) {
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HPosOnes[i][k] = (P - HtrPosOnes[i][k]) % P; /* transposes indexes */
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}
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}
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}
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void PQCLEAN_LEDAKEMLT52_CLEAN_generateQsparse(
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POSITION_T pos_ones[N0][M],
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AES_XOF_struct *keys_expander) {
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for (int i = 0; i < N0; i++) {
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int placed_ones = 0;
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for (int j = 0; j < N0; j++) {
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PQCLEAN_LEDAKEMLT52_CLEAN_rand_circulant_sparse_block(&pos_ones[i][placed_ones],
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qBlockWeights[i][j],
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keys_expander);
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placed_ones += qBlockWeights[i][j];
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}
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}
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}
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