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falcon: satisfy test_boolean
This commit is contained in:
John M. Schanck
parent
a8c4ac414b
commit
82ae2d3e34
@ -443,7 +443,8 @@ PQCLEAN_FALCON1024_CLEAN_comp_decode(
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return 0;
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}
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}
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x[u] = (int16_t)(s ? -(int)m : (int)m);
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x[u] = (int16_t) m;
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if (s) x[u] = -x[u];
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}
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return v;
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}
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@ -436,8 +436,8 @@ fpr_lt(fpr x, fpr y) {
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*/
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int cc0, cc1;
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cc0 = *(int64_t *)&x < *(int64_t *)&y;
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cc1 = *(int64_t *)&x > *(int64_t *)&y;
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cc0 = ((*(int64_t *)&x - *(int64_t *)&y) >> 63) & 1;
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cc1 = ((*(int64_t *)&y - *(int64_t *)&x) >> 63) & 1;
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return cc0 ^ ((cc0 ^ cc1) & (int)((x & y) >> 63));
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}
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@ -1902,7 +1902,11 @@ zint_add_scaled_mul_small(uint32_t *x, size_t xlen,
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* Get the next word of y (scaled).
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*/
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v = u - sch;
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wy = v < ylen ? y[v] : ysign;
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if (v < ylen) {
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wy = y[v];
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} else {
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wy = ysign;
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}
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wys = ((wy << scl) & 0x7FFFFFFF) | tw;
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tw = wy >> (31 - scl);
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@ -1960,7 +1964,11 @@ zint_sub_scaled(uint32_t *x, size_t xlen,
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* Get the next word of y (scaled).
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*/
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v = u - sch;
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wy = v < ylen ? y[v] : ysign;
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if (v < ylen) {
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wy = y[v];
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} else {
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wy = ysign;
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}
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wys = ((wy << scl) & 0x7FFFFFFF) | tw;
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tw = wy >> (31 - scl);
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@ -2648,10 +2656,16 @@ make_fg(uint32_t *data, const int8_t *f, const int8_t *g,
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return;
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}
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for (d = 0; d < depth; d ++) {
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make_fg_step(data, logn - d, d,
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d != 0, (d + 1) < depth || out_ntt);
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if (depth == 0) return;
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if (depth == 1) {
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make_fg_step(data, logn, 0, 0, out_ntt);
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return;
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}
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make_fg_step(data, logn, 0, 0, 1);
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for (d = 1; d+1 < depth; d ++) {
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make_fg_step(data, logn - d, d, 1, 1);
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}
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make_fg_step(data, logn-depth+1, depth-1, 1, out_ntt);
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}
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/*
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@ -3028,7 +3042,8 @@ solve_NTRU_intermediate(unsigned logn_top,
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* computed so that average maximum length will fall in the
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* middle or the upper half of these top 10 words.
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*/
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rlen = (slen > 10) ? 10 : slen;
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rlen = slen;
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if (rlen > 10) rlen = 10;
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poly_big_to_fp(rt3, ft + slen - rlen, rlen, slen, logn);
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poly_big_to_fp(rt4, gt + slen - rlen, rlen, slen, logn);
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@ -3102,7 +3117,8 @@ solve_NTRU_intermediate(unsigned logn_top,
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* Convert current F and G into floating-point. We apply
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* scaling if the current length is more than 10 words.
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*/
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rlen = (FGlen > 10) ? 10 : FGlen;
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rlen = FGlen;
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if (rlen > 10) rlen = 10;
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scale_FG = 31 * (int)(FGlen - rlen);
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poly_big_to_fp(rt1, Ft + FGlen - rlen, rlen, llen, logn);
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poly_big_to_fp(rt2, Gt + FGlen - rlen, rlen, llen, logn);
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@ -1189,9 +1189,11 @@ PQCLEAN_FALCON1024_CLEAN_sign_tree(int16_t *sig, inner_shake256_context *rng,
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* Normal sampling. We use a fast PRNG seeded from our
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* SHAKE context ('rng').
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*/
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spc.sigma_min = (logn == 10)
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? fpr_sigma_min_10
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: fpr_sigma_min_9;
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if (logn == 10) {
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spc.sigma_min = fpr_sigma_min_10;
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} else {
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spc.sigma_min = fpr_sigma_min_9;
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}
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PQCLEAN_FALCON1024_CLEAN_prng_init(&spc.p, rng);
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samp = PQCLEAN_FALCON1024_CLEAN_sampler;
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samp_ctx = &spc;
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@ -1234,9 +1236,11 @@ PQCLEAN_FALCON1024_CLEAN_sign_dyn(int16_t *sig, inner_shake256_context *rng,
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* Normal sampling. We use a fast PRNG seeded from our
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* SHAKE context ('rng').
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*/
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spc.sigma_min = (logn == 10)
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? fpr_sigma_min_10
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: fpr_sigma_min_9;
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if (logn == 10) {
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spc.sigma_min = fpr_sigma_min_10;
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} else {
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spc.sigma_min = fpr_sigma_min_9;
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}
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PQCLEAN_FALCON1024_CLEAN_prng_init(&spc.p, rng);
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samp = PQCLEAN_FALCON1024_CLEAN_sampler;
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samp_ctx = &spc;
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@ -443,7 +443,8 @@ PQCLEAN_FALCON512_CLEAN_comp_decode(
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return 0;
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}
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}
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x[u] = (int16_t)(s ? -(int)m : (int)m);
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x[u] = (int16_t) m;
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if (s) x[u] = -x[u];
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}
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return v;
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}
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@ -436,8 +436,8 @@ fpr_lt(fpr x, fpr y) {
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*/
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int cc0, cc1;
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cc0 = *(int64_t *)&x < *(int64_t *)&y;
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cc1 = *(int64_t *)&x > *(int64_t *)&y;
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cc0 = ((*(int64_t *)&x - *(int64_t *)&y) >> 63) & 1;
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cc1 = ((*(int64_t *)&y - *(int64_t *)&x) >> 63) & 1;
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return cc0 ^ ((cc0 ^ cc1) & (int)((x & y) >> 63));
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}
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@ -1902,7 +1902,11 @@ zint_add_scaled_mul_small(uint32_t *x, size_t xlen,
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* Get the next word of y (scaled).
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*/
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v = u - sch;
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wy = v < ylen ? y[v] : ysign;
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if (v < ylen) {
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wy = y[v];
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} else {
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wy = ysign;
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}
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wys = ((wy << scl) & 0x7FFFFFFF) | tw;
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tw = wy >> (31 - scl);
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@ -1960,7 +1964,11 @@ zint_sub_scaled(uint32_t *x, size_t xlen,
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* Get the next word of y (scaled).
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*/
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v = u - sch;
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wy = v < ylen ? y[v] : ysign;
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if (v < ylen) {
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wy = y[v];
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} else {
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wy = ysign;
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}
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wys = ((wy << scl) & 0x7FFFFFFF) | tw;
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tw = wy >> (31 - scl);
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@ -2648,10 +2656,16 @@ make_fg(uint32_t *data, const int8_t *f, const int8_t *g,
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return;
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}
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for (d = 0; d < depth; d ++) {
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make_fg_step(data, logn - d, d,
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d != 0, (d + 1) < depth || out_ntt);
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if (depth == 0) return;
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if (depth == 1) {
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make_fg_step(data, logn, 0, 0, out_ntt);
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return;
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}
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make_fg_step(data, logn, 0, 0, 1);
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for (d = 1; d+1 < depth; d ++) {
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make_fg_step(data, logn - d, d, 1, 1);
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}
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make_fg_step(data, logn-depth+1, depth-1, 1, out_ntt);
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}
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/*
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@ -3028,7 +3042,8 @@ solve_NTRU_intermediate(unsigned logn_top,
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* computed so that average maximum length will fall in the
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* middle or the upper half of these top 10 words.
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*/
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rlen = (slen > 10) ? 10 : slen;
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rlen = slen;
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if (rlen > 10) rlen = 10;
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poly_big_to_fp(rt3, ft + slen - rlen, rlen, slen, logn);
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poly_big_to_fp(rt4, gt + slen - rlen, rlen, slen, logn);
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@ -3102,7 +3117,8 @@ solve_NTRU_intermediate(unsigned logn_top,
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* Convert current F and G into floating-point. We apply
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* scaling if the current length is more than 10 words.
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*/
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rlen = (FGlen > 10) ? 10 : FGlen;
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rlen = FGlen;
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if (rlen > 10) rlen = 10;
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scale_FG = 31 * (int)(FGlen - rlen);
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poly_big_to_fp(rt1, Ft + FGlen - rlen, rlen, llen, logn);
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poly_big_to_fp(rt2, Gt + FGlen - rlen, rlen, llen, logn);
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@ -1189,9 +1189,11 @@ PQCLEAN_FALCON512_CLEAN_sign_tree(int16_t *sig, inner_shake256_context *rng,
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* Normal sampling. We use a fast PRNG seeded from our
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* SHAKE context ('rng').
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*/
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spc.sigma_min = (logn == 10)
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? fpr_sigma_min_10
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: fpr_sigma_min_9;
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if (logn == 10) {
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spc.sigma_min = fpr_sigma_min_10;
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} else {
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spc.sigma_min = fpr_sigma_min_9;
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}
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PQCLEAN_FALCON512_CLEAN_prng_init(&spc.p, rng);
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samp = PQCLEAN_FALCON512_CLEAN_sampler;
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samp_ctx = &spc;
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@ -1234,9 +1236,11 @@ PQCLEAN_FALCON512_CLEAN_sign_dyn(int16_t *sig, inner_shake256_context *rng,
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* Normal sampling. We use a fast PRNG seeded from our
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* SHAKE context ('rng').
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*/
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spc.sigma_min = (logn == 10)
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? fpr_sigma_min_10
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: fpr_sigma_min_9;
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if (logn == 10) {
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spc.sigma_min = fpr_sigma_min_10;
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} else {
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spc.sigma_min = fpr_sigma_min_9;
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}
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PQCLEAN_FALCON512_CLEAN_prng_init(&spc.p, rng);
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samp = PQCLEAN_FALCON512_CLEAN_sampler;
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samp_ctx = &spc;
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