100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
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* Copyright 2021 Benjamin Edgington
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include "debug_util.h"
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#ifdef BLST
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//
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// General Utilities
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//
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// Big-endian
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void print_bytes_as_hex(byte *bytes, int start, int len) {
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for (int i = start; i < start + len; i++) {
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printf("%02x", bytes[i]);
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}
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}
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// Little-endian
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void print_bytes_as_hex_le(byte *bytes, int start, int len) {
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for (int i = start + len - 1; i >= start; i--) {
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printf("%02x", bytes[i]);
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}
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}
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//
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// Fr utilities
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//
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// Print a `blst_fr`
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void print_fr(const fr_t *a) {
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scalar_t b;
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blst_scalar_from_fr(&b, a);
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print_bytes_as_hex_le(b.b, 0, 32);
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}
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// Print a vector of Frs
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void print_frs(const char *s, const fr_t *x, uint64_t n) {
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printf("\n----\n");
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for (uint64_t i = 0; i < n; i++) {
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printf("%s %lu: ", s, i);
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print_fr(x + i);
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printf("\n");
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}
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printf("----\n");
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}
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//
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// Fp Utilities
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//
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void print_limbs(const fp_t *fp) {
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printf("(%08lx, %08lx, %08lx, %08lx, %08lx, %08lx)", fp->l[0], fp->l[1], fp->l[2], fp->l[3], fp->l[4], fp->l[5]);
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}
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//
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// G1 and G2 utilities
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//
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void print_p1_bytes(byte p1[96]) {
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printf("[0x");
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print_bytes_as_hex(p1, 0, 48);
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printf(",0x");
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print_bytes_as_hex(p1, 48, 48);
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printf("]\n");
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}
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/* "Pretty" print serialisation of a point in G1 */
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void print_p1(const g1_t *p1) {
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byte p1_bytes[96];
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blst_p1_serialize(p1_bytes, p1);
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print_p1_bytes(p1_bytes);
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}
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/* "Pretty" print internals of a point in G1 */
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void print_p1_limbs(const g1_t *p1) {
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printf("x = ");
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print_limbs(&p1->x);
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printf(", y = ");
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print_limbs(&p1->y);
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printf(", z = ");
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print_limbs(&p1->z);
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printf("\n");
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}
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#endif // BLST
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