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93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
/*
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* t-eddsa.c - testing EdDSA
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* Copyright (C) 2014 Free Software Initiative of Japan
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* Author: NIIBE Yutaka <gniibe@fsij.org>
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*
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* Run following commands. The file t-ed25519.inp is available in GNU
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* libgcrypt source code under 'tests' directory.
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gcc -Wall -c -DBN256_C_IMPLEMENTATION ecc-mont.c
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gcc -Wall -c -DBN256_NO_RANDOM -DBN256_C_IMPLEMENTATION bn.c
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gcc -Wall -c mod.c
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gcc -Wall -c -DBN256_C_IMPLEMENTATION mod25638.c
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gcc -Wall -c t-mont.c
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gcc -Wall -c debug-bn.c
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gcc -o t-mont t-mont.o ecc-mont.o bn.o mod.o mod25638.o debug-bn.o
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*
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include "bn.h"
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const uint8_t k[32] = {
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0x30, 0x01, 0x33, 0xE7, 0xDC, 0x52, 0xAD, 0x9F,
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0x89, 0xFE, 0xC0, 0x59, 0x4A, 0x6D, 0x65, 0xE5,
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0xF8, 0x7A, 0xD6, 0xA9, 0xA4, 0x89, 0x00, 0xB1,
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0x93, 0x7E, 0xD3, 0x6F, 0x09, 0x1E, 0xB7, 0x76,
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};
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int
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main (int argc, char *argv[])
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{
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int all_good = 1;
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int r;
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bn256 *pk;
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bn256 a[1];
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uint8_t out[32];
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extern void ecdh_decrypt_curve25519 (const uint8_t *input,
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uint8_t *output,
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const bn256 *k);
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extern uint8_t *ecdh_compute_public_25519 (const uint8_t*k);
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extern void print_le_bn256 (const bn256 *X);
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while (1)
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{
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#if 0
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hash[0] &= 248;
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hash[31] &= 127;
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hash[31] |= 64;
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memcpy (a, hash, sizeof (bn256)); /* Lower half of hash */
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#endif
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pk = ecdh_compute_public_25519 (k);
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print_le_bn256 (pk);
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return 0;
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#if 0
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if (memcmp (pk, pk_calculated, sizeof (bn256)) != 0)
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{
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printf ("ERR PK: %d\n", test_no);
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print_be_bn256 (sk);
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print_be_bn256 (pk);
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print_be_bn256 (pk_calculated);
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all_good = 0;
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continue;
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}
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ecdh_decrypt_25519 (msg, out, a);
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if (memcmp (sig, R, sizeof (bn256)) != 0
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|| memcmp (((const uint8_t *)sig)+32, S, sizeof (bn256)) != 0)
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{
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printf ("ERR SIG: %d\n", test_no);
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print_le_bn256 (R);
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print_le_bn256 (S);
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print_le_bn256 ((const bn256 *)sig);
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print_le_bn256 ((const bn256 *)(((const uint8_t *)sig)+32));
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all_good = 0;
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continue;
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}
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printf ("%d\n", test_no);
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#endif
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}
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return all_good == 1?0:1;
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}
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