6a8571d880
Using global defines for parameters (as seems to be typical in academic crypto code) does not play nice with multithreading at all.
126 rindas
3.2 KiB
C
126 rindas
3.2 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include "../xmss.h"
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#include "../params.h"
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#include "../randombytes.h"
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#define MLEN 3491
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#define SIGNATURES 5
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unsigned char mi[MLEN];
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unsigned long long smlen;
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unsigned long long mlen;
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int main()
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{
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xmss_params params;
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// TODO test more different OIDs
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uint32_t oid = 0x01000001;
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xmss_parse_oid(¶ms, oid);
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int r;
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unsigned long long i, j;
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unsigned long errors = 0;
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unsigned char sk[XMSS_OID_LEN + params.privatekey_bytes];
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unsigned char pk[XMSS_OID_LEN + params.publickey_bytes];
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unsigned char mo[MLEN+params.bytes];
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unsigned char sm[MLEN+params.bytes];
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printf("keypair\n");
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xmss_keypair(pk, sk, oid);
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// check pub_seed in SK
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for (i = 0; i < params.n; i++) {
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if (pk[XMSS_OID_LEN+params.n+i] != sk[XMSS_OID_LEN+params.index_len+2*params.n+i]) printf("pk.pub_seed != sk.pub_seed %llu",i);
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if (pk[XMSS_OID_LEN+i] != sk[XMSS_OID_LEN+params.index_len+3*params.n+i]) printf("pk.root != sk.root %llu",i);
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}
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// check index
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unsigned long idx = ((unsigned long)sk[4] << 24) | ((unsigned long)sk[5] << 16) | ((unsigned long)sk[6] << 8) | sk[7];
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if (idx) printf("\nidx != 0 %lu\n",idx);
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for (i = 0; i < SIGNATURES; i++) {
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randombytes(mi, MLEN);
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printf("sign\n");
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xmss_sign(sk, sm, &smlen, mi, MLEN);
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idx = ((unsigned long)sm[0] << 24) | ((unsigned long)sm[1] << 16) | ((unsigned long)sm[2] << 8) | sm[3];
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printf("\nidx = %lu\n",idx);
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for (j = 0; j < smlen; j++) {
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printf("%02X", sm[j]);
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}
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printf("\n");
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r = memcmp(mi, sm+params.bytes,MLEN);
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printf("%d\n", r);
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/* Test valid signature */
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printf("verify\n");
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r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
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printf("%d\n", r);
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if (r != 0) errors++;
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r = memcmp(mi,mo,MLEN);
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printf("%d\n", r);
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printf("%llu\n", MLEN-mlen);
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/* Test with modified message */
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sm[params.bytes+10] ^= 1;
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r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
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printf("%d\n", r+1);
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if (r == 0) errors++;
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r = memcmp(mi,mo,MLEN);
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printf("%d\n", (r!=0) - 1);
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printf("%llu\n", mlen+1);
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/* Test with modified signature */
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/* Modified index */
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sm[params.bytes+10] ^= 1;
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sm[2] ^= 1;
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r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
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printf("%d\n", r+1);
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if (r == 0) errors++;
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r = memcmp(mi,mo,MLEN);
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printf("%d\n", (r!=0) - 1);
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printf("%llu\n", mlen+1);
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/* Modified R */
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sm[2] ^= 1;
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sm[5] ^= 1;
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r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
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printf("%d\n", r+1);
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if (r == 0) errors++;
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r = memcmp(mi,mo,MLEN);
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printf("%d\n", (r!=0) - 1);
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printf("%llu\n", mlen+1);
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/* Modified OTS sig */
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sm[5] ^= 1;
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sm[240] ^= 1;
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r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
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printf("%d\n", r+1);
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if (r == 0) errors++;
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r = memcmp(mi,mo,MLEN);
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printf("%d\n", (r!=0) - 1);
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printf("%llu\n", mlen+1);
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/* Modified AUTH */
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sm[240] ^= 1;
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sm[params.bytes - 10] ^= 1;
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r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
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printf("%d\n", r+1);
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if (r == 0) errors++;
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r = memcmp(mi,mo,MLEN);
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printf("%d\n", (r!=0) - 1);
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printf("%llu\n", mlen+1);
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}
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printf("#errors = %lu\n", errors);
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return 0;
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}
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