xmss-KAT-generator/test/xmssmt_open.c
Joost Rijneveld b8eb8c44a1
Add UI test files to create sample signatures
This makes it easier to mix and match with other implementations
for compatibility testing.
2017-10-17 17:11:18 +02:00

48 lines
1.2 KiB
C

#include "../params.h"
#include "../xmss_core.h"
#include <stdio.h>
#define MLEN 32
int main(int argc, char **argv) {
FILE *keypair;
xmss_params params;
uint32_t oid;
int ret;
if (argc != 2) {
fprintf(stderr, "Expected keypair filename as only parameter, "
"and the message + signature via stdin.\n"
"Keypair file needs only to contain the public key.\n"
"The return code 0 indicates verification success.\n");
return -1;
}
keypair = fopen(argv[1], "rb");
if (keypair == NULL) {
return -1;
}
fread(&oid, 1, XMSS_OID_LEN, keypair);
xmssmt_parse_oid(&params, oid);
unsigned char pk[params.publickey_bytes];
unsigned char sm[params.bytes + MLEN];
unsigned char m[params.bytes + MLEN];
unsigned long long mlen;
fread(pk, 1, params.publickey_bytes, keypair);
fread(sm, 1, params.bytes + MLEN, stdin);
ret = xmssmt_core_sign_open(&params, m, &mlen, sm, params.bytes + MLEN, pk);
if (ret) {
printf("Verification failed!\n");
}
else {
printf("Verification succeeded.\n");
}
return ret;
}