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