static void testSignerIdentity(CuTest *tc) {
int res;
const char id_expected[] = "GT :: testA :: 36-test";
KSI_Signature *sig = NULL;
char *id_actual = NULL;
res = KSI_Signature_fromFile(ctx, getFullResourcePath("resource/tlv/ok-sig-2014-08-01.1.ksig"), &sig);
CuAssert(tc, "Unable to load signature", res == KSI_OK && sig != NULL);
res = KSI_Signature_getSignerIdentity(sig, &id_actual);
CuAssert(tc, "Unable to get signer identity from signature.", res == KSI_OK && id_actual != NULL);
CuAssert(tc, "Unexpected signer identity", !strncmp(id_expected, id_actual, strlen(id_expected)));
KSI_Signature_free(sig);
KSI_free(id_actual);
}
int main(int argc, char **argv) {
KSI_CTX *ksi = NULL;
int res = KSI_UNKNOWN_ERROR;
FILE *in = NULL;
FILE *out = NULL;
KSI_DataHasher *hsr = NULL;
KSI_DataHash *hsh = NULL;
KSI_Signature *sign = NULL;
unsigned char *raw = NULL;
unsigned raw_len;
unsigned char buf[1024];
unsigned buf_len;
char *signerIdentity = NULL;
FILE *logFile = NULL;
/* Handle command line parameters */
/* Handle command line parameters */
if (argc != 7) {
fprintf(stderr, "Usage:\n"
" %s <in-data-file> <out-sign-file> <aggregator-uri> <user> <pass> <pub-file url | -> \n", argv[0]);
res = KSI_INVALID_ARGUMENT;
goto cleanup;
}
/* Input file */
in = fopen(argv[1], "rb");
if (in == NULL) {
fprintf(stderr, "Unable to open input file '%s'\n", argv[1]);
res = KSI_IO_ERROR;
goto cleanup;
}
/* Create new KSI context for this thread. */
res = KSI_CTX_new(&ksi);
if (res != KSI_OK) {
fprintf(stderr, "Unable to create context.\n");
goto cleanup;
}
logFile = fopen("ksi_sign.log", "w");
if (logFile == NULL) {
fprintf(stderr, "Unable to open log file.\n");
}
KSI_CTX_setLoggerCallback(ksi, KSI_LOG_StreamLogger, logFile);
KSI_CTX_setLogLevel(ksi, KSI_LOG_DEBUG);
KSI_LOG_info(ksi, "Using KSI version: '%s'", KSI_getVersion());
res = KSI_CTX_setAggregator(ksi, argv[3], argv[4], argv[5]);
if (res != KSI_OK) goto cleanup;
/* Check publications file url. */
if (strncmp("-", argv[6], 1)) {
res = KSI_CTX_setPublicationUrl(ksi, argv[6]);
if (res != KSI_OK) {
fprintf(stderr, "Unable to set publications file url.\n");
goto cleanup;
}
}
/* Create a data hasher using default algorithm. */
res = KSI_DataHasher_open(ksi, KSI_getHashAlgorithmByName("default"), &hsr);
if (res != KSI_OK) {
fprintf(stderr, "Unable to create hasher.\n");
goto cleanup;
}
/* Read the input file and calculate the hash of its contents. */
while (!feof(in)) {
buf_len = (unsigned)fread(buf, 1, sizeof(buf), in);
/* Add next block to the calculation. */
res = KSI_DataHasher_add(hsr, buf, buf_len);
if (res != KSI_OK) {
fprintf(stderr, "Unable to add data to hasher.\n");
goto cleanup;
}
}
/* Close the data hasher and retreive the data hash. */
res = KSI_DataHasher_close(hsr, &hsh);
if (res != KSI_OK) {
fprintf(stderr, "Unable to create hash.\n");
goto cleanup;
}
/* Sign the data hash. */
res = KSI_createSignature(ksi, hsh, &sign);
if (res != KSI_OK) {
fprintf(stderr, "Unable to sign %d.\n", res);
goto cleanup;
}
res = KSI_Signature_verify(sign, ksi);
if (res != KSI_OK) {
fprintf(stderr, "Failed to verify signature.\n");
goto cleanup;
}
/* Output the signer id */
res = KSI_Signature_getSignerIdentity(sign, &signerIdentity);
if (res == KSI_OK) {
printf("Signer id: %s\n", signerIdentity);
} else {
fprintf(stderr, "Unable to extract signer identity.\n");
}
/* Serialize the signature. */
res = KSI_Signature_serialize(sign, &raw, &raw_len);
if (res != KSI_OK) {
fprintf(stderr, "Unable to serialize signature.");
goto cleanup;
}
/* Output file */
out = fopen(argv[2], "wb");
if (out == NULL) {
fprintf(stderr, "Unable to open input file '%s'\n", argv[2]);
res = KSI_IO_ERROR;
goto cleanup;
}
/* Write the signature file. */
if (!fwrite(raw, 1, raw_len, out)) {
fprintf(stderr, "Unable to write output file.\n");
res = KSI_IO_ERROR;
goto cleanup;
}
/* Only print message when signature output is not stdout. */
if (out != NULL) {
printf("Signature saved.\n");
}
res = KSI_OK;
cleanup:
if (logFile != NULL) fclose(logFile);
if (res != KSI_OK && ksi != NULL) {
KSI_ERR_statusDump(ksi, stderr);
}
if (in != NULL) fclose(in);
if (out != NULL) fclose(out);
KSI_free(signerIdentity);
KSI_Signature_free(sign);
KSI_DataHash_free(hsh);
KSI_DataHasher_free(hsr);
KSI_free(raw);
KSI_CTX_free(ksi);
return res;
}
static void testMedaData(CuTest *tc) {
#define TEST_AGGR_RESPONSE_FILE "resource/tlv/test_meta_data_response.tlv"
int res = KSI_UNKNOWN_ERROR;
KSI_BlockSigner *bs = NULL;
KSI_MetaData *md = NULL;
char data[] = "LAPTOP";
char *clientId[] = { "Alice", "Bob", "Claire", NULL };
size_t i;
KSI_DataHash *hsh = NULL;
KSI_BlockSignerHandle *hndl[] = {NULL, NULL, NULL};
KSI_Signature *sig = NULL;
char *id = NULL;
res = KSI_DataHash_create(ctx, data, strlen(data), KSI_HASHALG_SHA2_256, &hsh);
CuAssert(tc, "Unable to create data hash.", res == KSI_OK && hsh != NULL);
res = KSI_BlockSigner_new(ctx, KSI_HASHALG_SHA2_256, NULL, NULL, &bs);
CuAssert(tc, "Unable to create block signer instance.", res == KSI_OK && bs != NULL);
for (i = 0; clientId[i] != NULL; i++) {
res = createMetaData(clientId[i], &md);
CuAssert(tc, "Unable to create meta-data.", res == KSI_OK && md != NULL);
res = KSI_BlockSigner_addLeaf(bs, hsh, 0, md, &hndl[i]);
CuAssert(tc, "Unable to add leaf to the block signer.", res == KSI_OK && hndl[i] != NULL);
KSI_MetaData_free(md);
md = NULL;
}
res = KSI_CTX_setAggregator(ctx, getFullResourcePathUri(TEST_AGGR_RESPONSE_FILE), TEST_USER, TEST_PASS);
CuAssert(tc, "Unable to set aggregator file URI.", res == KSI_OK);
res = KSI_BlockSigner_close(bs, NULL);
CuAssert(tc, "Unable to close the blocksigner.", res == KSI_OK);
/* Loop over all the handles, and extract the signature. */
for (i = 0; clientId[i] != NULL; i++) {
char expId[0xff];
/* Extract the signature. */
res = KSI_BlockSignerHandle_getSignature(hndl[i], &sig);
CuAssert(tc, "Unable to extract signature.", res == KSI_OK && sig != NULL);
/* Verify the signature. */
res = KSI_verifySignature(ctx, sig);
CuAssert(tc, "Unable to verify the extracted signature.", res == KSI_OK);
/* Extract the id attribution. */
res = KSI_Signature_getSignerIdentity(sig, &id);
CuAssert(tc, "Unable to extract the signer identity.", res == KSI_OK && id != NULL);
/* Create the expected id value. */
KSI_snprintf(expId, sizeof(expId), "%s :: %s", "GT :: GT :: release test :: anon http", clientId[i]);
CuAssert(tc, "Client id not what expected.", !strcmp(id, expId));
/* Cleanup. */
KSI_Signature_free(sig);
sig = NULL;
KSI_free(id);
id = NULL;
KSI_BlockSignerHandle_free(hndl[i]);
}
KSI_DataHash_free(hsh);
KSI_MetaData_free(md);
KSI_BlockSigner_free(bs);
#undef TEST_AGGR_RESPONSE_FILE
}
