C
C
CAdES BES Detached Signature
See more Encryption Examples
Demonstrates how to create a CAdES BES detached signature file (.p7s).Chilkat C Downloads
#include <C_CkCrypt2.h>
#include <C_CkCert.h>
void ChilkatSample(void)
{
BOOL success;
HCkCrypt2 crypt;
const char *pfxPath;
const char *pfxPassword;
HCkCert cert;
const char *inFile;
const char *sigFile;
success = FALSE;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
crypt = CkCrypt2_Create();
// Use a digital certificate and private key from a PFX file (.pfx or .p12).
pfxPath = "/Users/chilkat/testData/pfx/acme.pfx";
pfxPassword = "test123";
cert = CkCert_Create();
success = CkCert_LoadPfxFile(cert,pfxPath,pfxPassword);
if (success != TRUE) {
printf("%s\n",CkCert_lastErrorText(cert));
CkCrypt2_Dispose(crypt);
CkCert_Dispose(cert);
return;
}
// Tell the crypt component to use this cert.
success = CkCrypt2_SetSigningCert(crypt,cert);
if (success != TRUE) {
printf("%s\n",CkCrypt2_lastErrorText(crypt));
CkCrypt2_Dispose(crypt);
CkCert_Dispose(cert);
return;
}
// The CadesEnabled property applies to all methods that create PKCS7 signatures.
// To create a CAdES-BES signature, set this property equal to true.
CkCrypt2_putCadesEnabled(crypt,TRUE);
// We can sign any type of file, creating a .p7s as output:
inFile = "/Users/chilkat/testData/pdf/sample.pdf";
sigFile = "/Users/chilkat/testData/p7s/sample.p7s";
// Create the detached CAdES-BES signature:
success = CkCrypt2_CreateP7S(crypt,inFile,sigFile);
if (success == FALSE) {
printf("%s\n",CkCrypt2_lastErrorText(crypt));
CkCrypt2_Dispose(crypt);
CkCert_Dispose(cert);
return;
}
success = CkCrypt2_VerifyP7S(crypt,inFile,sigFile);
if (success == FALSE) {
printf("%s\n",CkCrypt2_lastErrorText(crypt));
CkCrypt2_Dispose(crypt);
CkCert_Dispose(cert);
return;
}
printf("Success!\n");
CkCrypt2_Dispose(crypt);
CkCert_Dispose(cert);
}