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Create Detached Signature using PFXCreates and verifies a detached signature.
#include <CkCrypt2.h> #include <CkCertStore.h> #include <CkCert.h> void ChilkatSample(void) { CkCrypt2 crypt; // Any string argument automatically begins the 30-day trial. bool success; success = crypt.UnlockComponent("30-day trial"); if (success != true) { printf("Crypt component unlock failed\n"); return; } // Create an instance of a certificate store object, load a PFX file, // locate the certificate we need, and use it for signing. // (a PFX file may contain more than one certificate.) CkCertStore certStore; // The 1st argument is the filename, the 2nd arg is the // PFX file's password: success = certStore.LoadPfxFile("chilkat.pfx","test"); if (success != true) { printf("%s\n",certStore.lastErrorText()); return; } CkCert *cert = 0; cert = certStore.FindCertBySubject("Chilkat Software, Inc."); if (cert == 0 ) { printf("%s\n",certStore.lastErrorText()); return; } // Tell the crypt component to use this cert. crypt.SetSigningCert(*cert); // We can sign any type of file, creating a .sig as output: success = crypt.CreateDetachedSignature("test.pdf","test.sig"); if (success == true) { printf("Success!\n"); } printf("%s\n",crypt.lastErrorText()); // Verify and restore the original file: crypt.SetVerifyCert(*cert); success = crypt.VerifyDetachedSignature("test.pdf","test.sig"); if (success == true) { printf("Success!\n"); } printf("%s\n",crypt.lastErrorText()); } |
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