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(Unicode C) Get Certificates from .p12 / .pfxA PKCS12 (.p12 / .pfx) is a container for holding a certificate, its private key, and the certs in the chain of authentication up to and possibly including the root CA cert. A .p12 is not required to contain certain things. It will contain whatever the creator of the .p12 decided to include. It's possible to contain just a private key, just a cert, many certs without private keys, or many certs with many private keys. Usually, a .p12 contains one certificate, its associated private key, and certificates in the chain of authentication.
#include <C_CkPfxW.h> #include <C_CkCertW.h> void ChilkatSample(void) { HCkPfxW pfx; BOOL success; int numCerts; int i; HCkCertW cert; HCkCertW issuer; pfx = CkPfxW_Create(); success = CkPfxW_LoadPfxFile(pfx,L"qa_data/pfx/test.pfx",L"pfx_password"); if (success == FALSE) { wprintf(L"%s\n",CkPfxW_lastErrorText(pfx)); CkPfxW_Dispose(pfx); return; } // Iterate over the certs contained in the PFX numCerts = CkPfxW_getNumCerts(pfx); i = 0; while (i < numCerts) { cert = CkPfxW_GetCert(pfx,i); wprintf(L"--- %d ---\n",i); wprintf(L"%s\n",CkCertW_subjectDN(cert)); // Is this a root cert, or self-signed? wprintf(L"Root: %d\n",CkCertW_getIsRoot(cert)); wprintf(L"Self-Signed: %d\n",CkCertW_getSelfSigned(cert)); // If this certificate is not the root (self-signed), then get the issuer. // If the issuing certificate is contained in the PFX, then it will be found here.. if (CkCertW_getSelfSigned(cert) != TRUE) { issuer = CkCertW_FindIssuer(cert); if (CkCertW_getLastMethodSuccess(cert) == FALSE) { wprintf(L"Issuer not found.\n"); } else { wprintf(L"Issuer: %s\n",CkCertW_subjectDN(issuer)); CkCertW_Dispose(issuer); } } CkCertW_Dispose(cert); i = i + 1; } // Usually, the user certificate is at index 0, its issuer is at index 1, etc. until we get to the root certificate. CkPfxW_Dispose(pfx); } |
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