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(PureBasic) Load Java KeyStore and Access ContentsLoads a Java keystore file and iterates over the contents. A Java keystore (.jks) file can contain one or more trusted root certificate entries and/or one or more private key entries. Each private key entry includes an associated certificate chain. Note: This example requires Chilkat v11.0.0 or greater.
IncludeFile "CkCert.pb" IncludeFile "CkJavaKeyStore.pb" IncludeFile "CkCertChain.pb" IncludeFile "CkPrivateKey.pb" Procedure ChilkatExample() success.i = 0 ; This requires the Chilkat API to have been previously unlocked. ; See Global Unlock Sample for sample code. jks.i = CkJavaKeyStore::ckCreate() If jks.i = 0 Debug "Failed to create object." ProcedureReturn EndIf ; Load the Java keystore from a file. The JKS file password is used ; to verify the keyed digest that is found at the very end of the keystore. ; It verifies there has been no tampering with the file. success = CkJavaKeyStore::ckLoadFile(jks,"jksFilePassword","/someDir/keyStore.jks") If success = 0 Debug CkJavaKeyStore::ckLastErrorText(jks) CkJavaKeyStore::ckDispose(jks) ProcedureReturn EndIf ; Find out how many of each type of entry: numTrustedCerts.i = CkJavaKeyStore::ckNumTrustedCerts(jks) numPrivateKeys.i = CkJavaKeyStore::ckNumPrivateKeys(jks) cert.i = CkCert::ckCreate() If cert.i = 0 Debug "Failed to create object." ProcedureReturn EndIf alias.s ; For each trusted certificate, access it by getting ; it as a cert object. Also get the alias associated with the certificate. Debug "Trusted Certs:" i.i = 0 While i < numTrustedCerts success = CkJavaKeyStore::ckTrustedCertAt(jks,i,cert) Debug CkJavaKeyStore::ckGetTrustedCertAlias(jks,i) + ": " + CkCert::ckSubjectDN(cert) i = i + 1 Wend privKey.i = CkPrivateKey::ckCreate() If privKey.i = 0 Debug "Failed to create object." ProcedureReturn EndIf certChain.i = CkCertChain::ckCreate() If certChain.i = 0 Debug "Failed to create object." ProcedureReturn EndIf ; For each private key entry, get the private key and ; the associated certificate chain. ; Each private key is password protected. Usually it is the same ; password as used for the keyed digest of the entire JKS. ; However, this does not have to be. The password is passed ; here to handle the possibility of each private key requiring ; a different password. Debug "Private Keys:" i = 0 While i < numPrivateKeys CkJavaKeyStore::ckPrivateKeyAt(jks,"jksFilePassword",i,privKey) Debug CkJavaKeyStore::ckGetPrivateKeyAlias(jks,i) CkJavaKeyStore::ckCertChainAt(jks,i,certChain) ; The 1st certificate in the chain is the one associated with the private key. CkCertChain::ckCertAt(certChain,0,cert) Debug CkCert::ckSubjectDN(cert) i = i + 1 Wend CkJavaKeyStore::ckDispose(jks) CkCert::ckDispose(cert) CkPrivateKey::ckDispose(privKey) CkCertChain::ckDispose(certChain) ProcedureReturn EndProcedure |
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