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(DataFlex) PKCS11 Find All Certificates on Smart Card or USB TokenSee more PKCS11 ExamplesSample code showing how to examine all the certificates on a smart card or USB token.Note: This example requires Chilkat v9.5.0.88 or later.
Use ChilkatAx-win32.pkg Procedure Test Handle hoPkcs11 Boolean iSuccess Integer iSlotID Boolean iReadWrite Integer iUserType String sPin Integer iNumCerts String sPrivateKeyNote Variant vCert Handle hoCert Integer i String sTemp1 Boolean bTemp1 // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems. Get Create (RefClass(cComChilkatPkcs11)) To hoPkcs11 If (Not(IsComObjectCreated(hoPkcs11))) Begin Send CreateComObject of hoPkcs11 End // Set your shared lib path -- either a full path to the DLL, .so, or .dylib, // or just the filename if the driver is in a location that can be automatically found. (Such as in C:\Windows\System32) Set ComSharedLibPath Of hoPkcs11 To "aetpkss1.dll" Get ComInitialize Of hoPkcs11 To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoPkcs11 To sTemp1 Showln sTemp1 Procedure_Return End // Pass -1 for the slotID to open a session on the first non-empty slot. Move -1 To iSlotID // Open a session. Move True To iReadWrite Get ComOpenSession Of hoPkcs11 iSlotID iReadWrite To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoPkcs11 To sTemp1 Showln sTemp1 Procedure_Return End // Make it an authenticated session by calling Login. // // If we don't authenticate, then we won't be able to see the private keys, and thus // we won't know which certificates have an associated private key stored on the smart card. // The smart card PIN is passed to the Login method. // userType 1 indicates a "Normal User". Move 1 To iUserType Move "0000" To sPin Get ComLogin Of hoPkcs11 iUserType sPin To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoPkcs11 To sTemp1 Showln sTemp1 Get ComCloseSession Of hoPkcs11 To iSuccess Procedure_Return End // Call FindAllCerts to find all certificates on the smart card or USB token. Get ComFindAllCerts Of hoPkcs11 To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoPkcs11 To sTemp1 Showln sTemp1 Get ComCloseSession Of hoPkcs11 To iSuccess Procedure_Return End // The NumCerts property is set by FindAllCerts. Get ComNumCerts Of hoPkcs11 To iNumCerts Showln "Number of certs: " iNumCerts Get Create (RefClass(cComChilkatCert)) To hoCert If (Not(IsComObjectCreated(hoCert))) Begin Send CreateComObject of hoCert End Move 0 To i While (i < iNumCerts) Get pvComObject of hoCert to vCert Get ComGetCert Of hoPkcs11 i vCert To iSuccess Move "" To sPrivateKeyNote Get ComHasPrivateKey Of hoCert To bTemp1 If (bTemp1 = True) Begin Move "(has private key)" To sPrivateKeyNote End Get ComSubjectDN Of hoCert To sTemp1 Showln i ": " sPrivateKeyNote " " sTemp1 Get ComIssuerDN Of hoCert To sTemp1 Showln i ": issuer: " sTemp1 Showln "----" Move (i + 1) To i Loop // Revert to an unauthenticated session by calling Logout. Get ComLogout Of hoPkcs11 To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoPkcs11 To sTemp1 Showln sTemp1 Get ComCloseSession Of hoPkcs11 To iSuccess Procedure_Return End // When finished, close the session. // It is important to close the session (memory leaks will occur if the session is not properly closed). Get ComCloseSession Of hoPkcs11 To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoPkcs11 To sTemp1 Showln sTemp1 Procedure_Return End Showln "Success." End_Procedure |
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