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(Lianja) PKCS11 Import an Existing AES Key onto the HSMSee more PKCS11 ExamplesDemonstrates how to import an existing AES symmetric encrytion key onto the smartcard/token. The imported AES key is a session object, and only exists for the duration of the PKCS11 session. (AES keys are typically used for wrapping/unwrapping RSA and EC keys.) Note: This example requires Chilkat v9.5.0.96 or later.
// 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. loPkcs11 = createobject("CkPkcs11") // Use the PKCS11 driver (.dll, .so, .dylib) for your particular HSM. // (The format of the path will change with the operating system. Obviously, "C:/" is not used on non-Windows systems. loPkcs11.SharedLibPath = "C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll" // Establish a logged-on session. lcPin = "0000" lnUserType = 1 llSuccess = loPkcs11.QuickSession(lnUserType,lcPin) if (llSuccess = .F.) then ? loPkcs11.LastErrorText release loPkcs11 return endif // Generate a 256-bit AES key. // (32 bytes is 256 bits) // Append 32 bytes of random data in the base64 encoding. loSbAesKey = createobject("CkStringBuilder") loSbAesKey.AppendRandom(32,"base64") loAttrs = createobject("CkJsonObject") // Specify the type of object, and the type of key. loAttrs.UpdateString("class","CKO_SECRET_KEY") loAttrs.UpdateString("key_type","CKK_AES") // Add an optional label if desired. loAttrs.UpdateString("label","My AES wrapping/unwrapping key") // Allow the key to be use for wrapping and unwrapping operations. loAttrs.UpdateBool("wrap",.T.) loAttrs.UpdateBool("unwrap",.T.) // Provide the AES key material. loAttrs.UpdateString("value",loSbAesKey.GetAsString()) // Create the object (i.e. create the AES key with the given key material.) // Returns the PKCS11 object handle of the created AES session key. lnObjHandle = loPkcs11.CreatePkcs11Object(loAttrs) if (lnObjHandle = 0) then ? loPkcs11.LastErrorText ? "Failed." else ? "PKCS11 object handle = " + str(lnObjHandle) ? "Successfully created a 256-bit AES session key." endif // Typically, you would do other things in the PKCS11 session that use the handle of AES key we just created. // ... // ... loPkcs11.Logout() loPkcs11.CloseSession() release loPkcs11 release loSbAesKey release loAttrs |
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