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(Chilkat2-Python) ScMinidriver - Get Public Keys from Smart Card Key ContainerSee more ScMinidriver ExamplesDemonstrates how to query a key container on a smart card (or USB token) to get the public part of the private keys that are present. A key container can hold two separate private keys -- one in the "signature" position, and the other in the "key exchange" position.
import sys import chilkat2 # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. # Chilkat recommends the following free tool for interactively examining the contents of your smart card # through the ScMinidriver interface: MGTEK Tool for Minidriver enabled Smart Cards # Let's first look at our smart card.. # Here's the view of our Gemalto (Thales) IDPrime MD T=0 smart card in the MGTEK tool: scmd = chilkat2.ScMinidriver() # First we need to acquire a context to the smart card in the reader where it is inserted. # Reader names (smart card readers or USB tokens) can be discovered # via List Readers or Find Smart Cards readerName = "Alcor Micro USB Smart Card Reader 0" success = scmd.AcquireContext(readerName) if (success == False): print(scmd.LastErrorText) sys.exit() # If successful, the name of the currently inserted smart card is available: print("Card name: " + scmd.CardName) # We likely shouldn't need to authenticate with the smart card (use a PIN) to simply get a public key, # so we can skip the PIN authenticatin step.. # Let's get the key(s) present in Container #7. # In our case (shown in the image above), there is a private key in the "key exchange" position, but no key in the "signature" position. pubkey_sig = chilkat2.PublicKey() pubkey_kex = chilkat2.PublicKey() success = scmd.GetContainerKeys(7,pubkey_sig,pubkey_kex) if (success == False): print(scmd.LastErrorText) sys.exit() if (pubkey_sig.Empty == True): print("No signature key is present.") else: print("Signature key:") print(pubkey_sig.GetPem(True)) if (pubkey_kex.Empty == True): print("No Key Exchange key is present.") else: print("Key Exchange key:") print(pubkey_kex.GetPem(True)) scmd.DeleteContext() print("Success.") # Here's the output of the above sample code: # Card name: IDPrime MD T=0 # No signature key is present. # Key Exchange key: # -----BEGIN RSA PUBLIC KEY----- # MIIBCgKCAQEAsXeRhM55P13FbpNcXAMR3olbw2Wa6keZIHu5YTZYUBTlYWId+pNi # wUz3zFIEo+0IfYR0H27ybIycQO+1IIzJofUFNMAL3tZps2OKPlsjuCPls6kXpXhv # /gvhux8LrCtp4PcKWqJ6QVOZKChc7WAx40qFWzHi57ueqRTv3x0kESqGg/VjsqyT # Evb55psJO2RsfhLT7+YVh3hImRM3RDaJdkTkPuOxeFyT6N7VXD09329sLuS3QkUb # E9zEKDnz9X3d8dEQdJhSI9ba5fxl8R7fu8pB67ElfzFml96X1jLFtzy1pzOT5Fc4 # ROcaqlYckVzdBq9sxezm6MYmDBjNAcibRwIDAQAB # -----END RSA PUBLIC KEY----- |
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