Chilkat2-Python

PKCS11 Generate Secret Key (such as AES)

See more PKCS11 Examples

Generates a symmetric secret key such as AES on the HSM.

Note: This example requires Chilkat v9.5.0.96 or later.

Chilkat2-Python

import sys
import chilkat2

success = False

# 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.

pkcs11 = chilkat2.Pkcs11()

# 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.
pkcs11.SharedLibPath = "C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll"

# Establish a logged-on session.
pin = "0000"
userType = 1
success = pkcs11.QuickSession(userType,pin)
if (success == False):
    print(pkcs11.LastErrorText)
    sys.exit()

# Let's generate a 256-bit AES key on the token, which will exist for the duration of this session.
# Symmetric keys, such as AES keys, are typically created (or imported) and used during a single session.

# Other possible values for keyType are "AES XTS", "Blowfish", "Twofish", "ChaCha20", and others. 
# In virtually all cases, you'll want to create an AES key.
keyType = "AES"

# Specify attributes and abilities (how this key can be used) by providing a JSON template.
json = chilkat2.JsonObject()

# The key can be extracted or wrapped.
json.UpdateBool("extractable",True)

# Allow the key to be used for encryption, decryption, wrapping other keys, and unwrapping other keys.
json.UpdateBool("encrypt",True)
json.UpdateBool("decrypt",True)
json.UpdateBool("wrap",True)
json.UpdateBool("unwrap",True)

# Indicate a 256-bit AES key is to be generated by setting the value_len attribute equal to the key size in bytes.
# (32 bytes * 8 bits/byte = 256 bits)
json.UpdateInt("value_len",32)

keyHandle = pkcs11.GenSecretKey(keyType,json)
if (keyHandle == 0):
    print(pkcs11.LastErrorText)
    print("Failed to generate an AES key.")
else:
    print("key handle = " + str(keyHandle))
    print("Success.")

pkcs11.Logout()
pkcs11.CloseSession()