ICSF groups the cryptographic keys into these categories, which correspond to the functions they perform:

• DES master key
• AES master key
• PKA master keys
• Asymmetric master key on the PCICC, PCIXCC, CEX2C, or CEX3C.
• Data-encrypting keys
• Data-translation keys - not supported on the PCIXCC, CEX2C, or CEX3C
• MAC keys
• PIN keys
• Cryptographic Variable keys
• Transport keys
• Key Generating keys
• HMAC keys
• PKA keys