z/OS Cryptographic Services ICSF Administrator's Guide
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CP Assist for Cryptographic Functions (CPACF)

z/OS Cryptographic Services ICSF Administrator's Guide
SA22-7521-17

CPACF is a set of cryptographic instructions providing improved performance. The servers support different algorithms:

  • on the IBM eServer zSeries 990 and IBM eServer zSeries 890
    • SHA-1 algorithm is available
  • on the IBM System z9 Enterprise Class and IBM System z9 Business Class
    • SHA-1 algorithm is available
    • SHA-224 and SHA-256 algorithms are available
    • AES algorithm using 128-bit length keys is available
  • on IBM System z10 Enterprise Class, IBM System z10 Business Class, and IBM zEnterprise 196
    • SHA-1 algorithm is available
    • SHA-224, SHA-256, SHA-384 and SHA-512 algorithms are available
    • AES algorithm using 128-, 192-, and 256-bit keys is available

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