z/OS Cryptographic Services ICSF Application Programmer's Guide
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ANSI X9.17 Transport Key Partial Notarize (CSNATKN and CSNGTKN)

z/OS Cryptographic Services ICSF Application Programmer's Guide
SA22-7522-16

Use the ANSI X9.17 transport key partial notarize callable service to preprocess an ANSI X9.17 transport key-encrypting key with origin and destination identifiers. ICSF completes the notarization process when you use the partially notarized key in the ANSI X9.17 key export, ANSI X9.17 key import, or ANSI X9.17 key translate services and specify the CPLT-NOT rule_array keyword.

Note:
You cannot reverse the partial notarization process. If you want to keep the original value of the AKEK, you must record the value.

Restriction: This service is only supported on an IBM eServer zSeries 900.

The callable service name for AMODE(64) invocation is CSNGTKN.

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