IBM Computer Hardware 2 Uživatelský manuál stáhnout pdf (Strana 215)

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CCA Release 2.54 Key_Token_Change

Key_Identifier

The key_identifier parameter is a pointer to a string variable containing the DES

internal key-token or the key label of an internal key-token record in key

storage.

Figure 5-16. Key_Token_Change Rule_Array Keywords

Keyword Meaning

RTCMK Reenciphers a DES key to the current master-key in an

internal key-token in application storage or in key storage If

the supplied key is already enciphered under the current

master-key the verb returns a positive response (return code,

reason code — 0, 0). If the supplied key is enciphered under

the old master-key, the key will be updated to encipherment

by the current master-key and the verb returns a positive

response (return code, reason code — 0, 0). Other cases

return some form of abnormal response.

Required Commands

If you specify RTCMK keyword, the Key_Token_Change verb requires the

Reencipher to Current Master Key command (offset X'0090') to be enabled in the

hardware.

Chapter 5. DES Key-Management 5-65

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