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MS-CHAP Password Management Constants

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The MS-CHAP Password Management API uses the following constants.

Constant/value Description
CYPHER_BLOCK_LENGTH
8
 The defined length of the [CYPHER_BLOCK](/previous-versions/windows/desktop/api/MsChapp/ns-mschapp-_cypher_block) structure, in bytes.
[!Note]
The value of CYPHER_BLOCK_LENGTH is determined by the minimum number of bytes used by the Data Encryption Standard (DES) cipher in MS-CHAP password management.

Requirements
Minimum supported client
 Windows XP [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
Header
MsChapp.h