Configure CNG cipher chaining mode

Supported on: At least Windows Server 2008 R2 or Windows 7

Registry

HKCU software\policies\microsoft\office\16.0\excel\security\crypto

Options

cipherchaining enum
  • Cipher Block Chaining (CBC) -> ChainingModeCBC
  • Cipher Feedback (CFB) -> ChainingModeCFB

Description

This policy setting allows you to configure the cipher chaining mode used. If you enable this policy setting, the cipher chaining mode specified will be applied. If you disable or do not configure this policy setting, Cipher Block Chaining (CBC) will be the default CNG cipher chaining mode used.