Set CNG cipher key length

This policy setting allows you to configure the number of bits to use when creating the cipher key. This number will be rounded down to a multiple of 8.

If you enable this policy setting, the key bits specified will be used.

If you disable or do not configure this policy setting, the default value will be used.

Supported on: At least Windows 7

Cipher key length

Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\15.0\excel\security\crypto
Value Namecipherkeybits
Value TypeREG_DWORD
Default Value
Min Value0
Max Value1000000

excel15.admx

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