2.4.1.4 Public Key Length
The key length of the public-private key pair associated with the certificate. For more information, see [RFC3447].
Value: "KeyLength" or one of the value names specified in the table in [MS-GPREG] section 3.2.5.1 specifying how the value is deleted.
Type: REG_DWORD.
Size: Equal to size of the Data field.
Data: A 32-bit value consisting of the public key length. The minimum "Public Key Length" expected is 0x00000800. If the "Public Key Length" is less than 0x00000800, the Data received from group policy is ignored, and the "Public Key Length" field is set to 0x00000800.