Changes

The updater program will not use a MAR file if one of the known signatures does not verify. If the updater program encounters a Signature ID SignatureAlgorithmID that it does not know about, it will not check the signature, and will proceed to the next signature. This is why there exists a SignatureLength field, so that unknown signatures can be skipped.

Some versions of the updater may not apply a MAR file unless a specific Signature ID SignatureAlgorithmID is inside of them.