decode
Decode the Asn1Primitive as a BigInteger. assertTag defaults to Asn1Element.Tag.INT, but can be overridden (for implicitly tagged integers, for example)
Throws
Asn1Exception
on invalid input
Decode the Asn1Primitive as a BigInteger. assertTag defaults to Asn1Element.Tag.INT, but can be overridden (for implicitly tagged integers, for example)
on invalid input