asTr31KeyBlock
Casts this WrappedKeyMaterial as a Tr31KeyBlock and retrieves its kotlin.String value. Throws an exception if the WrappedKeyMaterial is not a Tr31KeyBlock.
Casts this WrappedKeyMaterial as a Tr31KeyBlock and retrieves its kotlin.String value. Throws an exception if the WrappedKeyMaterial is not a Tr31KeyBlock.