Development Kit User Guide Setup, Samples and Tools Running the Samples Running the classic_applets Samples SignatureMessageRecovery Sample Message Recovery Order of Operations for Signing Message Recovery Order of Operations for Signing The order of operations for signing is as follows: The user invokes a combination of the update and sign methods to generate a signature based on message data provided by the user. The sign method returns an indication to the user of the portion of the message that was included as padding in the signature. This is required so that the user knows what remaining data must still be sent along with the signature block.