Package com.exceptionfactory.jagged.framework.crypto

Interface HeaderKeyProducer

public interface HeaderKeyProducer

Abstraction for producing Header MAC Key using HMAC-based Extract-and-Expand Key Derivation Function described in RFC 5869

Method Summary

Modifier and Type	Method	Description
MacKey	getHeaderKey(FileKey fileKey)	Get derived Header Message Authentication Code Key

Method Details

getHeaderKey

MacKey getHeaderKey(FileKey fileKey)
             throws GeneralSecurityException

Get derived Header Message Authentication Code Key

Parameters:

fileKey - File Key

Returns:

Message Authentication Code Header Key

Throws:

GeneralSecurityException - Thrown on key derivation failures