Package com.exceptionfactory.jagged.framework.crypto

Interface PayloadKeyProducer

public interface PayloadKeyProducer

Abstraction for producing Payload Key from File Key using HMAC-based Extract-and-Expand Key Derivation Function described in RFC 5869

Method Summary

Modifier and Type	Method	Description
CipherKey	getPayloadKey(FileKey fileKey, PayloadNonceKey payloadNonceKey)	Get Payload Key

Method Details

getPayloadKey

CipherKey getPayloadKey(FileKey fileKey,
 PayloadNonceKey payloadNonceKey)
                 throws GeneralSecurityException

Get Payload Key

Parameters:

fileKey - File Key

payloadNonceKey - Payload Nonce Key

Returns:

Payload Cipher Key

Throws:

GeneralSecurityException - Thrown on key derivation failures