com.amazonaws.cognito.clientcontext.util

Class SignatureGenerator

java.lang.Object

com.amazonaws.cognito.clientcontext.util.SignatureGenerator

public class SignatureGenerator
extends java.lang.Object

Create the signature for context data. It create HMAC_SHA256 for the stringified JSON payload data and then encode it in Base64. Payload contains username, userpoolId and timestamp so these are already factored in the generated signature.

Constructor Summary

Constructors

Constructor and Description
SignatureGenerator()

Method Summary

Modifier and Type	Method and Description
java.lang.String	getSignature(java.lang.String data, java.lang.String secret, java.lang.String version) Generates the signature for the JSON data payload.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SignatureGenerator

public SignatureGenerator()

Method Detail

getSignature

public java.lang.String getSignature(java.lang.String data,
                                     java.lang.String secret,
                                     java.lang.String version)

Generates the signature for the JSON data payload.

Parameters:

data - JSON payload for contextData.

secret - secret key used for generating the signature.

Returns:

signature string for the payload.