com.amazonaws.mturk.util
Class HMACSigner

java.lang.Object
  com.amazonaws.mturk.util.HMACSigner

public class HMACSigner
extends java.lang.Object

The HMACSigner class contains methods to sign strings using HMAC-SHA1 algorithm.

See Also:

http://docs.amazonwebservices.com/AWSMechanicalTurkRequester/2006-10-31/MakingRequests_RequestAuthenticationArticle.html

Constructor Summary

HMACSigner(java.lang.String key)

Method Summary

java.lang.String	sign(java.lang.String toSign) Creates a signature based on the given parameters.
java.lang.String	sign(java.lang.String service, java.lang.String operation, java.util.Calendar timestamp) Creates a signature based on the given parameters.

Methods inherited from class java.lang.Object

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

Constructor Detail

HMACSigner

public HMACSigner(java.lang.String key)

Parameters:

key - Key must be ASCII and correct.

Method Detail

sign

public java.lang.String sign(java.lang.String service,
                             java.lang.String operation,
                             java.util.Calendar timestamp)

Creates a signature based on the given parameters.

Parameters:

service - Name of the AWS service

operation - Name of the operation as defined in the WSDL

timestamp - Time instance that is included in the request

Returns:

A signature

sign

public java.lang.String sign(java.lang.String toSign)

Creates a signature based on the given parameters.

Parameters:

toSign - A string to sign

Returns:

A signature