Package software.amazon.awssdk.http.auth.aws.internal.signer

Class RollingSigner

java.lang.Object

software.amazon.awssdk.http.auth.aws.internal.signer.RollingSigner

public final class RollingSigner
extends Object

A class which calculates a rolling signature of arbitrary data using HMAC-SHA256. Each time a signature is calculated, the prior calculation is incorporated, hence "rolling".

Constructor Summary

Constructors

Constructor	Description
RollingSigner(byte[] signingKey, String seedSignature)

Method Summary

Modifier and Type	Method	Description
void	reset()
String	sign(Function<String,String> stringToSignTemplate)	Using a template that incorporates the previous calculated signature, sign the string and return it.

Methods inherited from class java.lang.Object

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

Constructor Details

RollingSigner

public RollingSigner(byte[] signingKey,
 String seedSignature)

Method Details

sign

public String sign(Function<String,String> stringToSignTemplate)

Using a template that incorporates the previous calculated signature, sign the string and return it.

reset

public void reset()