```
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".

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`reset()`
`byte[]`	`sign(ByteBuffer chunkBody)`	Using a template that incorporates the previous calculated signature, sign the string and return it.
`byte[]`	`sign(Map<String,List<String>> headerMap)`

public RollingSigner(byte[] seedSignature,
                     software.amazon.awssdk.crt.auth.signing.AwsSigningConfig signingConfig)

sign
```
public byte[] sign(ByteBuffer chunkBody)
```
Using a template that incorporates the previous calculated signature, sign the string and return it.

public byte[] sign(Map<String,List<String>> headerMap)

Class RollingSigner