NOTE: For Version 3 of the AWS SDK for PHP, please see the V3 User Guide and V3 API Reference.

# Namespace Aws\Common\Signature

## Classes summary

AbstractSignature | Interface used to provide interchangeable strategies for signing requests using the various AWS signature protocols.
SignatureListener | Listener used to sign requests before they are sent over the wire
SignatureV2 | Implementation of Signature Version 2
SignatureV3Https | Implementation of Signature Version 3 HTTPS
SignatureV4 | Signature Version 4

## Interfaces summary

EndpointSignatureInterface | Interface for signatures that use specific region and service names when signing requests.
SignatureInterface | Interface used to provide interchangeable strategies for signing requests using the various AWS signature protocols.