Amazon Developer

as

Settings
Sign out
Notifications
Alexa
Amazon Appstore
Ring
AWS
Documentation
Support
Contact Us
My Cases
Get Started
Design and Develop
Publish
Reference
Support

SigningContext

Represents a signing context. This class provides functionality to create digital signatures, which are used to verify the authenticity and integrity of messages.

Extends

  • BaseCryptoClass

Constructors

new SigningContext()

new SigningContext(): SigningContext

Returns

SigningContext

Methods

sign()

sign(message: ArrayBuffer): Promise<ArrayBuffer>

Sign a message to create a digital signature.

The method handles the hashing of the message internally, so the caller should provide the full, unhashed message data.

Parameters

message

ArrayBuffer

The full message to sign.

Throws

  • If the sign operation fails.

Returns

Promise<ArrayBuffer>

Promise A promise that resolves to the digital signature.


Last updated: Jul 22, 2026