Reference DigitalSignaturesStandaloneSigningServiceData

Interface StandaloneSigningServiceData

Standalone only

Contains information needed for signing with Nutrient backend in standalone mode. Supports the following backends:

Document Engine (requires Document Engine >= 1.6.0)
DWS

The document loaded in your instance will not be transferred over the network. Instead, Web SDK prepares the document locally, applies preparation options such as flatten, position, formFieldName, appearance, and placeholderSize, and sends only the prepared hash/bytes plus signing parameters to the backend. The backend performs the cryptographic signing, and Web SDK embeds the digital signature into the document locally.

Uses JSON Web Token (JWT) to authorize with the NutrientViewer backend. See Document Engine's API Reference for more details about the JWT authorization.

InterfaceStandaloneSince Document Engine 1.6.0

Example

Signing document in Web standalone via NutrientViewer backend

instance.signDocument(null, {
  jwt: "<auth_token>"
})
  .then(function () {
    console.log("The document has been signed!");
  });

Properties

jwt

string

Authentication token needed to authenticate the signing request with the backend.

serverUrl

Optional

string

Base server URL to use as the signing backend.

The <server_url>/api/sign_hash is used as the signing endpoint and <server_url>/api/get_certificates is used to retrieve the certificates.

signingToken

Optional

string

Optional signing token to be passed by the backend to the signing service. Valid only when signing via Document Engine.