SecureBlackbox 2020 Node.js Edition

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VerifyFile Method

Verifies an enveloped or enveloping signature contained in a file.

Syntax

publickeycrypto.verifyFile(sourceFile, destFile, [callback])

Callback

The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).

The callback for this method is defined as:

function(err){ }

'err' is the error that occurred. If there was no error, then 'err' is 'null'.

'err' has 2 properties which hold detailed information:

err.code
err.message

Remarks

Use this method to verify an enveloped or enveloping signature and extract the original signed message to another file.

The validation result is stored in SignatureValidationResult property.

Specify the public verification key in Key property before commencing the validation.

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SecureBlackbox 2020 Node.js Edition - Version 20.0 [Build 8165]