IPWorks S/MIME 2020 Node.js Edition

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SigningAlgorithm Property

Textual description of the signature hash algorithm.

Syntax

 spop.getSigningAlgorithm([callback])
 spop.setSigningAlgorithm( signingAlgorithm, [callback])

Default Value

"SHA256"

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 the getSigningAlgorithm([callback]) method is defined as:

function(err, data){ }

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

'data' is the value returned by the method.

The callback for the setSigningAlgorithm([callback]) 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

This property specifies the hash algorithm used to prepare the message digest for signature.

This property must contain either the name of the algorithm (such as "MD5" or "SHA1"), or an object id (OID) string representing the hash algorithm. Possible values are:

  • sha1
  • md5
  • sha-256 (default)
  • sha-384
  • sha-512
  • sha-224

When read, the value of the property always contains the OID of the algorithm, or an empty string if the algorithm is unknown.

Data Type

String

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IPWorks S/MIME 2020 Node.js Edition - Version 20.0 [Build 8154]