SecureBlackbox 2020 Node.js Edition

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Sign Method

Signs a buffer.

Syntax

publickeycrypto.sign(buffer_Buffer, detached, [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, buffer){ }

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

'buffer' is the value returned by the method.

'err' has 2 properties which hold detailed information:

err.code
err.message

Remarks

Use this method to sign a byte array and get the protected message in another byte array. Set the Detached parameter to false to create an enveloped/enveloping, rather than detached signature.Please note that certain signature algorithms/kinds only support detached signing.

Specify the signing key in Key property before commencing the signing.

Please note that the key assigned must have a private key part.

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