$str.evpSign

Returns a signature for a message created using your certificate's private key

Usage

<string> $str.evpSign(<message:string>[,<certificate:string>[,<password:string>]])

Description

This function returns a base64-encoded signature string created signing the provided <message> using the private key of the specified <certificate>.
If the <certificate> parameter is omitted, the private key specified in the kvirc options will be used.
If any error occurs, this function will return an empty string.

Examples

# Emulate a call with no parameters
%message="test message";
%pcert=$file.read($option(stringSSLPrivateKeyPath));
%sign=$str.evpSign(%message,%pcert,$option(stringSSLPrivateKeyPass));

# Sign and verify the signature using the certificates from options
%message="test message";
%sign=$str.evpSign(%message);
if($str.evpVerify(%message, %sign))
{
echo "signature is valid";
} else {
echo "signature is not valid";
}