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OSX 10.14 Mojave - man page for mail::dkim::algorithm::base5.18 (mojave section 3)

Mail::DKIM::Algorithm::Base(3)				User Contributed Perl Documentation			    Mail::DKIM::Algorithm::Base(3)

Mail::DKIM::Algorithm::Base - base class for DKIM "algorithms"
my $algorithm = new Mail::DKIM::Algorithm::rsa_sha1( Signature => $dkim_signature ); # add headers $algorithm->add_header("Subject: this is the subject1512"); $algorithm->finish_header; # add body $algorithm->add_body("This is the body.1512"); $algorithm->add_body("Another line of the body.1512"); $algorithm->finish_body; # now sign or verify... # TODO...
You should not create an object of this class directly. Instead, use one of the DKIM algorithm implementation classes, such as rsa_sha1: my $algorithm = new Mail::DKIM::Algorithm::rsa_sha1( Signature => $dkim_signature );
add_body() - feeds part of the body into the algorithm/canonicalization $algorithm->add_body("This is the body.1512"); $algorithm->add_body("Another line of the body.1512"); The body should be fed one "line" at a time. add_header() - feeds a header field into the algorithm/canonicalization $algorithm->add_header("Subject: this is the subject1512"); The header must start with the header field name and continue through any folded lines (including the embedded <CRLF> sequences). It terminates with the <CRLF> at the end of the header field. finish_body() - signals the end of the message body $algorithm->finish_body Call this method when all lines from the body have been submitted. After calling this method, use sign() or verify() to get the results from the algorithm. finish_header() - signals the end of the header field block $algorithm->finish_header; Call this method when all the headers have been submitted. sign() - generates a signature using a private key $base64 = $algorithm->sign($private_key); signature() - get/set the signature worked on by this algorithm my $old_signature = $algorithm->signature; $algorithm->signature($new_signature); verify() - verifies a signature $result = $algorithm->verify(); Must be called after finish_body(). The result is a true/false value: true indicates the signature data is valid, false indicates it is invalid. For an invalid signature, details may be obtained from $algorithm->{verification_details} or $@.
Jason Long, <>
Copyright (C) 2005-2007 by Messiah College This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.6 or, at your option, any later version of Perl 5 you may have available. perl v5.18.2 2012-11-28 Mail::DKIM::Algorithm::Base(3)

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