1Mail::DKIM::Algorithm::UBsaesre(C3o)ntributed Perl DocumMeanitla:t:iDoKnIM::Algorithm::Base(3)
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NAME

6       Mail::DKIM::Algorithm::Base - base class for DKIM "algorithms"
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VERSION

9       version 1.20220520
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SYNOPSIS

12         my $algorithm = new Mail::DKIM::Algorithm::rsa_sha1(
13                             Signature => $dkim_signature
14                         );
15
16         # add headers
17         $algorithm->add_header("Subject: this is the subject\015\012");
18         $algorithm->finish_header;
19
20         # add body
21         $algorithm->add_body("This is the body.\015\012");
22         $algorithm->add_body("Another line of the body.\015\012");
23         $algorithm->finish_body;
24
25         # now sign or verify...
26         # TODO...
27

CONSTRUCTOR

29       You should not create an object of this class directly. Instead, use
30       one of the DKIM algorithm implementation classes, such as rsa_sha1:
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32         my $algorithm = new Mail::DKIM::Algorithm::rsa_sha1(
33                             Signature => $dkim_signature
34                         );
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METHODS

37   add_body() - feeds part of the body into the algorithm/canonicalization
38         $algorithm->add_body("This is the body.\015\012");
39         $algorithm->add_body("Another line of the body.\015\012");
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41       The body should be fed one "line" at a time.
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43   add_header() - feeds a header field into the algorithm/canonicalization
44         $algorithm->add_header("Subject: this is the subject\015\012");
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46       The header must start with the header field name and continue through
47       any folded lines (including the embedded <CRLF> sequences). It
48       terminates with the <CRLF> at the end of the header field.
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50   finish_body() - signals the end of the message body
51         $algorithm->finish_body
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53       Call this method when all lines from the body have been submitted.
54       After calling this method, use sign() or verify() to get the results
55       from the algorithm.
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57   finish_header() - signals the end of the header field block
58         $algorithm->finish_header;
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60       Call this method when all the headers have been submitted.
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62   sign() - generates a signature using a private key
63         $base64 = $algorithm->sign($private_key);
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65   signature() - get/set the signature worked on by this algorithm
66         my $old_signature = $algorithm->signature;
67         $algorithm->signature($new_signature);
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69   verify() - verifies a signature
70         $result = $algorithm->verify();
71
72       Must be called after finish_body().
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74       The result is a true/false value: true indicates the signature data is
75       valid, false indicates it is invalid.
76
77       For an invalid signature, details may be obtained from
78       $algorithm->{verification_details} or $@.
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SEE ALSO

81       Mail::DKIM
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AUTHORS

84       •   Jason Long <jason@long.name>
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86       •   Marc Bradshaw <marc@marcbradshaw.net>
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88       •   Bron Gondwana <brong@fastmailteam.com> (ARC)
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THANKS

91       Work on ensuring that this module passes the ARC test suite was
92       generously sponsored by Valimail (https://www.valimail.com/)
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95       •   Copyright (C) 2013 by Messiah College
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97       •   Copyright (C) 2010 by Jason Long
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99       •   Copyright (C) 2017 by Standcore LLC
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101       •   Copyright (C) 2020 by FastMail Pty Ltd
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103       This library is free software; you can redistribute it and/or modify it
104       under the same terms as Perl itself, either Perl version 5.8.6 or, at
105       your option, any later version of Perl 5 you may have available.
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109perl v5.36.0                      2022-07-22    Mail::DKIM::Algorithm::Base(3)
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