c68c5fbe14
* lisp/editorconfig-tools.el: * lisp/emacs-lisp/shorthands.el: * lisp/info-xref.el: * lisp/international/quail.el: * lisp/international/rfc1843.el: * lisp/mail/ietf-drums.el: * lisp/mail/rfc2047.el: * lisp/mail/yenc.el: * lisp/net/pop3.el: * lisp/net/sasl-scram-sha256.el: * lisp/net/shr-color.el: * lisp/progmodes/grep.el: * lisp/scroll-bar.el: * lisp/textmodes/emacs-news-mode.el: * lisp/textmodes/reftex-auc.el: * lisp/textmodes/reftex-dcr.el: * lisp/textmodes/reftex-global.el: * lisp/textmodes/reftex-sel.el: * lisp/url/url-dav.el: * lisp/vc/vc-src.el: * lisp/xwidget.el: * lisp/yank-media.el: Remove redundant (require 'cl-lib). (Bug#80129)
59 lines
1.8 KiB
EmacsLisp
59 lines
1.8 KiB
EmacsLisp
;;; sasl-scram-sha256.el --- SCRAM-SHA-256 module for the SASL client framework -*- lexical-binding: t; -*-
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;; Copyright (C) 2020-2026 Free Software Foundation, Inc.
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;; Author: Simon Josefsson <simon@josefsson.org>
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;; Package: sasl
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Implement the SCRAM-SHA-256 mechanism from RFC 7677.
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;;; Code:
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(require 'sasl)
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(require 'hex-util)
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(require 'rfc2104)
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(require 'sasl-scram-rfc)
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;;; SCRAM-SHA-256
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(defconst sasl-scram-sha-256-steps
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'(sasl-scram-client-first-message
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sasl-scram-sha-256-client-final-message
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sasl-scram-sha-256-authenticate-server))
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(defun sasl-scram-sha256 (object &optional start end binary)
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(secure-hash 'sha256 object start end binary))
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(defun sasl-scram-sha-256-client-final-message (client step)
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(sasl-scram--client-final-message
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;; HMAC-SHA256 uses block length 64 and hash length 32; see RFC 4634.
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'sasl-scram-sha256 64 32 client step))
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(defun sasl-scram-sha-256-authenticate-server (client step)
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(sasl-scram--authenticate-server
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'sasl-scram-sha256 64 32 client step))
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(put 'sasl-scram-sha256 'sasl-mechanism
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(sasl-make-mechanism "SCRAM-SHA-256" sasl-scram-sha-256-steps))
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(provide 'sasl-scram-sha256)
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;;; sasl-scram-sha256.el ends here
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