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33286075b9
* guix/hash.scm (GCRY_MD_SHA1): New macro.
(bytevector-hash): New procedure.
(sha256): Express in terms of 'bytevector-hash'.
(sha1): New procedure.
* tests/hash.scm ("sha1, empty", "sha1, hello"): New tests.
128 lines
4.3 KiB
Scheme
128 lines
4.3 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; 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 (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; 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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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (test-hash)
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#:use-module (guix hash)
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#:use-module (guix base16)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-64)
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#:use-module (rnrs bytevectors)
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#:use-module (rnrs io ports))
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;; Test the (guix hash) module.
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(define %empty-sha256
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;; SHA256 hash of the empty string.
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(base16-string->bytevector
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"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"))
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(define %hello-sha256
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;; SHA256 hash of "hello world"
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(base16-string->bytevector
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"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"))
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(test-begin "hash")
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(test-equal "sha1, empty"
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(base16-string->bytevector "da39a3ee5e6b4b0d3255bfef95601890afd80709")
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(sha1 #vu8()))
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(test-equal "sha1, hello"
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(base16-string->bytevector "2aae6c35c94fcfb415dbe95f408b9ce91ee846ed")
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(sha1 (string->utf8 "hello world")))
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(test-equal "sha256, empty"
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%empty-sha256
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(sha256 #vu8()))
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(test-equal "sha256, hello"
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%hello-sha256
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(sha256 (string->utf8 "hello world")))
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(test-equal "open-sha256-port, empty"
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%empty-sha256
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(let-values (((port get)
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(open-sha256-port)))
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(close-port port)
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(get)))
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(test-equal "open-sha256-port, hello"
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%hello-sha256
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(let-values (((port get)
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(open-sha256-port)))
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(put-bytevector port (string->utf8 "hello world"))
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(force-output port)
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(get)))
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(test-assert "port-sha256"
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(let* ((file (search-path %load-path "ice-9/psyntax.scm"))
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(size (stat:size (stat file)))
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(contents (call-with-input-file file get-bytevector-all)))
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(equal? (sha256 contents)
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(call-with-input-file file port-sha256))))
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(test-equal "open-sha256-input-port, empty"
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`("" ,%empty-sha256)
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(let-values (((port get)
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(open-sha256-input-port (open-string-input-port ""))))
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(let ((str (get-string-all port)))
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(list str (get)))))
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(test-equal "open-sha256-input-port, hello"
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`("hello world" ,%hello-sha256)
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(let-values (((port get)
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(open-sha256-input-port
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(open-bytevector-input-port
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(string->utf8 "hello world")))))
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(let ((str (get-string-all port)))
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(list str (get)))))
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(test-equal "open-sha256-input-port, hello, one two"
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(list (string->utf8 "hel") (string->utf8 "lo")
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(base16-string->bytevector ; echo -n hello | sha256sum
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"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
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" world")
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(let-values (((port get)
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(open-sha256-input-port
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(open-bytevector-input-port (string->utf8 "hello world")))))
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(let* ((one (get-bytevector-n port 3))
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(two (get-bytevector-n port 2))
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(hash (get))
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(three (get-string-all port)))
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(list one two hash three))))
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(test-equal "open-sha256-input-port, hello, read from wrapped port"
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(list (string->utf8 "hello")
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(base16-string->bytevector ; echo -n hello | sha256sum
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"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
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" world")
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(let*-values (((wrapped)
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(open-bytevector-input-port (string->utf8 "hello world")))
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((port get)
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(open-sha256-input-port wrapped)))
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(let* ((hello (get-bytevector-n port 5))
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(hash (get))
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;; Now read from WRAPPED to make sure its current position is
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;; correct.
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(world (get-string-all wrapped)))
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(list hello hash world))))
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(test-end)
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