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Add (guix gcrypt). 

* guix/gcrypt.scm: New file.
* Makefile.am (MODULES): Add it.
* guix/pk-crypto.scm: Use it.
  (libgcrypt-func, gcrypt-version): Remove.
This commit is contained in:
Ludovic Courtès 2015-01-26 21:38:49 +01:00
parent 72c5ad8bae
commit 4862bc4a1a
3 changed files with 55 additions and 21 deletions
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1
Makefile.am
View File

@ -30,6 +30,7 @@ MODULES = \
guix/base32.scm \
guix/base64.scm \
guix/records.scm \
guix/gcrypt.scm \
guix/hash.scm \
guix/pk-crypto.scm \
guix/pki.scm \

49
guix/gcrypt.scm Normal file
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@ -0,0 +1,49 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix gcrypt)
#:use-module (guix config)
#:use-module (system foreign)
#:export (gcrypt-version
libgcrypt-func))
;;; Commentary:
;;;
;;; Common code for the GNU Libgcrypt bindings. Loading this module
;;; initializes Libgcrypt as a side effect.
;;;
;;; Code:
(define libgcrypt-func
(let ((lib (dynamic-link %libgcrypt)))
(lambda (func)
"Return a pointer to symbol FUNC in libgcrypt."
(dynamic-func func lib))))
(define gcrypt-version
;; According to the manual, this function must be called before any other,
;; and it's not clear whether it can be called more than once. So call it
;; right here from the top level.
(let* ((ptr (libgcrypt-func "gcry_check_version"))
(proc (pointer->procedure '* ptr '(*)))
(version (pointer->string (proc %null-pointer))))
(lambda ()
"Return the version number of libgcrypt as a string."
version)))
;;; gcrypt.scm ends here

26
guix/pk-crypto.scm
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@ -17,15 +17,15 @@
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix pk-crypto)
#:use-module (guix config)
#:use-module ((guix utils)
#:select (bytevector->base16-string
base16-string->bytevector))
#:use-module (guix gcrypt)
#:use-module (system foreign)
#:use-module (rnrs bytevectors)
#:use-module (ice-9 match)
#:export (gcrypt-version
canonical-sexp?
#:export (canonical-sexp?
error-source
error-string
string->canonical-sexp
@ -46,7 +46,8 @@
generate-key
find-sexp-token
canonical-sexp->sexp
sexp->canonical-sexp))
sexp->canonical-sexp)
#:re-export (gcrypt-version))
;;; Commentary:
@ -81,23 +82,6 @@
(number->string (pointer-address (canonical-sexp->pointer obj))
16))))
(define libgcrypt-func
(let ((lib (dynamic-link %libgcrypt)))
(lambda (func)
"Return a pointer to symbol FUNC in libgcrypt."
(dynamic-func func lib))))
(define gcrypt-version
;; According to the manual, this function must be called before any other,
;; and it's not clear whether it can be called more than once. So call it
;; right here from the top level.
(let* ((ptr (libgcrypt-func "gcry_check_version"))
(proc (pointer->procedure '* ptr '(*)))
(version (pointer->string (proc %null-pointer))))
(lambda ()
"Return the version number of libgcrypt as a string."
version)))
(define finalize-canonical-sexp!
(libgcrypt-func "gcry_sexp_release"))