1 files changed, 0 insertions, 184 deletions
diff --git a/guix/hash.scm b/guix/hash.scm
deleted file mode 100644
index 8d7ba21425..0000000000
--- a/guix/hash.scm
+++ /dev/null
@@ -1,184 +0,0 @@
-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2018 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 hash)
-  #:use-module (guix gcrypt)
-  #:use-module (rnrs bytevectors)
-  #:use-module (ice-9 binary-ports)
-  #:use-module (system foreign)
-  #:use-module ((guix build utils) #:select (dump-port))
-  #:use-module (srfi srfi-11)
-  #:use-module (srfi srfi-26)
-  #:export (sha1
-            sha256
-            open-sha256-port
-            port-sha256
-            file-sha256
-            open-sha256-input-port))
-
-;;; Commentary:
-;;;
-;;; Cryptographic hashes.
-;;;
-;;; Code:
-
-
-;;;
-;;; Hash.
-;;;
-
-(define-syntax GCRY_MD_SHA256
-  ;; Value as of Libgcrypt 1.5.2.
-  (identifier-syntax 8))
-
-(define-syntax GCRY_MD_SHA1
-  (identifier-syntax 2))
-
-(define bytevector-hash
-  (let ((hash (pointer->procedure void
-                                  (libgcrypt-func "gcry_md_hash_buffer")
-                                  `(,int * * ,size_t))))
-    (lambda (bv type size)
-      "Return the hash TYPE, of SIZE bytes, of BV as a bytevector."
-      (let ((digest (make-bytevector size)))
-        (hash type (bytevector->pointer digest)
-              (bytevector->pointer bv) (bytevector-length bv))
-        digest))))
-
-(define sha1
-  (cut bytevector-hash <> GCRY_MD_SHA1 20))
-
-(define sha256
-  (cut bytevector-hash <> GCRY_MD_SHA256 (/ 256 8)))
-
-(define open-sha256-md
-  (let ((open (pointer->procedure int
-                                  (libgcrypt-func "gcry_md_open")
-                                  `(* ,int ,unsigned-int))))
-    (lambda ()
-      (let* ((md  (bytevector->pointer (make-bytevector (sizeof '*))))
-             (err (open md GCRY_MD_SHA256 0)))
-        (if (zero? err)
-            (dereference-pointer md)
-            (throw 'gcrypt-error err))))))
-
-(define md-write
-  (pointer->procedure void
-                      (libgcrypt-func "gcry_md_write")
-                      `(* * ,size_t)))
-
-(define md-read
-  (pointer->procedure '*
-                      (libgcrypt-func "gcry_md_read")
-                      `(* ,int)))
-
-(define md-close
-  (pointer->procedure void
-                      (libgcrypt-func "gcry_md_close")
-                      '(*)))
-
-
-(define (open-sha256-port)
-  "Return two values: an output port, and a thunk.  When the thunk is called,
-it returns the SHA256 hash (a bytevector) of all the data written to the
-output port."
-  (define sha256-md
-    (open-sha256-md))
-
-  (define digest #f)
-  (define position 0)
-
-  (define (finalize!)
-    (let ((ptr (md-read sha256-md 0)))
-      (set! digest (bytevector-copy (pointer->bytevector ptr 32)))
-      (md-close sha256-md)))
-
-  (define (write! bv offset len)
-    (if (zero? len)
-        (begin
-          (finalize!)
-          0)
-        (let ((ptr (bytevector->pointer bv offset)))
-          (md-write sha256-md ptr len)
-          (set! position (+ position len))
-          len)))
-
-  (define (get-position)
-    position)
-
-  (define (close)
-    (unless digest
-      (finalize!)))
-
-  (values (make-custom-binary-output-port "sha256"
-                                          write! get-position #f
-                                          close)
-          (lambda ()
-            (unless digest
-              (finalize!))
-            digest)))
-
-(define (port-sha256 port)
-  "Return the SHA256 hash (a bytevector) of all the data drained from PORT."
-  (let-values (((out get)
-                (open-sha256-port)))
-    (dump-port port out)
-    (close-port out)
-    (get)))
-
-(define (file-sha256 file)
-  "Return the SHA256 hash (a bytevector) of FILE."
-  (call-with-input-file file port-sha256))
-
-(define (open-sha256-input-port port)
-  "Return an input port that wraps PORT and a thunk to get the hash of all the
-data read from PORT.  The thunk always returns the same value."
-  (define md
-    (open-sha256-md))
-
-  (define (read! bv start count)
-    (let ((n (get-bytevector-n! port bv start count)))
-      (if (eof-object? n)
-          0
-          (begin
-            (unless digest
-              (let ((ptr (bytevector->pointer bv start)))
-                (md-write md ptr n)))
-            n))))
-
-  (define digest #f)
-
-  (define (finalize!)
-    (let ((ptr (md-read md 0)))
-      (set! digest (bytevector-copy (pointer->bytevector ptr 32)))
-      (md-close md)))
-
-  (define (get-hash)
-    (unless digest
-      (finalize!))
-    digest)
-
-  (define (unbuffered port)
-    ;; Guile <= 2.0.9 does not support 'setvbuf' on custom binary input ports.
-    (setvbuf port _IONBF)
-    port)
-
-  (values (unbuffered (make-custom-binary-input-port "sha256" read! #f #f #f))
-          get-hash))
-
-;;; hash.scm ends here