trans: New random translator.

Previously, the Hurd included a translator providing /dev/random and
/dev/urandom based on a source copy of the random number generator
found in classic GnuPG.

The new random translator is using the SHAKE128 algorithm from the
SHA-3 family as the underlying cryptographic primitive.  Being a
sponge construction, it allows the extraction of arbitrary amounts of
pseudorandom data.  It is continuously fed entropy by hashing system
state that is hard to predict.

* Makefile (prog-subdirs): Remove 'random'.
* NEWS: Update.
* random/Makefile: Delete file.
* random/TODO: Likewise.
* random/gnupg-bithelp.h: Likewise.
* random/gnupg-glue.h: Likewise.
* random/gnupg-random.c: Likewise.
* random/gnupg-random.h: Likewise.
* random/gnupg-rmd.h: Likewise.
* random/gnupg-rmd160.c: Likewise.
* random/random.h: Likewise.
* sutils/MAKEDEV.sh (random): Create node.
(urandom): The new translator is both secure and non-blocking.  Create
a link from urandom to random for compatibility with Linux.
* trans/Makefile (targets): Add 'random'.
* trans/random.c: Move the skeleton of the old random translator here,
but replace the PRNG with SHAKE128.  Remove all dubious attempts of
accounting for entropy.  Do not block ever.

1 files changed, 0 insertions, 41 deletions

diff --git a/random/gnupg-bithelp.h b/random/gnupg-bithelp.h
deleted file mode 100644
index 188db168..00000000
--- a/random/gnupg-bithelp.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* bithelp.h  -  Some bit manipulation helpers
- *	Copyright (C) 1999 Free Software Foundation, Inc.
- *
- * This file is part of GnuPG.
- *
- * GnuPG 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 2 of the License, or
- * (at your option) any later version.
- *
- * GnuPG 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-#ifndef G10_BITHELP_H
-#define G10_BITHELP_H
-
-
-/****************
- * Rotate a 32 bit integer by n bytes
- */
-#if defined(__GNUC__) && defined(__i386__)
-static inline u32
-rol( u32 x, int n)
-{
-	__asm__("roll %%cl,%0"
-		:"=r" (x)
-		:"0" (x),"c" (n));
-	return x;
-}
-#else
-  #define rol(x,n) ( ((x) << (n)) | ((x) >> (32-(n))) )
-#endif
-
-
-#endif /*G10_BITHELP_H*/