[svn] gcry - r1193 - in branches/LIBGCRYPT-1-2-BRANCH: . doc m4 src
svn author wk
cvs at cvs.gnupg.org
Thu Nov 30 17:42:49 CET 2006
Author: wk
Date: 2006-11-30 17:42:47 +0100 (Thu, 30 Nov 2006)
New Revision: 1193
Added:
branches/LIBGCRYPT-1-2-BRANCH/m4/Makefile.am
branches/LIBGCRYPT-1-2-BRANCH/m4/onceonly.m4
branches/LIBGCRYPT-1-2-BRANCH/m4/socklen.m4
branches/LIBGCRYPT-1-2-BRANCH/m4/sys_socket_h.m4
branches/LIBGCRYPT-1-2-BRANCH/src/gcrypt.h.in
Removed:
branches/LIBGCRYPT-1-2-BRANCH/src/gcrypt.h
Modified:
branches/LIBGCRYPT-1-2-BRANCH/ChangeLog
branches/LIBGCRYPT-1-2-BRANCH/Makefile.am
branches/LIBGCRYPT-1-2-BRANCH/TODO
branches/LIBGCRYPT-1-2-BRANCH/autogen.sh
branches/LIBGCRYPT-1-2-BRANCH/configure.ac
branches/LIBGCRYPT-1-2-BRANCH/doc/ChangeLog
branches/LIBGCRYPT-1-2-BRANCH/doc/gcrypt.texi
branches/LIBGCRYPT-1-2-BRANCH/m4/ChangeLog
branches/LIBGCRYPT-1-2-BRANCH/src/ChangeLog
branches/LIBGCRYPT-1-2-BRANCH/src/Makefile.am
Log:
Ported the socklent_t fallback logic from 1.3
Minor build system changes
Modified: branches/LIBGCRYPT-1-2-BRANCH/ChangeLog
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/ChangeLog 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/ChangeLog 2006-11-30 16:42:47 UTC (rev 1193)
@@ -1,3 +1,16 @@
+2006-11-30 Werner Koch <wk at g10code.com>
+
+ * autogen.sh: New option --force.
+ * configure.ac: Add SVN revision magic
+
+ * configure.ac (FALLBACK_SOCKLEN_T): Define gcry_socklen_t, to
+ avoid conflicts with socklen_t definitions by autoconf.
+ * configure.ac: Do not call GNUPG_FIX_HDR_VERSION.
+ * configure.ac: Invoke AC_CHECK_SOCKLEN_TYPE.
+ (AC_CONFIG_FILES): Add src/gcrypt.h and m4/Makefile
+ (AC_CONFIG_SRCDIR): Change to src/libgcrypt.vers.
+ * Makefile.am (SUBDIRS): Add m4/
+
2006-08-28 Werner Koch <wk at g10code.com>
Released 1.2.3.
Modified: branches/LIBGCRYPT-1-2-BRANCH/Makefile.am
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/Makefile.am 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/Makefile.am 2006-11-30 16:42:47 UTC (rev 1193)
@@ -21,7 +21,7 @@
AUTOMAKE_OPTIONS = dist-bzip2
DIST_SUBDIRS = mpi cipher src doc tests w32-dll
-SUBDIRS = mpi cipher src doc tests
+SUBDIRS = m4 mpi cipher src doc tests
EXTRA_DIST = BUGS autogen.sh README.apichanges README.SVN
DISTCLEANFILES =
Modified: branches/LIBGCRYPT-1-2-BRANCH/TODO
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/TODO 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/TODO 2006-11-30 16:42:47 UTC (rev 1193)
@@ -34,7 +34,5 @@
* cipher/pubkey.c and pubkey implementaions.
Don't rely on the secure memory based wiping function but add an
extra wiping.
-
-* We need to figure out at comile time whether socklen_t is defined.
- On IRIX 6.5 it seems not to be defined and thus gcrypt.h fails.
+
Modified: branches/LIBGCRYPT-1-2-BRANCH/autogen.sh
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/autogen.sh 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/autogen.sh 2006-11-30 16:42:47 UTC (rev 1193)
@@ -29,8 +29,12 @@
}
DIE=no
+FORCE=
+if test "$1" == "--force"; then
+ FORCE=" --force"
+ shift
+fi
-
# Used to cross-compile for Windows.
if test "$1" = "--build-w32"; then
tmp=`dirname $0`
@@ -147,7 +151,7 @@
$AUTOHEADER
echo "Running automake --gnu ..."
$AUTOMAKE --gnu;
-echo "Running autoconf..."
-$AUTOCONF
+echo "Running autoconf${FORCE} ..."
+$AUTOCONF${FORCE}
echo "You may now run \"./configure --enable-maintainer-mode && make\"."
Modified: branches/LIBGCRYPT-1-2-BRANCH/configure.ac
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/configure.ac 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/configure.ac 2006-11-30 16:42:47 UTC (rev 1193)
@@ -1,6 +1,6 @@
# Configure.ac script for Libgcrypt
-# Copyright (C) 1998, 1999, 2000, 2001, 2002
-# 2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
+# 2004, 2006 Free Software Foundation, Inc.
#
# This file is part of Libgcrypt.
#
@@ -16,20 +16,26 @@
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
#
# (Process this file with autoconf to produce a configure script.)
AC_REVISION($Revision$)
AC_PREREQ(2.59)
min_automake_version="1.9.3"
-# Version number: Remember to change it immediately *after* a release
-# but remove a "-cvs" prefix right *before* a release and append it
-# soon later.
+# Remember to change the version number immediately *after* a release.
+# Set my_issvn to "yes" for non-released code. Remember to run an
+# "svn up" and "autogen.sh" right before creating a distribution.
+m4_define([my_version], [1.2.4])
+m4_define([my_issvn], [yes])
-AC_INIT(libgcrypt, 1.2.4-cvs, bug-libgcrypt at gnupg.org)
-
+m4_define([svn_revision], m4_esyscmd([echo -n $( (svn info 2>/dev/null \
+ || echo 'Revision: 0')|sed -n '/^Revision:/ {s/[^0-9]//gp;q;}')]))
+AC_INIT([libgcrypt], my_version[]m4_if(my_issvn,[yes],[-svn[]svn_revision]),
+ [bug-libgcrypt at gnupg.org])
# LT Version numbers, remember to change them just *before* a release.
+# NOTE: API changes must be coordinated with the development branch
# (Interfaces removed: CURRENT++, AGE=0, REVISION=0)
# (Interfaces added: CURRENT++, AGE++, REVISION=0)
# (No interfaces changed: REVISION++)
@@ -46,7 +52,7 @@
PACKAGE=$PACKAGE_NAME
VERSION=$PACKAGE_VERSION
-AC_CONFIG_SRCDIR([src/gcrypt.h])
+AC_CONFIG_SRCDIR([src/libgcrypt.vers])
AC_CANONICAL_TARGET()
AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
AM_CONFIG_HEADER(config.h)
@@ -267,7 +273,7 @@
AC_ARG_ENABLE(ciphers,
AC_HELP_STRING([--enable-ciphers=ciphers],
[select the symmetric ciphers to include]),
- [enabled_ciphers=$(echo $enableval | tr , ' ' | tr '[A-Z]' '[a-z]')],
+ [enabled_ciphers=`echo $enableval | tr , ' ' | tr '[A-Z]' '[a-z]'`],
[enabled_ciphers=""])
if test "x$enabled_ciphers" = "x" \
-o "$enabled_ciphers" = "yes" \
@@ -287,7 +293,7 @@
AC_ARG_ENABLE(pubkey-ciphers,
AC_HELP_STRING([--enable-pubkey-ciphers=ciphers],
[select the public-key ciphers to include]),
- [enabled_pubkey_ciphers=$(echo $enableval | tr , ' ' | tr '[A-Z]' '[a-z]')],
+ [enabled_pubkey_ciphers=`echo $enableval | tr , ' ' | tr '[A-Z]' '[a-z]'`],
[enabled_pubkey_ciphers=""])
if test "x$enabled_pubkey_ciphers" = "x" \
-o "$enabled_pubkey_ciphers" = "yes" \
@@ -307,7 +313,7 @@
AC_ARG_ENABLE(digests,
AC_HELP_STRING([--enable-digests=digests],
[select the message digests to include]),
- [enabled_digests=$(echo $enableval | tr , ' ' | tr '[A-Z]' '[a-z]')],
+ [enabled_digests=`echo $enableval | tr , ' ' | tr '[A-Z]' '[a-z]'`],
[enabled_digests=""])
if test "x$enabled_digests" = "x" \
-o "$enabled_digests" = "yes" \
@@ -327,7 +333,7 @@
AC_ARG_ENABLE(random,
AC_HELP_STRING([--enable-random=name],
[select which random number generator to use]),
- [random=$(echo $enableval | tr '[A-Z]' '[a-z]')],
+ [random=`echo $enableval | tr '[A-Z]' '[a-z]'`],
[])
if test "x$random" = "x" -o "$random" = "yes" -o "$random" = "no"; then
random=default
@@ -473,15 +479,15 @@
GNUPG_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF)
GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)
-AC_CHECK_TYPE(socklen_t,,
- [AC_DEFINE_UNQUOTED([socklen_t],
- [int],
- [Define to `int' if unavailable.])],
- [
-#include <sys/types.h>
-#include <sys/socket.h>
- ])
+gl_TYPE_SOCKLEN_T
+if test ".$gl_cv_socklen_t_equiv" = "."; then
+ FALLBACK_SOCKLEN_T="typedef socklen_t gcry_socklen_t;"
+else
+ FALLBACK_SOCKLEN_T="typedef ${gl_cv_socklen_t_equiv} gcry_socklen_t;"
+fi
+AC_SUBST(FALLBACK_SOCKLEN_T)
+
#######################################
#### Checks for library functions. ####
#######################################
@@ -646,11 +652,6 @@
fi
AC_SUBST(NOEXECSTACK_FLAGS)
-#
-# Make the version number in src/gcrypt.h the same as the one here.
-# (this is easier than to have a *.in file just for one substitution)
-#
-GNUPG_FIX_HDR_VERSION([src/gcrypt.h], GCRYPT_VERSION)
AC_SUBST(LIBGCRYPT_CONFIG_API_VERSION)
AC_SUBST(LIBGCRYPT_CONFIG_LIBS)
@@ -800,10 +801,12 @@
AC_CONFIG_FILES([
Makefile
+m4/Makefile
mpi/Makefile
cipher/Makefile
doc/Makefile
src/Makefile
+src/gcrypt.h
src/libgcrypt-config
tests/Makefile
w32-dll/Makefile
Modified: branches/LIBGCRYPT-1-2-BRANCH/doc/ChangeLog
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/doc/ChangeLog 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/doc/ChangeLog 2006-11-30 16:42:47 UTC (rev 1193)
@@ -1,3 +1,7 @@
+2006-11-03 Werner Koch <wk at g10code.com>
+
+ * gcrypt.texi (Available ciphers): Fixed typo.
+
2005-06-16 Werner Koch <wk at g10code.com>
* gcrypt.texi: Adjusted function prototypes.
Modified: branches/LIBGCRYPT-1-2-BRANCH/doc/gcrypt.texi
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/doc/gcrypt.texi 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/doc/gcrypt.texi 2006-11-30 16:42:47 UTC (rev 1193)
@@ -1082,7 +1082,7 @@
AES (Rijndael) with a 128 bit key.
@item GCRY_CIPHER_AES192
- at itemx GCRY_CIPHER_RIJNDAEL128
+ at itemx GCRY_CIPHER_RIJNDAEL192
AES (Rijndael) with a 192 bit key.
@item GCRY_CIPHER_AES256
Modified: branches/LIBGCRYPT-1-2-BRANCH/m4/ChangeLog
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/m4/ChangeLog 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/m4/ChangeLog 2006-11-30 16:42:47 UTC (rev 1193)
@@ -1,3 +1,9 @@
+2006-11-30 Werner Koch <wk at g10code.com>
+
+ * Makefile.am: New.
+
+ * sys_socket_h.m4, socklen.m4, onceonly.m4: New files from gnulib.
+
2004-04-06 Werner Koch <wk at gnupg.org>
* libtool.m4: Updated from 1.5.4
Added: branches/LIBGCRYPT-1-2-BRANCH/m4/Makefile.am
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/m4/Makefile.am 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/m4/Makefile.am 2006-11-30 16:42:47 UTC (rev 1193)
@@ -0,0 +1 @@
+EXTRA_DIST = libtool.m4 onceonly.m4 socklen.m4 sys_socket_h.m4
Copied: branches/LIBGCRYPT-1-2-BRANCH/m4/onceonly.m4 (from rev 1184, trunk/m4/onceonly.m4)
Copied: branches/LIBGCRYPT-1-2-BRANCH/m4/socklen.m4 (from rev 1184, trunk/m4/socklen.m4)
Copied: branches/LIBGCRYPT-1-2-BRANCH/m4/sys_socket_h.m4 (from rev 1184, trunk/m4/sys_socket_h.m4)
Modified: branches/LIBGCRYPT-1-2-BRANCH/src/ChangeLog
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/src/ChangeLog 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/src/ChangeLog 2006-11-30 16:42:47 UTC (rev 1193)
@@ -1,3 +1,12 @@
+2006-11-30 Werner Koch <wk at g10code.com>
+
+ * gcrypt.h.in: Replace socklen_t with gcry_socklen_t.
+ * gcrypt.h.in: Replace version by @VERSION at .
+
+ * gcrypt.h: Add fallback type for socklen_t. Move to ...
+ * gcrypt.h.in: ... this file.
+ * Makefile.am (EXTRA_DIST): Add gcrypt.h.in.
+
2006-10-19 Werner Koch <wk at g10code.com>
* global.c (gcry_control) <GCRYCTL_INIT_SECMEM>: Return an error
Modified: branches/LIBGCRYPT-1-2-BRANCH/src/Makefile.am
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/src/Makefile.am 2006-11-05 20:52:09 UTC (rev 1192)
+++ branches/LIBGCRYPT-1-2-BRANCH/src/Makefile.am 2006-11-30 16:42:47 UTC (rev 1193)
@@ -18,7 +18,8 @@
## Process this file with automake to produce Makefile.in
-EXTRA_DIST = Manifest libgcrypt-config.in libgcrypt.m4 libgcrypt.vers
+EXTRA_DIST = Manifest libgcrypt-config.in libgcrypt.m4 libgcrypt.vers \
+ gcrypt.h.in
bin_SCRIPTS = libgcrypt-config
m4datadir = $(datadir)/aclocal
m4data_DATA = libgcrypt.m4
Deleted: branches/LIBGCRYPT-1-2-BRANCH/src/gcrypt.h
Copied: branches/LIBGCRYPT-1-2-BRANCH/src/gcrypt.h.in (from rev 1177, branches/LIBGCRYPT-1-2-BRANCH/src/gcrypt.h)
===================================================================
--- branches/LIBGCRYPT-1-2-BRANCH/src/gcrypt.h 2006-08-28 12:45:47 UTC (rev 1177)
+++ branches/LIBGCRYPT-1-2-BRANCH/src/gcrypt.h.in 2006-11-30 16:42:47 UTC (rev 1193)
@@ -0,0 +1,1529 @@
+/* gcrypt.h - GNU cryptographic library interface -*- c -*-
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ * 2004, 2006 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ * USA.
+ */
+
+#ifndef _GCRYPT_H
+#define _GCRYPT_H
+
+#include <stdarg.h>
+#include <string.h>
+
+#include <gpg-error.h>
+
+#include <sys/types.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#endif /*!_WIN32*/
+
+ at FALLBACK_SOCKLEN_T@
+
+#include <sys/time.h>
+
+/* This is required for error code compatibility. */
+#define _GCRY_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_GCRYPT
+
+#ifdef __cplusplus
+extern "C" {
+#if 0 /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+/* The version of this header should match the one of the library. It
+ should not be used by a program because gcry_check_version() should
+ return the same version. The purpose of this macro is to let
+ autoconf (using the AM_PATH_GCRYPT macro) check that this header
+ matches the installed library. */
+#define GCRYPT_VERSION "@VERSION@"
+
+/* Internal: We can't use the convenience macros for the multi
+ precision integer functions when building this library. */
+#ifdef _GCRYPT_IN_LIBGCRYPT
+#ifndef GCRYPT_NO_MPI_MACROS
+#define GCRYPT_NO_MPI_MACROS 1
+#endif
+#endif
+
+/* We want to use gcc attributes when possible. Warning: Don't use
+ these macros in your programs: As indicated by the leading
+ underscore they are subject to change without notice. */
+#ifdef __GNUC__
+
+#define _GCRY_GCC_VERSION (__GNUC__ * 10000 \
+ + __GNUC_MINOR__ * 100 \
+ + __GNUC_PATCHLEVEL__)
+
+#if _GCRY_GCC_VERSION >= 30100
+#define _GCRY_GCC_ATTR_DEPRECATED __attribute__ ((__deprecated__))
+#endif
+
+#if _GCRY_GCC_VERSION >= 29600
+#define _GCRY_GCC_ATTR_PURE __attribute__ ((__pure__))
+#endif
+
+#if _GCRY_GCC_VERSION >= 300200
+#define _GCRY_GCC_ATTR_MALLOC __attribute__ ((__malloc__))
+#endif
+
+#endif /*__GNUC__*/
+
+#ifndef _GCRY_GCC_ATTR_DEPRECATED
+#define _GCRY_GCC_ATTR_DEPRECATED
+#endif
+#ifndef _GCRY_GCC_ATTR_PURE
+#define _GCRY_GCC_ATTR_PURE
+#endif
+#ifndef _GCRY_GCC_ATTR_MALLOC
+#define _GCRY_GCC_ATTR_MALLOC
+#endif
+
+/* Wrappers for the libgpg-error library. */
+
+typedef gpg_error_t gcry_error_t;
+typedef gpg_err_code_t gcry_err_code_t;
+typedef gpg_err_source_t gcry_err_source_t;
+
+static GPG_ERR_INLINE gcry_error_t
+gcry_err_make (gcry_err_source_t source, gcry_err_code_t code)
+{
+ return gpg_err_make (source, code);
+}
+
+/* The user can define GPG_ERR_SOURCE_DEFAULT before including this
+ file to specify a default source for gpg_error. */
+#ifndef GCRY_ERR_SOURCE_DEFAULT
+#define GCRY_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_USER_1
+#endif
+
+static GPG_ERR_INLINE gcry_error_t
+gcry_error (gcry_err_code_t code)
+{
+ return gcry_err_make (GCRY_ERR_SOURCE_DEFAULT, code);
+}
+
+static GPG_ERR_INLINE gcry_err_code_t
+gcry_err_code (gcry_error_t err)
+{
+ return gpg_err_code (err);
+}
+
+
+static GPG_ERR_INLINE gcry_err_source_t
+gcry_err_source (gcry_error_t err)
+{
+ return gpg_err_source (err);
+}
+
+/* Return a pointer to a string containing a description of the error
+ code in the error value ERR. */
+const char *gcry_strerror (gcry_error_t err);
+
+/* Return a pointer to a string containing a description of the error
+ source in the error value ERR. */
+const char *gcry_strsource (gcry_error_t err);
+
+/* Retrieve the error code for the system error ERR. This returns
+ GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped (report
+ this). */
+gcry_err_code_t gcry_err_code_from_errno (int err);
+
+/* Retrieve the system error for the error code CODE. This returns 0
+ if CODE is not a system error code. */
+int gcry_err_code_to_errno (gcry_err_code_t code);
+
+/* Return an error value with the error source SOURCE and the system
+ error ERR. */
+gcry_error_t gcry_err_make_from_errno (gcry_err_source_t source, int err);
+
+/* Return an error value with the system error ERR. */
+gcry_err_code_t gcry_error_from_errno (int err);
+
+
+enum gcry_thread_option
+ {
+ GCRY_THREAD_OPTION_DEFAULT = 0,
+ GCRY_THREAD_OPTION_USER = 1,
+ GCRY_THREAD_OPTION_PTH = 2,
+ GCRY_THREAD_OPTION_PTHREAD = 3
+ };
+
+/* Do avoid inclusing of too much W32 stuff, we redefine some types. */
+#ifdef _WIN32
+#define _GCRY_PTH_FD_SET void
+#define _GCRY_PTH_SOCKADDR void
+#define _GCRY_PTH_SOCKLEN_T int
+#define _GCRY_PTH_MSGHDR void
+#else
+#define _GCRY_PTH_FD_SET fd_set
+#define _GCRY_PTH_SOCKADDR struct sockaddr
+#define _GCRY_PTH_SOCKLEN_T gcry_socklen_t
+#define _GCRY_PTH_MSGHDR struct msghdr
+#endif
+
+/* Wrapper for struct ath_ops. */
+struct gcry_thread_cbs
+{
+ enum gcry_thread_option option;
+ int (*init) (void);
+ int (*mutex_init) (void **priv);
+ int (*mutex_destroy) (void **priv);
+ int (*mutex_lock) (void **priv);
+ int (*mutex_unlock) (void **priv);
+ ssize_t (*read) (int fd, void *buf, size_t nbytes);
+ ssize_t (*write) (int fd, const void *buf, size_t nbytes);
+ ssize_t (*select) (int nfd, _GCRY_PTH_FD_SET *rset, _GCRY_PTH_FD_SET *wset,
+ _GCRY_PTH_FD_SET *eset, struct timeval *timeout);
+ ssize_t (*waitpid) (pid_t pid, int *status, int options);
+ int (*accept) (int s, _GCRY_PTH_SOCKADDR *addr, gcry_socklen_t *length_ptr);
+ int (*connect) (int s, _GCRY_PTH_SOCKADDR *addr, gcry_socklen_t length);
+ int (*sendmsg) (int s, const _GCRY_PTH_MSGHDR *msg, int flags);
+ int (*recvmsg) (int s, _GCRY_PTH_MSGHDR *msg, int flags);
+};
+
+#define GCRY_THREAD_OPTION_PTH_IMPL \
+static int gcry_pth_init (void) \
+{ return (pth_init () == FALSE) ? errno : 0; } \
+static int gcry_pth_mutex_init (void **priv) \
+{ \
+ int err = 0; \
+ pth_mutex_t *lock = malloc (sizeof (pth_mutex_t)); \
+ \
+ if (!lock) \
+ err = ENOMEM; \
+ if (!err) \
+ { \
+ err = pth_mutex_init (lock); \
+ if (err == FALSE) \
+ err = errno; \
+ else \
+ err = 0; \
+ if (err) \
+ free (lock); \
+ else \
+ *priv = lock; \
+ } \
+ return err; \
+} \
+static int gcry_pth_mutex_destroy (void **lock) \
+ { /* GNU Pth has no destructor function. */ free (*lock); return 0; } \
+static int gcry_pth_mutex_lock (void **lock) \
+ { return ((pth_mutex_acquire (*lock, 0, NULL)) == FALSE) \
+ ? errno : 0; } \
+static int gcry_pth_mutex_unlock (void **lock) \
+ { return ((pth_mutex_release (*lock)) == FALSE) \
+ ? errno : 0; } \
+static ssize_t gcry_pth_read (int fd, void *buf, size_t nbytes) \
+ { return pth_read (fd, buf, nbytes); } \
+static ssize_t gcry_pth_write (int fd, const void *buf, size_t nbytes) \
+ { return pth_write (fd, buf, nbytes); } \
+static ssize_t gcry_pth_select (int nfd, _GCRY_PTH_FD_SET *rset, \
+ _GCRY_PTH_FD_SET *wset, \
+ _GCRY_PTH_FD_SET *eset, \
+ struct timeval *timeout) \
+ { return pth_select (nfd, rset, wset, eset, timeout); } \
+static ssize_t gcry_pth_waitpid (pid_t pid, int *status, int options) \
+ { return pth_waitpid (pid, status, options); } \
+static int gcry_pth_accept (int s, _GCRY_PTH_SOCKADDR *addr, \
+ gcry_socklen_t *length_ptr) \
+ { return pth_accept (s, addr, length_ptr); } \
+static int gcry_pth_connect (int s, _GCRY_PTH_SOCKADDR *addr, \
+ gcry_socklen_t length) \
+ { return pth_connect (s, addr, length); } \
+ \
+/* FIXME: GNU Pth is missing pth_sendmsg and pth_recvmsg. */ \
+static struct gcry_thread_cbs gcry_threads_pth = { GCRY_THREAD_OPTION_PTH, \
+ gcry_pth_init, gcry_pth_mutex_init, gcry_pth_mutex_destroy, \
+ gcry_pth_mutex_lock, gcry_pth_mutex_unlock, gcry_pth_read, gcry_pth_write, \
+ gcry_pth_select, gcry_pth_waitpid, gcry_pth_accept, gcry_pth_connect }
+
+#define GCRY_THREAD_OPTION_PTHREAD_IMPL \
+static int gcry_pthread_mutex_init (void **priv) \
+{ \
+ int err = 0; \
+ pthread_mutex_t *lock = malloc (sizeof (pthread_mutex_t)); \
+ \
+ if (!lock) \
+ err = ENOMEM; \
+ if (!err) \
+ { \
+ err = pthread_mutex_init (lock, NULL); \
+ if (err) \
+ free (lock); \
+ else \
+ *priv = lock; \
+ } \
+ return err; \
+} \
+static int gcry_pthread_mutex_destroy (void **lock) \
+ { int err = pthread_mutex_destroy (*lock); free (*lock); return err; } \
+static int gcry_pthread_mutex_lock (void **lock) \
+ { return pthread_mutex_lock (*lock); } \
+static int gcry_pthread_mutex_unlock (void **lock) \
+ { return pthread_mutex_unlock (*lock); } \
+ \
+static struct gcry_thread_cbs gcry_threads_pthread = \
+{ GCRY_THREAD_OPTION_PTHREAD, NULL, \
+ gcry_pthread_mutex_init, gcry_pthread_mutex_destroy, \
+ gcry_pthread_mutex_lock, gcry_pthread_mutex_unlock }
+
+
+/* The data object used to hold a multi precision integer. */
+struct gcry_mpi;
+typedef struct gcry_mpi *gcry_mpi_t;
+
+typedef struct gcry_mpi *GCRY_MPI _GCRY_GCC_ATTR_DEPRECATED;
+typedef struct gcry_mpi *GcryMPI _GCRY_GCC_ATTR_DEPRECATED;
+
+
+
+/* Check that the library fulfills the version requirement. */
+const char *gcry_check_version (const char *req_version);
+
+/* Codes for function dispatchers. */
+
+/* Codes used with the gcry_control function. */
+enum gcry_ctl_cmds
+ {
+ GCRYCTL_SET_KEY = 1,
+ GCRYCTL_SET_IV = 2,
+ GCRYCTL_CFB_SYNC = 3,
+ GCRYCTL_RESET = 4, /* e.g. for MDs */
+ GCRYCTL_FINALIZE = 5,
+ GCRYCTL_GET_KEYLEN = 6,
+ GCRYCTL_GET_BLKLEN = 7,
+ GCRYCTL_TEST_ALGO = 8,
+ GCRYCTL_IS_SECURE = 9,
+ GCRYCTL_GET_ASNOID = 10,
+ GCRYCTL_ENABLE_ALGO = 11,
+ GCRYCTL_DISABLE_ALGO = 12,
+ GCRYCTL_DUMP_RANDOM_STATS = 13,
+ GCRYCTL_DUMP_SECMEM_STATS = 14,
+ GCRYCTL_GET_ALGO_NPKEY = 15,
+ GCRYCTL_GET_ALGO_NSKEY = 16,
+ GCRYCTL_GET_ALGO_NSIGN = 17,
+ GCRYCTL_GET_ALGO_NENCR = 18,
+ GCRYCTL_SET_VERBOSITY = 19,
+ GCRYCTL_SET_DEBUG_FLAGS = 20,
+ GCRYCTL_CLEAR_DEBUG_FLAGS = 21,
+ GCRYCTL_USE_SECURE_RNDPOOL= 22,
+ GCRYCTL_DUMP_MEMORY_STATS = 23,
+ GCRYCTL_INIT_SECMEM = 24,
+ GCRYCTL_TERM_SECMEM = 25,
+ GCRYCTL_DISABLE_SECMEM_WARN = 27,
+ GCRYCTL_SUSPEND_SECMEM_WARN = 28,
+ GCRYCTL_RESUME_SECMEM_WARN = 29,
+ GCRYCTL_DROP_PRIVS = 30,
+ GCRYCTL_ENABLE_M_GUARD = 31,
+ GCRYCTL_START_DUMP = 32,
+ GCRYCTL_STOP_DUMP = 33,
+ GCRYCTL_GET_ALGO_USAGE = 34,
+ GCRYCTL_IS_ALGO_ENABLED = 35,
+ GCRYCTL_DISABLE_INTERNAL_LOCKING = 36,
+ GCRYCTL_DISABLE_SECMEM = 37,
+ GCRYCTL_INITIALIZATION_FINISHED = 38,
+ GCRYCTL_INITIALIZATION_FINISHED_P = 39,
+ GCRYCTL_ANY_INITIALIZATION_P = 40,
+ GCRYCTL_SET_CBC_CTS = 41,
+ GCRYCTL_SET_CBC_MAC = 42,
+ GCRYCTL_SET_CTR = 43,
+ GCRYCTL_ENABLE_QUICK_RANDOM = 44,
+ GCRYCTL_SET_RANDOM_SEED_FILE = 45,
+ GCRYCTL_UPDATE_RANDOM_SEED_FILE = 46,
+ GCRYCTL_SET_THREAD_CBS = 47,
+ GCRYCTL_FAST_POLL = 48
+ };
+
+/* Perform various operations defined by CMD. */
+gcry_error_t gcry_control (enum gcry_ctl_cmds CMD, ...);
+
+
+/* S-expression management. */
+
+/* The object to represent an S-expression as used with the public key
+ functions. */
+struct gcry_sexp;
+typedef struct gcry_sexp *gcry_sexp_t;
+
+typedef struct gcry_sexp *GCRY_SEXP _GCRY_GCC_ATTR_DEPRECATED;
+typedef struct gcry_sexp *GcrySexp _GCRY_GCC_ATTR_DEPRECATED;
+
+/* The possible values for the S-expression format. */
+enum gcry_sexp_format
+ {
+ GCRYSEXP_FMT_DEFAULT = 0,
+ GCRYSEXP_FMT_CANON = 1,
+ GCRYSEXP_FMT_BASE64 = 2,
+ GCRYSEXP_FMT_ADVANCED = 3
+ };
+
+/* Create an new S-expression object from BUFFER of size LENGTH and
+ return it in RETSEXP. With AUTODETECT set to 0 the data in BUFFER
+ is expected to be in canonized format. */
+gcry_error_t gcry_sexp_new (gcry_sexp_t *retsexp,
+ const void *buffer, size_t length,
+ int autodetect);
+
+ /* Same as gcry_sexp_new but allows to pass a FREEFNC which has the
+ effect to transfer ownership of BUFFER to the created object. */
+gcry_error_t gcry_sexp_create (gcry_sexp_t *retsexp,
+ void *buffer, size_t length,
+ int autodetect, void (*freefnc) (void *));
+
+/* Scan BUFFER and return a new S-expression object in RETSEXP. This
+ function expects a printf like string in BUFFER. */
+gcry_error_t gcry_sexp_sscan (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *buffer, size_t length);
+
+/* Same as gcry_sexp_sscan but expects a string in FORMAT and can thus
+ only be used for certain encodings. */
+gcry_error_t gcry_sexp_build (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *format, ...);
+
+/* Like gcry_sexp_build, but uses an array instead of variable
+ function arguments. */
+gcry_error_t gcry_sexp_build_array (gcry_sexp_t *retsexp, size_t *erroff,
+ const char *format, void **arg_list);
+
+/* Release the S-expression object SEXP */
+void gcry_sexp_release (gcry_sexp_t sexp);
+
+/* Calculate the length of an canonized S-expresion in BUFFER and
+ check for a valid encoding. */
+size_t gcry_sexp_canon_len (const unsigned char *buffer, size_t length,
+ size_t *erroff, gcry_error_t *errcode);
+
+/* Copies the S-expression object SEXP into BUFFER using the format
+ specified in MODE. */
+size_t gcry_sexp_sprint (gcry_sexp_t sexp, int mode, void *buffer,
+ size_t maxlength);
+
+/* Dumps the S-expression object A in a aformat suitable for debugging
+ to Libgcrypt's logging stream. */
+void gcry_sexp_dump (const gcry_sexp_t a);
+
+gcry_sexp_t gcry_sexp_cons (const gcry_sexp_t a, const gcry_sexp_t b);
+gcry_sexp_t gcry_sexp_alist (const gcry_sexp_t *array);
+gcry_sexp_t gcry_sexp_vlist (const gcry_sexp_t a, ...);
+gcry_sexp_t gcry_sexp_append (const gcry_sexp_t a, const gcry_sexp_t n);
+gcry_sexp_t gcry_sexp_prepend (const gcry_sexp_t a, const gcry_sexp_t n);
+
+/* Scan the S-expression for a sublist with a type (the car of the
+ list) matching the string TOKEN. If TOKLEN is not 0, the token is
+ assumed to be raw memory of this length. The function returns a
+ newly allocated S-expression consisting of the found sublist or
+ `NULL' when not found. */
+gcry_sexp_t gcry_sexp_find_token (gcry_sexp_t list,
+ const char *tok, size_t toklen);
+/* Return the length of the LIST. For a valid S-expression this
+ should be at least 1. */
+int gcry_sexp_length (const gcry_sexp_t list);
+
+/* Create and return a new S-expression from the element with index
+ NUMBER in LIST. Note that the first element has the index 0. If
+ there is no such element, `NULL' is returned. */
+gcry_sexp_t gcry_sexp_nth (const gcry_sexp_t list, int number);
+
+/* Create and return a new S-expression from the first element in
+ LIST; this called the "type" and should always exist and be a
+ string. `NULL' is returned in case of a problem. */
+gcry_sexp_t gcry_sexp_car (const gcry_sexp_t list);
+
+/* Create and return a new list form all elements except for the first
+ one. Note, that this function may return an invalid S-expression
+ because it is not guaranteed, that the type exists and is a string.
+ However, for parsing a complex S-expression it might be useful for
+ intermediate lists. Returns `NULL' on error. */
+gcry_sexp_t gcry_sexp_cdr (const gcry_sexp_t list);
+
+gcry_sexp_t gcry_sexp_cadr (const gcry_sexp_t list);
+
+
+/* This function is used to get data from a LIST. A pointer to the
+ actual data with index NUMBER is returned and the length of this
+ data will be stored to DATALEN. If there is no data at the given
+ index or the index represents another list, `NULL' is returned.
+ *Note:* The returned pointer is valid as long as LIST is not
+ modified or released. */
+const char *gcry_sexp_nth_data (const gcry_sexp_t list, int number,
+ size_t *datalen);
+
+/* This function is used to get and convert data from a LIST. This
+ data is assumed to be an MPI stored in the format described by
+ MPIFMT and returned as a standard Libgcrypt MPI. The caller must
+ release this returned value using `gcry_mpi_release'. If there is
+ no data at the given index, the index represents a list or the
+ value can't be converted to an MPI, `NULL' is returned. */
+gcry_mpi_t gcry_sexp_nth_mpi (gcry_sexp_t list, int number, int mpifmt);
+
+
+
+/*******************************************
+ * *
+ * multi precision integer functions *
+ * *
+ *******************************************/
+
+/* Different formats of external big integer representation. */
+enum gcry_mpi_format
+ {
+ GCRYMPI_FMT_NONE= 0,
+ GCRYMPI_FMT_STD = 1, /* twos complement stored without length */
+ GCRYMPI_FMT_PGP = 2, /* As used by OpenPGP (only defined as unsigned)*/
+ GCRYMPI_FMT_SSH = 3, /* As used by SSH (same as 1 but with length)*/
+ GCRYMPI_FMT_HEX = 4, /* hex format */
+ GCRYMPI_FMT_USG = 5 /* like STD but this is an unsigned one */
+ };
+
+/* Flags used for creating big integers. */
+enum gcry_mpi_flag
+ {
+ GCRYMPI_FLAG_SECURE = 1, /* Allocate the number in "secure" memory. */
+ GCRYMPI_FLAG_OPAQUE = 2 /* The number is not a real one but just a
+ way to store some bytes. This is
+ useful for encrypted big integers. */
+ };
+
+
+/* Allocate a new big integer object, initialize it with 0 and
+ initially allocate memory for a number of at least NBITS. */
+gcry_mpi_t gcry_mpi_new (unsigned int nbits);
+
+/* Same as gcry_mpi_new() but allocate in "secure" memory. */
+gcry_mpi_t gcry_mpi_snew (unsigned int nbits);
+
+/* Release the number A and free all associated resources. */
+void gcry_mpi_release (gcry_mpi_t a);
+
+/* Create a new number with the same value as A. */
+gcry_mpi_t gcry_mpi_copy (const gcry_mpi_t a);
+
+/* Store the big integer value U in W. */
+gcry_mpi_t gcry_mpi_set (gcry_mpi_t w, const gcry_mpi_t u);
+
+/* Store the unsigned integer value U in W. */
+gcry_mpi_t gcry_mpi_set_ui (gcry_mpi_t w, unsigned long u);
+
+/* Swap the values of A and B. */
+void gcry_mpi_swap (gcry_mpi_t a, gcry_mpi_t b);
+
+/* Compare the big integer number U and V returning 0 for equality, a
+ positive value for U > V and a negative for U < V. */
+int gcry_mpi_cmp (const gcry_mpi_t u, const gcry_mpi_t v);
+
+/* Compare the big integer number U with the unsigned integer V
+ returning 0 for equality, a positive value for U > V and a negative
+ for U < V. */
+int gcry_mpi_cmp_ui (const gcry_mpi_t u, unsigned long v);
+
+/* Convert the external representation of an integer stored in BUFFER
+ with a length of BUFLEN into a newly create MPI returned in
+ RET_MPI. If NSCANNED is not NULL, it will receive the number of
+ bytes actually scanned after a successful operation. */
+gcry_error_t gcry_mpi_scan (gcry_mpi_t *ret_mpi, enum gcry_mpi_format format,
+ const void *buffer, size_t buflen,
+ size_t *nscanned);
+
+/* Convert the big integer A into the external representation
+ described by FORMAT and store it in the provided BUFFER which has
+ been allocated by the user with a size of BUFLEN bytes. NWRITTEN
+ receives the actual length of the external representation unless it
+ has been passed as NULL. */
+gcry_error_t gcry_mpi_print (enum gcry_mpi_format format,
+ unsigned char *buffer, size_t buflen,
+ size_t *nwritten,
+ const gcry_mpi_t a);
+
+/* Convert the big integer A int the external representation described
+ by FORMAT and store it in a newly allocated buffer which address
+ will be put into BUFFER. NWRITTEN receives the actual lengths of the
+ external representation. */
+gcry_error_t gcry_mpi_aprint (enum gcry_mpi_format format,
+ unsigned char **buffer, size_t *nwritten,
+ const gcry_mpi_t a);
+
+/* Dump the value of A in a format suitable for debugging to
+ Libgcrypt's logging stream. Note that one leading space but no
+ trailing space or linefeed will be printed. It is okay to pass
+ NULL for A. */
+void gcry_mpi_dump (const gcry_mpi_t a);
+
+
+/* W = U + V. */
+void gcry_mpi_add (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v);
+
+/* W = U + V. V is an unsigned integer. */
+void gcry_mpi_add_ui (gcry_mpi_t w, gcry_mpi_t u, unsigned long v);
+
+/* W = U + V mod M. */
+void gcry_mpi_addm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m);
+
+/* W = U - V. */
+void gcry_mpi_sub (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v);
+
+/* W = U - V. V is an unsigned integer. */
+void gcry_mpi_sub_ui (gcry_mpi_t w, gcry_mpi_t u, unsigned long v );
+
+/* W = U - V mod M */
+void gcry_mpi_subm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m);
+
+/* W = U * V. */
+void gcry_mpi_mul (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v);
+
+/* W = U * V. V is an unsigned integer. */
+void gcry_mpi_mul_ui (gcry_mpi_t w, gcry_mpi_t u, unsigned long v );
+
+/* W = U * V mod M. */
+void gcry_mpi_mulm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m);
+
+/* W = U * (2 ^ CNT). */
+void gcry_mpi_mul_2exp (gcry_mpi_t w, gcry_mpi_t u, unsigned long cnt);
+
+/* Q = DIVIDEND / DIVISOR, R = DIVIDEND % DIVISOR,
+ Q or R may be passed as NULL. ROUND should be negative or 0. */
+void gcry_mpi_div (gcry_mpi_t q, gcry_mpi_t r,
+ gcry_mpi_t dividend, gcry_mpi_t divisor, int round);
+
+/* R = DIVIDEND % DIVISOR */
+void gcry_mpi_mod (gcry_mpi_t r, gcry_mpi_t dividend, gcry_mpi_t divisor);
+
+/* W = B ^ E mod M. */
+void gcry_mpi_powm (gcry_mpi_t w,
+ const gcry_mpi_t b, const gcry_mpi_t e,
+ const gcry_mpi_t m);
+
+/* Set G to the greatest common divisor of A and B.
+ Return true if the G is 1. */
+int gcry_mpi_gcd (gcry_mpi_t g, gcry_mpi_t a, gcry_mpi_t b);
+
+/* Set X to the multiplicative inverse of A mod M.
+ Return true if the value exists. */
+int gcry_mpi_invm (gcry_mpi_t x, gcry_mpi_t a, gcry_mpi_t m);
+
+
+/* Return the number of bits required to represent A. */
+unsigned int gcry_mpi_get_nbits (gcry_mpi_t a);
+
+/* Return true when bit number N (counting from 0) is set in A. */
+int gcry_mpi_test_bit (gcry_mpi_t a, unsigned int n);
+
+/* Set bit number N in A. */
+void gcry_mpi_set_bit (gcry_mpi_t a, unsigned int n);
+
+/* Clear bit number N in A. */
+void gcry_mpi_clear_bit (gcry_mpi_t a, unsigned int n);
+
+/* Set bit number N in A and clear all bits greater than N. */
+void gcry_mpi_set_highbit (gcry_mpi_t a, unsigned int n);
+
+/* Clear bit number N in A and all bits greater than N. */
+void gcry_mpi_clear_highbit (gcry_mpi_t a, unsigned int n);
+
+/* Shift the value of A by N bits to the right and store the result in X. */
+void gcry_mpi_rshift (gcry_mpi_t x, gcry_mpi_t a, unsigned int n);
+
+/* Store NBITS of the value P points to in A and mark A as an opaque
+ value. WARNING: Never use an opaque MPI for anything thing else then
+ gcry_mpi_release, gcry_mpi_get_opaque. */
+gcry_mpi_t gcry_mpi_set_opaque (gcry_mpi_t a, void *p, unsigned int nbits);
+
+/* Return a pointer to an opaque value stored in A and return its size
+ in NBITS. Note that the returned pointer is still owned by A and
+ that the function should never be used for an non-opaque MPI. */
+void *gcry_mpi_get_opaque (gcry_mpi_t a, unsigned int *nbits);
+
+/* Set the FLAG for the big integer A. Currently only the flag
+ GCRYMPI_FLAG_SECURE is allowed to convert A into an big intger
+ stored in "secure" memory. */
+void gcry_mpi_set_flag (gcry_mpi_t a, enum gcry_mpi_flag flag);
+
+/* Clear FLAG for the big integer A. Note that this function is
+ currently useless as no flags are allowed. */
+void gcry_mpi_clear_flag (gcry_mpi_t a, enum gcry_mpi_flag flag);
+
+/* Return true when the FLAG is set for A. */
+int gcry_mpi_get_flag (gcry_mpi_t a, enum gcry_mpi_flag flag);
+
+/* Unless the GCRYPT_NO_MPI_MACROS is used, provide a couple of
+ convenience macors for the big integer functions. */
+#ifndef GCRYPT_NO_MPI_MACROS
+#define mpi_new(n) gcry_mpi_new( (n) )
+#define mpi_secure_new( n ) gcry_mpi_snew( (n) )
+#define mpi_release(a) \
+ do \
+ { \
+ gcry_mpi_release ((a)); \
+ (a) = NULL; \
+ } \
+ while (0)
+
+#define mpi_copy( a ) gcry_mpi_copy( (a) )
+#define mpi_set( w, u) gcry_mpi_set( (w), (u) )
+#define mpi_set_ui( w, u) gcry_mpi_set_ui( (w), (u) )
+#define mpi_cmp( u, v ) gcry_mpi_cmp( (u), (v) )
+#define mpi_cmp_ui( u, v ) gcry_mpi_cmp_ui( (u), (v) )
+
+#define mpi_add_ui(w,u,v) gcry_mpi_add_ui((w),(u),(v))
+#define mpi_add(w,u,v) gcry_mpi_add ((w),(u),(v))
+#define mpi_addm(w,u,v,m) gcry_mpi_addm ((w),(u),(v),(m))
+#define mpi_sub_ui(w,u,v) gcry_mpi_sub_ui ((w),(u),(v))
+#define mpi_sub(w,u,v) gcry_mpi_sub ((w),(u),(v))
+#define mpi_subm(w,u,v,m) gcry_mpi_subm ((w),(u),(v),(m))
+#define mpi_mul_ui(w,u,v) gcry_mpi_mul_ui ((w),(u),(v))
+#define mpi_mul_2exp(w,u,v) gcry_mpi_mul_2exp ((w),(u),(v))
+#define mpi_mul(w,u,v) gcry_mpi_mul ((w),(u),(v))
+#define mpi_mulm(w,u,v,m) gcry_mpi_mulm ((w),(u),(v),(m))
+#define mpi_powm(w,b,e,m) gcry_mpi_powm ( (w), (b), (e), (m) )
+#define mpi_tdiv(q,r,a,m) gcry_mpi_div ( (q), (r), (a), (m), 0)
+#define mpi_fdiv(q,r,a,m) gcry_mpi_div ( (q), (r), (a), (m), -1)
+#define mpi_mod(r,a,m) gcry_mpi_mod ((r), (a), (m))
+#define mpi_gcd(g,a,b) gcry_mpi_gcd ( (g), (a), (b) )
+#define mpi_invm(g,a,b) gcry_mpi_invm ( (g), (a), (b) )
+
+#define mpi_get_nbits(a) gcry_mpi_get_nbits ((a))
+#define mpi_test_bit(a,b) gcry_mpi_test_bit ((a),(b))
+#define mpi_set_bit(a,b) gcry_mpi_set_bit ((a),(b))
+#define mpi_set_highbit(a,b) gcry_mpi_set_highbit ((a),(b))
+#define mpi_clear_bit(a,b) gcry_mpi_clear_bit ((a),(b))
+#define mpi_clear_highbit(a,b) gcry_mpi_clear_highbit ((a),(b))
+#define mpi_rshift(a,b,c) gcry_mpi_rshift ((a),(b),(c))
+
+#define mpi_set_opaque(a,b,c) gcry_mpi_set_opaque( (a), (b), (c) )
+#define mpi_get_opaque(a,b) gcry_mpi_get_opaque( (a), (b) )
+#endif /* GCRYPT_NO_MPI_MACROS */
+
+
+
+/************************************
+ * *
+ * symmetric cipher functions *
+ * *
+ ************************************/
+
+/* The data object used to hold a handle to an encryption object. */
+struct gcry_cipher_handle;
+typedef struct gcry_cipher_handle *gcry_cipher_hd_t;
+
+typedef struct gcry_cipher_handle *GCRY_CIPHER_HD _GCRY_GCC_ATTR_DEPRECATED;
+typedef struct gcry_cipher_handle *GcryCipherHd _GCRY_GCC_ATTR_DEPRECATED;
+
+/* All symmetric encryption algorithms are identified by their IDs.
+ More IDs may be registered at runtime. */
+enum gcry_cipher_algos
+ {
+ GCRY_CIPHER_NONE = 0,
+ GCRY_CIPHER_IDEA = 1,
+ GCRY_CIPHER_3DES = 2,
+ GCRY_CIPHER_CAST5 = 3,
+ GCRY_CIPHER_BLOWFISH = 4,
+ GCRY_CIPHER_SAFER_SK128 = 5,
+ GCRY_CIPHER_DES_SK = 6,
+ GCRY_CIPHER_AES = 7,
+ GCRY_CIPHER_AES192 = 8,
+ GCRY_CIPHER_AES256 = 9,
+ GCRY_CIPHER_TWOFISH = 10,
+
+ /* Other cipher numbers are above 300 for OpenPGP reasons. */
+ GCRY_CIPHER_ARCFOUR = 301, /* Fully compatible with RSA's RC4 (tm). */
+ GCRY_CIPHER_DES = 302, /* Yes, this is single key 56 bit DES. */
+ GCRY_CIPHER_TWOFISH128 = 303,
+ GCRY_CIPHER_SERPENT128 = 304,
+ GCRY_CIPHER_SERPENT192 = 305,
+ GCRY_CIPHER_SERPENT256 = 306,
+ GCRY_CIPHER_RFC2268_40 = 307, /* Ron's Cipher 2 (40 bit). */
+ GCRY_CIPHER_RFC2268_128 = 308 /* Ron's Cipher 2 (128 bit). */
+ };
+
+/* The Rijndael algorithm is basically AES, so provide some macros. */
+#define GCRY_CIPHER_AES128 GCRY_CIPHER_AES
+#define GCRY_CIPHER_RIJNDAEL GCRY_CIPHER_AES
+#define GCRY_CIPHER_RIJNDAEL128 GCRY_CIPHER_AES128
+#define GCRY_CIPHER_RIJNDAEL192 GCRY_CIPHER_AES192
+#define GCRY_CIPHER_RIJNDAEL256 GCRY_CIPHER_AES256
+
+/* The supported encryption modes. Note that not all of them are
+ supported for each algorithm. */
+enum gcry_cipher_modes
+ {
+ GCRY_CIPHER_MODE_NONE = 0, /* Not yet specified. */
+ GCRY_CIPHER_MODE_ECB = 1, /* Electronic codebook. */
+ GCRY_CIPHER_MODE_CFB = 2, /* Cipher feedback. */
+ GCRY_CIPHER_MODE_CBC = 3, /* Cipher block chaining. */
+ GCRY_CIPHER_MODE_STREAM = 4, /* Used with stream ciphers. */
+ GCRY_CIPHER_MODE_OFB = 5, /* Outer feedback. */
+ GCRY_CIPHER_MODE_CTR = 6 /* Counter. */
+ };
+
+/* Flags used with the open function. */
+enum gcry_cipher_flags
+ {
+ GCRY_CIPHER_SECURE = 1, /* Allocate in secure memory. */
+ GCRY_CIPHER_ENABLE_SYNC = 2, /* Enable CFB sync mode. */
+ GCRY_CIPHER_CBC_CTS = 4, /* Enable CBC cipher text stealing (CTS). */
+ GCRY_CIPHER_CBC_MAC = 8 /* Enable CBC message auth. code (MAC). */
+ };
+
+
+/* Create a handle for algorithm ALGO to be used in MODE. FLAGS may
+ be given as an bitwise OR of the gcry_cipher_flags values. */
+gcry_error_t gcry_cipher_open (gcry_cipher_hd_t *handle,
+ int algo, int mode, unsigned int flags);
+
+/* Close the cioher handle H and release all resource. */
+void gcry_cipher_close (gcry_cipher_hd_t h);
+
+/* Perform various operations on the cipher object H. */
+gcry_error_t gcry_cipher_ctl (gcry_cipher_hd_t h, int cmd, void *buffer,
+ size_t buflen);
+
+/* Retrieve various information about the cipher object H. */
+gcry_error_t gcry_cipher_info (gcry_cipher_hd_t h, int what, void *buffer,
+ size_t *nbytes);
+
+/* Retrieve various information about the cipher algorithm ALGO. */
+gcry_error_t gcry_cipher_algo_info (int algo, int what, void *buffer,
+ size_t *nbytes);
+
+/* Map the cipher algorithm id ALGO to a string representation of that
+ algorithm name. For unknown algorithms this functions returns an
+ empty string. */
+const char *gcry_cipher_algo_name (int algo) _GCRY_GCC_ATTR_PURE;
+
+/* Map the algorithm name NAME to an cipher algorithm ID. Return 0 if
+ the algorithm name is not known. */
+int gcry_cipher_map_name (const char *name) _GCRY_GCC_ATTR_PURE;
+
+/* Given an ASN.1 object identifier in standard IETF dotted decimal
+ format in STRING, return the encryption mode associated with that
+ OID or 0 if not known or applicable. */
+int gcry_cipher_mode_from_oid (const char *string) _GCRY_GCC_ATTR_PURE;
+
+/* Encrypt the plaintext of size INLEN in IN using the cipher handle H
+ into the buffer OUT which has an allocated length of OUTSIZE. For
+ most algorithms it is possible to pass NULL for in and 0 for INLEN
+ and do a in-place decryption of the data provided in OUT. */
+gcry_error_t gcry_cipher_encrypt (gcry_cipher_hd_t h,
+ void *out, size_t outsize,
+ const void *in, size_t inlen);
+
+/* The counterpart to gcry_cipher_encrypt. */
+gcry_error_t gcry_cipher_decrypt (gcry_cipher_hd_t h,
+ void *out, size_t outsize,
+ const void *in, size_t inlen);
+
+/* Set key K of length L for the cipher handle H. (We have to cast
+ away a const char* here - this catch-all ctl function was probably
+ not the best choice) */
+#define gcry_cipher_setkey(h,k,l) gcry_cipher_ctl( (h), GCRYCTL_SET_KEY, \
+ (char*)(k), (l) )
+
+/* Set initialization vector K of length L for the cipher handle H. */
+#define gcry_cipher_setiv(h,k,l) gcry_cipher_ctl( (h), GCRYCTL_SET_IV, \
+ (char*)(k), (l) )
+
+/* Reset the handle to the state after open. */
+#define gcry_cipher_reset(h) gcry_cipher_ctl ((h), GCRYCTL_RESET, NULL, 0)
+
+/* Perform the the OpenPGP sync operation if this is enabled for the
+ cipher handle H. */
+#define gcry_cipher_sync(h) gcry_cipher_ctl( (h), GCRYCTL_CFB_SYNC, \
+ NULL, 0 )
+
+/* Enable or disable CTS in future calls to gcry_encrypt(). CBC mode only. */
+#define gcry_cipher_cts(h,on) gcry_cipher_ctl( (h), GCRYCTL_SET_CBC_CTS, \
+ NULL, on )
+
+/* Set counter for CTR mode. (K,L) must denote a buffer of block size
+ length, or (NULL,0) to set the CTR to the all-zero block. */
+#define gcry_cipher_setctr(h,k,l) gcry_cipher_ctl( (h), GCRYCTL_SET_CTR, \
+ (char*)(k), (l) )
+
+/* Retrieved the key length used with algorithm A. */
+size_t gcry_cipher_get_algo_keylen (int algo);
+
+/* Retrieve the block length used with algorithm A. */
+size_t gcry_cipher_get_algo_blklen (int algo);
+
+/* Return 0 if the algorithm A is available for use. */
+#define gcry_cipher_test_algo(a) \
+ gcry_cipher_algo_info( (a), GCRYCTL_TEST_ALGO, NULL, NULL )
+
+/* Get a list consisting of the IDs of the loaded cipher modules. If
+ LIST is zero, write the number of loaded cipher modules to
+ LIST_LENGTH and return. If LIST is non-zero, the first
+ *LIST_LENGTH algorithm IDs are stored in LIST, which must be of
+ according size. In case there are less cipher modules than
+ *LIST_LENGTH, *LIST_LENGTH is updated to the correct number. */
+gcry_error_t gcry_cipher_list (int *list, int *list_length);
+
+
+/************************************
+ * *
+ * asymmetric cipher functions *
+ * *
+ ************************************/
+
+/* The algorithms and their IDs we support. */
+enum gcry_pk_algos
+ {
+ GCRY_PK_RSA = 1,
+ GCRY_PK_RSA_E = 2, /* deprecated */
+ GCRY_PK_RSA_S = 3, /* deprecated */
+ GCRY_PK_ELG_E = 16, /* use only for OpenPGP */
+ GCRY_PK_DSA = 17,
+ GCRY_PK_ELG = 20
+ };
+
+/* Flags describing usage capabilities of a PK algorithm. */
+#define GCRY_PK_USAGE_SIGN 1 /* Good for signatures. */
+#define GCRY_PK_USAGE_ENCR 2 /* Good for encryption. */
+#define GCRY_PK_USAGE_CERT 4 /* Good to certify other keys. */
+#define GCRY_PK_USAGE_AUTH 8 /* Good for authentication. */
+#define GCRY_PK_USAGE_UNKN 128 /* Unknown usage flag. */
+
+/* Encrypt the DATA using the public key PKEY and store the result as
+ a newly created S-expression at RESULT. */
+gcry_error_t gcry_pk_encrypt (gcry_sexp_t *result,
+ gcry_sexp_t data, gcry_sexp_t pkey);
+
+/* Decrypt the DATA using the private key SKEY and store the result as
+ a newly created S-expression at RESULT. */
+gcry_error_t gcry_pk_decrypt (gcry_sexp_t *result,
+ gcry_sexp_t data, gcry_sexp_t skey);
+
+/* Sign the DATA using the private key SKEY and store the result as
+ a newly created S-expression at RESULT. */
+gcry_error_t gcry_pk_sign (gcry_sexp_t *result,
+ gcry_sexp_t data, gcry_sexp_t skey);
+
+/* Check the signature SIGVAL on DATA using the public key PKEY. */
+gcry_error_t gcry_pk_verify (gcry_sexp_t sigval,
+ gcry_sexp_t data, gcry_sexp_t pkey);
+
+/* Check that private KEY is sane. */
+gcry_error_t gcry_pk_testkey (gcry_sexp_t key);
+
+/* Generate a new key pair according to the parameters given in
+ S_PARMS. The new key pair is returned in as an S-expression in
+ R_KEY. */
+gcry_error_t gcry_pk_genkey (gcry_sexp_t *r_key, gcry_sexp_t s_parms);
+
+/* Catch all function for miscellaneous operations. */
+gcry_error_t gcry_pk_ctl (int cmd, void *buffer, size_t buflen);
+
+/* Retrieve information about the public key algorithm ALGO. */
+gcry_error_t gcry_pk_algo_info (int algo, int what,
+ void *buffer, size_t *nbytes);
+
+/* Map the public key algorithm id ALGO to a string representation of the
+ algorithm name. For unknown algorithms this functions returns an
+ empty string. */
+const char *gcry_pk_algo_name (int algo) _GCRY_GCC_ATTR_PURE;
+
+/* Map the algorithm NAME to a public key algorithm Id. Return 0 if
+ the algorithm name is not known. */
+int gcry_pk_map_name (const char* name) _GCRY_GCC_ATTR_PURE;
+
+/* Return what is commonly referred as the key length for the given
+ public or private KEY. */
+unsigned int gcry_pk_get_nbits (gcry_sexp_t key) _GCRY_GCC_ATTR_PURE;
+
+/* Please note that keygrip is still experimental and should not be
+ used without contacting the author. */
+unsigned char *gcry_pk_get_keygrip (gcry_sexp_t key, unsigned char *array);
+
+/* Return 0 if the public key algorithm A is available for use. */
+#define gcry_pk_test_algo(a) \
+ gcry_pk_algo_info( (a), GCRYCTL_TEST_ALGO, NULL, NULL )
+
+/* Get a list consisting of the IDs of the loaded pubkey modules. If
+ LIST is zero, write the number of loaded pubkey modules to
+ LIST_LENGTH and return. If LIST is non-zero, the first
+ *LIST_LENGTH algorithm IDs are stored in LIST, which must be of
+ according size. In case there are less pubkey modules than
+ *LIST_LENGTH, *LIST_LENGTH is updated to the correct number. */
+gcry_error_t gcry_pk_list (int *list, int *list_length);
+
+/* Alternative interface for asymetric cryptography. */
+
+/* The algorithm IDs. */
+typedef enum gcry_ac_id
+ {
+ GCRY_AC_RSA = 1,
+ GCRY_AC_DSA = 17,
+ GCRY_AC_ELG = 20,
+ GCRY_AC_ELG_E = 16
+ }
+gcry_ac_id_t;
+
+/* Key types. */
+typedef enum gcry_ac_key_type
+ {
+ GCRY_AC_KEY_SECRET,
+ GCRY_AC_KEY_PUBLIC
+ }
+gcry_ac_key_type_t;
+
+/* AC data. */
+#define GCRY_AC_FLAG_DEALLOC (1 << 0)
+#define GCRY_AC_FLAG_COPY (1 << 1)
+#define GCRY_AC_FLAG_NO_BLINDING (1 << 2)
+
+/* This type represents a `data set'. */
+typedef struct gcry_ac_data *gcry_ac_data_t;
+
+/* This type represents a single `key', either a secret one or a
+ public one. */
+typedef struct gcry_ac_key *gcry_ac_key_t;
+
+/* This type represents a `key pair' containing a secret and a public
+ key. */
+typedef struct gcry_ac_key_pair *gcry_ac_key_pair_t;
+
+/* This type represents a `handle' that is needed by functions
+ performing cryptographic operations. */
+typedef struct gcry_ac_handle *gcry_ac_handle_t;
+
+/* The caller of gcry_ac_key_pair_generate can provide one of these
+ structures in order to influence the key generation process in an
+ algorithm-specific way. */
+typedef struct gcry_ac_key_spec_rsa
+{
+ gcry_mpi_t e; /* E to use. */
+} gcry_ac_key_spec_rsa_t;
+
+/* Returns a new, empty data set in DATA. */
+gcry_error_t gcry_ac_data_new (gcry_ac_data_t *data);
+
+/* Destroy the data set DATA. */
+void gcry_ac_data_destroy (gcry_ac_data_t data);
+
+/* Create a copy of the data set DATA and store it in DATA_CP. */
+gcry_error_t gcry_ac_data_copy (gcry_ac_data_t *data_cp,
+ gcry_ac_data_t data);
+
+/* Return the number of named MPI values inside of the data set
+ DATA. */
+unsigned int gcry_ac_data_length (gcry_ac_data_t data);
+
+/* Destroy any values contained in the data set DATA. */
+void gcry_ac_data_clear (gcry_ac_data_t data);
+
+/* Add the value MPI to DATA with the label NAME. If FLAGS contains
+ GCRY_AC_FLAG_DATA_COPY, the data set will contain copies of NAME
+ and MPI. If FLAGS contains GCRY_AC_FLAG_DATA_DEALLOC or
+ GCRY_AC_FLAG_DATA_COPY, the values contained in the data set will
+ be deallocated when they are to be removed from the data set. */
+gcry_error_t gcry_ac_data_set (gcry_ac_data_t data, unsigned int flags,
+ const char *name, gcry_mpi_t mpi);
+
+/* Store the value labelled with NAME found in DATA in MPI. If FLAGS
+ contains GCRY_AC_FLAG_COPY, store a copy of the MPI value contained
+ in the data set. MPI may be NULL. */
+gcry_error_t gcry_ac_data_get_name (gcry_ac_data_t data, unsigned int flags,
+ const char *name, gcry_mpi_t *mpi);
+
+/* Stores in NAME and MPI the named MPI value contained in the data
+ set DATA with the index IDX. If FLAGS contains GCRY_AC_FLAG_COPY,
+ store copies of the values contained in the data set. NAME or MPI
+ may be NULL. */
+gcry_error_t gcry_ac_data_get_index (gcry_ac_data_t data, unsigned int flags,
+ unsigned int idx,
+ const char **name, gcry_mpi_t *mpi);
+
+/* Create a new ac handle. */
+gcry_error_t gcry_ac_open (gcry_ac_handle_t *handle,
+ gcry_ac_id_t algorithm, unsigned int flags);
+
+/* Destroy an ac handle. */
+void gcry_ac_close (gcry_ac_handle_t handle);
+
+/* Initialize a key from a given data set. */
+gcry_error_t gcry_ac_key_init (gcry_ac_key_t *key, gcry_ac_handle_t handle,
+ gcry_ac_key_type_t type, gcry_ac_data_t data);
+
+/* Generates a new key pair via the handle HANDLE of NBITS bits and
+ stores it in KEY_PAIR. In case non-standard settings are wanted, a
+ pointer to a structure of type gcry_ac_key_spec_<algorithm>_t,
+ matching the selected algorithm, can be given as KEY_SPEC.
+ MISC_DATA is not used yet. */
+gcry_error_t gcry_ac_key_pair_generate (gcry_ac_handle_t handle,
+ unsigned int nbits, void *spec,
+ gcry_ac_key_pair_t *key_pair,
+ gcry_mpi_t **misc_data);
+
+/* Returns the key of type WHICH out of the key pair KEY_PAIR. */
+gcry_ac_key_t gcry_ac_key_pair_extract (gcry_ac_key_pair_t key_pair,
+ gcry_ac_key_type_t which);
+
+/* Returns the data set contained in the key KEY. */
+gcry_ac_data_t gcry_ac_key_data_get (gcry_ac_key_t key);
+
+/* Verifies that the key KEY is sane via HANDLE. */
+gcry_error_t gcry_ac_key_test (gcry_ac_handle_t handle, gcry_ac_key_t key);
+
+/* Stores the number of bits of the key KEY in NBITS via HANDLE. */
+gcry_error_t gcry_ac_key_get_nbits (gcry_ac_handle_t handle,
+ gcry_ac_key_t key, unsigned int *nbits);
+
+/* Writes the 20 byte long key grip of the key KEY to KEY_GRIP via
+ HANDLE. */
+gcry_error_t gcry_ac_key_get_grip (gcry_ac_handle_t handle, gcry_ac_key_t key,
+ unsigned char *key_grip);
+
+/* Destroy a key. */
+void gcry_ac_key_destroy (gcry_ac_key_t key);
+
+/* Destroy a key pair. */
+void gcry_ac_key_pair_destroy (gcry_ac_key_pair_t key_pair);
+
+/* Encrypt the plain text MPI value DATA_PLAIN with the key KEY under
+ the control of the flags FLAGS and store the resulting data set
+ into DATA_ENCRYPTED. */
+gcry_error_t gcry_ac_data_encrypt (gcry_ac_handle_t handle,
+ unsigned int flags,
+ gcry_ac_key_t key,
+ gcry_mpi_t data_plain,
+ gcry_ac_data_t *data_encrypted);
+
+/* Decrypt the decrypted data contained in the data set DATA_ENCRYPTED
+ with the key KEY under the control of the flags FLAGS and store the
+ resulting plain text MPI value in DATA_PLAIN. */
+gcry_error_t gcry_ac_data_decrypt (gcry_ac_handle_t handle,
+ unsigned int flags,
+ gcry_ac_key_t key,
+ gcry_mpi_t *data_plain,
+ gcry_ac_data_t data_encrypted);
+
+/* Sign the data contained in DATA with the key KEY and store the
+ resulting signature in the data set DATA_SIGNATURE. */
+gcry_error_t gcry_ac_data_sign (gcry_ac_handle_t handle,
+ gcry_ac_key_t key,
+ gcry_mpi_t data,
+ gcry_ac_data_t *data_signature);
+
+/* Verify that the signature contained in the data set DATA_SIGNATURE
+ is indeed the result of signing the data contained in DATA with the
+ secret key belonging to the public key KEY. */
+gcry_error_t gcry_ac_data_verify (gcry_ac_handle_t handle,
+ gcry_ac_key_t key,
+ gcry_mpi_t data,
+ gcry_ac_data_t data_signature);
+
+/* Store the textual representation of the algorithm whose id is given
+ in ALGORITHM in NAME. */
+gcry_error_t gcry_ac_id_to_name (gcry_ac_id_t algorithm,
+ const char **name);
+
+/* Store the numeric ID of the algorithm whose textual representation
+ is contained in NAME in ALGORITHM. */
+gcry_error_t gcry_ac_name_to_id (const char *name,
+ gcry_ac_id_t *algorithm);
+
+
+
+/************************************
+ * *
+ * cryptograhic hash functions *
+ * *
+ ************************************/
+
+/* Algorithm IDs for the hash functions we know about. Not all of them
+ are implemnted. */
+enum gcry_md_algos
+ {
+ GCRY_MD_NONE = 0,
+ GCRY_MD_MD5 = 1,
+ GCRY_MD_SHA1 = 2,
+ GCRY_MD_RMD160 = 3,
+ GCRY_MD_MD2 = 5,
+ GCRY_MD_TIGER = 6, /* TIGER/192. */
+ GCRY_MD_HAVAL = 7, /* HAVAL, 5 pass, 160 bit. */
+ GCRY_MD_SHA256 = 8,
+ GCRY_MD_SHA384 = 9,
+ GCRY_MD_SHA512 = 10,
+ GCRY_MD_MD4 = 301,
+ GCRY_MD_CRC32 = 302,
+ GCRY_MD_CRC32_RFC1510 = 303,
+ GCRY_MD_CRC24_RFC2440 = 304
+ };
+
+/* Flags used with the open function. */
+enum gcry_md_flags
+ {
+ GCRY_MD_FLAG_SECURE = 1, /* Allocate all buffers in "secure"
+ memory. */
+ GCRY_MD_FLAG_HMAC = 2 /* Make an HMAC out of this
+ algorithm. */
+ };
+
+/* Forward declaration. */
+struct gcry_md_context;
+
+/* This object is used to hold a handle to a message digest object.
+ This structure is private - only to be used by the public gcry_md_*
+ macros. */
+typedef struct gcry_md_handle
+{
+ /* Actual context. */
+ struct gcry_md_context *ctx;
+
+ /* Buffer management. */
+ int bufpos;
+ int bufsize;
+ unsigned char buf[1];
+} *gcry_md_hd_t;
+
+/* Compatibility types, do not use them. */
+typedef struct gcry_md_handle *GCRY_MD_HD _GCRY_GCC_ATTR_DEPRECATED;
+typedef struct gcry_md_handle *GcryMDHd _GCRY_GCC_ATTR_DEPRECATED;
+
+/* Create a message digest object for algorithm ALGO. FLAGS may be
+ given as an bitwise OR of the gcry_md_flags values. ALGO may be
+ given as 0 if the algorithms to be used are later set using
+ gcry_md_enable. */
+gcry_error_t gcry_md_open (gcry_md_hd_t *h, int algo, unsigned int flags);
+
+/* Release the message digest object HD. */
+void gcry_md_close (gcry_md_hd_t hd);
+
+/* Add the message digest algorithm ALGO to the digest object HD. */
+gcry_error_t gcry_md_enable (gcry_md_hd_t hd, int algo);
+
+/* Create a new digest object as an exact copy of the object HD. */
+gcry_error_t gcry_md_copy (gcry_md_hd_t *bhd, gcry_md_hd_t ahd);
+
+/* Reset the digest object HD to its initial state. */
+void gcry_md_reset (gcry_md_hd_t hd);
+
+/* Perform various operations on the digets object HD. */
+gcry_error_t gcry_md_ctl (gcry_md_hd_t hd, int cmd,
+ void *buffer, size_t buflen);
+
+/* Pass LENGTH bytes of data in BUFFER to the digest object HD so that
+ it can update the digest values. This is the actual hash
+ function. */
+void gcry_md_write (gcry_md_hd_t hd, const void *buffer, size_t length);
+
+/* Read out the final digest from HD return the digest value for
+ algorithm ALGO. */
+unsigned char *gcry_md_read (gcry_md_hd_t hd, int algo);
+
+/* Convenience function to calculate the hash from the data in BUFFER
+ of size LENGTH using the algorithm ALGO avoiding the creating of a
+ hash object. The hash is returned in the caller provided buffer
+ DIGEST which must be large enough to hold the digest of the given
+ algorithm. */
+void gcry_md_hash_buffer (int algo, void *digest,
+ const void *buffer, size_t length);
+
+/* Retrieve the algorithm used with HD. This does not work reliable
+ if more than one algorithm is enabled in HD. */
+int gcry_md_get_algo (gcry_md_hd_t hd);
+
+/* Retrieve the length in bytes of the digest yielded by algorithm
+ ALGO. */
+unsigned int gcry_md_get_algo_dlen (int algo);
+
+/* Return true if the the algorithm ALGO is enabled in the digest
+ object A. */
+int gcry_md_is_enabled (gcry_md_hd_t a, int algo);
+
+/* Return true if the digest object A is allocated in "secure" memory. */
+int gcry_md_is_secure (gcry_md_hd_t a);
+
+/* Retrieve various information about the object H. */
+gcry_error_t gcry_md_info (gcry_md_hd_t h, int what, void *buffer,
+ size_t *nbytes);
+
+/* Retrieve various information about the algorithm ALGO. */
+gcry_error_t gcry_md_algo_info (int algo, int what, void *buffer,
+ size_t *nbytes);
+
+/* Map the digest algorithm id ALGO to a string representation of the
+ algorithm name. For unknown algorithms this functions returns an
+ empty string. */
+const char *gcry_md_algo_name (int algo) _GCRY_GCC_ATTR_PURE;
+
+/* Map the algorithm NAME to a digest algorithm Id. Return 0 if
+ the algorithm name is not known. */
+int gcry_md_map_name (const char* name) _GCRY_GCC_ATTR_PURE;
+
+/* For use with the HMAC feature, the set MAC key to the KEY of
+ KEYLEN. */
+gcry_error_t gcry_md_setkey (gcry_md_hd_t hd, const void *key, size_t keylen);
+
+/* Update the hash(s) of H with the character C. This is a buffered
+ version of the gcry_md_write function. */
+#define gcry_md_putc(h,c) \
+ do { \
+ gcry_md_hd_t h__ = (h); \
+ if( (h__)->bufpos == (h__)->bufsize ) \
+ gcry_md_write( (h__), NULL, 0 ); \
+ (h__)->buf[(h__)->bufpos++] = (c) & 0xff; \
+ } while(0)
+
+/* Finalize the digest calculation. This is not really needed because
+ gcry_md_read() does this implicitly. */
+#define gcry_md_final(a) \
+ gcry_md_ctl ((a), GCRYCTL_FINALIZE, NULL, 0)
+
+/* Return 0 if the algorithm A is available for use. */
+#define gcry_md_test_algo(a) \
+ gcry_md_algo_info( (a), GCRYCTL_TEST_ALGO, NULL, NULL )
+
+/* Return an DER encoded ASN.1 OID for the algorithm A in buffer B. N
+ must point to size_t variable with the available size of buffer B.
+ After return it will receive the actual size of the returned
+ OID. */
+#define gcry_md_get_asnoid(a,b,n) \
+ gcry_md_algo_info((a), GCRYCTL_GET_ASNOID, (b), (n))
+
+/* Enable debugging for digets object A; i.e. create files named
+ dbgmd-<n>.<string> while hashing. B is a string used as the suffix
+ for the filename. */
+#define gcry_md_start_debug(a,b) \
+ gcry_md_ctl( (a), GCRYCTL_START_DUMP, (b), 0 )
+
+/* Disable the debugging of A. */
+#define gcry_md_stop_debug(a,b) \
+ gcry_md_ctl( (a), GCRYCTL_STOP_DUMP, (b), 0 )
+
+/* Get a list consisting of the IDs of the loaded message digest
+ modules. If LIST is zero, write the number of loaded message
+ digest modules to LIST_LENGTH and return. If LIST is non-zero, the
+ first *LIST_LENGTH algorithm IDs are stored in LIST, which must be
+ of according size. In case there are less message digest modules
+ than *LIST_LENGTH, *LIST_LENGTH is updated to the correct
+ number. */
+gcry_error_t gcry_md_list (int *list, int *list_length);
+
+
+/************************************
+ * *
+ * random generating functions *
+ * *
+ ************************************/
+
+/* The possible values for the random quality. The rule of thumb is
+ to use STRONG for session keys and VERY_STRONG for key material.
+ WEAK is currently an alias for STRONG and should not be used
+ anymore - use gcry_create_nonce instead. */
+typedef enum gcry_random_level
+ {
+ GCRY_WEAK_RANDOM = 0,
+ GCRY_STRONG_RANDOM = 1,
+ GCRY_VERY_STRONG_RANDOM = 2
+ }
+gcry_random_level_t;
+
+/* Fill BUFFER with LENGTH bytes of random, using random numbers of
+ quality LEVEL. */
+void gcry_randomize (void *buffer, size_t length,
+ enum gcry_random_level level);
+
+/* Add the external random from BUFFER with LENGTH bytes into the
+ pool. QUALITY should either be -1 for unknown or in the range of 0
+ to 100 */
+gcry_error_t gcry_random_add_bytes (const void *buffer, size_t length,
+ int quality);
+
+/* If random numbers are used in an application, this macro should be
+ called from time to time so that new stuff gets added to the
+ internal pool of the RNG. */
+#define gcry_fast_random_poll() gcry_control (GCRYCTL_FAST_POLL, NULL)
+
+
+/* Return NBYTES of allocated random using a random numbers of quality
+ LEVEL. */
+void *gcry_random_bytes (size_t nbytes, enum gcry_random_level level)
+ _GCRY_GCC_ATTR_MALLOC;
+
+/* Return NBYTES of allocated random using a random numbers of quality
+ LEVEL. The random numbers are created returned in "secure"
+ memory. */
+void *gcry_random_bytes_secure (size_t nbytes, enum gcry_random_level level)
+ _GCRY_GCC_ATTR_MALLOC;
+
+
+/* Set the big integer W to a random value of NBITS using a random
+ generator with quality LEVEL. */
+void gcry_mpi_randomize (gcry_mpi_t w,
+ unsigned int nbits, enum gcry_random_level level);
+
+
+/* Create an unpredicable nonce of LENGTH bytes in BUFFER. */
+void gcry_create_nonce (void *buffer, size_t length);
+
+
+
+/* Prime interface. */
+
+/* Mode values passed to a gcry_prime_check_func_t. */
+#define GCRY_PRIME_CHECK_AT_FINISH 0
+#define GCRY_PRIME_CHECK_AT_GOT_PRIME 1
+#define GCRY_PRIME_CHECK_AT_MAYBE_PRIME 2
+
+/* The function should return 1 if the operation shall continue, 0 to
+ reject the prime candidate. */
+typedef int (*gcry_prime_check_func_t) (void *arg, int mode,
+ gcry_mpi_t candidate);
+
+/* Flags for gcry_prime_generate(): */
+
+/* Allocate prime numbers and factors in secure memory. */
+#define GCRY_PRIME_FLAG_SECRET (1 << 0)
+
+/* Make sure that at least one prime factor is of size
+ `FACTOR_BITS'. */
+#define GCRY_PRIME_FLAG_SPECIAL_FACTOR (1 << 1)
+
+/* Generate a new prime number of PRIME_BITS bits and store it in
+ PRIME. If FACTOR_BITS is non-zero, one of the prime factors of
+ (prime - 1) / 2 must be FACTOR_BITS bits long. If FACTORS is
+ non-zero, allocate a new, NULL-terminated array holding the prime
+ factors and store it in FACTORS. FLAGS might be used to influence
+ the prime number generation process. */
+gcry_error_t gcry_prime_generate (gcry_mpi_t *prime,
+ unsigned int prime_bits,
+ unsigned int factor_bits,
+ gcry_mpi_t **factors,
+ gcry_prime_check_func_t cb_func,
+ void *cb_arg,
+ gcry_random_level_t random_level,
+ unsigned int flags);
+
+/* Find a generator for PRIME where the factorization of (prime-1) is
+ in the NULL terminated array FACTORS. Return the generator as a
+ newly allocated MPI in R_G. If START_G is not NULL, use this as
+ teh start for the search. */
+gcry_error_t gcry_prime_group_generator (gcry_mpi_t *r_g,
+ gcry_mpi_t prime, gcry_mpi_t *factors,
+ gcry_mpi_t start_g);
+
+
+/* Convenience function to release the FACTORS array. */
+void gcry_prime_release_factors (gcry_mpi_t *factors);
+
+
+/* Check wether the number X is prime. */
+gcry_error_t gcry_prime_check (gcry_mpi_t x, unsigned int flags);
+
+
+
+/************************************
+ * *
+ * miscellaneous stuff *
+ * *
+ ************************************/
+
+/* Log levels used by the internal logging facility. */
+enum gcry_log_levels
+ {
+ GCRY_LOG_CONT = 0, /* continue the last log line */
+ GCRY_LOG_INFO = 10,
+ GCRY_LOG_WARN = 20,
+ GCRY_LOG_ERROR = 30,
+ GCRY_LOG_FATAL = 40,
+ GCRY_LOG_BUG = 50,
+ GCRY_LOG_DEBUG = 100
+ };
+
+/* Type for progress handlers. */
+typedef void (*gcry_handler_progress_t) (void *, const char *, int, int, int);
+
+/* Type for memory allocation handlers. */
+typedef void *(*gcry_handler_alloc_t) (size_t n);
+
+/* Type for secure memory check handlers. */
+typedef int (*gcry_handler_secure_check_t) (const void *);
+
+/* Type for memory reallocation handlers. */
+typedef void *(*gcry_handler_realloc_t) (void *p, size_t n);
+
+/* Type for memory free handlers. */
+typedef void (*gcry_handler_free_t) (void *);
+
+/* Type for out-of-memory handlers. */
+typedef int (*gcry_handler_no_mem_t) (void *, size_t, unsigned int);
+
+/* Type for fatal error handlers. */
+typedef void (*gcry_handler_error_t) (void *, int, const char *);
+
+/* Type for logging handlers. */
+typedef void (*gcry_handler_log_t) (void *, int, const char *, va_list);
+
+/* Certain operations can provide progress information. This function
+ is used to register a handler for retrieving these information. */
+void gcry_set_progress_handler (gcry_handler_progress_t cb, void *cb_data);
+
+
+/* Register a custom memory allocation functions. */
+void gcry_set_allocation_handler (
+ gcry_handler_alloc_t func_alloc,
+ gcry_handler_alloc_t func_alloc_secure,
+ gcry_handler_secure_check_t func_secure_check,
+ gcry_handler_realloc_t func_realloc,
+ gcry_handler_free_t func_free);
+
+/* Register a function used instead of the internal out of memory
+ handler. */
+void gcry_set_outofcore_handler (gcry_handler_no_mem_t h, void *opaque);
+
+/* Register a function used instead of the internal fatal error
+ handler. */
+void gcry_set_fatalerror_handler (gcry_handler_error_t fnc, void *opaque);
+
+/* Register a function used instead of the internal logging
+ facility. */
+void gcry_set_log_handler (gcry_handler_log_t f, void *opaque);
+
+/* Reserved for future use. */
+void gcry_set_gettext_handler (const char *(*f)(const char*));
+
+/* Libgcrypt uses its own memory allocation. It is important to use
+ gcry_free () to release memory allocated by libgcrypt. */
+void *gcry_malloc (size_t n) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_calloc (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_malloc_secure (size_t n) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_calloc_secure (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_realloc (void *a, size_t n);
+char *gcry_strdup (const char *string) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xmalloc (size_t n) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xcalloc (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xmalloc_secure (size_t n) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xcalloc_secure (size_t n, size_t m) _GCRY_GCC_ATTR_MALLOC;
+void *gcry_xrealloc (void *a, size_t n);
+char *gcry_xstrdup (const char * a) _GCRY_GCC_ATTR_MALLOC;
+void gcry_free (void *a);
+
+/* Return true if A is allocated in "secure" memory. */
+int gcry_is_secure (const void *a) _GCRY_GCC_ATTR_PURE;
+
+/* Include support for Libgcrypt modules. */
+#include <gcrypt-module.h>
+
+#if 0 /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+#endif /* _GCRYPT_H */
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