From 9f60c2ea6394facac55b90ef66466e1b9edef2a9 Mon Sep 17 00:00:00 2001 From: Noel Kuntze Date: Mon, 12 Jul 2021 01:34:23 +0200 Subject: [PATCH 904/904] gmpdh: Plugin that implements gmp DH functions in an extra plugin. Links and uses gmp plugin source and header files. Patch taken verbatim from openwrt package sources. --- configure.ac | 4 + src/libstrongswan/Makefile.am | 7 ++ src/libstrongswan/plugins/gmpdh/Makefile.am | 19 ++++ .../plugins/gmpdh/gmpdh_plugin.c | 101 ++++++++++++++++++ .../plugins/gmpdh/gmpdh_plugin.h | 42 ++++++++ 5 files changed, 173 insertions(+) create mode 100644 src/libstrongswan/plugins/gmpdh/Makefile.am create mode 100644 src/libstrongswan/plugins/gmpdh/gmpdh_plugin.c create mode 100644 src/libstrongswan/plugins/gmpdh/gmpdh_plugin.h --- a/configure.ac +++ b/configure.ac @@ -146,6 +146,7 @@ ARG_DISBL_SET([fips-prf], [disable ARG_ENABL_SET([gcm], [enables the GCM AEAD wrapper crypto plugin.]) ARG_ENABL_SET([gcrypt], [enables the libgcrypt plugin.]) ARG_DISBL_SET([gmp], [disable GNU MP (libgmp) based crypto implementation plugin.]) +ARG_DISBL_SET([gmpdh], [disable GNU MP (libgmp) based static-linked crypto DH minimal implementation plugin.]) ARG_DISBL_SET([curve25519], [disable Curve25519 Diffie-Hellman plugin.]) ARG_DISBL_SET([hmac], [disable HMAC crypto implementation plugin.]) ARG_ENABL_SET([md4], [enable MD4 software implementation plugin.]) @@ -1487,6 +1488,7 @@ ADD_PLUGIN([botan], [s ch ADD_PLUGIN([af-alg], [s charon scepclient pki scripts medsrv attest nm cmd aikgen]) ADD_PLUGIN([fips-prf], [s charon nm cmd]) ADD_PLUGIN([gmp], [s charon scepclient pki scripts manager medsrv attest nm cmd aikgen fuzz]) +ADD_PLUGIN([gmpdh], [s charon scepclient pki scripts manager medsrv attest nm cmd aikgen]) ADD_PLUGIN([curve25519], [s charon pki scripts nm cmd]) ADD_PLUGIN([agent], [s charon nm cmd]) ADD_PLUGIN([keychain], [s charon cmd]) @@ -1628,6 +1630,7 @@ AM_CONDITIONAL(USE_SHA3, test x$sha3 = x AM_CONDITIONAL(USE_MGF1, test x$mgf1 = xtrue) AM_CONDITIONAL(USE_FIPS_PRF, test x$fips_prf = xtrue) AM_CONDITIONAL(USE_GMP, test x$gmp = xtrue) +AM_CONDITIONAL(USE_GMPDH, test x$gmpdh = xtrue) AM_CONDITIONAL(USE_CURVE25519, test x$curve25519 = xtrue) AM_CONDITIONAL(USE_RDRAND, test x$rdrand = xtrue) AM_CONDITIONAL(USE_AESNI, test x$aesni = xtrue) @@ -1905,6 +1908,7 @@ AC_CONFIG_FILES([ src/libstrongswan/plugins/mgf1/Makefile src/libstrongswan/plugins/fips_prf/Makefile src/libstrongswan/plugins/gmp/Makefile + src/libstrongswan/plugins/gmpdh/Makefile src/libstrongswan/plugins/curve25519/Makefile src/libstrongswan/plugins/rdrand/Makefile src/libstrongswan/plugins/aesni/Makefile --- a/src/libstrongswan/Makefile.am +++ b/src/libstrongswan/Makefile.am @@ -348,6 +348,13 @@ if MONOLITHIC endif endif +if USE_GMPDH + SUBDIRS += plugins/gmpdh +if MONOLITHIC + libstrongswan_la_LIBADD += plugins/gmpdh/libstrongswan-gmpdh.la +endif +endif + if USE_CURVE25519 SUBDIRS += plugins/curve25519 if MONOLITHIC --- /dev/null +++ b/src/libstrongswan/plugins/gmpdh/Makefile.am @@ -0,0 +1,19 @@ +AM_CPPFLAGS = \ + -I$(top_srcdir)/src/libstrongswan + +AM_CFLAGS = \ + $(PLUGIN_CFLAGS) + +if MONOLITHIC +noinst_LTLIBRARIES = libstrongswan-gmpdh.la +else +plugin_LTLIBRARIES = libstrongswan-gmpdh.la +endif + +libstrongswan_gmpdh_la_SOURCES = \ + gmpdh_plugin.h gmpdh_plugin.c \ + ../gmp/gmp_diffie_hellman.c ../gmp/gmp_diffie_hellman.h + + +libstrongswan_gmpdh_la_LDFLAGS = -module -avoid-version -Wl,-Bstatic -Wl,-lgmp -Wl,-Bdynamic -Wl,--as-needed $(FPIC) +libstrongswan_gmpdh_la_LIBADD = --- /dev/null +++ b/src/libstrongswan/plugins/gmpdh/gmpdh_plugin.c @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2008-2009 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program 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. See . + * + * This program 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. + */ + +#include "gmpdh_plugin.h" + +#include +#include "../gmp/gmp_diffie_hellman.h" + +typedef struct private_gmpdh_plugin_t private_gmpdh_plugin_t; + +/** + * private data of gmp_plugin + */ +struct private_gmpdh_plugin_t { + + /** + * public functions + */ + gmpdh_plugin_t public; +}; + +METHOD(plugin_t, get_name, char*, + private_gmpdh_plugin_t *this) +{ + return "gmpdh"; +} + +METHOD(plugin_t, get_features, int, + private_gmpdh_plugin_t *this, plugin_feature_t *features[]) +{ + static plugin_feature_t f[] = { + /* DH groups */ + PLUGIN_REGISTER(DH, gmp_diffie_hellman_create), + PLUGIN_PROVIDE(DH, MODP_2048_BIT), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_2048_224), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_2048_256), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_1536_BIT), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_3072_BIT), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_4096_BIT), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_6144_BIT), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_8192_BIT), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_1024_BIT), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_1024_160), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_PROVIDE(DH, MODP_768_BIT), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + PLUGIN_REGISTER(DH, gmp_diffie_hellman_create_custom), + PLUGIN_PROVIDE(DH, MODP_CUSTOM), + PLUGIN_DEPENDS(RNG, RNG_STRONG), + }; + *features = f; + return countof(f); +} + +METHOD(plugin_t, destroy, void, + private_gmpdh_plugin_t *this) +{ + free(this); +} + +/* + * see header file + */ +plugin_t *gmpdh_plugin_create() +{ + private_gmpdh_plugin_t *this; + + INIT(this, + .public = { + .plugin = { + .get_name = _get_name, + .get_features = _get_features, + .destroy = _destroy, + }, + }, + ); + + return &this->public.plugin; +} + --- /dev/null +++ b/src/libstrongswan/plugins/gmpdh/gmpdh_plugin.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program 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. See . + * + * This program 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. + */ + +/** + * @defgroup gmpdh_p gmpdh + * @ingroup plugins + * + * @defgroup gmpdh_plugin gmpdh_plugin + * @{ @ingroup gmpdh_p + */ + +#ifndef GMPDH_PLUGIN_H_ +#define GMPDH_PLUGIN_H_ + +#include + +typedef struct gmpdh_plugin_t gmpdh_plugin_t; + +/** + * Plugin implementing asymmetric crypto algorithms using the GNU MP library. + */ +struct gmpdh_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +#endif /** GMPDH_PLUGIN_H_ @}*/