[dev-libs/libtomcrypt] resurrect from g-x86 attic, with rsa_verify_simple.c which was rejected upstream, for StormLib
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DIST crypt-1.17.tar.bz2 1599215 SHA256 e33b47d77a495091c8703175a25c8228aff043140b2554c08a3c3cd71f79d116 SHA512 9335df5ae0a2c8e33e8f03ced0cfb0a8d1ac4bccd007b74818228c3b8b232446b4425356f304a08320b75542a537a46b305b92c3011dee76dfd636497bf57af2 WHIRLPOOL 71f61a270635f5487016efbdffb5867aa880319f5ad3646f41510307925fb1f1d82d29072f8362be1a2c3b71336922cf23aec4ad1d0c7a077d5ff6e920117337
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@ -0,0 +1,37 @@
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--- a/makefile.shared 2009-03-16 11:07:19.000000000 +0100
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+++ b/makefile.shared 2009-03-16 11:30:25.000000000 +0100
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@@ -9,7 +9,7 @@
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VERSION=0:117
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# Compiler and Linker Names
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-CC=libtool --mode=compile --tag=CC gcc
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+CC=libtool --mode=compile --tag CC gcc
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# ranlib tools
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ifndef RANLIB
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@@ -244,7 +244,7 @@
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library: $(LIBNAME)
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testprof/$(LIBTEST):
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- cd testprof ; CFLAGS="$(CFLAGS)" GROUP=$(GROUP) USER=$(USER) VERSION=$(VERSION) LIBPATH=$(LIBPATH) LIBTEST=$(LIBTEST) LIBTEST_S=$(LIBTEST_S) make -f makefile.shared
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+ cd testprof ; CFLAGS="$(CFLAGS)" GROUP=$(GROUP) USER=$(USER) VERSION=$(VERSION) LIBPATH=$(LIBPATH) LIBTEST=$(LIBTEST) LIBTEST_S=$(LIBTEST_S) $(MAKE) -f makefile.shared
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objs: $(OBJECTS)
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@@ -253,7 +253,7 @@
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install: $(LIBNAME)
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install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)
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- cd testprof ; CFLAGS="$(CFLAGS)" GROUP=$(GROUP) USER=$(USER) VERSION=$(VERSION) LIBPATH=$(LIBPATH) LIBTEST=$(LIBTEST) LIBTEST_S=$(LIBTEST_S) DESTDIR=$(DESTDIR) make -f makefile.shared install
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+ cd testprof ; CFLAGS="$(CFLAGS)" GROUP=$(GROUP) USER=$(USER) VERSION=$(VERSION) LIBPATH=$(LIBPATH) LIBTEST=$(LIBTEST) LIBTEST_S=$(LIBTEST_S) DESTDIR=$(DESTDIR) $(MAKE) -f makefile.shared install
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libtool --silent --mode=install install -c libtomcrypt.la $(DESTDIR)$(LIBPATH)/libtomcrypt.la
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install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(INCPATH)
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install -g $(GROUP) -o $(USER) $(HEADERS) $(DESTDIR)$(INCPATH)
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--- a/testprof/makefile.shared 2009-03-16 11:26:19.000000000 +0100
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+++ b/testprof/makefile.shared 2009-03-16 11:26:47.000000000 +0100
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@@ -1,4 +1,4 @@
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-CC=libtool --mode=compile gcc
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+CC=libtool --mode=compile --tag CC gcc
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CFLAGS += -I../src/headers -I./ -Wall -W
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
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*/
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#include "../../headers/tomcrypt.h"
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/**
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@file rsa_verify_simple.c
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Created by Ladislav Zezula (zezula@volny.cz) as modification
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for Blizzard strong signature verification
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*/
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#ifdef LTC_MRSA
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/**
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Simple RSA decryption
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@param sig The signature data
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@param siglen The length of the signature data (octets)
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@param hash The hash of the message that was signed
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@param hashlen The length of the hash of the message that was signed (octets)
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@param stat [out] The result of the signature comparison, 1==valid, 0==invalid
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@param key The public RSA key corresponding
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@return Error code
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*/
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int rsa_verify_simple(const unsigned char *sig, unsigned long siglen,
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const unsigned char *hash, unsigned long hashlen,
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int *stat,
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rsa_key *key)
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{
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unsigned long modulus_bitlen, modulus_bytelen, x;
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unsigned char *tmpbuf;
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int err;
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LTC_ARGCHK(sig != NULL);
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LTC_ARGCHK(hash != NULL);
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LTC_ARGCHK(stat != NULL);
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LTC_ARGCHK(key != NULL);
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/* default to invalid */
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*stat = 0;
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/* get modulus len in bits */
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modulus_bitlen = mp_count_bits( (key->N));
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/* outlen must be at least the size of the modulus */
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modulus_bytelen = mp_unsigned_bin_size( (key->N));
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if (modulus_bytelen != siglen) {
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return CRYPT_INVALID_PACKET;
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}
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/* allocate temp buffer for decoded sig */
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tmpbuf = XMALLOC(siglen);
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if (tmpbuf == NULL) {
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return CRYPT_MEM;
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}
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/* RSA decode it */
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x = siglen;
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if ((err = ltc_mp.rsa_me(sig, siglen, tmpbuf, &x, PK_PUBLIC, key)) != CRYPT_OK) {
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XFREE(tmpbuf);
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return err;
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}
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/* make sure the output is the right size */
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if (x != siglen) {
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XFREE(tmpbuf);
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return CRYPT_INVALID_PACKET;
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}
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/* compare the decrypted signature with the given hash */
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if(x == hashlen && XMEMCMP(tmpbuf, hash, hashlen) == 0)
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*stat = 1;
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#ifdef LTC_CLEAN_STACK
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zeromem(tmpbuf, siglen);
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#endif
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XFREE(tmpbuf);
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return CRYPT_OK;
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}
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#endif /* LTC_MRSA */
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@ -0,0 +1,57 @@
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# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/dev-libs/libtomcrypt/libtomcrypt-1.17-r6.ebuild,v 1.2 2012/02/25 15:22:17 jer Exp $
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EAPI="2"
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inherit flag-o-matic multilib toolchain-funcs
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DESCRIPTION="modular and portable cryptographic toolkit"
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HOMEPAGE="http://libtom.org/?page=features&whatfile=crypt"
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SRC_URI="http://libtom.org/files/crypt-${PV}.tar.bz2"
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LICENSE="WTFPL-2"
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SLOT="0"
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KEYWORDS="~amd64 ~ppc ~x86"
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IUSE="doc"
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RDEPEND="dev-libs/libtommath"
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DEPEND="${RDEPEND}
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doc? ( virtual/latex-base app-text/ghostscript-gpl )"
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src_prepare() {
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use doc || sed -i '/^install:/s:docs::' makefile
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epatch "${FILESDIR}"/libtomcrypt-1.17-r2-libtool-tag-and-make-fix.patch
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sed -i \
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-e "s:--mode=link gcc:--mode=link $(tc-getCC) ${LDFLAGS} --tag CC $(tc-getCC):g" \
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-e "s: gcc: $(tc-getCC):g" \
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-e "s:src/pk/rsa/rsa_verify_hash.o :src/pk/rsa/rsa_verify_hash.o src/pk/rsa/rsa_verify_simple.o :g" \
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{,testprof/}makefile.shared || die
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cp "${FILESDIR}/rsa_verify_simple.c" "${S}/src/pk/rsa"
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}
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src_compile() {
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append-flags -DLTM_DESC
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export LIBPATH="/usr/$(get_libdir)"
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EXTRALIBS="-ltommath" \
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CC=$(tc-getCC) \
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IGNORE_SPEED=1 \
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emake -f makefile.shared \
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|| die "emake failed"
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}
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src_test() {
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# Tests don't compile
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true
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}
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src_install() {
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emake -f makefile.shared DESTDIR="${D}" install ||\
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die "emake install failed"
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dodoc TODO changes || die "dodoc failed"
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if use doc ; then
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dodoc doc/* || die "dodoc failed"
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docinto notes ; dodoc notes/* || die "dodoc failed"
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docinto demos ; dodoc demos/* || die "dodoc failed"
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fi
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}
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