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peterepetere
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Hashing functions from Marko Kreen <marko@l-t.ee>
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‎contrib/Makefile

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# $Header: /cvsroot/pgsql/contrib/Makefile,v 1.8 2000/09/18 20:11:34 petere Exp $
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# $Header: /cvsroot/pgsql/contrib/Makefile,v 1.9 2000/10/31 13:11:28 petere Exp $
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subdir = contrib
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top_builddir = ..
@@ -17,6 +17,7 @@ WANTED_DIRS = array \
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noupdate \
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pg_dumplo \
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pgbench \
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pgcrypto \
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soundex \
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spi \
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string \

‎contrib/pgcrypto/Makefile

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#
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# $Header: /cvsroot/pgsql/contrib/pgcrypto/Makefile,v 1.1 2000/10/31 13:11:28 petere Exp $
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#
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subdir = contrib/pgcrypto
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top_builddir = ../..
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include $(top_builddir)/src/Makefile.global
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# either 'builtin', 'mhash', 'openssl', 'krb5'
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cryptolib = builtin
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##########################
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ifeq ($(cryptolib), builtin)
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SRCS= md5.c sha1.c internal.c
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endif
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ifeq ($(cryptolib), openssl)
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cryptoinc := -I/usr/include/openssl
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cryptolib := -lcrypto
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SRCS = openssl.c
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endif
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ifeq ($(cryptolib), mhash)
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cryptoinc=
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cryptolib=-lmhash
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SRCS=mhash.c
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endif
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ifeq ($(cryptolib), krb5)
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cryptoinc=-I/usr/include
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cryptolib=-ldes
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SRCS=krb.c
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endif
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NAME := pgcrypto
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SRCS += pgcrypto.c
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OBJS := $(SRCS:.c=.o)
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SO_MAJOR_VERSION = 0
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SO_MINOR_VERSION = 1
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override CPPFLAGS += -I$(srcdir) $(cryptoinc)
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all: all-lib $(NAME).sql
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include $(top_srcdir)/src/Makefile.shlib
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$(NAME).sql: $(NAME).sql.in
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sed 's,@MODULE_FILENAME@,$(libdir)/contrib/pgcrypto$(DLSUFFIX),g' $< >$@
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install: all installdirs
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$(INSTALL_SHLIB) $(shlib) $(DESTDIR)$(libdir)/contrib/pgcrypto$(DLSUFFIX)
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$(INSTALL_DATA) $(NAME).sql $(DESTDIR)$(datadir)/contrib/$(NAME).sql
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$(INSTALL_DATA) README.$(NAME) $(DESTDIR)$(docdir)/contrib/README.$(NAME)
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installdirs:
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$(mkinstalldirs) $(libdir)/contrib $(datadir)/contrib $(docdir)/contrib
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uninstall: uninstall-lib
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rm -f $(DESTDIR)$(libdir)/contrib/pgcrypto$(DLSUFFIX) $(datadir)/contrib/$(NAME).sql $(docdir)/contrib/README.$(NAME)
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clean distclean maintainer-clean: clean-lib
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rm -f $(OBJS) $(NAME).sql

‎contrib/pgcrypto/README.pgcrypto

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DESCRIPTION
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Here is a implementation of crypto hashes for PostgreSQL.
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It exports 2 functions to SQL level:
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digest(data::text, hash_name::text)
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which returns hexadecimal coded hash over data by
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specified algorithm. eg
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> select digest('blah', 'sha1');
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5bf1fd927dfb8679496a2e6cf00cbe50c1c87145
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digest_exists(hash_name::text)::bool
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which reports if particular hash type exists.
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If any of arguments are NULL they return NULL.
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HASHES
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For choosing library you must edit Makefile.
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standalone (default):
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MD5, SHA1
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(the code is from KAME project. Actually I hate code
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duplication, but I also want to quarantee that MD5 and
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SHA1 exist)
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mhash (0.8.1):
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MD5, SHA1, CRC32, CRC32B, GOST, TIGER, RIPEMD160,
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HAVAL(256,224,192,160,128)
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openssl:
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MD5, SHA1, RIPEMD160, MD2
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kerberos5 (heimdal):
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MD5, SHA1
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‎contrib/pgcrypto/internal.c

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/*
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* internal.c
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* Wrapper for builtin functions
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*
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* Copyright (c) 2000 Marko Kreen
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: internal.c,v 1.1 2000/10/31 13:11:28 petere Exp $
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*/
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#include <postgres.h>
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#include "pgcrypto.h"
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#include "md5.h"
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#include "sha1.h"
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#ifndef MD5_DIGEST_LENGTH
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#define MD5_DIGEST_LENGTH 16
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#endif
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#ifndef SHA1_DIGEST_LENGTH
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#ifdef SHA1_RESULTLEN
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#define SHA1_DIGEST_LENGTH SHA1_RESULTLEN
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#else
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#define SHA1_DIGEST_LENGTH 20
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#endif
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#endif
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static uint
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pg_md5_len(pg_digest *h);
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static uint8 *
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pg_md5_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf);
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static uint
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pg_sha1_len(pg_digest *h);
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static uint8 *
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pg_sha1_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf);
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static pg_digest
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int_digest_list [] = {
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{ "md5", pg_md5_len, pg_md5_digest, {0}},
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{ "sha1", pg_sha1_len, pg_sha1_digest, {0}},
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{ NULL, NULL, NULL, {0}}
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};
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static uint
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pg_md5_len(pg_digest *h) {
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return MD5_DIGEST_LENGTH;
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}
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static uint8 *
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pg_md5_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf)
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{
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MD5_CTX ctx;
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MD5Init(&ctx);
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MD5Update(&ctx, src, len);
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MD5Final(buf, &ctx);
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return buf;
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}
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static uint
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pg_sha1_len(pg_digest *h) {
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return SHA1_DIGEST_LENGTH;
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}
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static uint8 *
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pg_sha1_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf)
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{
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SHA1_CTX ctx;
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SHA1Init(&ctx);
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SHA1Update(&ctx, src, len);
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SHA1Final(buf, &ctx);
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return buf;
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}
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pg_digest *
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pg_find_digest(pg_digest *h, char *name)
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{
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pg_digest *p;
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for (p = int_digest_list; p->name; p++)
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if (!strcasecmp(p->name, name))
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return p;
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return NULL;
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}
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‎contrib/pgcrypto/krb.c

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/*
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* krb.c
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* Wrapper for Kerberos5 libdes SHA1/MD5.
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*
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* Copyright (c) 2000 Marko Kreen
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19+
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20+
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22+
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*
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* NOTES
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* It is possible that this works with other SHA1/MD5
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* implementations too.
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*
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* $Id: krb.c,v 1.1 2000/10/31 13:11:28 petere Exp $
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*/
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#include <postgres.h>
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#include "pgcrypto.h"
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#include <md5.h>
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#include <sha.h>
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#ifndef MD5_DIGEST_LENGTH
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#define MD5_DIGEST_LENGTH 16
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#endif
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#ifndef SHA1_DIGEST_LENGTH
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#ifdef SHA1_RESULTLEN
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#define SHA1_DIGEST_LENGTH SHA1_RESULTLEN
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#else
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#define SHA1_DIGEST_LENGTH 20
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#endif
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#endif
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static uint
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pg_md5_len(pg_digest *h);
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static uint8 *
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pg_md5_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf);
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static uint
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pg_sha1_len(pg_digest *h);
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static uint8 *
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pg_sha1_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf);
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static pg_digest
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int_digest_list [] = {
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{ "md5", pg_md5_len, pg_md5_digest, {0}},
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{ "sha1", pg_sha1_len, pg_sha1_digest, {0}},
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{ NULL, NULL, NULL, {0}}
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};
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static uint
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pg_md5_len(pg_digest *h) {
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return MD5_DIGEST_LENGTH;
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}
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static uint8 *
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pg_md5_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf)
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{
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MD5_CTX ctx;
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MD5Init(&ctx);
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MD5Update(&ctx, src, len);
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MD5Final(buf, &ctx);
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return buf;
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}
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static uint
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pg_sha1_len(pg_digest *h) {
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return SHA1_DIGEST_LENGTH;
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}
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static uint8 *
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pg_sha1_digest(pg_digest *h, uint8 *src, uint len, uint8 *buf)
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{
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SHA1_CTX ctx;
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SHA1Init(&ctx);
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SHA1Update(&ctx, src, len);
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SHA1Final(buf, &ctx);
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return buf;
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}
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pg_digest *
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pg_find_digest(pg_digest *h, char *name)
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{
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pg_digest *p;
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for (p = int_digest_list; p->name; p++)
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if (!strcasecmp(p->name, name))
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return p;
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return NULL;
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}
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