mirror of
https://github.com/privatevoid-net/nix-super.git
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* Add SHA-256.
* Tests for the various hashes.
This commit is contained in:
Eelco Dolstra
parent
37b51a9aa6
commit
63791eb05b
9 changed files with 912 additions and 8 deletions
8
README
8
README
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@ -1,5 +1,9 @@
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*** Nix ***
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For installation and usage instructions, please read the manual, which
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can be found in `docs/manual/manual.html', and additionally at the Nix
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website at <http://www.cs.uu.nl/groups/ST/Trace/Nix>.
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Acknowledgments
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This product includes software developed by the OpenSSL Project for
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use in the OpenSSL Toolkit (http://www.OpenSSL.org/)
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@ -1,7 +1,7 @@
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noinst_LIBRARIES = libutil.a
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libutil_a_SOURCES = util.cc util.hh hash.cc hash.hh \
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archive.cc archive.hh md5.c md5.h sha1.c sha1.h \
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aterm.cc aterm.hh
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archive.cc archive.hh aterm.cc aterm.hh \
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md5.c md5.h sha1.c sha1.h sha256.c sha256.h md32_common.h
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AM_CXXFLAGS = -Wall -I.. ${aterm_include}
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@ -3,6 +3,7 @@
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extern "C" {
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#include "md5.h"
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#include "sha1.h"
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#include "sha256.h"
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}
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#include "hash.hh"
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@ -19,6 +20,7 @@ Hash::Hash(HashType type)
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this->type = type;
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if (type == htMD5) hashSize = md5HashSize;
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else if (type == htSHA1) hashSize = sha1HashSize;
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else if (type == htSHA256) hashSize = sha256HashSize;
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else throw Error("unknown hash type");
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memset(hash, 0, hashSize);
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}
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@ -96,6 +98,7 @@ struct Ctx
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{
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md5_ctx md5;
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sha_ctx sha1;
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SHA256_CTX sha256;
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};
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@ -103,6 +106,7 @@ static void start(HashType ht, Ctx & ctx)
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{
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if (ht == htMD5) md5_init_ctx(&ctx.md5);
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else if (ht == htSHA1) sha_init(&ctx.sha1);
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else if (ht == htSHA256) SHA256_Init(&ctx.sha256);
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}
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@ -111,6 +115,7 @@ static void update(HashType ht, Ctx & ctx,
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{
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if (ht == htMD5) md5_process_bytes(bytes, len, &ctx.md5);
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else if (ht == htSHA1) sha_update(&ctx.sha1, bytes, len);
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else if (ht == htSHA256) SHA256_Update(&ctx.sha256, bytes, len);
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}
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@ -121,6 +126,7 @@ static void finish(HashType ht, Ctx & ctx, unsigned char * hash)
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sha_final(&ctx.sha1);
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sha_digest(&ctx.sha1, hash);
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}
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else if (ht == htSHA256) SHA256_Final(hash, &ctx.sha256);
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}
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@ -8,11 +8,12 @@
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using namespace std;
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typedef enum { htMD5, htSHA1 } HashType;
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typedef enum { htMD5, htSHA1, htSHA256 } HashType;
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const int md5HashSize = 16;
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const int sha1HashSize = 20;
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const int sha256HashSize = 32;
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struct Hash
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@ -53,8 +54,7 @@ Hash hashString(const string & s, HashType ht);
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Hash hashFile(const Path & path, HashType ht);
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/* Compute the hash of the given path. The hash is defined as
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md5(dump(path)).
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*/
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md5(dump(path)). */
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Hash hashPath(const Path & path, HashType ht);
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620
src/libutil/md32_common.h
Normal file
620
src/libutil/md32_common.h
Normal file
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@ -0,0 +1,620 @@
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/* crypto/md32_common.h */
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/* ====================================================================
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* Copyright (c) 1999-2002 The OpenSSL Project. 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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*
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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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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/*
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* This is a generic 32 bit "collector" for message digest algorithms.
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* Whenever needed it collects input character stream into chunks of
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* 32 bit values and invokes a block function that performs actual hash
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* calculations.
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*
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* Porting guide.
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*
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* Obligatory macros:
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*
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* DATA_ORDER_IS_BIG_ENDIAN or DATA_ORDER_IS_LITTLE_ENDIAN
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* this macro defines byte order of input stream.
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* HASH_CBLOCK
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* size of a unit chunk HASH_BLOCK operates on.
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* HASH_LONG
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* has to be at lest 32 bit wide, if it's wider, then
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* HASH_LONG_LOG2 *has to* be defined along
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* HASH_CTX
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* context structure that at least contains following
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* members:
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* typedef struct {
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* ...
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* HASH_LONG Nl,Nh;
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* HASH_LONG data[HASH_LBLOCK];
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* unsigned int num;
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* ...
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* } HASH_CTX;
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* HASH_UPDATE
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* name of "Update" function, implemented here.
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* HASH_TRANSFORM
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* name of "Transform" function, implemented here.
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* HASH_FINAL
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* name of "Final" function, implemented here.
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* HASH_BLOCK_HOST_ORDER
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* name of "block" function treating *aligned* input message
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* in host byte order, implemented externally.
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* HASH_BLOCK_DATA_ORDER
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* name of "block" function treating *unaligned* input message
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* in original (data) byte order, implemented externally (it
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* actually is optional if data and host are of the same
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* "endianess").
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* HASH_MAKE_STRING
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* macro convering context variables to an ASCII hash string.
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*
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* Optional macros:
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*
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* B_ENDIAN or L_ENDIAN
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* defines host byte-order.
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* HASH_LONG_LOG2
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* defaults to 2 if not states otherwise.
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* HASH_LBLOCK
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* assumed to be HASH_CBLOCK/4 if not stated otherwise.
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* HASH_BLOCK_DATA_ORDER_ALIGNED
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* alternative "block" function capable of treating
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* aligned input message in original (data) order,
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* implemented externally.
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*
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* MD5 example:
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*
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* #define DATA_ORDER_IS_LITTLE_ENDIAN
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*
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* #define HASH_LONG MD5_LONG
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* #define HASH_LONG_LOG2 MD5_LONG_LOG2
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* #define HASH_CTX MD5_CTX
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* #define HASH_CBLOCK MD5_CBLOCK
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* #define HASH_LBLOCK MD5_LBLOCK
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* #define HASH_UPDATE MD5_Update
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* #define HASH_TRANSFORM MD5_Transform
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* #define HASH_FINAL MD5_Final
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* #define HASH_BLOCK_HOST_ORDER md5_block_host_order
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* #define HASH_BLOCK_DATA_ORDER md5_block_data_order
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*
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* <appro@fy.chalmers.se>
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*/
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#if !defined(DATA_ORDER_IS_BIG_ENDIAN) && !defined(DATA_ORDER_IS_LITTLE_ENDIAN)
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#error "DATA_ORDER must be defined!"
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#endif
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#ifndef HASH_CBLOCK
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#error "HASH_CBLOCK must be defined!"
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#endif
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#ifndef HASH_LONG
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#error "HASH_LONG must be defined!"
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#endif
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#ifndef HASH_CTX
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#error "HASH_CTX must be defined!"
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#endif
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#ifndef HASH_UPDATE
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#error "HASH_UPDATE must be defined!"
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#endif
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#ifndef HASH_TRANSFORM
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#error "HASH_TRANSFORM must be defined!"
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#endif
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#ifndef HASH_FINAL
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#error "HASH_FINAL must be defined!"
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#endif
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#ifndef HASH_BLOCK_HOST_ORDER
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#error "HASH_BLOCK_HOST_ORDER must be defined!"
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#endif
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#if 0
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/*
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* Moved below as it's required only if HASH_BLOCK_DATA_ORDER_ALIGNED
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* isn't defined.
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*/
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#ifndef HASH_BLOCK_DATA_ORDER
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#error "HASH_BLOCK_DATA_ORDER must be defined!"
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#endif
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#endif
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#ifndef HASH_LBLOCK
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#define HASH_LBLOCK (HASH_CBLOCK/4)
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#endif
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#ifndef HASH_LONG_LOG2
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#define HASH_LONG_LOG2 2
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#endif
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/*
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* Engage compiler specific rotate intrinsic function if available.
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*/
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#undef ROTATE
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#ifndef PEDANTIC
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# if defined(_MSC_VER) || defined(__ICC)
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# define ROTATE(a,n) _lrotl(a,n)
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# elif defined(__MWERKS__)
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# if defined(__POWERPC__)
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# define ROTATE(a,n) __rlwinm(a,n,0,31)
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# elif defined(__MC68K__)
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/* Motorola specific tweak. <appro@fy.chalmers.se> */
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# define ROTATE(a,n) ( n<24 ? __rol(a,n) : __ror(a,32-n) )
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# else
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# define ROTATE(a,n) __rol(a,n)
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# endif
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# elif defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
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/*
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* Some GNU C inline assembler templates. Note that these are
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* rotates by *constant* number of bits! But that's exactly
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* what we need here...
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* <appro@fy.chalmers.se>
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*/
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# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
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# define ROTATE(a,n) ({ register unsigned int ret; \
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asm ( \
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"roll %1,%0" \
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: "=r"(ret) \
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: "I"(n), "0"(a) \
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: "cc"); \
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ret; \
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})
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# elif defined(__powerpc) || defined(__ppc__) || defined(__powerpc64__)
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# define ROTATE(a,n) ({ register unsigned int ret; \
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asm ( \
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"rlwinm %0,%1,%2,0,31" \
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: "=r"(ret) \
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: "r"(a), "I"(n)); \
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ret; \
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})
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# endif
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# endif
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#endif /* PEDANTIC */
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#if HASH_LONG_LOG2==2 /* Engage only if sizeof(HASH_LONG)== 4 */
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/* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */
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#ifdef ROTATE
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/* 5 instructions with rotate instruction, else 9 */
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#define REVERSE_FETCH32(a,l) ( \
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l=*(const HASH_LONG *)(a), \
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((ROTATE(l,8)&0x00FF00FF)|(ROTATE((l&0x00FF00FF),24))) \
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)
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#else
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/* 6 instructions with rotate instruction, else 8 */
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#define REVERSE_FETCH32(a,l) ( \
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l=*(const HASH_LONG *)(a), \
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l=(((l>>8)&0x00FF00FF)|((l&0x00FF00FF)<<8)), \
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ROTATE(l,16) \
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)
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/*
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* Originally the middle line started with l=(((l&0xFF00FF00)>>8)|...
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* It's rewritten as above for two reasons:
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* - RISCs aren't good at long constants and have to explicitely
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* compose 'em with several (well, usually 2) instructions in a
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* register before performing the actual operation and (as you
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* already realized:-) having same constant should inspire the
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* compiler to permanently allocate the only register for it;
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* - most modern CPUs have two ALUs, but usually only one has
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* circuitry for shifts:-( this minor tweak inspires compiler
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* to schedule shift instructions in a better way...
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*
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* <appro@fy.chalmers.se>
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*/
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#endif
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#endif
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#ifndef ROTATE
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#define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
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#endif
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/*
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* Make some obvious choices. E.g., HASH_BLOCK_DATA_ORDER_ALIGNED
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* and HASH_BLOCK_HOST_ORDER ought to be the same if input data
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* and host are of the same "endianess". It's possible to mask
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* this with blank #define HASH_BLOCK_DATA_ORDER though...
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*
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* <appro@fy.chalmers.se>
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*/
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#if defined(B_ENDIAN)
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# if defined(DATA_ORDER_IS_BIG_ENDIAN)
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# if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) && HASH_LONG_LOG2==2
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# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER
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# endif
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# endif
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#elif defined(L_ENDIAN)
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# if defined(DATA_ORDER_IS_LITTLE_ENDIAN)
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# if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) && HASH_LONG_LOG2==2
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# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER
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# endif
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# endif
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#endif
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|
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#if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED)
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#ifndef HASH_BLOCK_DATA_ORDER
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#error "HASH_BLOCK_DATA_ORDER must be defined!"
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#endif
|
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#endif
|
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|
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#if defined(DATA_ORDER_IS_BIG_ENDIAN)
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|
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#ifndef PEDANTIC
|
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# if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
|
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# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
|
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/*
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* This gives ~30-40% performance improvement in SHA-256 compiled
|
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* with gcc [on P4]. Well, first macro to be frank. We can pull
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* this trick on x86* platforms only, because these CPUs can fetch
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* unaligned data without raising an exception.
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*/
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# define HOST_c2l(c,l) ({ unsigned int r=*((const unsigned int *)(c)); \
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asm ("bswapl %0":"=r"(r):"0"(r)); \
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(c)+=4; (l)=r; })
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# define HOST_l2c(l,c) ({ unsigned int r=(l); \
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asm ("bswapl %0":"=r"(r):"0"(r)); \
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*((unsigned int *)(c))=r; (c)+=4; r; })
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# endif
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# endif
|
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#endif
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#ifndef HOST_c2l
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#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++)))<<24), \
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l|=(((unsigned long)(*((c)++)))<<16), \
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l|=(((unsigned long)(*((c)++)))<< 8), \
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l|=(((unsigned long)(*((c)++))) ), \
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l)
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#endif
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#define HOST_p_c2l(c,l,n) { \
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switch (n) { \
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case 0: l =((unsigned long)(*((c)++)))<<24; \
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case 1: l|=((unsigned long)(*((c)++)))<<16; \
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case 2: l|=((unsigned long)(*((c)++)))<< 8; \
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case 3: l|=((unsigned long)(*((c)++))); \
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} }
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#define HOST_p_c2l_p(c,l,sc,len) { \
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switch (sc) { \
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case 0: l =((unsigned long)(*((c)++)))<<24; \
|
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if (--len == 0) break; \
|
||||
case 1: l|=((unsigned long)(*((c)++)))<<16; \
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if (--len == 0) break; \
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case 2: l|=((unsigned long)(*((c)++)))<< 8; \
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} }
|
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/* NOTE the pointer is not incremented at the end of this */
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#define HOST_c2l_p(c,l,n) { \
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l=0; (c)+=n; \
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switch (n) { \
|
||||
case 3: l =((unsigned long)(*(--(c))))<< 8; \
|
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case 2: l|=((unsigned long)(*(--(c))))<<16; \
|
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case 1: l|=((unsigned long)(*(--(c))))<<24; \
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} }
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#ifndef HOST_l2c
|
||||
#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
|
||||
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
|
||||
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
|
||||
*((c)++)=(unsigned char)(((l) )&0xff), \
|
||||
l)
|
||||
#endif
|
||||
|
||||
#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN)
|
||||
|
||||
#if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
|
||||
/* See comment in DATA_ORDER_IS_BIG_ENDIAN section. */
|
||||
# define HOST_c2l(c,l) ((l)=*((const unsigned int *)(c)), (c)+=4, l)
|
||||
# define HOST_l2c(l,c) (*((unsigned int *)(c))=(l), (c)+=4, l)
|
||||
#endif
|
||||
|
||||
#ifndef HOST_c2l
|
||||
#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \
|
||||
l|=(((unsigned long)(*((c)++)))<< 8), \
|
||||
l|=(((unsigned long)(*((c)++)))<<16), \
|
||||
l|=(((unsigned long)(*((c)++)))<<24), \
|
||||
l)
|
||||
#endif
|
||||
#define HOST_p_c2l(c,l,n) { \
|
||||
switch (n) { \
|
||||
case 0: l =((unsigned long)(*((c)++))); \
|
||||
case 1: l|=((unsigned long)(*((c)++)))<< 8; \
|
||||
case 2: l|=((unsigned long)(*((c)++)))<<16; \
|
||||
case 3: l|=((unsigned long)(*((c)++)))<<24; \
|
||||
} }
|
||||
#define HOST_p_c2l_p(c,l,sc,len) { \
|
||||
switch (sc) { \
|
||||
case 0: l =((unsigned long)(*((c)++))); \
|
||||
if (--len == 0) break; \
|
||||
case 1: l|=((unsigned long)(*((c)++)))<< 8; \
|
||||
if (--len == 0) break; \
|
||||
case 2: l|=((unsigned long)(*((c)++)))<<16; \
|
||||
} }
|
||||
/* NOTE the pointer is not incremented at the end of this */
|
||||
#define HOST_c2l_p(c,l,n) { \
|
||||
l=0; (c)+=n; \
|
||||
switch (n) { \
|
||||
case 3: l =((unsigned long)(*(--(c))))<<16; \
|
||||
case 2: l|=((unsigned long)(*(--(c))))<< 8; \
|
||||
case 1: l|=((unsigned long)(*(--(c)))); \
|
||||
} }
|
||||
#ifndef HOST_l2c
|
||||
#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
|
||||
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
|
||||
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
|
||||
*((c)++)=(unsigned char)(((l)>>24)&0xff), \
|
||||
l)
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Time for some action:-)
|
||||
*/
|
||||
|
||||
int HASH_UPDATE (HASH_CTX *c, const void *data_, size_t len)
|
||||
{
|
||||
const unsigned char *data=data_;
|
||||
register HASH_LONG * p;
|
||||
register HASH_LONG l;
|
||||
size_t sw,sc,ew,ec;
|
||||
|
||||
if (len==0) return 1;
|
||||
|
||||
l=(c->Nl+(((HASH_LONG)len)<<3))&0xffffffffUL;
|
||||
/* 95-05-24 eay Fixed a bug with the overflow handling, thanks to
|
||||
* Wei Dai <weidai@eskimo.com> for pointing it out. */
|
||||
if (l < c->Nl) /* overflow */
|
||||
c->Nh++;
|
||||
c->Nh+=(len>>29); /* might cause compiler warning on 16-bit */
|
||||
c->Nl=l;
|
||||
|
||||
if (c->num != 0)
|
||||
{
|
||||
p=c->data;
|
||||
sw=c->num>>2;
|
||||
sc=c->num&0x03;
|
||||
|
||||
if ((c->num+len) >= HASH_CBLOCK)
|
||||
{
|
||||
l=p[sw]; HOST_p_c2l(data,l,sc); p[sw++]=l;
|
||||
for (; sw<HASH_LBLOCK; sw++)
|
||||
{
|
||||
HOST_c2l(data,l); p[sw]=l;
|
||||
}
|
||||
HASH_BLOCK_HOST_ORDER (c,p,1);
|
||||
len-=(HASH_CBLOCK-c->num);
|
||||
c->num=0;
|
||||
/* drop through and do the rest */
|
||||
}
|
||||
else
|
||||
{
|
||||
c->num+=(unsigned int)len;
|
||||
if ((sc+len) < 4) /* ugly, add char's to a word */
|
||||
{
|
||||
l=p[sw]; HOST_p_c2l_p(data,l,sc,len); p[sw]=l;
|
||||
}
|
||||
else
|
||||
{
|
||||
ew=(c->num>>2);
|
||||
ec=(c->num&0x03);
|
||||
if (sc)
|
||||
l=p[sw];
|
||||
HOST_p_c2l(data,l,sc);
|
||||
p[sw++]=l;
|
||||
for (; sw < ew; sw++)
|
||||
{
|
||||
HOST_c2l(data,l); p[sw]=l;
|
||||
}
|
||||
if (ec)
|
||||
{
|
||||
HOST_c2l_p(data,l,ec); p[sw]=l;
|
||||
}
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
sw=len/HASH_CBLOCK;
|
||||
if (sw > 0)
|
||||
{
|
||||
#if defined(HASH_BLOCK_DATA_ORDER_ALIGNED)
|
||||
/*
|
||||
* Note that HASH_BLOCK_DATA_ORDER_ALIGNED gets defined
|
||||
* only if sizeof(HASH_LONG)==4.
|
||||
*/
|
||||
if ((((size_t)data)%4) == 0)
|
||||
{
|
||||
/* data is properly aligned so that we can cast it: */
|
||||
HASH_BLOCK_DATA_ORDER_ALIGNED (c,(const HASH_LONG *)data,sw);
|
||||
sw*=HASH_CBLOCK;
|
||||
data+=sw;
|
||||
len-=sw;
|
||||
}
|
||||
else
|
||||
#if !defined(HASH_BLOCK_DATA_ORDER)
|
||||
while (sw--)
|
||||
{
|
||||
memcpy (p=c->data,data,HASH_CBLOCK);
|
||||
HASH_BLOCK_DATA_ORDER_ALIGNED(c,p,1);
|
||||
data+=HASH_CBLOCK;
|
||||
len-=HASH_CBLOCK;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
#if defined(HASH_BLOCK_DATA_ORDER)
|
||||
{
|
||||
HASH_BLOCK_DATA_ORDER(c,data,sw);
|
||||
sw*=HASH_CBLOCK;
|
||||
data+=sw;
|
||||
len-=sw;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
if (len!=0)
|
||||
{
|
||||
p = c->data;
|
||||
c->num = len;
|
||||
ew=len>>2; /* words to copy */
|
||||
ec=len&0x03;
|
||||
for (; ew; ew--,p++)
|
||||
{
|
||||
HOST_c2l(data,l); *p=l;
|
||||
}
|
||||
HOST_c2l_p(data,l,ec);
|
||||
*p=l;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
void HASH_TRANSFORM (HASH_CTX *c, const unsigned char *data)
|
||||
{
|
||||
#if defined(HASH_BLOCK_DATA_ORDER_ALIGNED)
|
||||
if ((((size_t)data)%4) == 0)
|
||||
/* data is properly aligned so that we can cast it: */
|
||||
HASH_BLOCK_DATA_ORDER_ALIGNED (c,(const HASH_LONG *)data,1);
|
||||
else
|
||||
#if !defined(HASH_BLOCK_DATA_ORDER)
|
||||
{
|
||||
memcpy (c->data,data,HASH_CBLOCK);
|
||||
HASH_BLOCK_DATA_ORDER_ALIGNED (c,c->data,1);
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
#if defined(HASH_BLOCK_DATA_ORDER)
|
||||
HASH_BLOCK_DATA_ORDER (c,data,1);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
int HASH_FINAL (unsigned char *md, HASH_CTX *c)
|
||||
{
|
||||
register HASH_LONG *p;
|
||||
register unsigned long l;
|
||||
register int i,j;
|
||||
static const unsigned char end[4]={0x80,0x00,0x00,0x00};
|
||||
const unsigned char *cp=end;
|
||||
|
||||
/* c->num should definitly have room for at least one more byte. */
|
||||
p=c->data;
|
||||
i=c->num>>2;
|
||||
j=c->num&0x03;
|
||||
|
||||
#if 0
|
||||
/* purify often complains about the following line as an
|
||||
* Uninitialized Memory Read. While this can be true, the
|
||||
* following p_c2l macro will reset l when that case is true.
|
||||
* This is because j&0x03 contains the number of 'valid' bytes
|
||||
* already in p[i]. If and only if j&0x03 == 0, the UMR will
|
||||
* occur but this is also the only time p_c2l will do
|
||||
* l= *(cp++) instead of l|= *(cp++)
|
||||
* Many thanks to Alex Tang <altitude@cic.net> for pickup this
|
||||
* 'potential bug' */
|
||||
#ifdef PURIFY
|
||||
if (j==0) p[i]=0; /* Yeah, but that's not the way to fix it:-) */
|
||||
#endif
|
||||
l=p[i];
|
||||
#else
|
||||
l = (j==0) ? 0 : p[i];
|
||||
#endif
|
||||
HOST_p_c2l(cp,l,j); p[i++]=l; /* i is the next 'undefined word' */
|
||||
|
||||
if (i>(HASH_LBLOCK-2)) /* save room for Nl and Nh */
|
||||
{
|
||||
if (i<HASH_LBLOCK) p[i]=0;
|
||||
HASH_BLOCK_HOST_ORDER (c,p,1);
|
||||
i=0;
|
||||
}
|
||||
for (; i<(HASH_LBLOCK-2); i++)
|
||||
p[i]=0;
|
||||
|
||||
#if defined(DATA_ORDER_IS_BIG_ENDIAN)
|
||||
p[HASH_LBLOCK-2]=c->Nh;
|
||||
p[HASH_LBLOCK-1]=c->Nl;
|
||||
#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN)
|
||||
p[HASH_LBLOCK-2]=c->Nl;
|
||||
p[HASH_LBLOCK-1]=c->Nh;
|
||||
#endif
|
||||
HASH_BLOCK_HOST_ORDER (c,p,1);
|
||||
|
||||
#ifndef HASH_MAKE_STRING
|
||||
#error "HASH_MAKE_STRING must be defined!"
|
||||
#else
|
||||
HASH_MAKE_STRING(c,md);
|
||||
#endif
|
||||
|
||||
c->num=0;
|
||||
/* clear stuff, HASH_BLOCK may be leaving some stuff on the stack
|
||||
* but I'm not worried :-)
|
||||
OPENSSL_cleanse((void *)c,sizeof(HASH_CTX));
|
||||
*/
|
||||
return 1;
|
||||
}
|
||||
|
||||
#ifndef MD32_REG_T
|
||||
#define MD32_REG_T long
|
||||
/*
|
||||
* This comment was originaly written for MD5, which is why it
|
||||
* discusses A-D. But it basically applies to all 32-bit digests,
|
||||
* which is why it was moved to common header file.
|
||||
*
|
||||
* In case you wonder why A-D are declared as long and not
|
||||
* as MD5_LONG. Doing so results in slight performance
|
||||
* boost on LP64 architectures. The catch is we don't
|
||||
* really care if 32 MSBs of a 64-bit register get polluted
|
||||
* with eventual overflows as we *save* only 32 LSBs in
|
||||
* *either* case. Now declaring 'em long excuses the compiler
|
||||
* from keeping 32 MSBs zeroed resulting in 13% performance
|
||||
* improvement under SPARC Solaris7/64 and 5% under AlphaLinux.
|
||||
* Well, to be honest it should say that this *prevents*
|
||||
* performance degradation.
|
||||
* <appro@fy.chalmers.se>
|
||||
* Apparently there're LP64 compilers that generate better
|
||||
* code if A-D are declared int. Most notably GCC-x86_64
|
||||
* generates better code.
|
||||
* <appro@fy.chalmers.se>
|
||||
*/
|
||||
#endif
|
||||
238
src/libutil/sha256.c
Normal file
238
src/libutil/sha256.c
Normal file
|
|
@ -0,0 +1,238 @@
|
|||
/* crypto/sha/sha256.c */
|
||||
/* ====================================================================
|
||||
* Copyright (c) 2004 The OpenSSL Project. All rights reserved
|
||||
* according to the OpenSSL license [found in ./md32_common.h].
|
||||
* ====================================================================
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "sha256.h"
|
||||
|
||||
int SHA224_Init (SHA256_CTX *c)
|
||||
{
|
||||
c->h[0]=0xc1059ed8UL; c->h[1]=0x367cd507UL;
|
||||
c->h[2]=0x3070dd17UL; c->h[3]=0xf70e5939UL;
|
||||
c->h[4]=0xffc00b31UL; c->h[5]=0x68581511UL;
|
||||
c->h[6]=0x64f98fa7UL; c->h[7]=0xbefa4fa4UL;
|
||||
c->Nl=0; c->Nh=0;
|
||||
c->num=0; c->md_len=SHA224_DIGEST_LENGTH;
|
||||
return 1;
|
||||
}
|
||||
|
||||
int SHA256_Init (SHA256_CTX *c)
|
||||
{
|
||||
c->h[0]=0x6a09e667UL; c->h[1]=0xbb67ae85UL;
|
||||
c->h[2]=0x3c6ef372UL; c->h[3]=0xa54ff53aUL;
|
||||
c->h[4]=0x510e527fUL; c->h[5]=0x9b05688cUL;
|
||||
c->h[6]=0x1f83d9abUL; c->h[7]=0x5be0cd19UL;
|
||||
c->Nl=0; c->Nh=0;
|
||||
c->num=0; c->md_len=SHA256_DIGEST_LENGTH;
|
||||
return 1;
|
||||
}
|
||||
|
||||
unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md)
|
||||
{
|
||||
SHA256_CTX c;
|
||||
static unsigned char m[SHA224_DIGEST_LENGTH];
|
||||
|
||||
if (md == NULL) md=m;
|
||||
SHA224_Init(&c);
|
||||
SHA256_Update(&c,d,n);
|
||||
SHA256_Final(md,&c);
|
||||
return(md);
|
||||
}
|
||||
|
||||
unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md)
|
||||
{
|
||||
SHA256_CTX c;
|
||||
static unsigned char m[SHA256_DIGEST_LENGTH];
|
||||
|
||||
if (md == NULL) md=m;
|
||||
SHA256_Init(&c);
|
||||
SHA256_Update(&c,d,n);
|
||||
SHA256_Final(md,&c);
|
||||
return(md);
|
||||
}
|
||||
|
||||
int SHA224_Update(SHA256_CTX *c, const void *data, size_t len)
|
||||
{ return SHA256_Update (c,data,len); }
|
||||
int SHA224_Final (unsigned char *md, SHA256_CTX *c)
|
||||
{ return SHA256_Final (md,c); }
|
||||
|
||||
#define DATA_ORDER_IS_BIG_ENDIAN
|
||||
|
||||
#define HASH_LONG uint32_t
|
||||
#define HASH_LONG_LOG2 2
|
||||
#define HASH_CTX SHA256_CTX
|
||||
#define HASH_CBLOCK SHA_CBLOCK
|
||||
#define HASH_LBLOCK SHA_LBLOCK
|
||||
/*
|
||||
* Note that FIPS180-2 discusses "Truncation of the Hash Function Output."
|
||||
* default: case below covers for it. It's not clear however if it's
|
||||
* permitted to truncate to amount of bytes not divisible by 4. I bet not,
|
||||
* but if it is, then default: case shall be extended. For reference.
|
||||
* Idea behind separate cases for pre-defined lenghts is to let the
|
||||
* compiler decide if it's appropriate to unroll small loops.
|
||||
*/
|
||||
#define HASH_MAKE_STRING(c,s) do { \
|
||||
unsigned long ll; \
|
||||
unsigned int n; \
|
||||
switch ((c)->md_len) \
|
||||
{ case SHA224_DIGEST_LENGTH: \
|
||||
for (n=0;n<SHA224_DIGEST_LENGTH/4;n++) \
|
||||
{ ll=(c)->h[n]; HOST_l2c(ll,(s)); } \
|
||||
break; \
|
||||
case SHA256_DIGEST_LENGTH: \
|
||||
for (n=0;n<SHA256_DIGEST_LENGTH/4;n++) \
|
||||
{ ll=(c)->h[n]; HOST_l2c(ll,(s)); } \
|
||||
break; \
|
||||
default: \
|
||||
if ((c)->md_len > SHA256_DIGEST_LENGTH) \
|
||||
return 0; \
|
||||
for (n=0;n<(c)->md_len/4;n++) \
|
||||
{ ll=(c)->h[n]; HOST_l2c(ll,(s)); } \
|
||||
break; \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
#define HASH_UPDATE SHA256_Update
|
||||
#define HASH_TRANSFORM SHA256_Transform
|
||||
#define HASH_FINAL SHA256_Final
|
||||
#define HASH_BLOCK_HOST_ORDER sha256_block_host_order
|
||||
#define HASH_BLOCK_DATA_ORDER sha256_block_data_order
|
||||
void sha256_block_host_order (SHA256_CTX *ctx, const void *in, size_t num);
|
||||
void sha256_block_data_order (SHA256_CTX *ctx, const void *in, size_t num);
|
||||
|
||||
#include "md32_common.h"
|
||||
|
||||
static const uint32_t K256[64] = {
|
||||
0x428a2f98UL,0x71374491UL,0xb5c0fbcfUL,0xe9b5dba5UL,
|
||||
0x3956c25bUL,0x59f111f1UL,0x923f82a4UL,0xab1c5ed5UL,
|
||||
0xd807aa98UL,0x12835b01UL,0x243185beUL,0x550c7dc3UL,
|
||||
0x72be5d74UL,0x80deb1feUL,0x9bdc06a7UL,0xc19bf174UL,
|
||||
0xe49b69c1UL,0xefbe4786UL,0x0fc19dc6UL,0x240ca1ccUL,
|
||||
0x2de92c6fUL,0x4a7484aaUL,0x5cb0a9dcUL,0x76f988daUL,
|
||||
0x983e5152UL,0xa831c66dUL,0xb00327c8UL,0xbf597fc7UL,
|
||||
0xc6e00bf3UL,0xd5a79147UL,0x06ca6351UL,0x14292967UL,
|
||||
0x27b70a85UL,0x2e1b2138UL,0x4d2c6dfcUL,0x53380d13UL,
|
||||
0x650a7354UL,0x766a0abbUL,0x81c2c92eUL,0x92722c85UL,
|
||||
0xa2bfe8a1UL,0xa81a664bUL,0xc24b8b70UL,0xc76c51a3UL,
|
||||
0xd192e819UL,0xd6990624UL,0xf40e3585UL,0x106aa070UL,
|
||||
0x19a4c116UL,0x1e376c08UL,0x2748774cUL,0x34b0bcb5UL,
|
||||
0x391c0cb3UL,0x4ed8aa4aUL,0x5b9cca4fUL,0x682e6ff3UL,
|
||||
0x748f82eeUL,0x78a5636fUL,0x84c87814UL,0x8cc70208UL,
|
||||
0x90befffaUL,0xa4506cebUL,0xbef9a3f7UL,0xc67178f2UL };
|
||||
|
||||
/*
|
||||
* FIPS specification refers to right rotations, while our ROTATE macro
|
||||
* is left one. This is why you might notice that rotation coefficients
|
||||
* differ from those observed in FIPS document by 32-N...
|
||||
*/
|
||||
#define Sigma0(x) (ROTATE((x),30) ^ ROTATE((x),19) ^ ROTATE((x),10))
|
||||
#define Sigma1(x) (ROTATE((x),26) ^ ROTATE((x),21) ^ ROTATE((x),7))
|
||||
#define sigma0(x) (ROTATE((x),25) ^ ROTATE((x),14) ^ ((x)>>3))
|
||||
#define sigma1(x) (ROTATE((x),15) ^ ROTATE((x),13) ^ ((x)>>10))
|
||||
|
||||
#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
|
||||
#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
|
||||
|
||||
#define ROUND_00_15(i,a,b,c,d,e,f,g,h) do { \
|
||||
T1 += h + Sigma1(e) + Ch(e,f,g) + K256[i]; \
|
||||
h = Sigma0(a) + Maj(a,b,c); \
|
||||
d += T1; h += T1; } while (0)
|
||||
|
||||
#define ROUND_16_63(i,a,b,c,d,e,f,g,h,X) do { \
|
||||
s0 = X[(i+1)&0x0f]; s0 = sigma0(s0); \
|
||||
s1 = X[(i+14)&0x0f]; s1 = sigma1(s1); \
|
||||
T1 = X[(i)&0x0f] += s0 + s1 + X[(i+9)&0x0f]; \
|
||||
ROUND_00_15(i,a,b,c,d,e,f,g,h); } while (0)
|
||||
|
||||
static void sha256_block (SHA256_CTX *ctx, const void *in, size_t num, int host)
|
||||
{
|
||||
uint32_t a,b,c,d,e,f,g,h,s0,s1,T1;
|
||||
uint32_t X[16];
|
||||
int i;
|
||||
const unsigned char *data=in;
|
||||
|
||||
while (num--) {
|
||||
|
||||
a = ctx->h[0]; b = ctx->h[1]; c = ctx->h[2]; d = ctx->h[3];
|
||||
e = ctx->h[4]; f = ctx->h[5]; g = ctx->h[6]; h = ctx->h[7];
|
||||
|
||||
if (host)
|
||||
{
|
||||
const uint32_t *W=(const uint32_t *)data;
|
||||
|
||||
T1 = X[0] = W[0]; ROUND_00_15(0,a,b,c,d,e,f,g,h);
|
||||
T1 = X[1] = W[1]; ROUND_00_15(1,h,a,b,c,d,e,f,g);
|
||||
T1 = X[2] = W[2]; ROUND_00_15(2,g,h,a,b,c,d,e,f);
|
||||
T1 = X[3] = W[3]; ROUND_00_15(3,f,g,h,a,b,c,d,e);
|
||||
T1 = X[4] = W[4]; ROUND_00_15(4,e,f,g,h,a,b,c,d);
|
||||
T1 = X[5] = W[5]; ROUND_00_15(5,d,e,f,g,h,a,b,c);
|
||||
T1 = X[6] = W[6]; ROUND_00_15(6,c,d,e,f,g,h,a,b);
|
||||
T1 = X[7] = W[7]; ROUND_00_15(7,b,c,d,e,f,g,h,a);
|
||||
T1 = X[8] = W[8]; ROUND_00_15(8,a,b,c,d,e,f,g,h);
|
||||
T1 = X[9] = W[9]; ROUND_00_15(9,h,a,b,c,d,e,f,g);
|
||||
T1 = X[10] = W[10]; ROUND_00_15(10,g,h,a,b,c,d,e,f);
|
||||
T1 = X[11] = W[11]; ROUND_00_15(11,f,g,h,a,b,c,d,e);
|
||||
T1 = X[12] = W[12]; ROUND_00_15(12,e,f,g,h,a,b,c,d);
|
||||
T1 = X[13] = W[13]; ROUND_00_15(13,d,e,f,g,h,a,b,c);
|
||||
T1 = X[14] = W[14]; ROUND_00_15(14,c,d,e,f,g,h,a,b);
|
||||
T1 = X[15] = W[15]; ROUND_00_15(15,b,c,d,e,f,g,h,a);
|
||||
|
||||
data += SHA256_CBLOCK;
|
||||
}
|
||||
else
|
||||
{
|
||||
uint32_t l;
|
||||
|
||||
HOST_c2l(data,l); T1 = X[0] = l; ROUND_00_15(0,a,b,c,d,e,f,g,h);
|
||||
HOST_c2l(data,l); T1 = X[1] = l; ROUND_00_15(1,h,a,b,c,d,e,f,g);
|
||||
HOST_c2l(data,l); T1 = X[2] = l; ROUND_00_15(2,g,h,a,b,c,d,e,f);
|
||||
HOST_c2l(data,l); T1 = X[3] = l; ROUND_00_15(3,f,g,h,a,b,c,d,e);
|
||||
HOST_c2l(data,l); T1 = X[4] = l; ROUND_00_15(4,e,f,g,h,a,b,c,d);
|
||||
HOST_c2l(data,l); T1 = X[5] = l; ROUND_00_15(5,d,e,f,g,h,a,b,c);
|
||||
HOST_c2l(data,l); T1 = X[6] = l; ROUND_00_15(6,c,d,e,f,g,h,a,b);
|
||||
HOST_c2l(data,l); T1 = X[7] = l; ROUND_00_15(7,b,c,d,e,f,g,h,a);
|
||||
HOST_c2l(data,l); T1 = X[8] = l; ROUND_00_15(8,a,b,c,d,e,f,g,h);
|
||||
HOST_c2l(data,l); T1 = X[9] = l; ROUND_00_15(9,h,a,b,c,d,e,f,g);
|
||||
HOST_c2l(data,l); T1 = X[10] = l; ROUND_00_15(10,g,h,a,b,c,d,e,f);
|
||||
HOST_c2l(data,l); T1 = X[11] = l; ROUND_00_15(11,f,g,h,a,b,c,d,e);
|
||||
HOST_c2l(data,l); T1 = X[12] = l; ROUND_00_15(12,e,f,g,h,a,b,c,d);
|
||||
HOST_c2l(data,l); T1 = X[13] = l; ROUND_00_15(13,d,e,f,g,h,a,b,c);
|
||||
HOST_c2l(data,l); T1 = X[14] = l; ROUND_00_15(14,c,d,e,f,g,h,a,b);
|
||||
HOST_c2l(data,l); T1 = X[15] = l; ROUND_00_15(15,b,c,d,e,f,g,h,a);
|
||||
}
|
||||
|
||||
for (i=16;i<64;i+=8)
|
||||
{
|
||||
ROUND_16_63(i+0,a,b,c,d,e,f,g,h,X);
|
||||
ROUND_16_63(i+1,h,a,b,c,d,e,f,g,X);
|
||||
ROUND_16_63(i+2,g,h,a,b,c,d,e,f,X);
|
||||
ROUND_16_63(i+3,f,g,h,a,b,c,d,e,X);
|
||||
ROUND_16_63(i+4,e,f,g,h,a,b,c,d,X);
|
||||
ROUND_16_63(i+5,d,e,f,g,h,a,b,c,X);
|
||||
ROUND_16_63(i+6,c,d,e,f,g,h,a,b,X);
|
||||
ROUND_16_63(i+7,b,c,d,e,f,g,h,a,X);
|
||||
}
|
||||
|
||||
ctx->h[0] += a; ctx->h[1] += b; ctx->h[2] += c; ctx->h[3] += d;
|
||||
ctx->h[4] += e; ctx->h[5] += f; ctx->h[6] += g; ctx->h[7] += h;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Idea is to trade couple of cycles for some space. On IA-32 we save
|
||||
* about 4K in "big footprint" case. In "small footprint" case any gain
|
||||
* is appreciated:-)
|
||||
*/
|
||||
void HASH_BLOCK_HOST_ORDER (SHA256_CTX *ctx, const void *in, size_t num)
|
||||
{ sha256_block (ctx,in,num,1); }
|
||||
|
||||
void HASH_BLOCK_DATA_ORDER (SHA256_CTX *ctx, const void *in, size_t num)
|
||||
{ sha256_block (ctx,in,num,0); }
|
||||
|
||||
|
||||
35
src/libutil/sha256.h
Normal file
35
src/libutil/sha256.h
Normal file
|
|
@ -0,0 +1,35 @@
|
|||
#ifndef _SHA256_H
|
||||
#define _SHA256_H 1
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#define SHA_LBLOCK 16
|
||||
#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a
|
||||
* contiguous array of 32 bit
|
||||
* wide big-endian values. */
|
||||
|
||||
#define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a
|
||||
* contiguous array of 32 bit
|
||||
* wide big-endian values. */
|
||||
#define SHA224_DIGEST_LENGTH 28
|
||||
#define SHA256_DIGEST_LENGTH 32
|
||||
|
||||
typedef struct SHA256state_st
|
||||
{
|
||||
uint32_t h[8];
|
||||
uint32_t Nl,Nh;
|
||||
uint32_t data[SHA_LBLOCK];
|
||||
unsigned int num,md_len;
|
||||
} SHA256_CTX;
|
||||
|
||||
int SHA224_Init(SHA256_CTX *c);
|
||||
int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
|
||||
int SHA224_Final(unsigned char *md, SHA256_CTX *c);
|
||||
unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md);
|
||||
int SHA256_Init(SHA256_CTX *c);
|
||||
int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
|
||||
int SHA256_Final(unsigned char *md, SHA256_CTX *c);
|
||||
unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md);
|
||||
void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
|
||||
|
||||
#endif
|
||||
|
|
@ -25,6 +25,7 @@ void run(Strings args)
|
|||
if (i == args.end()) throw UsageError("`--type' requires an argument");
|
||||
if (*i == "md5") ht = htMD5;
|
||||
else if (*i == "sha1") ht = htSHA1;
|
||||
else if (*i == "sha256") ht = htSHA256;
|
||||
else throw UsageError(format("unknown hash type `%1%'") % *i);
|
||||
}
|
||||
else
|
||||
|
|
|
|||
|
|
@ -23,7 +23,7 @@ substitutes.sh: substitutes.nix substituter.nix
|
|||
substitutes2.sh: substitutes2.nix substituter.nix substituter2.nix
|
||||
fallback.sh: fallback.nix
|
||||
|
||||
TESTS = init.sh lang.sh simple.sh dependencies.sh locking.sh parallel.sh \
|
||||
TESTS = init.sh hash.sh lang.sh simple.sh dependencies.sh locking.sh parallel.sh \
|
||||
build-hook.sh substitutes.sh substitutes2.sh fallback.sh verify.sh
|
||||
|
||||
XFAIL_TESTS =
|
||||
|
|
|
|||
Loading…
Reference in a new issue