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ChangeSet@1.2703, 2007-12-07 09:35:28-05:00, cmiller@zippy.cornsilk.net +40 -0 Bug#13174: SHA2 function Patch contributed from Bill Karwin, paper unnumbered CLA in Seattle Implement SHA2 functions. Chad added code to make it work with YaSSL. Also, he removed the (probable) bug of embedded server never using SSL-dependent functions. (libmysqld/Makefile.am didn't read ANY autoconf defs.) Function specification: SHA2( string cleartext, integer hash_length ) -> string hash, or NULL where hash_length is one of 224, 256, 384, or 512. If either is NULL or a length is unsupported, then the result is NULL. The resulting string is always the length of the hash_length parameter or is NULL. Include the canonical hash examples from the NIST in the test results. --- Polish and address concerns of reviewers.
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/* Copyright (C) 2007 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/**
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@file
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A compatibility layer to our built-in SSL implementation, to mimic the
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oft-used external library, OpenSSL.
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*/
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#include <my_global.h>
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#include <sha2.h>
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#ifdef HAVE_YASSL
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/*
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If TaoCrypt::SHA512 or ::SHA384 are not defined (but ::SHA256 is), it's
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probably that neither of config.h's SIZEOF_LONG or SIZEOF_LONG_LONG are
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64 bits long. At present, both OpenSSL and YaSSL require 64-bit integers
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for SHA-512. (The SIZEOF_* definitions come from autoconf's config.h .)
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*/
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# define GEN_YASSL_SHA2_BRIDGE(size) \
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unsigned char* SHA##size(const unsigned char *input_ptr, size_t input_length, \
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char unsigned *output_ptr) { \
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TaoCrypt::SHA##size hasher; \
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\
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hasher.Update(input_ptr, input_length); \
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hasher.Final(output_ptr); \
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return(output_ptr); \
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}
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/**
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@fn SHA512
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@fn SHA384
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@fn SHA256
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@fn SHA224
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Instantiate an hash object, fill in the cleartext value, compute the digest,
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and extract the result from the object.
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(Generate the functions. See similar .h code for the prototypes.)
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*/
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# ifndef OPENSSL_NO_SHA512
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GEN_YASSL_SHA2_BRIDGE(512);
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GEN_YASSL_SHA2_BRIDGE(384);
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# else
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# warning Some SHA2 functionality is missing. See OPENSSL_NO_SHA512.
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# endif
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GEN_YASSL_SHA2_BRIDGE(256);
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GEN_YASSL_SHA2_BRIDGE(224);
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# undef GEN_YASSL_SHA2_BRIDGE
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#endif /* HAVE_YASSL */
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