---------- Forwarded message ----------
From: Mouse <[email protected]>
Date: Fri, 10 Jul 2009 19:13:54 -0400
Subject: Re: Compile AES GCM sample on OSX Leopard?
To: Sean McAllister <[email protected]>

Wei,

This seems to be the bug in the Rijndael implementation (improperly
made .h file) that I reported a while back, and you fixed.

Perhaps it's time to release 5.6.1 with fixes applied?

Thanks!

On 7/10/09, Sean McAllister <[email protected]> wrote:
>
> It looks like make is passing -DCRYPTOPP_DISABLE_ASM to all the source
> files, most likely because my version of 'as' is to low (1.38).
>
>
> On Jul 10, 10:29 am, Sean McAllister <[email protected]> wrote:
>> So I found some sample code on codeproject (Sample 3) relating the GCM
>> functionality of crypto++
>>
>> http://www.codeproject.com/KB/security/EncryptThenAuthenticate.aspx?d...
>>
>> I've got the crypto++  library  compiled and I wrote a makefile for that
>> sample that links against the crypto++ library:
>>
>> CC     = g++
>> CCOPTS =  -I../../cryptopp
>> LDOPTS =  -L../../cryptopp -lcryptopp
>>
>> all: example_3
>>
>> stdafx.o: stdafx.cpp
>>     $(CC) $(CCOPTS) -c stdafx.cpp -o stdafx.o
>>
>> example_3: Sample.cpp stdafx.o stdafx.h
>>     $(CC) $(CCOPTS) $(LDOPTS) Sample.cpp -o example_3 stdafx.o
>>
>> clean:
>>     rm -rf example_3 *.o
>>
>> But when I go to do the final linking, I get this:
>>
>> Undefined symbols:
>>   "CryptoPP::Rijndael::Enc::AdvancedProcessBlocks(unsigned char const*,
>> unsigned char const*, unsigned char*, unsigned long, unsigned int) const",
>> referenced from:
>>       vtable for CryptoPP::BlockCipherFinal<(CryptoPP::CipherDir)0,
>> CryptoPP::Rijndael::Enc>in ccz7OlpQ.o
>>       vtable for
>> CryptoPP::ClonableImpl<CryptoPP::BlockCipherFinal<(CryptoPP::CipherDir)0,
>> CryptoPP::Rijndael::Enc>, CryptoPP::Rijndael::Enc>in ccz7OlpQ.o
>>   "non-virtual thunk to
>> CryptoPP::Rijndael::Enc::AdvancedProcessBlocks(unsigned char const*,
>> unsigned char const*, unsigned char*, unsigned long, unsigned int) const",
>> referenced from:
>>       vtable for CryptoPP::BlockCipherFinal<(CryptoPP::CipherDir)0,
>> CryptoPP::Rijndael::Enc>in ccz7OlpQ.o
>>       vtable for
>> CryptoPP::ClonableImpl<CryptoPP::BlockCipherFinal<(CryptoPP::CipherDir)0,
>> CryptoPP::Rijndael::Enc>, CryptoPP::Rijndael::Enc>in ccz7OlpQ.o
>> ld: symbol(s) not found
>>
>> Checking in rijndael.cpp I can see the function defintiion, but it's
>> wrapper
>> in an ifdef :
>>
>> #if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE ||
>> defined(CRYPTOPP_X64_MASM_AVAILABLE)
>>
>> Rijndae::Enc::AdvancedProcessBlocks
>> #endif
>>
>> Which would seem to indicate those flags are false and undefined
>> respectively.  But the GCM encryptor/decryptor is still trying to use
>> this function.
>>
>> Is this a bug or have I somehow mis-compiled (I just ran make -f
>> GNUmakefile)?
>>
>> Here's my uname and gcc -v info
>>
>> uname:
>> Darwin localhost 9.7.0 Darwin Kernel Version 9.7.0: Tue Mar 31 22:52:17
>> PDT
>> 2009; root:xnu-1228.12.14~1/RELEASE_I386 i386 i386
>>
>> gcc -v
>>
>> Target: i686-apple-darwin9
>> Configured with: /var/tmp/gcc/gcc-5465~16/src/configure --disable-checking
>> -enable-werror --prefix=/usr --mandir=/share/man
>> --enable-languages=c,objc,c++,obj-c++
>> --program-transform-name=/^[cg][^.-]*$/s/$/-4.0/
>> --with-gxx-include-dir=/include/c++/4.0.0 --with-slibdir=/usr/lib
>> --build=i686-apple-darwin9 --with-arch=apple --with-tune=generic
>> --host=i686-apple-darwin9 --target=i686-apple-darwin9
>> Thread model: posix
>> gcc version 4.0.1 (Apple Inc. build 5465)
> >
>


-- 
Regards,
Uri



-- 
Regards,
Uri

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