[ Long time subscriber, posting from a new address ;-) ]
I'm trying to build crypto++ with clang.
It's throwing some errors like:
> clang++ -DNDEBUG -g -O2 -arch x86_64 -arch i386 -DCRYPTOPP_DISABLE_ASM -pipe
> -c panama.cpp
> panama.cpp:425:2: error: use of undeclared identifier 'PadLastBlock'
> PadLastBlock(this->BLOCKSIZE, 0x01);
> ^
> this->
> panama.cpp:500:22: note: in instantiation of member function
> 'CryptoPP::Weak::PanamaHash<CryptoPP::EnumToType<CryptoPP::ByteOrder, 1>
> >::TruncatedFinal' requested here
> template class Weak::PanamaHash<BigEndian>;
> ^
> In file included from panama.cpp:9:
> In file included from ./panama.h:5:
> ./iterhash.h:38:7: note: must qualify identifier to find this declaration in
> dependent
> base class
> void PadLastBlock(unsigned int lastBlockSize, byte padFirst=0x80);
> ^
> panama.cpp:425:2: error: no member named 'PadLastBlock' in
> 'CryptoPP::Weak::PanamaHash<LittleEndian>'
> PadLastBlock(this->BLOCKSIZE, 0x01);
> ^~~~~~~~~~~~
> panama.cpp:501:22: note: in instantiation of member function
> 'CryptoPP::Weak::PanamaHash<CryptoPP::EnumToType<CryptoPP::ByteOrder, 0>
> >::TruncatedFinal' requested here
> template class Weak::PanamaHash<LittleEndian>;
> ^
> In file included from panama.cpp:9:
> In file included from ./panama.h:4:
> In file included from ./strciphr.h:31:
> In file included from ./seckey.h:9:
I fixed these errors by inserting qualifying 'this->' in several places in the
crypto++ sources.
I would like to see these changes rolled into the next release.
[ When built with gcc 4.2.1, crypto++ builds and passes all its' tests with
these changes in place. ]
> diff -r /Volumes/Bay2/LLVM/cryptopp561/algebra.cpp
> /Volumes/Bay2/Alex/cryptopp/cryptopp5.6.1/algebra.cpp
> 61c61
> < while (!this->Equal(g[i1], this->Identity()))
> ---
> > while (!Equal(g[i1], this->Identity()))
> diff -r /Volumes/Bay2/LLVM/cryptopp561/eccrypto.cpp
> /Volumes/Bay2/Alex/cryptopp/cryptopp5.6.1/eccrypto.cpp
> 438c438
> < this->SetSubgroupGenerator(G);
> ---
> > SetSubgroupGenerator(G);
> 594c594
> < Element gq = gpc ?
> gpc->Exponentiate(this->GetGroupPrecomputation(), q) :
> this->ExponentiateElement(g, q);
> ---
> > Element gq = gpc ?
> > gpc->Exponentiate(this->GetGroupPrecomputation(), q) :
> > ExponentiateElement(g, q);
> 632c632
> < this->SetPublicElement(P);
> ---
> > SetPublicElement(P);
> diff -r /Volumes/Bay2/LLVM/cryptopp561/eccrypto.h
> /Volumes/Bay2/Alex/cryptopp/cryptopp5.6.1/eccrypto.h
> 46c46
> < this->SetSubgroupGenerator(G);
> ---
> > SetSubgroupGenerator(G);
> 148c148
> < {this->AccessGroupParameters() = params;
> this->SetPublicElement(Q);}
> ---
> > {this->AccessGroupParameters() = params; SetPublicElement(Q);}
> 150c150
> < {this->AccessGroupParameters().Initialize(ec, G, n);
> this->SetPublicElement(Q);}
> ---
> > {this->AccessGroupParameters().Initialize(ec, G, n);
> > SetPublicElement(Q);}
> 169c169
> < {this->GenerateRandom(rng, params);}
> ---
> > {GenerateRandom(rng, params);}
> 171c171
> < {this->GenerateRandom(rng, DL_GroupParameters_EC<EC>(ec, G,
> n));}
> ---
> > {GenerateRandom(rng, DL_GroupParameters_EC<EC>(ec, G, n));}
> diff -r /Volumes/Bay2/LLVM/cryptopp561/panama.cpp
> /Volumes/Bay2/Alex/cryptopp/cryptopp5.6.1/panama.cpp
> 425c425
> < this->PadLastBlock(this->BLOCKSIZE, 0x01);
> ---
> > PadLastBlock(this->BLOCKSIZE, 0x01);
> diff -r /Volumes/Bay2/LLVM/cryptopp561/secblock.h
> /Volumes/Bay2/Alex/cryptopp/cryptopp5.6.1/secblock.h
> 91c91
> < this->CheckSize(n);
> ---
> > CheckSize(n);
-- Marshall
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