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2013 Sep 20
0
[LLVMdev] Adding diversity for security (and testing)
...andards.html#static + PKCS5_PBKDF2_HMAC_SHA1(Password.data(), Password.size(), (unsigned char*)&Salt, sizeof(Salt), PBKDF_ITERATIONS, KeyLen, RandomBytes); 80-column violation. http://llvm.org/docs/CodingStandards.html#source-code-width +void RandomNumberGenerator::ReadStateFile(StringRef StateFilename) { There's nothing wrong with this function per se. It isn't buggy. I'm just wondering how this API fits with the general "llvm as a library" approach. LLVM doesn't generally bake in the assumption that it's running on a system with a filesystem. For example, the...
2013 Sep 19
2
[LLVMdev] Adding diversity for security (and testing)
Thanks for all the feedback! It seems there is some interest, so I thought I'd try to summarize discussions so far, and provide patches for closer inspection. I'm not sure if patches should end up here or on a different list in this instance, so if I should instead send this to a different list, I'm happy to do so. - Is diversity needed, or are existing protections sufficient? As
2013 Sep 20
2
[LLVMdev] Adding diversity for security (and testing)
...) makes the client code particularly unreadable, since it currently uses a static Generator() getter to get the instance of the RNG. I'd like to resolve this first, then we can look at whether using the operator() interface makes sense. > +void RandomNumberGenerator::ReadStateFile(StringRef StateFilename) { > > There's nothing wrong with this function per se. It isn't buggy. I'm just wondering how this API fits with the general "llvm as a library" approach. LLVM doesn't generally bake in the assumption that it's running on a system with a filesystem. For exampl...