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* NR_Verification_Operation::verify_mr would return false if the inputlloyd2012-05-182-2/+5
| | | | | | | | | | was not the right size for a signature (following DSA). This would silently convert to an empty vector which we would treat as a valid message on the return. However the EMSA checks will always fail so not a huge problem. While checking this out I noticed that an empty value for EMSA4 would result in us reading memory we didn't own.
* Pipe::reset's requirement that a message be completed meant thatlloyd2012-05-181-2/+0
| | | | | | exceptions thrown in end_msg (for instance in CBC decryption when the padding is bad) more or less screwed up the pipe completely. Allowing reset here at least allows an escape hatch.
* We were checking the wrong bit for rdrand support. Found using SDE'slloyd2012-05-101-1/+1
| | | | | | | | -ivb_rdrnd_cpuid option to toggle the bit off and on. Fortunately on Intel processors the bit we were actually checking is also enabled by Ivy Bridge. However it is also used on AMD Bulldozer processors to signal half-precision floating point support so we could false positive there.
* Markus Wanner pointed out on the mailing list that using rdrand opcodelloyd2012-05-071-3/+8
| | | | | | | didn't work on older GCC/binutils. Instead hardcode the expression for rdrand %eax, which should work everywhere. Also, avoid including immintrin.h unless we're going to use it, to avoid problems with older compilers that lack that header (this caused build failures under GCC 3.4.6).
* Padding wasn't set for DSA keys. Irrelevant for cert verify as thatlloyd2012-05-022-3/+3
| | | | isn't working here anyway, but also broke DSA servers.
* Partially roll back b2aef16225863cef27cdee4b91703966b3ed1458, itlloyd2012-04-281-2/+2
| | | | caused huge performance issues with DSA/ECDSA signing performance.
* For all but the first and last rounds, use a set of 64 bit tables tolloyd2012-04-273-92/+669
| | | | implement Camellia's F function. Roughtly 60 - 80% speedup on Nehalem.
* Add support for the rdrand instruction, added in Intel's Ivy Bridgelloyd2012-04-264-0/+111
| | | | | | | processors. Tested using SDE on Linux with GCC 4.6, Intel C++ 11.1, and Clang 3.0, all using the inline asm variant. I do not know if current Visual C++ has the intrinsics available or not, so it's only marked as available for those compilers at the moment.
* Patrick Pelletier noted on the mailing list that the implementation oflloyd2012-04-243-99/+179
| | | | | | | | | Camellia exposed by the OpenSSL module is parameterized by the key length, much as AES is, while the version in the main source uses a single name/type for all variants. For consistency, convert to using a key length parameterized name in our version as well. In the future this might allow for better loop unrolling, etc but currently we don't make use of that.
* Patrick Pelletier pointed out the hook for Qt_Mutex in libstate.cpplloyd2012-04-234-83/+0
| | | | | | | was broken, and after fixing that and trying to compile the module it becamse clear that the Qt mutex did not work at all with recent Qt versions. Taking this as a clear indicator that it is not being used, remove it.
* Fix various typos, and remove an unused macro in checks/bench.cpplloyd2012-04-236-7/+7
| | | | All reported by Patrick Pelletier.
* Avoid a few maintainer mode flag warnings. Remove -Weffc++ from thelloyd2012-04-206-8/+18
| | | | | list of maintainer mode flags. It produces some very useful warnings, but also a lot of noisy junk that I really don't care about.
* merge of '058444ec216dd9690938c82922d911df2da535b4'lloyd2012-04-091-4/+4
|\ | | | | | | and 'bc49da394c675517b140a404c19094020d6e9d40'
| * The comments incorrectly described end as returning the last element,lloyd2012-04-091-4/+4
| | | | | | | | | | rather than one past the end. Reported by Stuart Maclean on the mailing list.
* | Use just 256 bits of secret exponent (recomended value in RFC 5054).lloyd2012-04-064-21/+22
| | | | | | | | | | | | | | Much faster, especially when using 8192 bit groups as OpenSSL does by default. Use BOTAN_DLL symbol visibility macros.
* | Remove the client SRP6 class, really free standing functions are finelloyd2012-04-053-47/+152
|/ | | | | | | | | | | for this. Add a new function that identifies a named SRP group from the N/g params - this is important as we need to verify the SRP groups, the easiest way to do that is to to force them to be a known/published value. Add the 1536, 3072, 4096, 6144, and 8192 bit groups from RFC 5054
* Add more comments explaining what is going on in dl_work_factorlloyd2012-03-302-28/+29
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* Typo in commentlloyd2012-03-091-1/+1
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* Allow the semi-standard but rarely used 1.3.132.1.12 OID for ECDH keyslloyd2012-02-211-1/+13
| | | | | on decoding by default, and add a comment showing how to enable it for encoding.
* Avoid blocking more than 100 ms in the random device reader. Scale uplloyd2012-02-202-4/+8
| | | | | | | how much we ask for on the basis of how many bits we're counting each byte as contributing. Change /dev/*random estimate to 7 bits per byte. Small cleanup in HMAC_RNG.
* Avoid having more than one directory open at a time by just keeping alloyd2012-02-201-28/+49
| | | | | list of directory names (without the open DIRs) plus the one currently active dir.
* Be more conservative about entropy estimates. In particular, insteadlloyd2012-02-175-7/+7
| | | | | | | | | | | | | of giving /dev/random, EGD, and CryptoAPI a full 8 bits per byte of entropy, estimate at 6 bits. In the proc walker, allow more files to be read, read more of any particular file, and count each bit for 1/10 as much as before. Reading more of the file seems especially valuable, as some files are quite random, whereas others are very static, and this should ensure we read more of the actually unpredictable inputs. Prefer /dev/random over /dev/urandom
* Force a reseed in HMAC_RNG after 20 bytes have been added, rather thanlloyd2012-02-151-5/+12
| | | | | | waiting for a full kilobyte. This is for the benefit of DSA/ECDSA which want a call to add_entropy to update the state in some way, passing just a hash input which might be as small as 20 bytes.
* Support ECDH key creation in the key factory function. Patch from Seanlloyd2012-02-031-0/+14
| | | | Cassidy, sent to the mailing list.
* Whitespacelloyd2012-02-022-4/+3
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* Disable this version of the SSL code by defaultlloyd2012-02-011-2/+6
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* Remove debug printfs, stdio includeslloyd2012-01-303-11/+0
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* Pointer writing seems cleanerlloyd2012-01-302-102/+102
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* Partially de-unroll the loop to make changes easierlloyd2012-01-301-86/+41
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* Add a slow but functional implementation of Camellialloyd2012-01-285-1/+406
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* Fix lib suffixlloyd2012-01-252-3/+9
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* Fix -Wreorder warninglloyd2012-01-251-1/+1
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* Use initializer list, make destructor virtuallloyd2012-01-061-2/+2
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* Remove the autheticator generation from the SRP code as it's not usedlloyd2011-12-314-52/+143
| | | | | by TLS (relies on the finished message check). Add a class for reading files created by GnuTLS's srptool.
* A bad decrypt on a TLS 1.0/1.1 message would cause a mostly infinitelloyd2011-12-311-1/+6
| | | | | loop (size_t overflow), likely causing a segfault. Not exploitable as far as I can tell, beyond the obvious crashing.
* Add code point for the SRP identifier extension and add a check for itlloyd2011-12-173-0/+13
| | | | | in the Client_Hello parser. Works, tested with GnuTLS command line client.
* Initial run at an SRP-6a implementation. Not entirely sure about thelloyd2011-12-174-0/+288
| | | | | interface but it's a plausible start. Will probably have more insights after adding TLS hooks.
* Add the 2048 bit SRP group from RFC 5054lloyd2011-12-171-0/+15
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* Make this exception somewhat more understandable. I think.lloyd2011-12-171-1/+1
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* Use LoadLibraryA instead of bare LoadLibrary so things work if used inlloyd2011-12-131-1/+1
| | | | an amalgamation and the app is compiled in Unicode mode.
* Fix PR 166lloyd2011-12-081-5/+9
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* Add basic NaCl targetlloyd2011-12-081-0/+4
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* LoadLibrary apparently works on MinGWlloyd2011-12-021-0/+1
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* GCC doesn't like casting a function pointer to void* without anlloyd2011-12-021-1/+2
| | | | explicit cast.
* Add AltiVec detection on OpenBSD, contributed by Brad Smith in PR 162lloyd2011-11-281-1/+15
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* Call cpuid via inline asm on x86-64, so we can use it with Clang (nolloyd2011-11-181-2/+16
| | | | cpuid intrinsic) and older GCC (no cpuid.h before 4.3)
* Add model name for Sandy Bridge. Use -march=corei7 with GCC and Clanglloyd2011-11-183-12/+16
| | | | as they seem to understand it as of GCC 4.6 and Clang 2.9.
* Fix declarationlloyd2011-11-181-2/+1
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* Manually rename registers instead of rotating. Performance is aboutlloyd2011-11-181-638/+638
| | | | | the same, so clearly GCC 4.6 and/or the Core i7 are very good about renames, but might help on less capable systems.
* Poll clock_gettime in High_Resolution_Timestamp::poll with whateverlloyd2011-11-112-1/+39
| | | | clock types we know about that have macros defined for them.
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