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2018-08-03Fix some undefined behaviour in the Curve448 code (2nd attempt)Dr. Matthias St. Pierre
Fixes #6800 Replaces #5418 This commit reverts commit 7876dbffcee9 and moves the check for a zero-length input down the callstack into sha3_update(). Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Andy Polyakov <appro@openssl.org> Reviewed-by: Paul Dale <paul.dale@oracle.com> (Merged from https://github.com/openssl/openssl/pull/6838)
2018-05-31Remove some logically dead codeMatt Caswell
Found by coverity. This is an artifact left over from the original decaf import which generated the source code for different curves. For curve 448 this is dead. Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/6373)
2018-03-22curve448/field.h: relax alignment, as it doesn't work universally.Andy Polyakov
Some platforms, cough-DJGPP, fail to compile claiming that requested alignment is greater than maximum possible. Supposedly original alignment was result of an attempt to utilize AVX2... Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5708)
2018-03-03ec/curve448/f_generic.c: fix VC-WIN32 debug build failure.Andy Polyakov
Debugging asserts had implicit casts that triggered the warnings. However, instead of making the casts explicit it's more appropriate to perform checks that ensure that implicit casts were safe. ec/curve448/scalar.c: size_t-fy scalar_decode_short. Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5494)
2018-03-03ec/curve448/curve448.c: fix undefined behaviour sanitizer failure.Andy Polyakov
Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5494)
2018-02-24ec/curve448: portability fixups.Andy Polyakov
SPARC condition in __SIZEOF_INT128__==16 is rather performance thing than portability. Even though compiler advertises int128 capability, corresponding operations are inefficient, because they are not directly backed by instruction set. Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5449)
2018-02-21Fix some undefined behaviour in the Curve448 codeMatt Caswell
We can't add NULL data into a hash Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5418)
2018-02-20Some more cleanups of curve448 codeMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20fixup! More style fixes for the curve448 codeMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20fixup! Improve readability of f_impl.c and f_impl.hMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Improve readability of f_impl.c and f_impl.hMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove unrolled loopsMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Yet more style updates to the curve448 codeMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Further style changes to curve448 codeMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Simplify some codeMatt Caswell
The original curve448 code was templated to allow for a 25519 implementation. We've just imported the 448 stuff - but a remnant of the original templated approach remained. This just simplifies that. Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove some unneccessary use of constant time code in curve448Matt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Fix a travis failure in the curve448 codeMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove the curve448 vector codeMatt Caswell
We removed various platform specific optimisation files in an earlier commit. The vector code was related to that and therefore is no longer required. It may be resurrected at a later point if we reintroduce the opimtisations. Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20More style fixes for the curve448 codeMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove a strict aliasing issue with pre-computed curve448 constantsMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20More style fixes to Curve448 code based on review feedbackMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Some style fixesMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Formatting tweak based on review feedbackMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Use NLIMBS where appropriate to simplify the codeMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove cplusplus guards in internal headersMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove the curve448 specific constant time implementationMatt Caswell
Instead we should use the standard OpenSSL constant time routines. Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Use the NLIMBS macro rather than try and calculate the number of limbsMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Rename a function to avoid a clashMatt Caswell
We already have a constant_time_select() function so, to avoid confusion/clashing we shouldn't have a second one. Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove curve448 architecture specific filesMatt Caswell
Remove all architecture specific files except for the reference arch_32 version. These files provide archicture specific performance optimisation. However they have not been integrated yet. In order to avoid review issues they are removed for now. They may be reintroduced at a later time. Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Fix AppVeyor failure in eddsa.cMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Fix travis failure in f_impl.cMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Fix a typo in a commentMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Update Curve448 copyright for 2018Matt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Code tidy upMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Fixes for compilation using clangMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Move curve448_test.c to be a full internal testMatt Caswell
This ensures that this test is run as part of the test suite Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Fix build errors for Curve448 code on Windows (VC-WIN32 and VC-WIN64A)Matt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove some gcc/clang specific attributes we don't supportMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove duplicated 448 in the names of various thingsMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Merge f_field.h into field.hMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Merge f_arithmetic.c into f_generic.cMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove references to libdecafMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Remove some unneeded codeMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Manual formatting tweaks to Curve448 codeMatt Caswell
Following running openssl-format-source there were a lot of manual tweaks that were requried. Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Run util/openssl-format-source on the Curve448 codeMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Update the imported curve448 code to use OpenSSL copyright headersMatt Caswell
Some files talk about the MIT license. This code was contributed under CLA and was relicensed to the OpenSSL licence when imported. Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Fix the ED448 key lengthsMatt Caswell
Unlike X448 the key lengths for ED448 are 57 bytes (as opposed to 56) Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Integrate Curve448 into the build systemMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Convert to C90 from C99Matt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
2018-02-20Rename the decaf files to curve448 filesMatt Caswell
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/5105)
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