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2019-01-23global: normalize -> clampJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-07global: update copyrightJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-07chacha20: do not define unused asm functionJason A. Donenfeld
This causes RAP to be unhappy, and we're not using it anyway. Reported-by: Ivan J. <parazyd@dyne.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-07chacha20,poly1305: simplify perlasm fancinessJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-19chacha20,poly1305: do not use xlateJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-17poly1305: make frame pointers for auxiliary callsSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15chacha20,poly1305: don't do compiler testing in generator and remove xor helperJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15poly1305: cleanup leftover debugging changesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15poly1305: only export neon symbols when in useJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15chacha20,poly1305: fix up for win64Samuel Neves
These don't help us, but it is important to keep this working for when it's re-added to cryptogams. Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15perlasm: avoid rep retJason A. Donenfeld
The original hardcodes returns as .byte 0xf3,0xc3, aka "rep ret". We replace this by "ret". "rep ret" was meant to help with AMD K8 chips, cf. http://repzret.org/p/repzret. It makes no sense to continue to use this kludge for code that won't even run on ancient AMD chips. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15poly1305: specialize to wireguardJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15chacha20: specialize to wireguardJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15perlasm: cleanup whitespaceJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15poly1305: adjust to kernelSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: cleaner function declarationsSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: normalize namesSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: fixup win64 stack offsetsSamuel Neves
We don't need to do this for kernel purposes, but it's polite to leave things unbroken. Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: simplify stack unwinding on ChaCha20_ctr32Samuel Neves
objtool did not quite understand the stack arithmetic employed here. Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: use DRAP idiomSamuel Neves
This effectively means swapping the usage of %r9 and %r10 globally. Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: add hchacha_ssse3Samuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: begin adapting to kernel settingSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20,poly1305: switch to perlasm originals on x86_64Samuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20,poly1305: use CONFIG_KERNEL_MODE_NEON in .pl on armJason A. Donenfeld
While Andy is right to desire a separation between compiler defines and project defines, there are simply too many odd kernel configurations and we require testing for CONFIG_KERNEL_MODE_NEON. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20,poly1305: switch to perlasm originals on mips and armJason A. Donenfeld
We also separate out Eric Biggers' Cortex A7 implementation into its own file. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-13global: various formatting tweeksJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-27curve25519-x86_64: this was relicensed to BSD-3-Clause upstreamJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-27poly1305-donna64: mark large constants as ULLJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-07crypto: clean up remaining .h->.cJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-07crypto: use BIT(i) & bitmap instead of (bitmap >> i) & 1Jason A. Donenfeld
Pros: clearer if you're not familiar with the shift idiom, uses kernel macro. Cons: doesn't work any more if the lvalue ever ceases to be a bool. Neutral: generates the same machine code. Suggested-by: Sultan Alsawaf <sultanxda@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-07crypto: disable broken implementations in selftestsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-06crypto: test all SIMD combinationsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-06global: rename include'd C files to be .cJason A. Donenfeld
This is done by 259 other files in the kernel tree: linux $ rg '#include.*\.c' -l | wc -l 259 Suggested-by: Sultan Alsawaf <sultanxda@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-04curve25519-arm: rearrange multiplications for better in-order performanceJason A. Donenfeld
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-04curve25519-arm: writeback to base register when possibleJason A. Donenfeld
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-03blake2s: always put a simd, even if not use()'dJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-03simd: introduce useful disabling macroJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-03curve25519-arm: adjust commentJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-03curve25519-arm: use new simd apiJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02chacha20-arm: use proper reteq macro instead of bxeqJason A. Donenfeld
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02global: change BUG_ON to WARN_ONJason A. Donenfeld
Suggested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02poly1305: document rationale for base 2^26->2^64/32 conversionJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02crypto: use ZINC_ARCH macrosJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02chacha20: split chacha20_ctx into unionJason A. Donenfeld
This avoids casts and makes counter increments obvious. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02crypto: add missing static keyword to fpu init functionsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02crypto: document what's used from <crypto/ beside #includeJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02crypto: WARN_ON in module_init if selftest failsJason A. Donenfeld
If it's a built-in and initcall fails, it won't be fatal. So we should at least be loud. Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02poly1305-mips64: use compiler-defined macros in assemblyJason A. Donenfeld
Andy and I agreed it's more correct to use the compiler-defined macros in assembly code, and not the project specific macros. Suggested-by: Andy Polyakov <appro@openssl.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02blake2s: rename arch function and use slicker le32 helperJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-02blake2s: feed fpu functions PAGE_SIZE at a timeJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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