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* crypto: document what's used from <crypto/ beside #includeJason A. Donenfeld2018-10-023-3/+3
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* crypto: WARN_ON in module_init if selftest failsJason A. Donenfeld2018-10-025-5/+5
| | | | | | | 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>
* poly1305-mips64: use compiler-defined macros in assemblyJason A. Donenfeld2018-10-021-5/+10
| | | | | | | 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>
* blake2s: rename arch function and use slicker le32 helperJason A. Donenfeld2018-10-022-11/+8
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* blake2s: feed fpu functions PAGE_SIZE at a timeJason A. Donenfeld2018-10-021-14/+28
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* poly1305: feed fpu functions PAGE_SIZE at a timeJason A. Donenfeld2018-10-024-29/+49
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* chacha20: feed fpu functions PAGE_SIZE at a timeJason A. Donenfeld2018-10-024-23/+54
| | | | Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
* chacha20: test multiple page span in selftestJason A. Donenfeld2018-10-022-3/+27
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* chacha20: break out of zero loops in selftestJason A. Donenfeld2018-10-021-0/+5
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* crypto: prefer IS_ENABLED to ifdefsJason A. Donenfeld2018-10-028-135/+73
| | | | Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
* crypto: rename DEBUG to SELFTESTJason A. Donenfeld2018-09-2510-59/+58
| | | | | Also we make selftest errors of type err, so that they're obvious in dmesg.
* poly1305-arm: swap endianness in base 2^26 conversionJason A. Donenfeld2018-09-251-1/+5
| | | | | | | These are actually 32-bit limbs, so we have to swap them back after the 64-bit arithmetic. Also, change type of boolean for 64-bit. Suggested-by: Andy Polyakov <appro@openssl.org>
* curve25519-arm: disable on big-endianJason A. Donenfeld2018-09-252-3/+3
| | | | | The qhasm was only written for little-endian systems, and we don't want disaster to ensue.
* chacha20-arm,poly1305-arm: fix big-endian aarch64Jason A. Donenfeld2018-09-252-21/+21
| | | | Suggested-by: Andy Polyakov <appro@openssl.org>
* curve25519: show all failures in test caseJason A. Donenfeld2018-09-251-2/+0
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* curve25519-hacl64: reduce stack usage under KASANJason A. Donenfeld2018-09-251-2/+1
| | | | Suggested-by: Arnd Bergmann <arnd@arndb.de>
* chacha20: add bounds checking to selftestsJason A. Donenfeld2018-09-251-1/+45
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* chacha20-mips32r2: reduce stack and branches in loop, refactor jumptable handlingRené van Dorst2018-09-251-79/+94
| | | | Signed-off-by: René van Dorst <opensource@vdorst.com>
* crypto: make constant naming scheme consistentJason A. Donenfeld2018-09-2511-123/+123
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* hchacha20: keep in native endian in wordsJason A. Donenfeld2018-09-257-37/+41
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* chacha20-arm: remove unused preamblesJason A. Donenfeld2018-09-242-30/+1
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* chacha20-arm: updated scalar code from AndyJason A. Donenfeld2018-09-231-310/+273
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* poly1305-mips64: remove useless preprocessor errorJason A. Donenfeld2018-09-231-4/+0
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* crypto-arm: rework KERNEL_MODE_NEON handling againJason A. Donenfeld2018-09-238-27/+16
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* curve25519-fiat32: work around m68k compiler stack frame bugJason A. Donenfeld2018-09-231-6/+4
| | | | | | | The m68k compiler generates a 1032 byte stack frame. Moving these variables inside the loop fixes that. It also means we're not explicitly memzeroing it any more either, but hopefully that memory is reused anyway by the multiplications.
* chacha20-arm: use new scalar implementationJason A. Donenfeld2018-09-232-569/+1208
| | | | | It turns out this is faster than NEON on some chips, so it's nice to have.
* crypto-arm: rework KERNEL_MODE_NEON handlingJason A. Donenfeld2018-09-232-9/+16
| | | | It might be defined even if the compiler doesn't support it.
* global: reduce stack frame sizeJason A. Donenfeld2018-09-233-26/+36
| | | | This brings it under 1280 on 64-bit and under 1024 on 32-bit systems.
* chacha20: add chunked selftest and test sliding alignments and hchacha20Jason A. Donenfeld2018-09-232-1160/+2467
| | | | | This ensures we're properly updating state[12] and that we're handling all unaligned acceses (in the jump tables for MIPS).
* chacha20-mips32r2: reduce jumptable entry size and stack usageRené van Dorst2018-09-221-39/+48
| | | | Signed-off-by: René van Dorst <opensource@vdorst.com>
* chacha20-mips32r2: use simpler calling conventionJason A. Donenfeld2018-09-212-179/+143
| | | | | | | Since we now set up the block in the generic code, we can rely on that to use fewer variables and reduce stack pressure within the MIPS code. This in turn means we have more registers and more uniformity, so we're able to rewrite quite a bit.
* chacha20-arm: go with Ard's version to optimize for Cortex-A7Jason A. Donenfeld2018-09-215-732/+586
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* chacha20-mips32r2: remove reorder directivesRené van Dorst2018-09-211-107/+68
| | | | | | | | This requires some minimal rearranging to make work, but for the most part as does the right thing, provided we pass it an optimization flag. Suggested-by: Paul Burton <paul.burton@mips.com> Signed-off-by: René van Dorst <opensource@vdorst.com>
* chacha20-mips32r2: fix typo to allow reorder againRené van Dorst2018-09-211-1/+1
| | | | | Reported-by: Paul Burton <paul.burton@mips.com> Signed-off-by: René van Dorst <opensource@vdorst.com>
* poly1305-mips32r2: remove all reorder directivesRené van Dorst2018-09-211-32/+22
| | | | | | | | This requires some minimal rearranging to make work, but for the most part as does the right thing, provided we pass it an optimization flag. Suggested-by: Paul Burton <paul.burton@mips.com> Signed-off-by: René van Dorst <opensource@vdorst.com>
* global: put SPDX identifier on its own lineJason A. Donenfeld2018-09-2035-70/+70
| | | | | The kernel has very specific rules correlating file type with comment type, and also SPDX identifiers can't be merged with other comments.
* crypto: do not waste space on selftest itemsJason A. Donenfeld2018-09-203-9458/+10993
| | | | | | This unfortunately means we have to define symbols, since we want them in __initconst, but it's better than the other two options (no initconst or wasting space for fixed size buffers).
* crypto: explicitly dual licenseJason A. Donenfeld2018-09-2035-35/+35
| | | | Suggested-by: Thomas Gleixner <tglx@linutronix.de>
* poly1305: account for simd being toggled off midwayJason A. Donenfeld2018-09-203-26/+131
| | | | | | This is a very rare occurance, but we should account for it, so that the calculations aren't wrong. Here we convert from base 2^26 back to base 2^64.
* chacha20: prefer crypto_xor_cpy to avoid memmoveJason A. Donenfeld2018-09-201-5/+3
| | | | Suggested-by: Eric Biggers <ebiggers@kernel.org>
* poly1305: no need to trick gcc 8.1Jason A. Donenfeld2018-09-191-2/+2
| | | | | | | This reverts 37f114a73ba37219b00a66f0a51219a696599745, since gcc 8.2 no longer exhibits that bug. Suggested-by: Eric Biggers <ebiggers@kernel.org>
* blake2s: simplify final functionJason A. Donenfeld2018-09-191-2/+8
| | | | Suggested-by: Eric Biggers <ebiggers@kernel.org>
* poly1305: better module descriptionJason A. Donenfeld2018-09-181-1/+1
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* chacha20: add independent self testJason A. Donenfeld2018-09-182-0/+1188
| | | | | This was already tested from the chacha20poly1305 test, but it's useful to be able to test this in isolation too.
* chacha20poly1305: add __init to selftest helper functionsJason A. Donenfeld2018-09-181-3/+3
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* curve25519-arm: only compile if symbols will be usedJason A. Donenfeld2018-09-181-1/+1
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* chacha20-x86_64: use correct cut off for avx512-vlJason A. Donenfeld2018-09-181-1/+1
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* poly1305-x86_64: show full struct for stateJason A. Donenfeld2018-09-181-5/+7
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* crypto: allow for disabling simd in zinc modulesJason A. Donenfeld2018-09-186-9/+33
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* chacha20-x86_64: more limited cascadeJason A. Donenfeld2018-09-181-5/+4
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