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2017-11-22poly1305: import MIPS64 primitive from OpenSSLJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-11-22chacha20poly1305: import ARM primitives from OpenSSLJason A. Donenfeld
ARMv4-ARMv8, with NEON for ARMv7 and ARMv8. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-11-22chacha20poly1305: import x86_64 primitives from OpenSSLSamuel Neves
x86_64 only at the moment. SSSE3, AVX, AVX2, AVX512. Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-11-14curve25519-neon: compile in thumb modeJason A. Donenfeld
In thumb mode, it's not possible to use sp as an operand of and, so we have to muck around with r3 as a scratch register. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-11-11curve25519: reject deriving from NULL private keysJason A. Donenfeld
These aren't actually valid 25519 points pre-normalization, and doing this is required to make unsetting private keys based on all zeros. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-11-10receive: hoist fpu outside of receive loopJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31curve25519: only enable int128 if compiler support is soundJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31global: style nitsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31qemu: allow for cross compilationJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31crypto/avx: make sure we can actually use ymm registersJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31blake2: include headers for macrosJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17blake2s: modernize API and have faster _finalJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-09crypto/x86_64: satisfy stack validation 2.0Jason A. Donenfeld
We change this to look like the code gcc generates, so as to keep the objtool checker somewhat happy. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-03global: use _WG prefix for include guardsJason A. Donenfeld
Suggested-by: Sultan Alsawaf <sultanxda@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-03global: satisfy bitshift pedantryJason A. Donenfeld
Suggested-by: Sultan Alsawaf <sultanxda@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-02curve25519-neon-arm: force ARM encoding, since this is unrepresentable in ThumbJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-09-16compat: ensure we can build without compat.hJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-08-02blake2s: satisfy sparseJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-07-20blake2s: fix up alignment issuesJason A. Donenfeld
When it's unclear if block is aligned, we just assume unaligned, rather than branching. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-07-20blake2s: move compression loop to assemblySamuel Neves
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-06-25curve25519: keep certain sandy2x functions in CJason A. Donenfeld
We can let the compiler optimize how it sees fit. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-06-24curve25519: satisfy sparse and use short typesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-06-24main: annotate init/exit functions to save memoryJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-06-12random: wait for random bytes when generating nonces and ephemeralsJason A. Donenfeld
We can let userspace configure wireguard interfaces before the RNG is fully initialized, since what we mostly care about is having good randomness for ephemerals and xchacha nonces. By deferring the wait to actually asking for the randomness, we give a lot more opportunity for gathering entropy. This won't cover entropy for hash table secrets or cookie secrets (which rotate anyway), but those have far less catastrophic failure modes, so ensuring good randomness for elliptic curve points and nonces should be sufficient. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-06-01curve25519: use more standard label convention in asmJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-05-31curve25519: add NEON versions for ARMJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-05-31curve25519: align the basepoint to 32 bytesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-05-31curve25519: actually, do some things on heap sometimesJason A. Donenfeld
This reverts commit 42dd5bd87e418275203dd6644b6b6b0cc310d4d9. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-05-30chacha20poly1305: add NEON versions for ARM and ARM64Jason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-05-21chacha20poly1305: move constants to rodataJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-05-17chacha20poly1305: implement vectorized hchacha20Jason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-04-04chacha20poly1305: check return values of sgopsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-03-30chacha20poly1305: enforce authtag checking with compilerJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-03-30curve25519: protect against potential invalid point attacksJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-03-24curve25519: 128-bit integer != x86_64Jason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-03-20curve25519: do dispatcher in C instead of asm, since shlx is haswell onlyJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-03-19curve25519: add AVX implementationJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-03-19blake2s: add AVX implementationJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-02-13compat: backport siphash & dst_cache from mainlineJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-01-15curve25519: do everything on the stackJason A. Donenfeld
With MIPS now supporting a separate IRQ stack, and with these changes being backported into OpenWRT (and likely the stable mainline releases), we no longer need to kmalloc more space for temporary variables. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-01-13Use __read_mostly attribute when possibleJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-01-10Update copyrightJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-26blake2s: cleanupJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-23cookies: use xchacha20poly1305 instead of chacha20poly1305Jason A. Donenfeld
This allows us to precompute the blake2s calls and save cycles, since hchacha is fast. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-16siphash: preserve endian-ness for quick helperJason A. Donenfeld
This fixes errors on big endian machines. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-16siphash: update against upstream submissionJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-12siphash: useless riceJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11crypto: use kernel's bitops functionsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11blake2s: move self tests to correct directoryJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11global: move to consistent use of uN instead of uintN_t for kernel codeJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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