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2019-03-22zinc: BLAKE2s x86_64 implementationJason A. Donenfeld3-0/+760
These implementations from Samuel Neves support AVX and AVX-512VL. Originally this used AVX-512F, but Skylake thermal throttling made AVX-512VL more attractive and possible to do with negligable difference. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Co-developed-by: Samuel Neves <sneves@dei.uc.pt> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: x86@kernel.org Cc: Jean-Philippe Aumasson <jeanphilippe.aumasson@gmail.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: kernel-hardening@lists.openwall.com Cc: linux-crypto@vger.kernel.org
2019-03-22zinc: BLAKE2s generic C implementation and selftestJason A. Donenfeld1-0/+295
The C implementation was originally based on Samuel Neves' public domain reference implementation but has since been heavily modified for the kernel. We're able to do compile-time optimizations by moving some scaffolding around the final function into the header file. Information: https://blake2.net/ Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Co-developed-by: Samuel Neves <sneves@dei.uc.pt> Cc: Jean-Philippe Aumasson <jeanphilippe.aumasson@gmail.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: kernel-hardening@lists.openwall.com Cc: linux-crypto@vger.kernel.org