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3 Commits

Author SHA1 Message Date
Ard Biesheuvel
e0ba808db7 crypto: arm/chacha-scalar - switch to common rev_l macro 
Drop the local definition of a byte swapping macro and use the common
one instead.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Nicolas Pitre <nico@fluxnic.net>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2021-03-19 21:59:46 +11:00
Ard Biesheuvel
b36d8c09e7 crypto: arm/chacha - remove dependency on generic ChaCha driver 
Instead of falling back to the generic ChaCha skcipher driver for
non-SIMD cases, use a fast scalar implementation for ARM authored
by Eric Biggers. This removes the module dependency on chacha-generic
altogether, which also simplifies things when we expose the ChaCha
library interface from this module.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2019-11-17 09:02:40 +08:00
Ard Biesheuvel
29621d099f crypto: arm/chacha - import Eric Biggers's scalar accelerated ChaCha code 
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2019-11-17 09:02:39 +08:00