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Commit f86d17e9 authored by Eric Biggers's avatar Eric Biggers Committed by Herbert Xu
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crypto: arm64/chacha - fix hchacha_block_neon() for big endian 



On big endian arm64 kernels, the xchacha20-neon and xchacha12-neon
self-tests fail because hchacha_block_neon() outputs little endian words
but the C code expects native endianness.  Fix it to output the words in
native endianness (which also makes it match the arm32 version).

Fixes: cc7cf991 ("crypto: arm64/chacha20 - add XChaCha20 support")
Signed-off-by: default avatarEric Biggers <ebiggers@google.com>
Reviewed-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 4b6d196c

arch/arm64/crypto/chacha-neon-core.S

+2 −2
Original line number Diff line number Diff line
@@ -158,8 +158,8 @@ ENTRY(hchacha_block_neon) 
	mov		w3, w2

	bl		chacha_permute



	st1		{v0.16b}, [x1], #16

	st1		{v3.16b}, [x1]

	st1		{v0.4s}, [x1], #16

	st1		{v3.4s}, [x1]



	ldp		x29, x30, [sp], #16

	ret