Commit fa5fd3af authored Feb 14, 2019 by Eric Biggers Committed by Herbert Xu Feb 22, 2019

crypto: arm64/aes-blk - update IV after partial final CTR block



Make the arm64 ctr-aes-neon and ctr-aes-ce algorithms update the IV
buffer to contain the next counter after processing a partial final
block, rather than leave it as the last counter.  This makes these
algorithms pass the updated AES-CTR tests.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent e674dbc0

arch/arm64/crypto/aes-modes.S

+1 −2

Original line number	Diff line number	Diff line
		@@ -320,8 +320,7 @@ AES_ENTRY(aes_ctr_encrypt)

		.Lctrtailblock:
		st1 {v0.16b}, [x0]
		ldp x29, x30, [sp], #16
		ret
		b .Lctrout

		.Lctrcarry:
		umov x7, v4.d[0] /* load upper word of ctr */

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