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

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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 <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Eric Biggers authored and Herbert Xu committed 2019-02-22 12:47:27 +08:00
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commit fa5fd3afc7
1 file changed
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arch/arm64/crypto/aes-modes.S
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@@ -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 */