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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>
hifive-unleashed-5.1
Eric Biggers 2019-02-14 00:03:54 -08:00 committed by Herbert Xu
parent e674dbc088
commit fa5fd3afc7
1 changed files with 1 additions and 2 deletions
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3
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 */