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由 Herbert Xu 提交于
Currently aesni uses an async ctr(aes) to derive the rfc4106 subkey, which was presumably copied over from the generic rfc4106 code. Over there it's done that way because we already have a ctr(aes) spawn. But it is simply overkill for aesni since we have to go get a ctr(aes) from scratch anyway. This patch simplifies the subkey derivation by using a straight aes cipher instead. Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
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