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svn:author
V 3
jhb
K 8
svn:date
V 27
2018-02-22T00:53:05.276711Z
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V 515
MFC 323889: Place the AAD before the plaintext/ciphertext for CIOCRYPTAEAD.

Software crypto implementations don't care how the buffer is laid out,
but hardware implementations may assume that the AAD is always before
the plain/cipher text and that the hash/tag is immediately after the end
of the plain/cipher text.

In particular, this arrangement matches the layout of both IPSec packets
and TLS frames.  Linux's crypto framework also assumes this layout for
AEAD requests.

Sponsored by:	Chelsio Communications

END