Marcin Wojtas efac54cb2f Add support for ESN in AES-NI crypto driver
This patch adds support for IPsec ESN (Extended Sequence Numbers) in
encrypt and authenticate mode (eg. AES-CBC and SHA256) and combined mode
(eg. AES-GCM).

For the encrypt and authenticate mode the ESN is stored in separate
crp_esn buffer because the high-order 32 bits of the sequence number are
appended after the Next Header (RFC 4303).

For the combined modes the high-order 32 bits of the sequence number
[e.g.  RFC 4106, Chapter 5 AAD Construction] are part of crp_aad
(prepared by netipsec layer in case of ESN support enabled), therefore
non visible diff around combined modes.

Submitted by:           Grzegorz Jaszczyk <jaz@semihalf.com>
                        Patryk Duda <pdk@semihalf.com>
Reviewed by:            jhb
Differential revision:  https://reviews.freebsd.org/D22365
Obtained from:          Semihalf
Sponsored by:           Stormshield
2020-10-16 11:21:56 +00:00
..
2019-02-04 21:28:25 +00:00
2017-09-29 19:56:09 +00:00
2017-09-29 19:56:09 +00:00