Differential D22365

Add support for including ESN in AES-NI crypto driver
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Authored by jaz_semihalf.com on Nov 14 2019, 12:24 PM.

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mw
wma
jmg
pdk_semihalf.com
jhb
trasz

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secteam
security

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rS366754: Add support for ESN in AES-NI crypto driver

Summary

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.

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Event Timeline

pdk_semihalf.com created this revision.Nov 14 2019, 12:24 PM

Herald added a reviewer: jmg. · View Herald TranscriptNov 14 2019, 12:24 PM

Herald added a subscriber: imp. · View Herald Transcript

trasz resigned from this revision.Jan 14 2020, 2:32 PM

Align to new OCF

jaz_semihalf.com updated this revision to Diff 76980.Sep 13 2020, 5:43 PM

jaz_semihalf.com edited the summary of this revision. (Show Details)

jaz_semihalf.com added a reviewer: jhb.Sep 24 2020, 4:22 PM

jhb added inline comments.Sep 24 2020, 10:17 PM

sys/crypto/aesni/aesni.c
256	I'd probably just leave this spelled out in probesession.
873	Woo, nice it was this easy to add!

jhb accepted this revision.Sep 24 2020, 10:18 PM

jhb added a parent revision: D24838: Prepare crypto framework for IPSec ESN support.

This revision is now accepted and ready to land.Sep 24 2020, 10:18 PM

Closed by commit rS366754: Add support for ESN in AES-NI crypto driver (authored by mw). · Explain WhyOct 16 2020, 11:22 AM

This revision was automatically updated to reflect the committed changes.

mw added a commit: rS366754: Add support for ESN in AES-NI crypto driver.

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Path

Size

sys/

crypto/

aesni/

9 lines

Diff 76980

sys/crypto/aesni/aesni.c

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