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Differential D32100

ossl: Add support for ETA mode
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Authored by kd on Sep 24 2021, 11:38 AM.

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jhb
wma
mw
cem

Commits

rGc4026909bdfe: ossl: Add support for ETA mode
rG048a71b46e81: ossl: Add support for ETA mode

Summary

With the support for AES-CBC we can now handle ETA requests.

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Event Timeline

kd requested review of this revision.Sep 24 2021, 11:38 AM

kd created this revision.

kd added a parent revision: D32099: ossl: Add support for AES-CBC cipher.

kd mentioned this in D32099: ossl: Add support for AES-CBC cipher.Oct 30 2021, 1:40 PM

kd updated this revision to Diff 97860.Nov 2 2021, 12:21 PM

jhb accepted this revision.Nov 4 2021, 9:02 PM

jhb added inline comments.

sys/crypto/openssl/ossl.c
176	I don't think ETA makes sense for CHACHA20. I would perhaps require `sc->has_aes` as the only likely candidates for ETA use (AES-CBC, AES-CTR, and AES-XTS) will all need `has_aes`

This revision is now accepted and ready to land.Nov 4 2021, 9:02 PM

Don't allow for creating ETA sessions witch CHACHA20 used as a cipher.

This revision now requires review to proceed.Nov 5 2021, 8:52 AM

kd added inline comments.Nov 5 2021, 8:53 AM

sys/crypto/openssl/ossl.c
176	Good point. Since we have AEAD of CHACH20+POLY1305 you're right that it doesn't make sense to try to use it for ETA. I inverted part of this logic instead, checking just for `sc->has_aes` here would still allow someone to create an ETA session with CHACHA20 as the cipher.

jhb accepted this revision.Nov 5 2021, 5:01 PM

This revision is now accepted and ready to land.Nov 5 2021, 5:01 PM

Closed by commit rG048a71b46e81: ossl: Add support for ETA mode (authored by kd, committed by wma). · Explain WhyNov 6 2021, 8:12 AM

This revision was automatically updated to reflect the committed changes.

wma added a commit: rG048a71b46e81: ossl: Add support for ETA mode.

Herald added a subscriber: imp. · View Herald TranscriptNov 6 2021, 8:12 AM

wma added a reverting change: rG0dedcdaa1a02: Revert "ossl: Add support for ETA mode".Nov 6 2021, 4:46 PM

wma added a commit: rGc4026909bdfe: ossl: Add support for ETA mode.Nov 8 2021, 9:54 AM

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sys/

crypto/

openssl/

33 lines

Diff 98054

sys/crypto/openssl/ossl.c

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