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2024 Oct 09
3
sshd fails when using cryptodev-linux to compute hmac
Hi Damien,
> I don't know anything about cryptodev-linux, but I assume it's an openssl engine?
Cryptodev-linux is a kernel module that provides access to kernel crypto drivers, especially hardware-accelerated crypto, through the /dev/crypto device. Openssl implements an engine which interfaces to it.
> If so it's possible sshd's multiprocess model and/or file descriptor
2024 Oct 09
1
sshd fails when using cryptodev-linux to compute hmac
Hi Peter,
?? 9.10.24 ?. ? 20:31 ?., Peter Rashleigh ??????:
> Hi Damien,
>
>> I don't know anything about cryptodev-linux, but I assume it's an openssl engine?
> Cryptodev-linux is a kernel module that provides access to kernel crypto drivers, especially hardware-accelerated crypto, through the /dev/crypto device. Openssl imp...
2024 Oct 08
1
sshd fails when using cryptodev-linux to compute hmac
...cryptodev session ID, or causes the digest to be cleaned up prematurely. I'd appreciate any feedback or suggestions. I assume that cryptodev should be well-supported and tested, so maybe there's some problem with my configuration. Has anyone got a setup like this working?
Thanks,
--
Peter Rashleigh
Embedded Developer
Quester Tangent
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2024 Oct 08
1
sshd fails when using cryptodev-linux to compute hmac
...while devcrypto is still
depending on it.
I'd suggest turning on LogVerbose=* so you can see which process
(represented by it's PID) is doing what, though that probably won't
be represented in the devcrypto debug messages unless you hack something
similar in.
On Tue, 8 Oct 2024, Peter Rashleigh wrote:
> Hi All,
>
> I'm having an issue where SSH sessions fail if I enable the cryptodev engine for HMAC. I'd like to confirm if this is a supported configuration and if there are any known bugs.
>
> HMAC with the cryptodev engine works fine when using the openssl applic...