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Re: [Qemu-arm] [PATCH v4 0/4] fw_cfg: Add edk2_add_host_crypto_policy()

From: Laszlo Ersek
Subject: Re: [Qemu-arm] [PATCH v4 0/4] fw_cfg: Add edk2_add_host_crypto_policy()
Date: Wed, 13 Mar 2019 11:44:30 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 03/12/19 23:56, Philippe Mathieu-Daudé wrote:
> Hi,
> This series consists of:
> - add fw_cfg_add_file_from_host()
> - add edk2_add_host_crypto_policy() and the Edk2Crypto object
> The Edk2Crypto object is used to hold configuration values specific
> to EDK2.
> The edk2_add_host_crypto_policy() function loads crypto policies
> from the host, and register them as fw_cfg named file items.
> So far only the 'https' policy is supported.
> A usercase example is the 'HTTPS Boof' feature of OVMF [*].
> Usage example:
> $ qemu-system-x86_64 \
>     --object edk2_crypto,id=https,\
>         ciphers=/etc/crypto-policies/back-ends/openssl.config,\
>         cacerts=/etc/pki/ca-trust/extracted/edk2/cacerts.bin
> (On Fedora these files are provided by the ca-certificates and
> crypto-policies packages).
> [*]: https://github.com/tianocore/edk2/blob/master/OvmfPkg/README
> Since v3:
> - Addressed Markus' comments (do not care about heap)
> Since v2:
> - Split of
> Since v1:
> - Addressed Michael and Laszlo comments.
> Please review,

sorry about seeing this just now. My email load has been extreme, and
the only way I can deal with it is a *strict* FIFO approach. It gives me
unparalleled throughput [*] and acceptable latency, but it does cause me
to respond to out-of-date emails on occasion.

[*] "unparalleled" not by other people, but by other workflows I could

Nevertheless I think my comments under v3 apply just the same here.


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