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Linux kernel hacker and maintainer etc.

OpenPGP: 3AB05486C7752FE1

Jarkko Sakkinen

Still my #TUI file manager of choice after all these years.
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Jarkko Sakkinen

Edited 1 year ago

Closed my tpm-rs bug because I do not want to contribute to that project: https://github.com/tpm-rs/tpm-rs/issues/71#issuecomment-2171360982

Why? I think mine is better or will grow so much better than this. It is more idiomatic #Rust, and generally less layered and more lean and mean ;-)

I will review merge requests for mine tho, on the basis of common sense and code quality tho: https://gitlab.com/jarkkojs/tpm2_library/-/issues

#linux #kernel #tpm2 #rustlang

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Jarkko Sakkinen

put some #feedback about size units to a #fedora #magazine #article ;-)
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Jarkko Sakkinen

https://crates.io/crates/tpm2_cli 0.3.0, 634 downloads after 48h of starting of development.
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Jarkko Sakkinen

TPM2 command encoding with #bincode and #serde:

            let options = DefaultOptions::new()
                .with_fixint_encoding()
                .with_big_endian();
            buf.extend(&options.serialize(&(Tag::NoSessions as u16)).unwrap());
            buf.extend(&options.serialize(&22_u32).unwrap());
            buf.extend(
                &options
                    .serialize(&(CommandCode::GetCapability as u32))
                    .unwrap(),
            );
            buf.extend(&options.serialize(&(Capability::Handles as u32)).unwrap());
            buf.extend(&options.serialize(&HR_PERSISTENT).unwrap());
            buf.extend(&options.serialize(&1_u32).unwrap());

#rust #rustlang

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Well, these authors cut right to the chase in this paper!






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Jarkko Sakkinen

Edited 1 year ago

Just noticed that #aerc has native support for #zoxide: see :z. #email

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Jarkko Sakkinen

Would make porting all sorts of old protocol stacks to #Rust so much easier if the enum fields could have aliased names. #rustlang
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Jarkko Sakkinen

I'm looking into repealing and replacing the error type with this with the error type from my lab project: https://github.com/tpm-rs/tpm-rs/issues/71

#tpm #tpmrs #rust #rustlang
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Jarkko Sakkinen

Language Server Protocol really would need a competitor with a #plugin based architecture.

Then editor and analyzer could have:

1. A better memory and caching strategy.
2. Both faster performance and lower operation latency.

#LSP is IMHO is exactly like the worst ideas of lrzsz modified to work as a language analyzer.
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Jarkko Sakkinen

#telescope is awesome with the #kernel tree #neovim
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Fabio Alessandro "Fale" Locati

The work on #bootc Is coming along very nice! This morning keynote by @cgwalters, Dan Walsh, and Stef Walter was very nice to see the current state of it in #Fedora and CentOS Stream. #devconf_cz

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Jarkko Sakkinen

#neovim in #fedora 40 does this when opening a #lua file:

Error detected while processing BufReadPost Autocommands for "*":
Error executing lua callback: /usr/share/nvim/runtime/filetype.lua:35: Error executing lua: /usr/share/nvim/runtime/filetype.lua:36:
 BufReadPost Autocommands for "*"..FileType Autocommands for "*"..function <SNR>1_LoadFTPlugin[20]..script /usr/share/nvim/runtime/f
tplugin/lua.lua: Vim(runtime):E5113: Error while calling lua chunk: /usr/share/nvim/runtime/lua/vim/treesitter/language.lua:107: no
parser for 'lua' language, see :help treesitter-parsers
stack traceback:
        [C]: in function 'error'
        /usr/share/nvim/runtime/lua/vim/treesitter/language.lua:107: in function 'add'
        /usr/share/nvim/runtime/lua/vim/treesitter/languagetree.lua:111: in function 'new'
        /usr/share/nvim/runtime/lua/vim/treesitter.lua:41: in function '_create_parser'
        /usr/share/nvim/runtime/lua/vim/treesitter.lua:108: in function 'get_parser'
        /usr/share/nvim/runtime/lua/vim/treesitter.lua:416: in function 'start'
        /usr/share/nvim/runtime/ftplugin/lua.lua:2: in main chunk
        [C]: in function 'nvim_cmd'
        /usr/share/nvim/runtime/filetype.lua:36: in function </usr/share/nvim/runtime/filetype.lua:35>
        [C]: in function 'nvim_buf_call'
        /usr/share/nvim/runtime/filetype.lua:35: in function </usr/share/nvim/runtime/filetype.lua:10>
stack traceback:
        [C]: in function 'nvim_cmd'
        /usr/share/nvim/runtime/filetype.lua:36: in function </usr/share/nvim/runtime/filetype.lua:35>
        [C]: in function 'nvim_buf_call'
        /usr/share/nvim/runtime/filetype.lua:35: in function </usr/share/nvim/runtime/filetype.lua:10>
stack traceback:
        [C]: in function 'nvim_buf_call'
        /usr/share/nvim/runtime/filetype.lua:35: in function </usr/share/nvim/runtime/filetype.lua:10>
Press ENTER or type command to continue
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Jarkko Sakkinen

When cargo publish -p tpm2_cli , I need to

tpm2_call = "0.1.1"

… while building locally:

tpm2_call = { path = "../tpm2_call" }

How to sort this out in “idiomatic manner”?

#rust #rustlang

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Jarkko Sakkinen

Edited 1 year ago

A crate for #TPM 2.0 library protocol, or beginnings of it: https://gitlab.com/jarkkojs/tpm2_library/

Sub-crates:

  1. tpm2_call for TPM 2.0 library protocol shenanigans.
  2. tpm2_cli for a command-line interfaces.

Development process:

I aim to do cli first as Linux tied but it could also have e.g. Windows backend. tpm2_call will be portable between operating systems.

#TPM2 #Rust #rustlang

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Jarkko Sakkinen

Not really a real project. I've been ad-hoc scripting with #python since 2005, and wanted to learn how to "devops" a properly pipeline at #gitlab, with a release ending to the #pypi: https://pypi.org/project/eth0/

PS. I deleted 0.1.0 tag and release from pypi, because the tag was not signed ;-) you could never trust it...
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Jarkko Sakkinen

Edited 1 year ago

So for my TPM2 crate I was thinking to rename the project Git as tpm2_library and have sub-crates tpm2_call for protoco and tpm2_cli with a sub-command tpm2cli rc.

Is it acceptable to name for consistency sake the sub-crate directory as tpm2_cli but generate an executable as tpm2cli?

Root project’s name inherits from https://trustedcomputinggroup.org/resource/tpm-library-specification/

#Rust #rustlang #TPM2

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Jarkko Sakkinen

Edited 1 year ago

I initiated my own #TPM2 #Rust crate partly because the output given by tpm2_rc_decode does not give back the mnemonic of a return code.

Here’s the example from its man page:

tpm2_rc_decode 0x1d5
tpm:parameter(1):structure is the wrong size

So I wrote my return code decoder, and here’s how it works with the previous example:

target/debug/examples/tpm2rc 0x1d5
TPM_RC_SIZE

The Git-repository is available here: https://gitlab.com/jarkkojs/tpm2_call

I’m not going to add any code this crate dealing with /dev/tpm0. Instead the plan is to implement command buffer builder and parser with similar high-level ideas as I’ve done in the #Linux #kernel.

#rustlang

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Edited 1 year ago

📣 Only 2 days (today and tomorrow) left to get your talk proposals in for the All Systems Go! 2024 CFP.
The clock ⏲️ is ticking!
🏃‍♂️ Hurry over to get yours in: https://cfp.all-systems-go.io/all-systems-go-2024/cfp

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