gitsign
slsa
gitsign | slsa | |
---|---|---|
10 | 35 | |
899 | 1,424 | |
0.7% | 1.9% | |
9.1 | 8.5 | |
3 days ago | 3 days ago | |
Go | Shell | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
gitsign
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Gittuf – a security layer for Git using some concepts introduced by TUF
> does it also filter/escape ANSI Sequences in messages and author names?
Not at present! Do you have a link or so I could use to familiarize myself? I'm curious if it'd fall within gittuf's scope.
> does it block garbage collection?
Nope, it doesn't. That said, the repository will have more objects, gittuf tracks additional objects through custom refs in `refs/gittuf/`.
> how do you ensure that the developers are really the developers and there's no spoofing?
At present, gittuf policies use signing keys. It doesn't rely on the commit metadata for author and committer but rather the commit's signature. We support GPG and Sigstore's gitsign [0] right now, and we want to support other signing mechanisms like SSH keys as well.
[0] https://github.com/sigstore/gitsign
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Signing Git Commits with Your SSH Key
You may want to check out https://github.com/sigstore/gitsign! You can generate ephemeral x509 code signing certs for free using Sigstore.
(disclosure: I'm a maintainer for gitsign)
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A toolbox for a secure software supply chain
Def check out the gitsign project mentioned in the post: https://github.com/sigstore/gitsign
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Enable Gitsign Today and Start Signing your Commits
Gitsign offers a keyless commit signing implementation based on OIDC, which is an identity layer built on top of the OAuth 2.0 framework. Gitsign supports verifying your identity either through GitHub, Microsoft, or a Google account.
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SSH commit verification now supported
Shameless plug for the gitsign project in sigstore: https://github.com/sigstore/gitsign
This isn't supported by GitHub yet but we're hopefully working towards that too.
- sigstore/gitsign: Keyless Git signing using Sigstore
- Keyless Git signing with Sigstore!
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Gitsign
We used to actually run an RFC3161 timestamp server in addition to the transparency log but recently turned it down because no one was using it. I'd like to bring it back for stuff like this.
https://github.com/sigstore/gitsign/issues/22
slsa
- SLSA – Supply-Chain Levels for Software Artifacts
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Dogbolt Decompiler Explorer
Short answer: not where it counts.
My work focuses on recognizing known functions in obfuscated binaries, but there are some papers you might want to check out related to deobfuscation, if not necessarily using ML for deobfuscation or decompilation.
My take is that ML can soundly defeat the "easy" and more static obfuscation types (encodings, control flow flattening, splitting functions). It's low hanging fruit, and it's what I worked on most, but adoption is slow. On the other hand, "hard" obfuscations like virtualized functions or programs which embed JIT compilers to obfuscate at runtime... as far as I know, those are still unsolved problems.
This is a good overview of the subject, but pretty old and doesn't cover "hard" obfuscations: https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=1566145.
https://www.jinyier.me/papers/DATE19_Obf.pdf uses deobfuscation for RTL logic (FGPA/ASIC domain) with SAT solvers. Might be useful for a point of view from a fairly different domain.
https://advising.cs.arizona.edu/~debray/Publications/generic... uses "semantics-preserving transformations" to shed obfuscation. I think this approach is the way to go, especially when combined with dynamic/symbolic analysis to mitigate virt/jit types of transformations.
I'll mention this one as a cautionary tale: https://dl.acm.org/doi/pdf/10.1145/2886012 has some good general info but glosses over the machine learning approach. It considers Hex-rays' FLIRT to be "machine learning", but FLIRT just hashes signatures, can be spoofed (i.e. https://siliconpr0n.org/uv/issues_with_flirt_aware_malware.p...), and is useless against obfuscation.
Eventually I think SBOM tools like Black Duck[1] and SLSA[2] will incorporate ML to improve the accuracy of even figuring out what dependencies a piece of software actually has.
[1]: https://www.synopsys.com/software-integrity/software-composi...
[2]: https://slsa.dev/
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10 reasons you should quit your HTTP client
The dependency chain is certified! SLSA!
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UEFI Software Bill of Materials Proposal
The things you mentioned are not solved by a typical "SBOM" but e.g. CycloneDX has extra fields to record provenance and pedigree and things like in-toto (https://in-toto.io/) or SLSA (https://slsa.dev/) also aim to work in this field.
I've spent the last six months in this field and people will tell you that this or that is an industry best practice or "a standard" but in my experience none of that is true. Everyone is still trying to figure out how best to protect the software supply chain security and things are still very much in flux.
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Gittuf – a security layer for Git using some concepts introduced by TUF
It's multi-pronged and I imagine adopters may use a subset of features. Broadly, I think folks are going to be interested in a) branch/tag/reference protection rules, b) file protection rules (monorepo or otherwise, though monorepos do pose a very apt usecase for gittuf), and c) general key management for those who primarily care about Git signing.
For those who care about a and b, I think the work we want to do to support [in-toto attestations](https://github.com/in-toto/attestation) for [SLSA's upcoming source track](https://github.com/slsa-framework/slsa/issues/956) could be very interesting as well.
- SLSA • Supply-Chain Levels for Software Artifacts
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Password-stealing Linux malware served for 3 years and no one noticed
It doesn't have to be. Corporations which are FedRAMP[1] compliant, have to build software reproducibly in a fully isolated environment, only from reviewed code.[2]
[1] https://en.wikipedia.org/wiki/FedRAMP
[2] https://slsa.dev/
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OSCM: The Open Source Consumption Manifesto
SLSA stands for Supply chain Levels for Software Artifacts, and it is a framework that aims to provide a set of best practices for the software supply chain, with a focus on OSS. It was created by Google, and it is now part of the OpenSSF. It consists of four levels of assurance, from Level 1 to Level 4, that correspond to different degrees of protection against supply chain attacks. Our CTO Paolo Mainardi mentioned SLSA in a very good article on software supply chain security, and we also mentioned it in another article about securing OCI Artifacts on Kubernetes.
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CLOUD SECURITY PODCAST BY GOOGLE - EP116 SBOMs: A Step Towards a More Secure Software Supply Chain -
SLSA.dev
- Supply Chain Levels for Software Artifacts (SLSA)
What are some alternatives?
smimesign - An S/MIME signing utility for use with Git
ClojureDart - Clojure dialect for Flutter and Dart
git-ts - Git TimeStamp Utility
grype - A vulnerability scanner for container images and filesystems
github - Just a place to track issues and feature requests that I have for github
DependencyCheck - OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.
SignTools - ✒ A free, self-hosted platform to sideload iOS apps without a computer
sig-security - 🔐CNCF Security Technical Advisory Group -- secure access, policy control, privacy, auditing, explainability and more!
community - Public feedback discussions for: GitHub Mobile, GitHub Discussions, GitHub Codespaces, GitHub Sponsors, GitHub Issues and more!
trivy - Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more
cargo-vet - supply-chain security for Rust
checkov - Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.