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asn1js

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asn1js is a pure JavaScript library implementing this standard. ASN.1 is the basis of all X.509 related data structures and numerous other protocols used on the web

4
Versions
BSD-3-Clause
License
No
Install Scripts
Verified
Provenance

Supply chain provenance

Status for the latest visible version.

SLSA provenance attestation npm registry signatures gitHead linked

Maintainers

peculiarventuresmicroshine

Keywords

asn1parserasn.1berdersequencesetbitstringoctetstringutctimeutf8stringbmpstringuniversalstringgeneralizedtime

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
provenance publisher-changed AI (provenance): Transition from individual publisher to GitHub Actions CI/CD with SLSA provenance; this is a security improvement for this established package. ai
publish-pattern dormant-publish AI (publish-pattern): Mature stable ASN.1 library; infrequent publishes are normal. SLSA provenance confirms legitimate CI/CD origin. ai
phantom-deps phantom-dep:tslib AI (phantom-deps): tslib is a declared runtime dependency used by TypeScript-compiled output; the phantom-dep flag is a false positive for this package's build pattern. ai

Versions (showing 4 of 4)

Version Deps Published
3.0.10 3 / 12
3.0.9 3 / 12
3.0.7 3 / 13
3.0.6 3 / 13

v3.0.9

2 findings
HIGH Publisher changed: microshine → GitHub Actions (on 2026-04-20) provenance

This version was published by a different npm account than previous versions on 2026-04-20. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v3.0.6

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.