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An offline verifier for verifiable credentials and delegation chains issued by the Attestix Python core. Verifies Ed25519 (RFC 8032) signatures over W3C Verifiable Credentials, decodes Ed25519 'did:key' identifiers, and verifies UCAN delegation chains (EdDSA 'JWT's) including capability attenuation, with no Python runtime required. Reproduces the Attestix JCS-style JSON canonical form (a practical subset of RFC 8785 that additionally applies 'NFC' Unicode normalization) byte-for-byte so that signatures produced by the reference implementation verify here. Useful for compliance, research and biostatistics users who work in R and need to check AI-agent compliance credentials. See <https://attestix.io> for the project and <https://attestix.io/spec/bundle/v1> for the bundle wire format.
| Version: | 0.4.1 |
| Depends: | R (≥ 4.0.0) |
| Imports: | sodium, openssl, stringi |
| Suggests: | jsonlite, testthat (≥ 3.0.0) |
| Published: | 2026-07-04 |
| DOI: | 10.32614/CRAN.package.attestix (may not be active yet) |
| Author: | Pavan Kumar Dubasi [aut, cre], VibeTensor [cph, fnd] |
| Maintainer: | Pavan Kumar Dubasi <info at vibetensor.com> |
| BugReports: | https://github.com/VibeTensor/attestix-r/issues |
| License: | Apache License (≥ 2) |
| URL: | https://github.com/VibeTensor/attestix-r, https://attestix.io |
| NeedsCompilation: | no |
| Materials: | README |
| CRAN checks: | attestix results |
| Reference manual: | attestix.html , attestix.pdf |
| Package source: | attestix_0.4.1.tar.gz |
| Windows binaries: | r-devel: not available, r-release: not available, r-oldrel: not available |
| macOS binaries: | r-release (arm64): attestix_0.4.1.tgz, r-oldrel (arm64): attestix_0.4.1.tgz, r-release (x86_64): attestix_0.4.1.tgz, r-oldrel (x86_64): attestix_0.4.1.tgz |
Please use the canonical form https://CRAN.R-project.org/package=attestix to link to this page.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.