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Digitally sign PDF documents with a 'PKCS#12' keystore and verify their signatures. Signing produces a detached 'PKCS#7' / 'CMS' signature ('adbe.pkcs7.detached') over the document and is applied as an incremental update, so existing signatures remain valid. The cryptography and PDF manipulation are performed by a bundled, pure-'Rust' backend (the 'pdf_signer' crate); no Java runtime, 'OpenSSL', or external command-line tools are required. Visible signature appearances with custom text are supported.
| Version: | 0.2.2 |
| Depends: | R (≥ 4.2) |
| Suggests: | testthat (≥ 3.0.0) |
| Published: | 2026-06-21 |
| DOI: | 10.32614/CRAN.package.pdfsigner |
| Author: | Andre Leite [aut, cre],
Hugo Vasconcelos [aut],
Diogo Bezerra [aut],
Authors of the vendored Rust crates [ctb, cph] (see inst/AUTHORS for
the bundled crates and their licences) pdfsigner author details |
| Maintainer: | Andre Leite <leite at castlab.org> |
| BugReports: | https://github.com/StrategicProjects/pdfsigner/issues |
| License: | GPL-3 |
| Copyright: | The pdfsigner package and its bundled 'pdf_signer' Rust backend are released under GPL-3. The build vendors the source of third-party Rust crates (src/rust/vendor.tar.xz) that remain under the copyright of their respective authors and are licensed under permissive terms (MIT, Apache-2.0, BSD, ISC, Zlib, Unicode-3.0, 0BSD, Unlicense or CDLA-Permissive-2.0); see the inst/AUTHORS file for the full list. |
| URL: | https://github.com/StrategicProjects/pdfsigner |
| NeedsCompilation: | yes |
| SystemRequirements: | Cargo (Rust's package manager), rustc |
| Materials: | README |
| CRAN checks: | pdfsigner results [issues need fixing before 2026-07-06] |
| Reference manual: | pdfsigner.html , pdfsigner.pdf |
| Package source: | pdfsigner_0.2.2.tar.gz |
| Windows binaries: | r-devel: pdfsigner_0.2.2.zip, r-release: pdfsigner_0.2.2.zip, r-oldrel: pdfsigner_0.2.2.zip |
| macOS binaries: | r-release (arm64): pdfsigner_0.2.2.tgz, r-oldrel (arm64): pdfsigner_0.2.2.tgz, r-release (x86_64): pdfsigner_0.2.2.tgz, r-oldrel (x86_64): pdfsigner_0.2.2.tgz |
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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.