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[Security](/categories/security) 4. / 5. singpolyma/openpgp-php ActiveLibrary[Security](/categories/security) singpolyma/openpgp-php ====================== Pure-PHP implementation of the OpenPGP Message Format (RFC 4880) 0.7.0(1y ago)184795.6k↑15%68[13 issues](https://github.com/singpolyma/openpgp-php/issues)[1 PRs](https://github.com/singpolyma/openpgp-php/pulls)7UnlicensePHPPHP ^5.6 || ^7.0 || ^8.0 Since Aug 14Pushed 9mo ago20 watchersCompare [ Source](https://github.com/singpolyma/openpgp-php)[ Packagist](https://packagist.org/packages/singpolyma/openpgp-php)[ GitHub Sponsors](https://github.com/singpolyma)[ Fund](https://liberapay.com/singpolyma)[ RSS](/packages/singpolyma-openpgp-php/feed)WikiDiscussions master Synced 1mo ago READMEChangelog (6)Dependencies (2)Versions (9)Used By (7) [![Build Status](https://camo.githubusercontent.com/47b9fed229503dc106d6258e5095fe80a73c1e64f92f536b9f959c535865d087/68747470733a2f2f7472617669732d63692e6f72672f73696e67706f6c796d612f6f70656e7067702d7068702e7376673f6272616e63683d6d6173746572)](https://travis-ci.org/singpolyma/openpgp-php) OpenPGP.php: OpenPGP for PHP ============================ [](#openpgpphp-openpgp-for-php) This is a pure-PHP implementation of the OpenPGP Message Format (RFC 4880). - About OpenPGP ------------- [](#about-openpgp) OpenPGP is the most widely-used e-mail encryption standard in the world. It is defined by the OpenPGP Working Group of the Internet Engineering Task Force (IETF) Proposed Standard RFC 4880. The OpenPGP standard was originally derived from PGP (Pretty Good Privacy), first created by Phil Zimmermann in 1991. - - Features -------- [](#features) - Encodes and decodes ASCII-armored OpenPGP messages. - Parses OpenPGP messages into their constituent packets. - Supports both old-format (PGP 2.6.x) and new-format (RFC 4880) packets. - Helper class for verifying, signing, encrypting, and decrypting messages - Helper class for encrypting and decrypting messages and keys using - openssl or mcrypt required for CAST5 encryption and decryption Bugs, Feature Requests, Patches ------------------------------- [](#bugs-feature-requests-patches) This project is primarily maintained by a single volunteer with many other things vying for their attention, please be patient. Bugs, feature request, pull requests, patches, and general discussion may be submitted publicly via email to: Github users may alternately submit on the web there. Users ----- [](#users) OpenPGP.php is currently being used in the following projects: - - [Passbolt API](https://github.com/passbolt/passbolt_api) Download -------- [](#download) To get a local working copy of the development repository, do: ``` git clone https://github.com/singpolyma/openpgp-php.git ``` Alternatively, you can download the latest development version as a tarball as follows: ``` wget https://github.com/singpolyma/openpgp-php/tarball/master ``` Authors ------- [](#authors) - [Arto Bendiken](mailto:arto.bendiken@gmail.com) (Original author) - - [Stephen Paul Weber](mailto:singpolyma@singpolyma.net) (Maintainer) - License ------- [](#license) OpenPGP.php is free and unencumbered public domain software. For more information, see or the accompanying UNLICENSE file. ### Health Score 53 — FairBetter than 97% of packages Maintenance46 Moderate activity, may be stable Popularity58 Moderate usage in the ecosystem Community37 Small or concentrated contributor base Maturity63 Established project with proven stability Bus Factor1 Top contributor holds 81.1% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~657 days Recently: every ~669 days Total 6 Last Release 644d ago PHP version history (2 changes)0.4.0PHP ^5.6 || ^7.0 0.5.0PHP ^5.6 || ^7.0 || ^8.0 ### Community Maintainers ![](https://www.gravatar.com/avatar/344fb672b0edad0879916eef19e11c2e5d7a12d2157217ad002cad81f4b8e8b3?d=identicon)[singpolyma](/maintainers/singpolyma) --- Top Contributors [![singpolyma](https://avatars.githubusercontent.com/u/12770?v=4)](https://github.com/singpolyma "singpolyma (193 commits)")[![vstm](https://avatars.githubusercontent.com/u/1871866?v=4)](https://github.com/vstm "vstm (7 commits)")[![Rotzbua](https://avatars.githubusercontent.com/u/7337347?v=4)](https://github.com/Rotzbua "Rotzbua (6 commits)")[![adecaneda](https://avatars.githubusercontent.com/u/7860942?v=4)](https://github.com/adecaneda "adecaneda (4 commits)")[![jstanden](https://avatars.githubusercontent.com/u/63288?v=4)](https://github.com/jstanden "jstanden (4 commits)")[![stripthis](https://avatars.githubusercontent.com/u/77410?v=4)](https://github.com/stripthis "stripthis (3 commits)")[![DanielRuf](https://avatars.githubusercontent.com/u/827205?v=4)](https://github.com/DanielRuf "DanielRuf (3 commits)")[![artob](https://avatars.githubusercontent.com/u/4963?v=4)](https://github.com/artob "artob (3 commits)")[![allan-simon](https://avatars.githubusercontent.com/u/213167?v=4)](https://github.com/allan-simon "allan-simon (2 commits)")[![ottoszika](https://avatars.githubusercontent.com/u/7945963?v=4)](https://github.com/ottoszika "ottoszika (2 commits)")[![fabacab](https://avatars.githubusercontent.com/u/18677?v=4)](https://github.com/fabacab "fabacab (2 commits)")[![ishanvyas22](https://avatars.githubusercontent.com/u/17404636?v=4)](https://github.com/ishanvyas22 "ishanvyas22 (2 commits)")[![divine](https://avatars.githubusercontent.com/u/48183131?v=4)](https://github.com/divine "divine (1 commits)")[![pabloelcolombiano](https://avatars.githubusercontent.com/u/23249541?v=4)](https://github.com/pabloelcolombiano "pabloelcolombiano (1 commits)")[![cedricalfonsi](https://avatars.githubusercontent.com/u/1582917?v=4)](https://github.com/cedricalfonsi "cedricalfonsi (1 commits)")[![sandeepscet](https://avatars.githubusercontent.com/u/1390862?v=4)](https://github.com/sandeepscet "sandeepscet (1 commits)")[![Maikuolan](https://avatars.githubusercontent.com/u/12571108?v=4)](https://github.com/Maikuolan "Maikuolan (1 commits)")[![jasekiw](https://avatars.githubusercontent.com/u/4037224?v=4)](https://github.com/jasekiw "jasekiw (1 commits)")[![hoffstadt](https://avatars.githubusercontent.com/u/39973752?v=4)](https://github.com/hoffstadt "hoffstadt (1 commits)") --- Tags cryptographyopenpgppgpphp ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/singpolyma-openpgp-php/health.svg) ``` [![Health](https://phpackages.com/badges/singpolyma-openpgp-php/health.svg)](https://phpackages.com/packages/singpolyma-openpgp-php) ``` ### Alternatives [payu/apple-pay ApplePay Token Decoder 51983.2k](/packages/payu-apple-pay)[mlocati/ocsp Library to query HTTPS Certificates revocation status using the Online Certificate Status Protocol (OCSP) 40754.7k2](/packages/mlocati-ocsp)[spatie/ssl-certificate-chain-resolver SSL certificate chain resolver 3069.6k](/packages/spatie-ssl-certificate-chain-resolver)[camcima/dukpt-php DUKPT implementation in PHP 25153.1k](/packages/camcima-dukpt-php) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)