https://opensource.com/article/21/10/openpgpjs
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3 new features of the latest OpenPGP.js version
OpenPGP.js is a cryptography library that implements the OpenPGP standard, most commonly used for email encryption. ProtonMail, Mailvelope, and FlowCrypt all use OpenPGP.js, to name a few. That means the OpenPGP.js library encrypts millions of users' messages.
