rnp

High-performance C++ OpenPGP library and tools for encryption

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High performance C++ OpenPGP library used by Mozilla Thunderbird

rnprnpkeys

Generate a new RSA keypair$ rnpkeys --generate-key --userid 'John Doe <john@example.com>' --rsa 4096

Encrypt a file with a recipient's public key$ rnp --encrypt --recipient 'john@example.com' --output encrypted.gpg file.txt

Decrypt an encrypted file$ rnp --decrypt --output decrypted.txt encrypted.gpg