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Chiffreur Texte
Chiffrez un message à quelqu'un en utilisant sa clé publique RSA, aucun secret partagé nécessaire. Utilise RSA-OAEP hybride plus AES-256-GCM dans votre navigateur, longueur message illimitée. Génère paires de clés en PEM.
🔒 Cet outil fonctionne entièrement dans votre navigateur. Vos fichiers ne sont jamais envoyés sur un serveur.
Keys are generated and used entirely in your browser using Web Crypto, and nothing is transmitted or stored. Encryption proves nobody else can read the message; it does not prove who sent it, because anyone with the public key can encrypt to it.
How Chiffreur Texte works
- Open Chiffreur Texte and review the example state before entering your own values.
- Enter or select the information needed for Chiffreur Texte.
- Review the result and adjust the inputs if you want to compare another case.
Encrypt a message to someone using their RSA public key, with no shared secret needed. Uses hybrid RSA-OAEP plus AES-256-GCM in your browser, so message length is unlimited and tampering is detected. Generates key pairs as PEM. The interactive workspace runs in your browser, so you can review the result without creating an account.
FAQ
What is Chiffreur Texte used for?
Encrypt a message to someone using their RSA public key, with no shared secret needed. Uses hybrid RSA-OAEP plus AES-256-GCM in your browser, so message length is unlimited and tampering is detected. Generates key pairs as PEM.
Do I need an account?
No. The tool is available directly in the browser without an account or sign-up.
What should I do if the result looks unexpected?
Check the entered values and compare them with the guidance shown in Chiffreur Texte. Use the result as a planning aid and verify important decisions independently.