Tuta Mail adds new quantum-resistant encryption to protect email
ID: 2965feca-96fb-585b-8321-e26a93fa26db
STIX ID: report--2965feca-96fb-585b-8321-e26a93fa26db
Feed Name: Bleeping Computer
Tuta Mail announced TutaCrypt, a hybrid post-quantum email encryption protocol that combines CRYSTALS-Kyber (KEM) with X25519 (ECDH) and uses AES-256/HMAC-SHA-256, Argon2, and HKDF to defend against harvest-now, decrypt-later threats; new accounts receive it immediately and existing users migrate via key rotation, while current limitations include reliance on classical algorithms for authenticity/integrity and potential risks if long-term identity keys are compromised.
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