Closed piyush-kurur closed 4 years ago
There seems to be a draft RFC on it https://tools.ietf.org/html/draft-arciszewski-xchacha-02
Added support for XChaCha20 in 7afb194a2d7e23. XChaCha20 is the default primitive for encrypt and authenticated encrypt in raaz
Libsodium seems to expose a variant, called XChaCha, of chacha20 that uses a larger nounce. Explore whether it makes sense to support this.