XChaCha20 (nonce-extended version of the IETF ChaCha20 variant) stream cipher, reduced to 8 rounds Reduced-rounds versions are faster than the full-round version, but have a lower security margin. However, ChaCha is still believed to have a comfortable security even with only 8 rounds.
pub const XChaCha8IETF = XChaChaIETF(8)
pub const XChaCha8IETF = XChaChaIETF(8)