Function lambda_shield_v2 

pub fn lambda_shield_v2(data: &[u8], seed_hi: u64, seed_lo: u64) -> Vec<u8> 

Symmetric process: Encrypts or Decrypts data using Lemma 3 trajectories. Parameters:

• data: The byte slice to process
• seed_hi: The upper 64 bits of the key
• seed_lo: The lower 64 bits of the key