Function cryptoballot::verify_mix

pub fn verify_mix(
    input_ciphertexts: Vec<Ciphertext>, 
    output_ciphertexts: Vec<Ciphertext>, 
    encryption_key: &EncryptionPublicKey, 
    proof: &ShuffleProof, 
    trustee_index: u8, 
    mix_index: u8, 
    contest_index: u32, 
    batch: u32
) -> Result<(), ValidationError>

Verify mixnet shuffle