solana_zk_token_sdk::zk_token_elgamal::ops

Function subtract_with_lo_hi

source 
pub fn subtract_with_lo_hi(
    left_ciphertext: &ElGamalCiphertext,
    right_ciphertext_lo: &ElGamalCiphertext,
    right_ciphertext_hi: &ElGamalCiphertext,
) -> Option<ElGamalCiphertext>
Expand description

Compute left_ciphertext - (right_ciphertext_lo + 2^16 * right_ciphertext_hi)