Function ursa::cl::helpers::calc_teq

pub fn calc_teq<S: BuildHasher>(
    p_pub_key: &CredentialPrimaryPublicKey, 
    a_prime: &BigNumber, 
    e: &BigNumber, 
    v: &BigNumber, 
    m_tilde: &HashMap<String, BigNumber, S>, 
    m2tilde: &BigNumber, 
    unrevealed_attrs: &HashSet<String, S>
) -> UrsaCryptoResult<BigNumber>