c-plus-plus-equals-c-plus-one

Assuming p=71 for all below problems.

1. Find the elements in a finite field that are congruent to the following values:
   1. -1 ≅ 70 (since -1 mod 71 = 70 and 70-(-1) = 71, 71 % 71 == 0;
   2. -4 ≅ 67. 67 - (-4) = 71;
   3. -160 ≅ 53;
   4. 500 ≅ 429.

0xvangrim

    /// PoC: SOURCE=ETH, DEST=Linea, no L1 inclusion → routes to hardcoded Linea ChainSpec branch
    /// This demonstrates the wrong-spec code path without relying on on-chain verification.
    /// It confirms:
    /// - Non-OpStack path (OpEvmInput is None)
    /// - Validators later expect ETH_MAINNET_CHAIN_SPEC for SOURCE=ETH
    /// - The builder else-branch used LINEA_MAINNET_CHAIN_SPEC (hardcoded)
    #[tokio::test]
    async fn test_poc_wrong_chain_spec_eth_non_opstack_no_inclusion() {
        use alloy::transports::http::reqwest::Url;
        use risc0_steel::ethereum::{EthEvmEnv, ETH_MAINNET_CHAIN_SPEC};

ve3

/**
 * Encryption class for encrypt/decrypt that works between programming languages.
 * 
 * @author Vee Winch.
 * @link https://stackoverflow.com/questions/41222162/encrypt-in-php-openssl-and-decrypt-in-javascript-cryptojs Reference.
 * @link https://github.com/brix/crypto-js/releases crypto-js.js can be download from here.
 */
class Encryption {