// title/commonkeys.rs from rustii-lib (c) 2025 NinjaCheetah & Contributors // https://github.com/NinjaCheetah/rustii const COMMON_KEY: &str = "ebe42a225e8593e448d9c5457381aaf7"; const KOREAN_KEY: &str = "63b82bb4f4614e2e13f2fefbba4c9b7e"; const VWII_KEY: &str = "30bfc76e7c19afbb23163330ced7c28d"; const DEV_COMMON_KEY: &str = "a1604a6a7123b529ae8bec32c816fcaa"; /// Returns the common key for the specified index. Providing Some(true) for the optional argument /// is_dev will make index 0 return the development common key instead of the retail common key. pub fn get_common_key(index: u8, is_dev: bool) -> [u8; 16] { // Match the Korean and vWii keys, and if they don't match then fall back on the common key. // The is_dev argument is an option, and if it's set to false or None, then the regular // common key will be used. let selected_key: &str; match index { 1 => selected_key = KOREAN_KEY, 2 => selected_key = VWII_KEY, _ => { match is_dev { true => selected_key = DEV_COMMON_KEY, false => selected_key = COMMON_KEY, } } } hex::decode(selected_key).unwrap().try_into().unwrap() } #[cfg(test)] mod tests { use super::*; #[test] fn test_get_common_key() { assert_eq!(get_common_key(0, false), [0xeb, 0xe4, 0x2a, 0x22, 0x5e, 0x85, 0x93, 0xe4, 0x48, 0xd9, 0xc5, 0x45, 0x73, 0x81, 0xaa, 0xf7]); } #[test] fn test_get_invalid_index() { assert_eq!(get_common_key(57, false), [0xeb, 0xe4, 0x2a, 0x22, 0x5e, 0x85, 0x93, 0xe4, 0x48, 0xd9, 0xc5, 0x45, 0x73, 0x81, 0xaa, 0xf7]); } #[test] fn test_get_korean_key() { assert_eq!(get_common_key(1, false), [0x63, 0xb8, 0x2b, 0xb4, 0xf4, 0x61, 0x4e, 0x2e, 0x13, 0xf2, 0xfe, 0xfb, 0xba, 0x4c, 0x9b, 0x7e]); } #[test] fn test_get_vwii_key() { assert_eq!(get_common_key(2, false), [0x30, 0xbf, 0xc7, 0x6e, 0x7c, 0x19, 0xaf, 0xbb, 0x23, 0x16, 0x33, 0x30, 0xce, 0xd7, 0xc2, 0x8d]); } #[test] fn test_get_dev_key() { assert_eq!(get_common_key(0, true), [0xa1, 0x60, 0x4a, 0x6a, 0x71, 0x23, 0xb5, 0x29, 0xae, 0x8b, 0xec, 0x32, 0xc8, 0x16, 0xfc, 0xaa]); } }