57 lines
2.2 KiB
Rust
57 lines
2.2 KiB
Rust
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//! WASM-bindings — для веба (junona/index.html).
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//! Активна только при сборке с `--features wasm` на target wasm32-unknown-unknown.
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#![cfg(target_arch = "wasm32")]
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#![cfg(feature = "wasm")]
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use wasm_bindgen::prelude::*;
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use mt_crypto::{keypair_from_seed, sign as mldsa_sign, verify as mldsa_verify, PublicKey, SecretKey, Signature};
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use mt_mnemonic::{mldsa_seed_for_role, mnemonic_to_master_seed};
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use mt_state::derive_account_id;
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const MT_SUITE_MLDSA65: u16 = 0x0001;
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#[wasm_bindgen]
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pub fn abi_version() -> u32 {
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super::ABI_VERSION
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}
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#[wasm_bindgen]
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pub fn mnemonic_to_master_seed_js(mnemonic: &str) -> Result<Vec<u8>, JsValue> {
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mnemonic_to_master_seed(mnemonic)
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.map(|s| s.to_vec())
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.map_err(|e| JsValue::from_str(&format!("{e:?}")))
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}
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/// 24 слова → (pubkey 1952, seckey 4032, account_id 32). Возвращает Vec длиной 1952+4032+32=6016.
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#[wasm_bindgen]
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pub fn account_from_mnemonic(mnemonic: &str) -> Result<Vec<u8>, JsValue> {
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let master = mnemonic_to_master_seed(mnemonic)
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.map_err(|e| JsValue::from_str(&format!("mnemonic: {e:?}")))?;
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let acc_seed = mldsa_seed_for_role(&master, mt_codec::domain::ACCOUNT_KEY);
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let (pk, sk) = keypair_from_seed(&acc_seed)
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.map_err(|e| JsValue::from_str(&format!("keygen: {e:?}")))?;
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let account_id = derive_account_id(MT_SUITE_MLDSA65, pk.as_bytes());
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let mut out = Vec::with_capacity(super::MT_MLDSA_PUBKEY_SIZE + super::MT_MLDSA_SECKEY_SIZE + super::MT_ACCOUNT_ID_LEN);
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out.extend_from_slice(pk.as_bytes());
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out.extend_from_slice(sk.as_bytes());
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out.extend_from_slice(&account_id);
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Ok(out)
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}
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#[wasm_bindgen]
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pub fn sign(seckey: &[u8], msg: &[u8]) -> Result<Vec<u8>, JsValue> {
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let sk = SecretKey::from_slice(seckey).ok_or_else(|| JsValue::from_str("bad seckey"))?;
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let sig = mldsa_sign(&sk, msg).map_err(|e| JsValue::from_str(&format!("{e:?}")))?;
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Ok(sig.as_bytes().to_vec())
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}
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#[wasm_bindgen]
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pub fn verify(pubkey: &[u8], msg: &[u8], sig: &[u8]) -> Result<bool, JsValue> {
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let pk = PublicKey::from_slice(pubkey).ok_or_else(|| JsValue::from_str("bad pubkey"))?;
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let s = Signature::from_slice(sig).ok_or_else(|| JsValue::from_str("bad sig"))?;
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Ok(mldsa_verify(&pk, msg, &s))
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}
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