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Crypto
WASM
TESTS
This commit is contained in:
Alex Emmet 2026-06-25 22:08:44 +02:00
commit 687e6f9642
49 changed files with 6272 additions and 366 deletions
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51
wasm/src/crypto.rs
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@ -1,9 +1,9 @@
use wasm_bindgen::prelude::*;
use mtp_crypto::{
AeadDecrypt, AeadEncrypt, Ed25519Signer, KemPrivateKey, KemPublicKey, Keyring,
PublicKeyBundle, SignaturePqPrivateKey, SignaturePqPublicKey, SignaturePrivateKey,
SignaturePublicKey, SignatureScheme, ChaCha20Poly1305, sha256, sha256_double,
AeadDecrypt, AeadEncrypt, ChaCha20Poly1305, Ed25519Signer, KemPrivateKey, KemPublicKey,
Keyring, PublicKeyBundle, SignaturePqPrivateKey, SignaturePqPublicKey, SignaturePrivateKey,
SignaturePublicKey, SignatureScheme, sha256, sha256_double,
};
use crate::error::js_error;
@ -28,8 +28,8 @@ impl WasmKeyring {
/// Deserialise a keyring from bytes.
#[wasm_bindgen]
pub fn from_bytes(bytes: &[u8]) -> Result<WasmKeyring, JsValue> {
let inner =
Keyring::from_bytes(bytes).map_err(|e| js_error(&format!("Keyring::from_bytes: {}", e)))?;
let inner = Keyring::from_bytes(bytes)
.map_err(|e| js_error(&format!("Keyring::from_bytes: {}", e)))?;
Ok(Self { inner })
}
@ -217,7 +217,11 @@ pub fn ed25519_generate() -> Result<JsValue, JsValue> {
/// Standalone Ed25519 signature verification.
#[wasm_bindgen]
pub fn ed25519_verify(public_key: Vec<u8>, message: &[u8], signature: &[u8]) -> Result<(), JsValue> {
pub fn ed25519_verify(
public_key: Vec<u8>,
message: &[u8],
signature: &[u8],
) -> Result<(), JsValue> {
let pk = SignaturePublicKey::new(public_key);
mtp_crypto::verify_ed25519(&pk, message, signature)
.map_err(|e| js_error(&format!("verify_ed25519 failed: {}", e)))
@ -245,7 +249,12 @@ pub fn wasm_sha256_double(data: &[u8]) -> Vec<u8> {
/// HKDF-expand: derive `len` bytes from `ikm` with `salt` and `info`.
#[wasm_bindgen]
pub fn wasm_hkdf_expand(ikm: &[u8], salt: &[u8], info: &[u8], len: usize) -> Result<Vec<u8>, JsValue> {
pub fn wasm_hkdf_expand(
ikm: &[u8],
salt: &[u8],
info: &[u8],
len: usize,
) -> Result<Vec<u8>, JsValue> {
mtp_crypto::hkdf_expand(ikm, salt, info, len)
.map_err(|e| js_error(&format!("hkdf_expand failed: {}", e)))
}
@ -416,16 +425,18 @@ mod tests {
fn sha256_empty() {
let result = wasm_sha256(b"");
// SHA-256 of empty string
let expected = hex::decode("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")
.expect("hex decode");
let expected =
hex::decode("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")
.expect("hex decode");
assert_eq!(result, expected);
}
#[wasm_bindgen_test]
fn sha256_hello() {
let result = wasm_sha256(b"hello");
let expected = hex::decode("2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
.expect("hex decode");
let expected =
hex::decode("2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
.expect("hex decode");
assert_eq!(result, expected);
}
@ -443,8 +454,7 @@ mod tests {
#[wasm_bindgen_test]
fn hkdf_expand_produces_correct_length() {
let result = wasm_hkdf_expand(b"ikm", b"salt", b"info", 32)
.expect("hkdf_expand failed");
let result = wasm_hkdf_expand(b"ikm", b"salt", b"info", 32).expect("hkdf_expand failed");
assert_eq!(result.len(), 32);
}
@ -457,22 +467,21 @@ mod tests {
#[wasm_bindgen_test]
fn derive_encryption_key_roundtrip() {
let key = wasm_derive_encryption_key(b"password", b"salt", b"context")
.expect("derive failed");
let key =
wasm_derive_encryption_key(b"password", b"salt", b"context").expect("derive failed");
assert_eq!(key.len(), 32);
// Deterministic: same inputs = same key
let key2 = wasm_derive_encryption_key(b"password", b"salt", b"context")
.expect("derive failed");
let key2 =
wasm_derive_encryption_key(b"password", b"salt", b"context").expect("derive failed");
assert_eq!(key, key2);
}
#[wasm_bindgen_test]
fn derive_encryption_key_different_inputs_different_key() {
let key = wasm_derive_encryption_key(b"pass1", b"salt", b"context")
.expect("derive failed");
let key2 = wasm_derive_encryption_key(b"pass2", b"salt", b"context")
.expect("derive failed");
let key = wasm_derive_encryption_key(b"pass1", b"salt", b"context").expect("derive failed");
let key2 =
wasm_derive_encryption_key(b"pass2", b"salt", b"context").expect("derive failed");
assert_ne!(key, key2);
}
}