Dependency upgrade + lib_um_crypto_rust (#78)

Co-authored-by: 鲁树人 <lu.shuren@um-react.app>
Co-committed-by: 鲁树人 <lu.shuren@um-react.app>

src/util/hex.ts

@@ -0,0 +1,15 @@
+export function formatHex(value: number, len = 8) {
+  return '0x' + (value | 0).toString(16).padStart(len, '0');
+}
+
+export function hex(value: Uint8Array): string {
+  return Array.from(value, (byte) => byte.toString(16).padStart(2, '0')).join('');
+}
+
+export function unhex(value: string): Uint8Array {
+  const bytes = [];
+  for (const [byte] of value.matchAll(/[0-9a-fA-F]{2}/g)) {
+    bytes.push(parseInt(byte, 16));
+  }
+  return new Uint8Array(bytes);
+}