autojs之获取APK当前签名文件的SHA1

importClass("java.security.MessageDigest");
importClass("java.lang.StringBuffer");
importClass("android.content.pm.PackageManager");
importClass("java.util.Locale");
info = context.getPackageManager().getPackageInfo(context.getPackageName(), PackageManager.GET_SIGNATURES);
cert = info.signatures[0].toByteArray();
md = MessageDigest.getInstance("SHA1");
publicKey = md.digest(cert);
hexString = new StringBuffer();
for (let i = 0; i < publicKey.length; i++) {
  appendString = java.lang.Integer.toHexString(0xff & publicKey[i]).toUpperCase(Locale.US);
  if (appendString.length == 1) hexString.append("0");
  hexString.append(appendString);
  hexString.append(":");
}
result = hexString.toString();
r = result.substring(0, result.length - 1);
log(r);