decrypBodyStr method
Implementation
String decrypBodyStr(str) {
final key = Key.fromUtf8(genH().substring(0, 32));
final iv = IV.fromUtf8(genH().substring(0, 16));
final encrypter = Encrypter(AES(key, mode: AESMode.cbc, padding: "PKCS7"));
final encrypted = encrypter.decrypt64(str, iv: iv);
return encrypted;
}