var Base64 = Java.use('android.util.Base64')
var JHSHanziDatabase_a = Java.use("com.jinghaoshe.ihanzi.data.JHSHanziDatabase$a");
JHSHanziDatabase_a.a.overload('java.lang.String').implementation = function (arg_0) {
    console.log("JHSHanziDatabase_a->a (argType: java.lang.String): " + arg_0);
    var retval = this.a(arg_0)
    console.log('aes_key_base64_encode:', Base64.encodeToString(retval, 2))
    return retval;
}

JHSHanziDatabase_a->a (argType: java.lang.String): dict.shuowenLegacyIndexes
aes_key_base64_encode: Vg5KUHaHs/U/UZK6BdifMFM4OY0mXjeaJwYIbcWD98s=

from Crypto.Cipher import AES
import base64


key = base64.b64decode('Vg5KUHaHs/U/UZK6BdifMFM4OY0mXjeaJwYIbcWD98s=')
iv = b'\x00'*16

crypto = AES.new(key, iv=iv, mode=AES.MODE_CBC)
encrypted_data = open('index6.data', 'rb').read()
decrypted_data = crypto.decrypt(encrypted_data)
with open('index6.out', 'wb') as fo:
    fo.write(decrypted_data)

xjohjrdy var Base64 = Java.use('android.util.Base64') var&nbs ...

我来好好学习 是Frida 框架来动态修改的吗