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Editorial Team
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Asked: 2026-06-12T20:51:52+00:00

I have created a Keystore using: keytool -genkey -keystore myKeyStore -alias myself and the

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I have created a Keystore using:

keytool -genkey -keystore myKeyStore -alias myself

and the password i have given is in Japanese i.e. “myPasswordは”
I am using the following code to load the keystore file

String KEYSTORE_FILE="C:/myKeyStore";//Path to the keystore file on disk.
PASSWORD="myPasswordは";//Password

KeyStore.getInstance("JKS").load(new FileInputStream(KEYSTORE_FILE),PASSWORD.toCharArray());

The above throws the following exception:
java.io.IOException: Keystore was tampered with, or password was incorrect.

If i create the keystore using an english password and use the same in code then it works fine.

Initially I created the keystore using the command:
keytool -genkey -keystore myKeyStore -alias mks
this will prompt me for the password which i enter as myPasswordは and then i enter the subsequent details. In this case, the code generates the above exception.

The interesting thing is that if i create the keystore using :
keytool -genkey -keystore myKeyStore -alias mks -storepass myPasswordは
then the code that i have given above works fine. I am using linux.

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1 Answer

  1. Editorial Team

    The root cause of this problem is that the keytool utility does not decode a non-ascii password entered at prompt correctly.

    This is a known issue which can be found at https://bugs.java.com/bugdatabase/view_bug;jsessionid=53546691146578386c644cb554976?bug_id=6433238

    So, the solution is to create a keystore with a password not entered at prompt. This can be done in the following way:

    keytool -genkey -keystore myKeyStore -alias myAlias -storepass すてきなパスワード

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