Search code examples
javaencryptionkeystoreprivate-keypkcs#12

How to get PrivateKey from keystore.pkcs12 file

I am trying to get privateKey from keystore file,

    keyStore.load(KeyStoreinputStream, "keystorepass".toCharArray());

PrivateKey key = (PrivateKey) keyStore.getKey(alias, new char[0]);

new char[0] --> I have not given password for private key at the time of generation.

getting below exception:

java.security.UnrecoverableKeyException: Get Key failed: Given final block not properly padded
    at java.security.KeyStore.getKey(KeyStore.java:792)
Caused by: javax.crypto.BadPaddingException: Given final block not properly padded
    at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:811)
    at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:676)
    at com.sun.crypto.provider.PKCS12PBECipherCore.implDoFinal(PKCS12PBECipherCore.java:355)
Solution

  • new char[0] isn't correct. If there is no key password, use null.