D:\data>java -jar pepk.jar --keystore=**.keystore --alias=b4a --output=en
crypted_private_key_path --encryptionkey=eb10fe8f7c7c9df715022017b00c6471f8ba817
0b13049a11e6c09ffe3056a104a3bbe4ac5a955f4ba4fe93fc8cef27558a3eb9d2a529a2092761fb
833b656cd48b9de6a
Enter password for store '**.keystore':
Error: Unable to export or encrypt the private key
java.io.IOException: Invalid keystore format
at sun.security.provider.JavaKeyStore.engineLoad(Unknown Source)
at sun.security.provider.JavaKeyStore$JKS.engineLoad(Unknown Source)
at java.security.KeyStore.load(Unknown Source)
at com.google.wireless.android.vending.developer.signing.tools.extern.ex
port.KeystoreHelper.loadKeystore(KeystoreHelper.java:53)
at com.google.wireless.android.vending.developer.signing.tools.extern.ex
port.KeystoreHelper.getKeystore(KeystoreHelper.java:39)
at com.google.wireless.android.vending.developer.signing.tools.extern.ex
port.ExportEncryptedPrivateKeyTool.run(ExportEncryptedPrivateKeyTool.java:165)
at com.google.wireless.android.vending.developer.signing.tools.extern.ex
port.ExportEncryptedPrivateKeyTool.main(ExportEncryptedPrivateKeyTool.java:130)