I have an android app that I am trying to protect using quixxi.com however it requires me to sign the app again. But to do this it has to use .jks files but my keystore is .keystore
I am using Xamarin.Android in C# with Visual Studio 2017
Is there any way around this?
Sign an APK You can include this information in two ways: Specify a KeyStore file using the --ks option. Specify the private key file and certificate file separately using the --key and --cert options, respectively. The private key file must use the PKCS #8 format, and the certificate file must use the X.
Generate an upload key and keystoreIn the Generate Signed Bundle or APK dialog, select Android App Bundle or APK and click Next. Below the field for Key store path, click Create new. On the New Key Store window, provide the following information for your keystore and key, as shown in figure 2.
If you are using a Java keystone to sign your Android apps (Xamarin-based or not) then the odds are 99.999% that the XXX.keystore
that you are using to sign your Xamarin.Android
apps is
already in JKS format and not PKCS12 format.
A quick way of checking is to dump your keystone in RFC format and review the Keystore type:
field.
/usr/bin/keytool -list -rfc -keystore debug.keystore |grep "Keystore type"
Enter keystore password:
***************** WARNING WARNING WARNING *****************
* The integrity of the information stored in your keystore *
* has NOT been verified! In order to verify its integrity, *
* you must provide your keystore password. *
***************** WARNING WARNING WARNING *****************
Keystore type: JKS
Warning:
The JKS keystore uses a proprietary format. It is recommended to migrate to PKCS12 which is an industry standard format using "keytool -importkeystore -srckeystore debug.keystore -destkeystore debug.keystore -deststoretype pkcs12".
/usr/bin/keytool -list -rfc -keystore sushi.keystore
Enter keystore password:
***************** WARNING WARNING WARNING *****************
* The integrity of the information stored in your keystore *
* has NOT been verified! In order to verify its integrity, *
* you must provide your keystore password. *
***************** WARNING WARNING WARNING *****************
Keystore type: JKS
Keystore provider: SUN
Your keystore contains 1 entry
Alias name: androiddebugkey
Creation date: Aug 20, 2017
Entry type: PrivateKeyEntry
Certificate chain length: 1
Certificate[1]:
-----BEGIN CERTIFICATE-----
MIIDDTCCAfWgAwIBAgIEeCTY/jANBgkqhkiG9w0BAQsFADA3MQswCQYDVQQGEwJV
~~~~
KvHIbSHVBsryiyCwPJkXP6A=
-----END CERTIFICATE-----
*******************************************
*******************************************
If you actually need to convert a PKCS12 type store to new JKS keystore type file:
keytool -importkeystore -srckeystore somekeystore.pkcs12 -destkeystore somenewkeystore.jks -deststoretype jks
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