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Java Keytool

Asked by eversor,

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eversor

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I have my problems understanding this little tool. I want to do the following:

1 Server which should function as its own CA (Certificate Authority). So it needs a self signed Certificate.

This server should generate the Certificated for all Clients (2 will suffice at this moment).

Can somebody help me through the process?

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eversor

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So far i got the following batch file. But this way every certificate is self-signed. I want the certificates from alice and bob issued by victor. Any idea how to do it?

echo Creating RSA key pairs for the clients (alice and bob) 
REM alice
keytool -genkey -alias alice -keyalg RSA -dname "CN=alice" -keypass passwd -keystore keystore_alice -storepass passwd -storetype JCEKS

REM bob
keytool -genkey -alias bob -keyalg RSA -dname "CN=bob" -keypass passwd -keystore keystore_bob -storepass passwd -storetype JCEKS

echo copy the client certificates to keystore of server
keytool -export -alias alice -file alice.cer -keystore keystore_alice -storepass passwd -storetype JCEKS
keytool -export -alias bob -file bob.cer -keystore keystore_bob -storepass passwd -storetype JCEKS


keytool -import -noprompt -alias alice -file alice.cer -keystore keystore_victor -storepass passwd -storetype JCEKS
keytool -import -noprompt -alias bob -file bob.cer -keystore keystore_victor -storepass passwd -storetype JCEKS

del alice.cer
del bob.cer

echo Create RSA keys for Server (Victor)
keytool -genkey -alias victor -keyalg RSA -dname "CN=victor" -keypass passwd -keystore keystore_victor -storepass passwd -storetype JCEKS

echo Copy Certificate from Victor to Alice and Bob
keytool -export -alias victor -file victor.cer -keystore keystore_victor -storepass passwd -storetype JCEKS
keytool -import -noprompt -alias victor -file victor.cer -keystore keystore_alice -storepass passwd -storetype JCEKS
keytool -import -noprompt -alias victor -file victor.cer -keystore keystore_bob -storepass passwd -storetype JCEKS

del victor.cer

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