Java 6
P12 → JKS
/usr/java/1.6/bin/keytool -importkeystore -srckeystore keystore.p12 -srcstoretype PKCS12 -deststoretype JKS -destkeystore keystore.jks
Java 7
JKS → P12
/usr/java/1.7/bin/keytool -importkeystore -srckeystore keystore.jks -srcstoretype JKS -deststoretype PKCS12 -destkeystore keystore.p12
