I was told to add a certificate (.crt format) to the keystore file using keytool command. What option need to be used here, import or -importcert. When is each one used?
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[keytool unix](https://docs.oracle.com/javase/8/docs/technotes/tools/unix/keytool.html)/[keytool windows](https://docs.oracle.com/javase/8/docs/technotes/tools/windows/keytool.html) has no "import" command. – Oleg Estekhin Apr 03 '17 at 15:32
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@OlegEstekhin : both links say "This command was named -import in earlier releases. This old name is still supported in this release. The new name, -importcert, is preferred going forward." – Arnaud Apr 03 '17 at 15:38
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@OlegEstekhin we use JDK 5 – Java Explorer Apr 03 '17 at 15:52
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From this documentation keytool - Key and Certificate Management Tool, the Changes section at the end of the page says :
Renamed commands:
-import, renamed to -importcert
So they basically are the same, and despite being renamed, -import should still exist later :
All previous commands (both renamed and obsolete) are still supported in this release and will continue to be supported in future releases.
Note that this is from the Java SE 7 documentation, but the one from Java SE 8 (unix/windows) also says :
This command was named -import in earlier releases. This old name is still supported in this release. The new name, -importcert, is preferred going forward.
