SSL Socket Communication Testing Programs

JDK Tutorials - Herong's Tutorial Examples

∟SSL Socket Communication Testing Programs

This chapter provides tutorial notes and example codes on the SSL socket communication. Topics include SSL socket communication test requirements and programs; using trusted key store to fix self-signed certificates issue; using debug option to see SSL communication handshake details.

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SSL Socket Communication Test

SslReverseEchoer.java - SSL Server Socket Example

java.security.UnrecoverableKeyException Error

SslSocketClient.java - SSL Client Socket Example

Making Self-Signed Certificates Trusted

javax.net.debug - Debugging SSL Socket Communication

"java.net.SocketException: Socket is closed" Error

Run SslReverseEchoer.java with EC Certificate

Run SslSocketClient.java with Trusted Certificate Store

Conclusions:

SSL socket communication test requires a self-signed certificate of a public key.
The self-signed certificate must be installed on the client machine as a trusted certificate.
SSL debug option can be used to show SSL communication handshake details for debugging.