Java-read-p12 using Bouncycastle

Read certificate details from p12/pfx file

This is the java program to retrieve the certificate details from the p12 file

Before starting ensure you have, your p12 file handy with password as well as you know its alias Once you know all the details place p12 loation at application.properties

Below is the structure of it

p12.keyStoreFile=ZXXXX.p12 p12.keyStorePass=pass p12.keyStoreAllias=alias

Exception

If you file doesn't exists, program will throw FileNotFoundException as below

java.io.FileNotFoundException: ZXXXX.p12 (No such file or directory) at java.io.FileInputStream.open0(Native Method) at java.io.FileInputStream.open(FileInputStream.java:195) at java.io.FileInputStream.(FileInputStream.java:138) at java.io.FileInputStream.(FileInputStream.java:93) at com.ros.read.p12.ReadP12File.readCertificateFromP12File(ReadP12File.java:31) at com.ros.read.p12.ReadP12File.main(ReadP12File.java:18)

If you have wrong password for the p12 below exception is thrown

java.io.IOException: keystore password was incorrect at sun.security.pkcs12.PKCS12KeyStore.engineLoad(PKCS12KeyStore.java:2015) at java.security.KeyStore.load(KeyStore.java:1445) at com.ros.read.p12.ReadP12File.readCertificateFromP12File(ReadP12File.java:32) at com.ros.read.p12.ReadP12File.main(ReadP12File.java:18) Caused by: java.security.UnrecoverableKeyException: failed to decrypt safe contents entry: javax.crypto.BadPaddingException: Given final block not properly padded ... 4 more

Execution

Build the project using maven

1. mvn clean install
2. Jar with dependencies will be created
3. RUN java -jar java-read-p12-1.0-jar-with-dependencies.jar