Error : java.lang.SecurityException: Can not initialize cryptographic mechanism

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During certificate import using InstallCert.Java, I faced this issue. This can cause if you don't have required restriction policy file or the key size is greater than the once deployed by Java by default which is 128 bit. 

This can be solved by downloading the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files from Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files  and copying them in your JRE.

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