java - How can I find verify the encryption strength of my JDK security Providers? -


i have little program prints out of supported providers in jdk installation wondering if knows how can change program print out "strength" of each of providers?

import java.security.provider;  import java.security.security;   public class securitylistings  {    public static void main(string[] args)    {      (provider provider : security.getproviders())      {        system.out.println("provider: " + provider.getname());        (provider.service service : provider.getservices())        {          system.out.println(" algorithm: " + service.getalgorithm());        }      }    }  }

cipher.getmaxallowedkeylength()

pass in transformation , return highest allowed key.

here easy check

public bool isunlimitedkeystrength() {     return cipher.getmaxallowedkeylength("aes") == integer.max_value; }

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