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POGenerating digital certificate:InvalidKeyException: Illegal key size
 

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  1. POGenerating digital certificate:InvalidKeyException: Illegal key size
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    <p>Writing code to generate digital certificate </p> <p>Here is the piece of code causing problem </p> <pre><code> PBEKeySpec keySpec = new PBEKeySpec(password); SecretKeyFactory keyFactory = SecretKeyFactory .getInstance("PBEWITHMD5ANDTRIPLEDES"/* "PBEWithSHAAndTwofish-CBC" */); SecretKey key = keyFactory.generateSecret(keySpec); PBEParameterSpec paramSpec = new PBEParameterSpec(salt, MD5_ITERATIONS); Cipher cipher = Cipher.getInstance("PBEWITHMD5ANDTRIPLEDES"); cipher.init(Cipher.ENCRYPT_MODE, key, paramSpec);//here Ex. byte[] ciphertext = cipher.doFinal(plaintext); </code></pre> <p>Facing the exception </p> <pre><code>java.security.InvalidKeyException: Illegal key size at javax.crypto.Cipher.checkCryptoPerm(Cipher.java:1023) at javax.crypto.Cipher.implInit(Cipher.java:789) at javax.crypto.Cipher.chooseProvider(Cipher.java:848) at javax.crypto.Cipher.init(Cipher.java:1347) at javax.crypto.Cipher.init(Cipher.java:1281) at chapter4.GenSig.passwordEncrypt(GenSig.java:290) at chapter4.GenSig.generateKeyPair(GenSig.java:92) at chapter4.GenSig.main(GenSig.java:48) </code></pre> <p>As I tried to search on internet with the exception name ,Almost all solution said one solution <strong>(install JCE)</strong> add the below jars in security folder of <code>jre</code> and jdk i'm using</p> <pre><code>local_policy.jar US_export_policy </code></pre> <p>Added those jar's and restarted my machine,Still the same issue and posting.</p> <p>Let me know If you need further details.</p> <p><a href="http://pastebin.com/v3FZpV4g" rel="nofollow"><strong>FULL CODE HERE</strong></a></p> <p>Thanks for your time.</p>
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    1. USꜱᴜʀᴇꜱʜ ᴀᴛᴛᴀ
    1. USꜱᴜʀᴇꜱʜ ᴀᴛᴛᴀ
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      1. VTUpMod
    1. COif password is string you have to use password.toCharArray(). What is the value of MD5_ITERATIONS? Try initializing salt this way. byte[] salt = new byte[8]; Random r = new Random(); r.nextBytes(salt);
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      1. USSatish
    2. COCheck my other 2 suggestions of top comment. Try 1000 for testing instead of MD5_ITERATIONS.
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      1. USSatish
    3. CO@Satish Thanks for looking into this: I shifted to [Java7](http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html) and no error produced but when I'm installing the certificate in broser, It's not asking the given password. Any Ideas??
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      1. USꜱᴜʀᴇꜱʜ ᴀᴛᴛᴀ
 

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