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problem with RSA..... folks please help!

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Hi Friends ,

I am trying to generate RSA keys from the txt files.

But NetBeans wrote:

Exception in thread "main" java.security.spec.InvalidKeySpecException: java.security.InvalidKeyException: IOException: null
at sun.security.rsa.RSAKeyFactory.engineGeneratePublic(RSAKeyFactory.java:188)
at java.security.KeyFactory.generatePublic(KeyFactory.java:304)
at JcaKeyPair.encrypt(JcaKeyPair.java:80)
at JcaKeyPair.main(JcaKeyPair.java:130)
Caused by: java.security.InvalidKeyException: IOException: null
at sun.security.x509.X509Key.decode(X509Key.java:380)
at sun.security.x509.X509Key.decode(X509Key.java:386)
at sun.security.rsa.RSAPublicKeyImpl.<init>(RSAPublicKeyImpl.java:66)
at sun.security.rsa.RSAKeyFactory.generatePublic(RSAKeyFactory.java:281)
at sun.security.rsa.RSAKeyFactory.engineGeneratePublic(RSAKeyFactory.java:184)
... 3 more
Java Result: 1

Please help me, I do not know what to do ;(
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