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According to the Cipher section of the Standard Algorithm Names document (http://docs.oracle.com/javase/7/docs/technotes/guides/security/StandardNames.html#Cipher), you can specify a padding as OAEPPadding and initialize it with an OAEPParameterSpec for the digest and mgf components. However, this doesn't work with the Oracle SunJCE provider, you get a NoSuchAlgorithmException before you can initialize the Cipher with the OAEPParameterSpec: Exception in thread "main" java.security.NoSuchAlgorithmException: Cannot find any provider supporting RSA/ECB/OAEPPadding at javax.crypto.Cipher.getInstance(Cipher.java:535)
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