Sign and SignVerify Data using an RSA Key

To Sign and SignVerify data using an RSA key:

1. Create a NAE Session. Pass the NAE username, password, property file path as arguments.

   NaeSession session = new NaeSession(user, passwd, propFilePath);

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2. Create NaeRsaKey object. Pass NaeSession object and keyname as argument.

   NaeRsaKey rsaKey = new NaeRsaKey(session,keyName);

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3. Set the Hash algorithm.

   HashAlgorithmName algorithm = HashAlgorithmName.SHA256;

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4. Call the SignData API and pass input bytes, hashing algorithm name, and RSASignaturePadding as arguments to get the signed bytes.

   byte[] outBytes = rsaKey.SignData(inputBytes, algorithm, padding);

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5. Call the VerifyData API. Pass the signed bytes, input bytes,algorithm name, and RSASignaturePadding as arguments for the verification of signed data.

   bool result = rsaKey.VerifyData(inputBytes, outBytes, algorithm, padding);

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