Question:You are developing a method to hash data with the Secure Hash Algorithm. The data is passed to your method as a byte array named message. You need to compute the hash of the incoming parameter by using SHA1. You also need to place the result into a byte array named hash. Which code segment should you use? 

A SHA1 sha = new SHA1CryptoServiceProvider();
sha.GetHashCode();
byte[] hash = sha.Hash; 

B SHA1 sha = new SHA1CryptoServiceProvider();
byte[] hash = BitConverter.GetBytes(sha.GetHashCode()); 

C SHA1 sha = new SHA1CryptoServiceProvider();
byte[] hash = sha.ComputeHash(message); 

D SHA1 sha = new SHA1CryptoServiceProvider();
byte[] hash = null;
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sha.TransformBlock(
message, 0, message.Length, hash, 0); 

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