Csharp/C Sharp/Security/Hash

Verify Hex Hash, Base64 Hash, Byte Hash

<source lang="csharp">

using System; using System.Text; class MainClass {

   public static bool VerifyHexHash(byte[] hash, string oldHashString) {
       StringBuilder newHashString = new StringBuilder(hash.Length);
       foreach (byte b in hash) {
           newHashString.AppendFormat("{0:X2}", b);
       }
       return (oldHashString == newHashString.ToString());
   }
   private static bool VerifyB64Hash(byte[] hash, string oldHashString) {
       string newHashString = Convert.ToBase64String(hash);
       return (oldHashString == newHashString);
   }
   private static bool VerifyByteHash(byte[] hash, byte[] oldHash) {
       if (hash == null || oldHash == null || hash.Length != oldHash.Length)
           return false;
       for (int count = 0; count < hash.Length; count++) {
           if (hash[count] != oldHash[count]) return false;
       }
       return true;
   }

}

</source>