Csharp/C Sharp/Security/Hash

Verify Hex Hash, Base64 Hash, Byte Hash

 

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;
    }
}