MD5.cs
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using System.Text;
namespace GenXdev.Security { public static class MD5 { public static string CalculateMD5Hash(string input) { // step 1, calculate MD5 hash from input byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(input); byte[] hash = System.Security.Cryptography.MD5.HashData(inputBytes); // step 2, convert byte array to hex string StringBuilder sb = new StringBuilder(); for (int i = 0; i < hash.Length; i++) { sb.Append(hash[i].ToString("X2")); } return sb.ToString().ToLower(); } public static string CalculateMD5Hash(Stream s) { // step 1, calculate MD5 hash from input var md5 = System.Security.Cryptography.MD5.Create(); byte[] hash = md5.ComputeHash(s); // step 2, convert byte array to hex string StringBuilder sb = new StringBuilder(); for (int i = 0; i < hash.Length; i++) { sb.Append(hash[i].ToString("X2")); } return sb.ToString().ToLower(); } public static string CalculateMD5Base64Hash(string input) { // step 1, calculate MD5 hash from input byte[] inputBytes = System.Text.Encoding.UTF8.GetBytes(input); byte[] hash = System.Security.Cryptography.MD5.HashData(inputBytes); return Convert.ToBase64String(hash).ToLowerInvariant(); } } } |