68 lines
2.7 KiB
C#
Executable File
68 lines
2.7 KiB
C#
Executable File
using System;
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using System.Security.Cryptography;
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using System.Text;
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namespace MarketData.Security
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{
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public class Encryption
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{
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public static string HashPassword(string password)
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{
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using (SHA256 sha256 = SHA256.Create())
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{
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byte[] bytes = Encoding.UTF8.GetBytes(password);
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byte[] hashBytes = sha256.ComputeHash(bytes);
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return Convert.ToBase64String(hashBytes);
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}
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}
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// public static (string Salt, string Hash) HashPasswordWithSalt(string password)
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// {
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// using (RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider())
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// {
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// byte[] salt = new byte[16];
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// rng.GetBytes(salt);
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// using (SHA256 sha256 = SHA256.Create())
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// {
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// byte[] passwordBytes = Encoding.UTF8.GetBytes(password);
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// byte[] saltedPassword = new byte[passwordBytes.Length + salt.Length];
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// Buffer.BlockCopy(passwordBytes, 0, saltedPassword, 0, passwordBytes.Length);
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// Buffer.BlockCopy(salt, 0, saltedPassword, passwordBytes.Length, salt.Length);
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// byte[] hashBytes = sha256.ComputeHash(saltedPassword);
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// return (Convert.ToBase64String(salt), Convert.ToBase64String(hashBytes));
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// }
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// }
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// }
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public static (string Salt, string Hash) HashPasswordWithSalt(string password)
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{
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byte[] salt = new byte[16];
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RandomNumberGenerator.Fill(salt);
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using (SHA256 sha256 = SHA256.Create())
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{
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byte[] passwordBytes = Encoding.UTF8.GetBytes(password);
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byte[] saltedPassword = new byte[passwordBytes.Length + salt.Length];
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Buffer.BlockCopy(passwordBytes, 0, saltedPassword, 0, passwordBytes.Length);
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Buffer.BlockCopy(salt, 0, saltedPassword, passwordBytes.Length, salt.Length);
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byte[] hashBytes = sha256.ComputeHash(saltedPassword);
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return (Convert.ToBase64String(salt), Convert.ToBase64String(hashBytes));
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}
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}
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public static bool VerifyPassword(string inputPassword, string storedSalt, string storedHash)
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{
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byte[] salt = Convert.FromBase64String(storedSalt);
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byte[] passwordBytes = Encoding.UTF8.GetBytes(inputPassword);
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byte[] saltedPassword = new byte[passwordBytes.Length + salt.Length];
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Buffer.BlockCopy(passwordBytes, 0, saltedPassword, 0, passwordBytes.Length);
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Buffer.BlockCopy(salt, 0, saltedPassword, passwordBytes.Length, salt.Length);
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using (SHA256 sha256 = SHA256.Create())
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{
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byte[] hashBytes = sha256.ComputeHash(saltedPassword);
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string inputHash = Convert.ToBase64String(hashBytes);
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return inputHash == storedHash;
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}
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}
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}
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}
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