40 lines
1.2 KiB
C#
40 lines
1.2 KiB
C#
using System.Security.Cryptography;
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using System.Text;
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namespace VAR.Focus.Web.Code
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{
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public class CryptoUtils
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{
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public static string GetSHA1(string str)
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{
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SHA1 sha1 = SHA1.Create();
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UTF8Encoding encoding = new UTF8Encoding();
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byte[] stream = null;
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StringBuilder sb = new StringBuilder();
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stream = sha1.ComputeHash(encoding.GetBytes(str));
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for (int i = 0; i < stream.Length; i++) sb.AppendFormat("{0:x2}", stream[i]);
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return sb.ToString();
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}
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public static string GetRandString(int len)
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{
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byte[] bytes = new byte[len];
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var cryptoRandom = new RNGCryptoServiceProvider();
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cryptoRandom.GetBytes(bytes);
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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.GetString(bytes);
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}
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public static string GetCryptoToken()
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{
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return GetSHA1(GetRandString(10));
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}
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public static string GetHashedPassword(string password, string passwordSalt)
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{
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return GetSHA1(string.Format("{1}{0}{1}", password, passwordSalt));
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}
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}
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} |