You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

70 lines
2.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
namespace POSV.Common.Util
{
public class Hashing
{
/// <summary>
/// 计算SHA1
/// </summary>
/// <param name="data">字节数据</param>
/// <returns>SHA1</returns>
public static byte[] CalcSHA1(byte[] data)
{
#if WINDOWS_UWP
var sha = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha1);
var buf = CryptographicBuffer.CreateFromByteArray(data);
var digest = sha.HashData(buf);
var hashBytes = new byte[digest.Length];
CryptographicBuffer.CopyToByteArray(digest, out hashBytes);
return hashBytes;
#else
SHA1 sha1 = SHA1.Create();
return sha1.ComputeHash(data);
#endif
}
/// <summary>
/// 计算MD5哈希(可能需要关闭FIPS)
/// </summary>
/// <param name="str">待计算的字符串</param>
/// <returns>MD5结果</returns>
public static string CalcMD5(string str)
{
#if WINDOWS_UWP
var md5 = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Md5);
var buf = CryptographicBuffer.ConvertStringToBinary(str, BinaryStringEncoding.Utf8);
var digest = md5.HashData(buf);
return CryptographicBuffer.EncodeToHexString(digest);
#else
MD5 md5 = MD5.Create();
byte[] data = Encoding.UTF8.GetBytes(str);
byte[] hashData = md5.ComputeHash(data);
StringBuilder sb = new StringBuilder(hashData.Length * 2);
foreach (byte b in hashData)
{
sb.AppendFormat("{0:x2}" , b);
}
return sb.ToString();
#endif
}
/// <summary>
/// 计算MD5哈希(第三方实现)
/// </summary>
/// <param name="str">待计算的字符串,避免FIPS-Exception</param>
/// <returns>MD5结果</returns>
public static string CalcMD5X(string str)
{
byte[] data = Encoding.UTF8.GetBytes(str);
LabMD5 md5 = new LabMD5();
return md5.ComputeHash(data);
}
}
}