Yi.Framework.Net6/Yi.Framework.Common/Helper/RSAHelper.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.IO;
using System.Security.Cryptography;
using System.Text;

namespace Yi.Framework.Common.Helper
{
	/// <summary>
	/// RSA加解密 使用OpenSSL的公钥加密/私钥解密 
	/// 公私钥请使用openssl生成
	/// </summary>
	public class RSAHelper
	{
		public readonly RSA _privateKeyRsaProvider;
		public readonly RSA _publicKeyRsaProvider;
		private readonly HashAlgorithmName _hashAlgorithmName;
		private readonly Encoding _encoding;

		/// <summary>
		/// 实例化RSAHelper
		/// </summary>
		/// <param name="rsaType">加密算法类型 RSA SHA1;RSA2 SHA256 密钥长度至少为2048</param>
		/// <param name="encoding">编码类型</param>
		/// <param name="privateKey">私钥</param>
		/// <param name="publicKey">公钥</param>
		public RSAHelper(RSAType rsaType, Encoding encoding, string privateKey, string publicKey = null)
		{
			_encoding = encoding;
			if (!string.IsNullOrEmpty(privateKey))
			{
				_privateKeyRsaProvider = CreateRsaProviderFromPrivateKey(privateKey);
			}

			if (!string.IsNullOrEmpty(publicKey))
			{
				_publicKeyRsaProvider = CreateRsaProviderFromPublicKey(publicKey);
			}

			_hashAlgorithmName = rsaType == RSAType.RSA ? HashAlgorithmName.SHA1 : HashAlgorithmName.SHA256;
		}

		#region 使用私钥签名

		/// <summary>
		/// 使用私钥签名
		/// </summary>
		/// <param name="data">原始数据</param>
		/// <returns></returns>
		public string Sign(string data)
		{
			byte[] dataBytes = _encoding.GetBytes(data);

			var signatureBytes = _privateKeyRsaProvider.SignData(dataBytes, _hashAlgorithmName, RSASignaturePadding.Pkcs1);

			return Convert.ToBase64String(signatureBytes);
		}

		#endregion

		#region 使用公钥验签