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netcore/src/Infrastructure/NCC.Pay/NCC.Security/OaepSHA1WithRSA.cs 2.32 KB
de2bd2f9   “wangming”   项目初始化
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  using System;
  using System.Security.Cryptography;
  using System.Text;
  
  namespace NCC.Core.Pay.Security
  {
      public static class OaepSHA1WithRSA
      {
          public static string Encrypt(string data, string publicKey)
          {
              if (string.IsNullOrEmpty(data))
              {
                  throw new ArgumentNullException(nameof(data));
              }
  
              if (string.IsNullOrEmpty(publicKey))
              {
                  throw new ArgumentNullException(nameof(publicKey));
              }
  
              using (var rsa = RSA.Create())
              {
                  rsa.ImportRSAPublicKey(Convert.FromBase64String(publicKey), out var _);
                  return Convert.ToBase64String(rsa.Encrypt(Encoding.UTF8.GetBytes(data), RSAEncryptionPadding.OaepSHA1));
              }
          }
  
          public static string Decrypt(string data, string privateKey)
          {
              if (string.IsNullOrEmpty(data))
              {
                  throw new ArgumentNullException(nameof(data));
              }
  
              if (string.IsNullOrEmpty(privateKey))
              {
                  throw new ArgumentNullException(nameof(privateKey));
              }
  
              using (var rsa = RSA.Create())
              {
                  rsa.ImportRSAPrivateKey(Convert.FromBase64String(privateKey), out var _);
                  return Encoding.UTF8.GetString(rsa.Decrypt(Convert.FromBase64String(data), RSAEncryptionPadding.OaepSHA1));
              }
          }
  
          public static string Encrypt(RSA rsa, string data)
          {
              if (rsa == null)
              {
                  throw new ArgumentNullException(nameof(rsa));
              }
  
              if (string.IsNullOrEmpty(data))
              {
                  throw new ArgumentNullException(nameof(data));
              }
  
              return Convert.ToBase64String(rsa.Encrypt(Encoding.UTF8.GetBytes(data), RSAEncryptionPadding.OaepSHA1));
          }
  
          public static string Decrypt(RSA rsa, string data)
          {
              if (rsa == null)
              {
                  throw new ArgumentNullException(nameof(rsa));
              }
  
              if (string.IsNullOrEmpty(data))
              {
                  throw new ArgumentNullException(nameof(data));
              }
  
              return Encoding.UTF8.GetString(rsa.Decrypt(Convert.FromBase64String(data), RSAEncryptionPadding.OaepSHA1));
          }
      }
  }