fix: 修复BCrypt加密算法存在的生成salt问题。

framework/NPin.Framework.Core/Crypt/BCrypt/BCrypt.cs

@@ -1,16 +1,23 @@
 using System.Security.Cryptography;
 using System.Text;
+using BBCrypt = Org.BouncyCastle.Crypto.Generators.BCrypt;
 
 namespace NPin.Framework.Core.Crypt.BCrypt;
 
 public static class BCrypt
 {
-    public static byte[] Generate(string password, string salt, int cost)
+    public static byte[] Generate(string password, string salt, int cost = 4)
     {
-        var passBytes = Encoding.UTF8.GetBytes(password);
-        var saltBytes = Encoding.UTF8.GetBytes(salt);
+        var passBytes = BBCrypt.PasswordToByteArray(password.ToCharArray());
+        var saltBytes = Convert.FromBase64String(salt);
 
-        return Org.BouncyCastle.Crypto.Generators.BCrypt.Generate(passBytes, saltBytes, cost);
+        return BBCrypt.Generate(passBytes, saltBytes, cost);
+    }
+
+    public static string GenerateStr(string password, string salt, int cost = 4)
+    {
+        var bytes = Generate(password, salt, cost);
+        return Convert.ToBase64String(bytes);
     }
 
     public static string GenerateSalt()
@@ -19,7 +26,7 @@ public static class BCrypt
         using var rand = RandomNumberGenerator.Create();
         rand.GetBytes(buf);
 
-        return Convert.ToBase64String(buf);
+        return Convert.ToBase64String(buf, 0, 16);
     }
 
     /// <summary>
@@ -33,7 +40,7 @@ public static class BCrypt
     /// <returns></returns>
     public static bool Check(string encrypt, string password, string salt, int cost)
     {
-        var passStr = Generate(password, salt, cost).ToString();
+        var passStr = GenerateStr(password, salt, cost);
 
         return string.Equals(encrypt, passStr);
     }

module/upms/NPin.Framework.Upms.Domain/Entities/UserEntity.cs

@@ -1,4 +1,5 @@
-using NPin.Framework.Core.Crypt.BCrypt;
+using System.Text;
+using NPin.Framework.Core.Crypt.BCrypt;
 using NPin.Framework.SqlSugarCore.Abstractions.Data;
 using NPin.Framework.Upms.Domain.Entities.ValueObjects;
 using NPin.Framework.Upms.Domain.Shared.Enums;
@@ -28,8 +29,8 @@ public class UserEntity : Entity<Guid>, ISoftDelete, IAuditedObject, IEnabled, I
     [SugarColumn(ColumnDescription = "昵称")]
     public string? Nickname { get; set; }
 
-    [SugarColumn(ColumnDescription = "密码", IsOwnsOne = true)]
-    public EncryptPasswordValueObject? EncryptPassword { get; set; } = new EncryptPasswordValueObject();
+    [SugarColumn(IsOwnsOne = true)]
+    public EncryptPasswordValueObject EncryptPassword { get; set; } = new();
 
     [SugarColumn(ColumnDescription = "简介")]
     public string? Introduction { get; set; }
@@ -50,12 +51,12 @@ public class UserEntity : Entity<Guid>, ISoftDelete, IAuditedObject, IEnabled, I
     /// <summary>
     /// 逻辑删除
     /// </summary>
-    public bool IsDeleted { get; }
+    public bool IsDeleted { get; set; }
 
-    public DateTime CreationTime { get; } = DateTime.Now;
-    public Guid? CreatorId { get; }
-    public DateTime? LastModificationTime { get; }
-    public Guid? LastModifierId { get; }
+    public DateTime CreationTime { get; set; } = DateTime.Now;
+    public Guid? CreatorId { get; set; }
+    public DateTime? LastModificationTime { get; set; }
+    public Guid? LastModifierId { get; set; }
 
     /// <summary>
     /// 是否启用
@@ -123,10 +124,10 @@ public class UserEntity : Entity<Guid>, ISoftDelete, IAuditedObject, IEnabled, I
     {
         // 若传入密码无值，则使用原本Password
         // 若原本Password依然无值，则抛出参数异常
-        password ??= EncryptPassword?.Password ?? throw new ArgumentNullException(nameof(EncryptPassword.Password));
+        password ??= EncryptPassword.Password ?? throw new ArgumentNullException(nameof(EncryptPassword.Password));
         
         EncryptPassword.Salt = BCrypt.GenerateSalt();
-        EncryptPassword.Password = BCrypt.Generate(password, EncryptPassword.Salt, 0).ToString()!;
+        EncryptPassword.Password = BCrypt.GenerateStr(password, EncryptPassword.Salt, 10);
 
         return this;
     }
@@ -139,11 +140,11 @@ public class UserEntity : Entity<Guid>, ISoftDelete, IAuditedObject, IEnabled, I
     /// <exception cref="ArgumentNullException"></exception>
     public bool CheckPassword(string password)
     {
-        if (EncryptPassword?.Salt is null)
+        if (EncryptPassword.Salt is null)
         {
             throw new ArgumentNullException(nameof(EncryptPassword.Salt));
         }
         
-        return BCrypt.Check(EncryptPassword.Password, password, EncryptPassword.Salt, 0);
+        return BCrypt.Check(EncryptPassword.Password, password, EncryptPassword.Salt, 10);
     }
 }