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Filipe GP
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Merge pull request #25 from RichardD2/feature/data-types
Enahnced data type support
2 parents 8cfe4c2 + 376b9ba commit 546e04a

33 files changed

+1742
-212
lines changed

‎.editorconfig‎

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[*.cs]
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indent_style = space
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indent_size = 4
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csharp_new_line_before_else = true
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csharp_new_line_before_finally = true
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csharp_new_line_before_members_in_object_initializers = true
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csharp_new_line_before_open_brace = methods, object_collection_array_initializers, control_blocks, types
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dotnet_sort_system_directives_first = true
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csharp_space_after_cast = false
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csharp_space_after_colon_in_inheritance_clause = true
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csharp_space_after_keywords_in_control_flow_statements = true
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csharp_space_before_colon_in_inheritance_clause = true
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csharp_space_between_method_call_empty_parameter_list_parentheses = false
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csharp_space_between_method_call_name_and_opening_parenthesis = false
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csharp_space_between_method_call_parameter_list_parentheses = false
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csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
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csharp_space_between_method_declaration_parameter_list_parentheses = false
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csharp_preserve_single_line_blocks = true
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csharp_preserve_single_line_statements = false
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csharp_prefer_braces = true:warning
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csharp_style_var_when_type_is_apparent = true:suggestion
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csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
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dotnet_style_require_accessibility_modifiers = for_non_interface_members:suggestion
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csharp_preferred_modifier_order = public,private,internal,protected,static,readonly,sealed,async,override,abstract:suggestion
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dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
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dotnet_style_predefined_type_for_member_access = true:suggestion
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dotnet_style_object_initializer = true:suggestion
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dotnet_style_prefer_inferred_tuple_names = true:suggestion
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csharp_prefer_simple_default_expression = true:suggestion
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dotnet_style_qualification_for_field = false:suggestion
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dotnet_style_qualification_for_method = false:suggestion
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dotnet_style_qualification_for_property = false:suggestion

‎EntityFrameworkCore.DataEncryption.sln‎

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@@ -28,6 +28,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "pipelines", "pipelines", "{
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ProjectSection(SolutionItems) = preProject
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.azure\pipelines\azure-pipelines.yml = .azure\pipelines\azure-pipelines.yml
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EndProjectSection
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{5EE4E8BE-6B15-49DB-A4A8-D2CD63D5E90C}"
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ProjectSection(SolutionItems) = preProject
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.editorconfig = .editorconfig
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EndProjectSection
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution

‎samples/AesSample/Program.cs‎

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@@ -2,12 +2,13 @@
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using Microsoft.EntityFrameworkCore.DataEncryption.Providers;
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using System;
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using System.Linq;
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using System.Security;
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namespace AesSample
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{
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class Program
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static class Program
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{
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static void Main(string[] args)
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static void Main()
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{
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var options = new DbContextOptionsBuilder<DatabaseContext>()
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.UseInMemoryDatabase(databaseName: "MyInMemoryDatabase")
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{
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FirstName = "John",
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LastName = "Doe",
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Email = "john@doe.com"
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Email = "john@doe.com",
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Password = BuildPassword(),
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};
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context.Users.Add(user);
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context.SaveChanges();
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Console.WriteLine($"Users count: {context.Users.Count()}");
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user = context.Users.FirstOrDefault();
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user = context.Users.First();
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Console.WriteLine($"User: {user.FirstName} {user.LastName} - {user.Email}");
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Console.WriteLine($"User: {user.FirstName} {user.LastName} - {user.Email} ({user.Password.Length})");
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}
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static SecureString BuildPassword()
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{
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SecureString result = new();
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result.AppendChar('L');
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result.AppendChar('e');
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result.AppendChar('t');
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result.AppendChar('M');
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result.AppendChar('e');
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result.AppendChar('I');
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result.AppendChar('n');
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result.AppendChar('!');
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result.MakeReadOnly();
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return result;
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}
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}
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}

‎samples/AesSample/UserEntity.cs‎

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using System;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.Security;
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namespace AesSample
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{
@@ -19,5 +20,7 @@ public class UserEntity
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[Required]
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[Encrypted]
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public string Email { get; set; }
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public SecureString Password { get; set; }
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}
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}

‎src/EntityFrameworkCore.DataEncryption/Attributes/EncryptedAttribute.cs‎

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[AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
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public sealed class EncryptedAttribute : Attribute
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="EncryptedAttribute"/> class.
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/// </summary>
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/// <param name="format">
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/// The storage format.
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/// </param>
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public EncryptedAttribute(StorageFormat format)
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{
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Format = format;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="EncryptedAttribute"/> class.
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/// </summary>
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public EncryptedAttribute() : this(StorageFormat.Default)
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{
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}
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/// <summary>
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/// Returns the storage format for the database value.
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/// </summary>
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public StorageFormat Format { get; }
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}
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}
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}

‎src/EntityFrameworkCore.DataEncryption/Attributes/StorageFormat.cs‎

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namespace System.ComponentModel.DataAnnotations
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{
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/// <summary>
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/// Represents the storage format for an encrypted value.
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/// </summary>
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public enum StorageFormat
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{
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/// <summary>
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/// The format is determined by the model data type.
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/// </summary>
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Default,
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/// <summary>
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/// The value is stored in binary.
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/// </summary>
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Binary,
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/// <summary>
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/// The value is stored in a Base64-encoded string.
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/// </summary>
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/// <remarks>
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/// <b>NB:</b> If the source property is a <see cref="string"/>,
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/// and no encryption provider is configured,
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/// the string will not be modified.
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/// </remarks>
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Base64,
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}
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}

‎src/EntityFrameworkCore.DataEncryption/EntityFrameworkCore.DataEncryption.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFrameworks>netstandard2.0</TargetFrameworks>
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<LangVersion>9.0</LangVersion>
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<AssemblyName>EntityFrameworkCore.DataEncryption</AssemblyName>
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<RootNamespace>Microsoft.EntityFrameworkCore.DataEncryption</RootNamespace>
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<Version>2.0.0</Version>
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<Authors>Filipe GOMES PEIXOTO</Authors>
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<PackageId>EntityFrameworkCore.DataEncryption</PackageId>
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<PackageProjectUrl>https://github.com/Eastrall/EntityFrameworkCore.DataEncryption</PackageProjectUrl>
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<RepositoryUrl>https://github.com/Eastrall/EntityFrameworkCore.DataEncryption.git</RepositoryUrl>
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<RepositoryType>git</RepositoryType>
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<PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
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<GenerateDocumentationFile>true</GenerateDocumentationFile>
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<PackageTags>entity-framework-core, extensions, dotnet-core, dotnet, encryption, fluent-api</PackageTags>
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<LangVersion>8.0</LangVersion>
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<PackageIcon>icon.png</PackageIcon>
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<Copyright>Filipe GOMES PEIXOTO © 2019 - 2020</Copyright>
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<Description>A plugin for Microsoft.EntityFrameworkCore to add support of encrypted fields using built-in or custom encryption providers.</Description>
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<PackageLicenseFile>LICENSE</PackageLicenseFile>
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<PackageReleaseNotes>- Remove initializationVector parameter from `AesProvider` constructor.
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- Apply unique IV for each row.</PackageReleaseNotes>
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</PropertyGroup>
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<PropertyGroup>
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<TargetFrameworks>netstandard2.0</TargetFrameworks>
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<LangVersion>9.0</LangVersion>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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<AssemblyName>EntityFrameworkCore.DataEncryption</AssemblyName>
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<RootNamespace>Microsoft.EntityFrameworkCore.DataEncryption</RootNamespace>
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<Version>3.0.0</Version>
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<Authors>Filipe GOMES PEIXOTO</Authors>
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<PackageId>EntityFrameworkCore.DataEncryption</PackageId>
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<PackageProjectUrl>https://github.com/Eastrall/EntityFrameworkCore.DataEncryption</PackageProjectUrl>
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<RepositoryUrl>https://github.com/Eastrall/EntityFrameworkCore.DataEncryption.git</RepositoryUrl>
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<RepositoryType>git</RepositoryType>
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<PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
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<GenerateDocumentationFile>true</GenerateDocumentationFile>
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<PackageTags>entity-framework-core, extensions, dotnet-core, dotnet, encryption, fluent-api</PackageTags>
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<PackageIcon>icon.png</PackageIcon>
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<Copyright>Filipe GOMES PEIXOTO © 2019 - 2020</Copyright>
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<Description>A plugin for Microsoft.EntityFrameworkCore to add support of encrypted fields using built-in or custom encryption providers.</Description>
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<PackageLicenseFile>LICENSE</PackageLicenseFile>
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<PackageReleaseNotes>
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- Add support for storing data as binary or Base64
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- Add support for SecureString and binary model properties
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</PackageReleaseNotes>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.0" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.0" />
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</ItemGroup>
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<ItemGroup>
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<None Include="..\..\LICENSE">
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<Pack>True</Pack>
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<PackagePath></PackagePath>
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</None>
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<None Include="Resources/icon.png" Pack="true" Visible="true" PackagePath="" />
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</ItemGroup>
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<ItemGroup>
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<None Include="..\..\LICENSE">
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<Pack>True</Pack>
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<PackagePath></PackagePath>
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</None>
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<None Include="Resources/icon.png" Pack="true" Visible="true" PackagePath="" />
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</ItemGroup>
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<ItemGroup>
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<AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleToAttribute">
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<_Parameter1>Microsoft.EntityFrameworkCore.Encryption.Test</_Parameter1>
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</AssemblyAttribute>
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</ItemGroup>
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</Project>

‎src/EntityFrameworkCore.DataEncryption/EntityFrameworkCore.DataEncryption.csproj.DotSettings‎

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<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
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<s:String x:Key="/Default/CodeInspection/CSharpLanguageProject/LanguageLevel/@EntryValue">CSharp90</s:String></wpf:ResourceDictionary>

‎src/EntityFrameworkCore.DataEncryption/IEncryptionProvider.cs‎

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namespace Microsoft.EntityFrameworkCore.DataEncryption
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using System;
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using System.IO;
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namespace Microsoft.EntityFrameworkCore.DataEncryption
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{
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/// <summary>
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/// Provides a mechanism for implementing a custom encryption provider.
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/// </summary>
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public interface IEncryptionProvider
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{
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/// <summary>
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/// Encrypts a string.
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/// Encrypts a value.
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/// </summary>
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/// <param name="dataToEncrypt">Input data as a string to encrypt.</param>
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/// <returns>Encrypted data as a string.</returns>
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string Encrypt(string dataToEncrypt);
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/// <typeparam name="TStore">
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/// The type of data stored in the database.
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/// </typeparam>
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/// <typeparam name="TModel">
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/// The type of value stored in the model.
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/// </typeparam>
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/// <param name="dataToEncrypt">
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/// Input data to encrypt.
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/// </param>
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/// <param name="converter">
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/// Function which converts the model value to a byte array.
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/// </param>
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/// <param name="encoder">
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/// Function which encodes the value for storing the the database.
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/// </param>
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/// <returns>
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/// Encrypted data.
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/// </returns>
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/// <exception cref="ArgumentNullException">
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/// <para><paramref name="converter"/> is <see langword="null"/>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="encoder"/> is <see langword="null"/>.</para>
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/// </exception>
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TStore Encrypt<TStore, TModel>(TModel dataToEncrypt, Func<TModel, byte[]> converter, Func<Stream, TStore> encoder);
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/// <summary>
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/// Decrypts a string.
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/// Decrypts a value.
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/// </summary>
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/// <param name="dataToDecrypt">Encrypted data as a string to decrypt.</param>
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/// <returns>Decrypted data as a string.</returns>
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string Decrypt(string dataToDecrypt);
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/// <typeparam name="TStore">
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/// The type of data stored in the database.
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/// </typeparam>
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/// <typeparam name="TModel">
46+
/// The type of value stored in the model.
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/// </typeparam>
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/// <param name="dataToDecrypt">
49+
/// Encrypted data to decrypt.
50+
/// </param>
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/// <param name="decoder">
52+
/// Function which converts the stored data to a byte array.
53+
/// </param>
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/// <param name="converter">
55+
/// Function which converts the decrypted <see cref="Stream"/> to the return value.
56+
/// </param>
57+
/// <returns>
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/// Decrypted data.
59+
/// </returns>
60+
/// <exception cref="ArgumentNullException">
61+
/// <para><paramref name="decoder"/> is <see langword="null"/>.</para>
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/// <para>-or-</para>
63+
/// <para><paramref name="converter"/> is <see langword="null"/>.</para>
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/// </exception>
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TModel Decrypt<TStore, TModel>(TStore dataToDecrypt, Func<TStore, byte[]> decoder, Func<Stream, TModel> converter);
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}
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}

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