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Switch to Crypto from DataProtection

This commit is contained in:
Hao Kung 2014-06-12 13:33:19 -07:00
parent af66fe1611
commit a3991400bc
2 changed files with 16 additions and 10 deletions
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23
src/Microsoft.AspNet.Identity/Crypto.cs
View File

@ -3,8 +3,7 @@
using System;
using System.Runtime.CompilerServices;
using System.Text;
using Microsoft.AspNet.Security.DataProtection;
using System.Security.Cryptography;
namespace Microsoft.AspNet.Identity
{
@ -32,10 +31,14 @@ namespace Microsoft.AspNet.Identity
}
// Produce a version 0 (see comment above) text hash.
var salt = new byte[SaltSize];
CryptRand.FillBuffer(new ArraySegment<byte>(salt));
var passwordBytes = Encoding.UTF8.GetBytes(password);
var subkey = PBKDF2.DeriveKey("SHA1", passwordBytes, salt, Pbkdf2IterCount, Pbkdf2SubkeyLength);
byte[] salt;
byte[] subkey;
using (var deriveBytes = new Rfc2898DeriveBytes(password, SaltSize, Pbkdf2IterCount))
{
salt = deriveBytes.Salt;
subkey = deriveBytes.GetBytes(Pbkdf2SubkeyLength);
}
var outputBytes = new byte[1 + SaltSize + Pbkdf2SubkeyLength];
Buffer.BlockCopy(salt, 0, outputBytes, 1, SaltSize);
Buffer.BlockCopy(subkey, 0, outputBytes, 1 + SaltSize, Pbkdf2SubkeyLength);
@ -65,8 +68,12 @@ namespace Microsoft.AspNet.Identity
Buffer.BlockCopy(hashedPasswordBytes, 1, salt, 0, SaltSize);
var storedSubkey = new byte[Pbkdf2SubkeyLength];
Buffer.BlockCopy(hashedPasswordBytes, 1 + SaltSize, storedSubkey, 0, Pbkdf2SubkeyLength);
var passwordBytes = Encoding.UTF8.GetBytes(password);
var generatedSubkey = PBKDF2.DeriveKey("SHA1", passwordBytes, salt, Pbkdf2IterCount, Pbkdf2SubkeyLength);
byte[] generatedSubkey;
using (var deriveBytes = new Rfc2898DeriveBytes(password, salt, Pbkdf2IterCount))
{
generatedSubkey = deriveBytes.GetBytes(Pbkdf2SubkeyLength);
}
return ByteArraysEqual(storedSubkey, generatedSubkey);
}

3
src/Microsoft.AspNet.Identity/project.json
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@ -1,8 +1,6 @@
{
"version": "0.1-alpha-*",
"dependencies": {
"Microsoft.AspNet.HttpFeature" : "0.1-alpha-*",
"Microsoft.AspNet.Security.DataProtection" : "0.1-alpha-*",
"Microsoft.Framework.ConfigurationModel": "0.1-alpha-*",
"Microsoft.Framework.DependencyInjection" : "0.1-alpha-*",
"Microsoft.Framework.OptionsModel": "0.1-alpha-*",
@ -26,6 +24,7 @@
"System.Runtime": "4.0.20.0",
"System.Runtime.Extensions": "4.0.10.0",
"System.Security.Principal": "4.0.0.0",
"System.Security.Cryptography.DeriveBytes": "4.0.0.0",
"System.Text.Encoding": "4.0.20.0",
"System.Threading.Tasks": "4.0.10.0"
}