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Improve Randomes

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This commit is contained in:
TheJoKlLa 2023-02-02 22:18:13 +01:00
parent 327472bea0
commit 9bb6274a1c
1 changed files with 5 additions and 4 deletions
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9
NFC/Cards/NXP MIFARE DESFire/NXP_MIFARE_DESFire.cs
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@ -12,6 +12,7 @@ using Org.BouncyCastle.Crypto.Parameters;
using System; using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.Linq; using System.Linq;
using System.Security.Cryptography;
namespace NFC.Cards.NXP_MIFARE_DESFire namespace NFC.Cards.NXP_MIFARE_DESFire
{ {
@ -305,9 +306,9 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
if (rndA == null) if (rndA == null)
{ {
Random rnd = new Random();
rndA = new byte[8]; rndA = new byte[8];
rnd.NextBytes(rndA); RNGCryptoServiceProvider cryptoProvider = new RNGCryptoServiceProvider();
cryptoProvider.GetBytes(rndA);
} }
_Log.DebugFormat("rndA: {0}", HexConverter.ConvertToHexString(rndA)); _Log.DebugFormat("rndA: {0}", HexConverter.ConvertToHexString(rndA));
@ -458,9 +459,9 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
if (rndA == null) if (rndA == null)
{ {
Random rnd = new Random();
rndA = new byte[16]; rndA = new byte[16];
rnd.NextBytes(rndA); RNGCryptoServiceProvider cryptoProvider = new RNGCryptoServiceProvider();
cryptoProvider.GetBytes(rndA);
} }
_Log.DebugFormat("rndA: {0}", HexConverter.ConvertToHexString(rndA)); _Log.DebugFormat("rndA: {0}", HexConverter.ConvertToHexString(rndA));