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Cryptography service now handles random byte generation

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Protected strings are now protected in memory
This commit is contained in:
Geoffroy BONNEVILLE
2020-05-18 14:14:28 +02:00
parent ceaf7dabd3
commit 9126307b4c
22 changed files with 134 additions and 105 deletions
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11
ModernKeePass.Application/Security/Commands/GenerateKeyFile/GenerateKeyFileCommand.cs
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@@ -1,5 +1,4 @@
using System;
using System.Threading.Tasks;
using System.Threading.Tasks;
using MediatR;
using ModernKeePass.Application.Common.Interfaces;
@@ -14,11 +13,13 @@ namespace ModernKeePass.Application.Security.Commands.GenerateKeyFile
{
private readonly ICredentialsProxy _security;
private readonly IFileProxy _file;
private readonly ICryptographyClient _cryptography;
public GenerateKeyFileCommandHandler(ICredentialsProxy security, IFileProxy file)
public GenerateKeyFileCommandHandler(ICredentialsProxy security, IFileProxy file, ICryptographyClient cryptography)
{
_security = security;
_file = file;
_cryptography = cryptography;
}
public async Task Handle(GenerateKeyFileCommand message)
@@ -26,9 +27,7 @@ namespace ModernKeePass.Application.Security.Commands.GenerateKeyFile
byte[] entropy = null;
if (message.AddAdditionalEntropy)
{
entropy = new byte[10];
var random = new Random();
random.NextBytes(entropy);
entropy = _cryptography.Random(10);
}
var keyFile = _security.GenerateKeyFile(entropy);
await _file.WriteBinaryContentsToFile(message.KeyFilePath, keyFile);