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fix: corrige erro de inserção de chave duplicada no cachê do certificado digital #1680

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Merged
AgnaldoSilva0 merged 1 commit into from
Feb 5, 2026
+10 −10
Merged

fix: corrige erro de inserção de chave duplicada no cachê do certificado digital #1680

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20 changes: 10 additions & 10 deletions DFe.Utils/Assinatura/CertificadoDigital.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@
/********************************************************************************/

using System;
using System.Collections.Generic;
using System.Collections.Concurrent;
using System.IO;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
Expand All @@ -43,7 +43,7 @@
{
public static class CertificadoDigital
{
private static readonly Dictionary<string, X509Certificate2> CacheCertificado = new Dictionary<string, X509Certificate2>();
private static readonly ConcurrentDictionary<string, X509Certificate2> CacheCertificado = new ConcurrentDictionary<string, X509Certificate2>();

#region Métodos privados

Expand Down Expand Up @@ -153,7 +153,7 @@
if (Environment.OSVersion.Platform == PlatformID.Win32NT || Environment.OSVersion.Platform == PlatformID.Win32Windows || Environment.OSVersion.Platform == PlatformID.Win32S)
{
if (certificado == null) throw new ArgumentNullException("certificado");
var key = (RSACryptoServiceProvider)certificado.PrivateKey;

Check warning on line 156 in DFe.Utils/Assinatura/CertificadoDigital.cs

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GitHub Actions / build (windows-2022) 

'X509Certificate2.PrivateKey' is obsolete: 'X509Certificate2.PrivateKey is obsolete. Use the appropriate method to get the private key, such as GetRSAPrivateKey, or use the CopyWithPrivateKey method to create a new instance with a private key.'

Check warning on line 156 in DFe.Utils/Assinatura/CertificadoDigital.cs

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GitHub Actions / build (windows-2022) 

'X509Certificate2.PrivateKey' is obsolete: 'X509Certificate2.PrivateKey is obsolete. Use the appropriate method to get the private key, such as GetRSAPrivateKey, or use the CopyWithPrivateKey method to create a new instance with a private key.'

var providerHandle = IntPtr.Zero;
var pinBuffer = Encoding.ASCII.GetBytes(pin);
Expand Down Expand Up @@ -204,29 +204,29 @@
/// <summary>
/// Obtém um objeto contendo o certificado digital
/// <para>Se for informado <see cref="ConfiguracaoCertificado.Arquivo"/>,
/// o certificado digital será obtido pelo método <see cref="ObterDeArquivo(string,string)"/>,
/// senão será obtido pelo método <see cref="ListareObterDoRepositorio"/> </para>
/// o certificado digital será obtido pelo método <see cref="ObterDeArquivo(string,string,X509KeyStorageFlags)"/>,
/// senão será obtido pelo método <see cref="ObterDoRepositorio"/> </para>
/// <para>Para liberar os recursos do certificado, após seu uso, invoque o método <see cref="X509Certificate2.Reset()"/></para>
/// </summary>
public static X509Certificate2 ObterCertificado(ConfiguracaoCertificado configuracaoCertificado)
{
if (!configuracaoCertificado.ManterDadosEmCache)
return ObterDadosCertificado(configuracaoCertificado);

if (!string.IsNullOrEmpty(configuracaoCertificado.CacheId) && CacheCertificado.ContainsKey(configuracaoCertificado.CacheId))
return CacheCertificado[configuracaoCertificado.CacheId];
if (!string.IsNullOrWhiteSpace(configuracaoCertificado.CacheId) && CacheCertificado.TryGetValue(configuracaoCertificado.CacheId, out var certificadoEmCache))
return certificadoEmCache;

var certificado = ObterDadosCertificado(configuracaoCertificado);

var keyCertificado = string.IsNullOrEmpty(configuracaoCertificado.CacheId)
var keyCertificado = string.IsNullOrWhiteSpace(configuracaoCertificado.CacheId)
? certificado.SerialNumber
: configuracaoCertificado.CacheId;

configuracaoCertificado.CacheId = keyCertificado;

var certificadoDoCache = CacheCertificado.GetOrAdd(keyCertificado, certificado);

CacheCertificado.Add(keyCertificado, certificado);

return CacheCertificado[keyCertificado];
return certificadoDoCache;
}

public static void ClearCache()
Expand Down Expand Up @@ -338,7 +338,7 @@

try
{
RSACryptoServiceProvider service = x509Certificate2.PrivateKey as RSACryptoServiceProvider;

Check warning on line 341 in DFe.Utils/Assinatura/CertificadoDigital.cs

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GitHub Actions / build (windows-2022) 

'X509Certificate2.PrivateKey' is obsolete: 'X509Certificate2.PrivateKey is obsolete. Use the appropriate method to get the private key, such as GetRSAPrivateKey, or use the CopyWithPrivateKey method to create a new instance with a private key.'

Check warning on line 341 in DFe.Utils/Assinatura/CertificadoDigital.cs

View workflow job for this annotation

GitHub Actions / build (windows-2022) 

'X509Certificate2.PrivateKey' is obsolete: 'X509Certificate2.PrivateKey is obsolete. Use the appropriate method to get the private key, such as GetRSAPrivateKey, or use the CopyWithPrivateKey method to create a new instance with a private key.'

if (service != null)
{
Expand Down
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