diff --git a/Applications/ConsoleReferenceClient/ClientSamples.cs b/Applications/ConsoleReferenceClient/ClientSamples.cs
index 6f85b169f5..9e2952d8f3 100644
--- a/Applications/ConsoleReferenceClient/ClientSamples.cs
+++ b/Applications/ConsoleReferenceClient/ClientSamples.cs
@@ -862,7 +862,7 @@ namespace Quickstarts
result.Sort((x, y) => x.NodeId.CompareTo(y.NodeId));
m_logger.LogInformation(
- "ManagedBrowseFullAddressSpace found {Count} references on server in {Duration}ms.",
+ "ManagedBrowseFullAddressSpace found {Count} references on server in {Duration} ms.",
result.Count,
stopWatch.ElapsedMilliseconds);
@@ -1083,7 +1083,7 @@ namespace Quickstarts
result.Sort((x, y) => x.NodeId.CompareTo(y.NodeId));
m_logger.LogInformation(
- "BrowseFullAddressSpace found {Count} references on server in {Duration}ms.",
+ "BrowseFullAddressSpace found {Count} references on server in {Duration} ms.",
referenceDescriptions.Count,
stopWatch.ElapsedMilliseconds);
diff --git a/Applications/ConsoleReferenceClient/Quickstarts.ReferenceClient.Config.xml b/Applications/ConsoleReferenceClient/Quickstarts.ReferenceClient.Config.xml
index f067984d1d..790439a676 100644
--- a/Applications/ConsoleReferenceClient/Quickstarts.ReferenceClient.Config.xml
+++ b/Applications/ConsoleReferenceClient/Quickstarts.ReferenceClient.Config.xml
@@ -91,11 +91,11 @@
65535
4194304
65535
- 300000
+ 30000
30000
- 60000
+ 600000
opc.tcp://{0}:4840
http://{0}:52601/UADiscovery
diff --git a/Applications/ConsoleReferenceClient/RunConnectAll.cs b/Applications/ConsoleReferenceClient/RunConnectAll.cs
index 0d0c22281e..50c5500ec6 100644
--- a/Applications/ConsoleReferenceClient/RunConnectAll.cs
+++ b/Applications/ConsoleReferenceClient/RunConnectAll.cs
@@ -25,13 +25,40 @@ namespace SecurityTestClient
private ISession m_session;
const string ServerUrl = "opc.tcp://localhost:62541";
- //const string ServerUrl = "opc.tcp://WhiteCat:4880/Softing/OpcUa/TestServer";
+ const string UserName = "sysadmin";
+ const string Password = "demo12";
+ const bool supportsX509 = true;
+
+ //const string ServerUrl = "opc.tcp://10.103.19.71:52520/OPCUA/SampleConsoleServer";
+ //const string UserName = "opcua";
+ //const string Password = "opcua";
+ //static bool supportsX509 = false;
+
+ //const string ServerUrl = "opc.tcp://10.103.141.179:4840";
+ //const string UserName = "iop";
+ //const string Password = "test";
+ //static bool supportsX509 = false;
+
+ //const string ServerUrl = "opc.tcp://78.46.151.116:4840";
+ //const string UserName = "user1";
+ //const string Password = "passsword";
+ //static bool supportsX509 = false;
+
+ //const string ServerUrl = "opc.tcp://10.103.119.62:4888/Softing/OpcUa/TestServer";
+ //const string UserName = "usr";
+ //const string Password = "pwd";
+ //const bool supportsX509 = true;
+
+ static string TargetPolicy = SecurityPolicies.ECC_nistP256_AesGcm;
+
const int kMaxSearchDepth = 128;
const int ReconnectPeriod = 1000;
const int ReconnectPeriodExponentialBackoff = 15000;
public RunConnectAll(ApplicationConfiguration configuration, ITelemetryContext context)
{
+ CryptoTrace.Enabled = true;
+
m_context = context;
m_configuration = configuration;
m_logger = context.CreateLogger("Test");
@@ -108,12 +135,11 @@ namespace SecurityTestClient
ServerUrl,
ct).ConfigureAwait(false);
- //endpoints = endpoints.Where(x => x.SecurityPolicyUri == SecurityPolicies.RSA_DH_ChaChaPoly).ToList();
+ endpoints = endpoints.Where(x => x.SecurityPolicyUri == TargetPolicy).ToList();
var endpointConfiguration = EndpointConfiguration.Create(m_configuration);
var sessionFactory = new DefaultSessionFactory(m_context);
- var userNameidentity = new UserIdentity("sysadmin", new UTF8Encoding(false).GetBytes("demo"));
- //var userNameidentity = new UserIdentity("usr", new UTF8Encoding(false).GetBytes("pwd"));
+ var userNameidentity = new UserIdentity(UserName, new UTF8Encoding(false).GetBytes(Password));
foreach (var ii in endpoints)
{
@@ -123,7 +149,15 @@ namespace SecurityTestClient
var certificateIdentity = await LoadUserCertificateAsync(thumbprint, "password", ct).ConfigureAwait(false);
- foreach (var identity in new UserIdentity[] { userNameidentity, certificateIdentity })
+ var identities = new List
+ {
+ new UserIdentity()
+ };
+
+ if (!String.IsNullOrEmpty(UserName)) { identities.Add(userNameidentity); }
+ if (supportsX509) { identities.Add(certificateIdentity); }
+
+ foreach (var identity in identities)
{
try
{
@@ -149,7 +183,7 @@ namespace SecurityTestClient
m_logger.LogWarning("Waiting for SecureChannel renew");
await session.UpdateSessionAsync(identity, null, ct).ConfigureAwait(false);
- for (int count = 0; count < 8; count++)
+ for (int count = 0; count < 20; count++)
{
var result = await session.ReadAsync(
null,
@@ -628,7 +662,7 @@ namespace SecurityTestClient
result.Sort((x, y) => x.NodeId.CompareTo(y.NodeId));
m_logger.LogWarning(
- "BrowseFullAddressSpace found {Count} references on server in {ElapsedMilliseconds}ms.",
+ "BrowseFullAddressSpace found {Count} references on server in {ElapsedMilliseconds} ms.",
referenceDescriptions.Count,
stopWatch.ElapsedMilliseconds);
diff --git a/Applications/ConsoleReferenceClient/generate_user_certificate.ps1 b/Applications/ConsoleReferenceClient/generate_user_certificate.ps1
index ee938f5431..23e8769a63 100644
--- a/Applications/ConsoleReferenceClient/generate_user_certificate.ps1
+++ b/Applications/ConsoleReferenceClient/generate_user_certificate.ps1
@@ -15,6 +15,62 @@ foreach ($d in @($certDir, $privateDir)) {
}
}
+function New-CertificateWithAKI {
+ param(
+ [System.Security.Cryptography.X509Certificates.X509Certificate2] $SourceCert,
+ [string] $HashAlgorithmName = 'SHA256'
+ )
+
+ $hashAlg = [System.Security.Cryptography.HashAlgorithmName]::new($HashAlgorithmName)
+
+ # Determine key type and create CertificateRequest
+ $ecdsa = [System.Security.Cryptography.X509Certificates.ECDsaCertificateExtensions]::GetECDsaPrivateKey($SourceCert)
+ $rsa = [System.Security.Cryptography.X509Certificates.RSACertificateExtensions]::GetRSAPrivateKey($SourceCert)
+
+ if ($ecdsa) {
+ $req = [System.Security.Cryptography.X509Certificates.CertificateRequest]::new(
+ $SourceCert.SubjectName, $ecdsa, $hashAlg)
+ }
+ elseif ($rsa) {
+ $req = [System.Security.Cryptography.X509Certificates.CertificateRequest]::new(
+ $SourceCert.SubjectName, $rsa, $hashAlg,
+ [System.Security.Cryptography.RSASignaturePadding]::Pkcs1)
+ }
+ else {
+ throw "Unsupported key type"
+ }
+
+ # Copy all extensions from source cert
+ foreach ($ext in $SourceCert.Extensions) {
+ $req.CertificateExtensions.Add($ext)
+ }
+
+ # Build Authority Key Identifier from Subject Key Identifier
+ $skiExt = $SourceCert.Extensions | Where-Object {
+ $_ -is [System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension]
+ }
+
+ if ($skiExt) {
+ $hex = $skiExt.SubjectKeyIdentifier
+ $keyIdBytes = [byte[]]::new($hex.Length / 2)
+ for ($i = 0; $i -lt $keyIdBytes.Length; $i++) {
+ $keyIdBytes[$i] = [System.Convert]::ToByte($hex.Substring($i * 2, 2), 16)
+ }
+ # AKI ASN.1: SEQUENCE { [0] IMPLICIT keyIdentifier }
+ # 30 80
+ [byte[]] $akiInner = @(0x80, $keyIdBytes.Length) + $keyIdBytes
+ [byte[]] $akiValue = @(0x30, $akiInner.Length) + $akiInner
+ $akiOid = [System.Security.Cryptography.Oid]::new('2.5.29.35', 'Authority Key Identifier')
+ $akiExt = [System.Security.Cryptography.X509Certificates.X509Extension]::new(
+ $akiOid, $akiValue, $false)
+ $req.CertificateExtensions.Add($akiExt)
+ }
+
+ return $req.CreateSelfSigned(
+ [DateTimeOffset]::new($SourceCert.NotBefore),
+ [DateTimeOffset]::new($SourceCert.NotAfter))
+}
+
# 2. Create a self-signed ECC certificate (NIST P-256)
# $cert = New-SelfSignedCertificate `
# -Subject "CN=iama.tester@example.com" `
@@ -28,36 +84,47 @@ foreach ($d in @($certDir, $privateDir)) {
foreach ($curve in $curves) {
- Write-Host "Generating certificate for curve: $curve"
-
- $signatureAlgorithm = if ($curve -match 'P384') { 'SHA384' } else { 'SHA256' }
+ Write-Host "Generating certificate for curve: $curve"
- # Create certificate parameters and dynamically insert the curve
- $params = @{
- Type = 'Custom'
- Subject = 'CN=iama.tester@example.com'
- TextExtension = @(
- '2.5.29.37={text}1.3.6.1.5.5.7.3.2'
- '2.5.29.17={text}upn=iama.tester@example.com'
- )
- KeyUsage = @('DigitalSignature', 'NonRepudiation')
- KeyAlgorithm = "ECDSA_$curve" # <-- dynamic!
- CurveExport = 'CurveName'
- HashAlgorithm = $signatureAlgorithm
- CertStoreLocation = 'Cert:\CurrentUser\My'
- }
+$signatureAlgorithm = if ($curve -match 'P384') { 'SHA384' } else { 'SHA256' }
- # 1. Create cert
- $cert = New-SelfSignedCertificate @params
+# OIDs for the extensions
+# 2.5.29.14 = Subject Key Identifier
+# 2.5.29.35 = Authority Key Identifier
+# 2.5.29.19 = Basic Constraints (Subject Type=End Entity or CA)
+$name = 'CN=iama.tester@example.com,O=' + $curve;
+
+$params = @{
+ Type = 'Custom'
+ Subject = $name
+ TextExtension = @(
+ '2.5.29.37={text}1.3.6.1.5.5.7.3.2', # Enhanced Key Usage (Client Auth)
+ '2.5.29.17={text}upn=iama.tester@example.com', # SAN
+ '2.5.29.19={text}ca=0' # Basic Constraints: Not a CA
+ )
+ KeyUsage = @('DigitalSignature', 'NonRepudiation') # Added KeyCertSign for self-signed logic
+ KeyAlgorithm = "ECDSA_$curve"
+ CurveExport = 'CurveName'
+ HashAlgorithm = $signatureAlgorithm
+ CertStoreLocation = 'Cert:\CurrentUser\My'
+ NotAfter = (Get-Date).AddYears(2) # Best practice to set an explicit expiry
+}
+
+# 1. Create cert and rebuild with Authority Key Identifier
+$tempCert = New-SelfSignedCertificate @params
+$cert = New-CertificateWithAKI -SourceCert $tempCert -HashAlgorithmName $signatureAlgorithm
+Remove-Item "Cert:\CurrentUser\My\$($tempCert.Thumbprint)" -Force
+
+Write-Host "Certificate generated with Thumbprint: $($cert.Thumbprint)"
# 2. Export DER
$derPath = Join-Path $certDir "iama.tester.$curve.der"
- Export-Certificate -Cert $cert -FilePath $derPath -Type CERT
+ [System.IO.File]::WriteAllBytes($derPath, $cert.RawData)
# 3. Export PFX with password
- $secret = ConvertTo-SecureString -String "password" -Force -AsPlainText
$pfxPath = Join-Path $privateDir "iama.tester.$curve.pfx"
- Export-PfxCertificate -Cert $cert -FilePath $pfxPath -Password $secret
+ $pfxBytes = $cert.Export([System.Security.Cryptography.X509Certificates.X509ContentType]::Pfx, 'password')
+ [System.IO.File]::WriteAllBytes($pfxPath, $pfxBytes)
Write-Host "Finished: $curve`n"
}
@@ -71,13 +138,18 @@ $rsaParams = @{
'2.5.29.37={text}1.3.6.1.5.5.7.3.2'
'2.5.29.17={text}upn=iama.tester@example.com'
)
- KeyUsage = @('DigitalSignature','DataEncipherment','NonRepudiation','KeyEncipherment')
+ KeyUsage = @('DigitalSignature','DataEncipherment','NonRepudiation','KeyEncipherment', 'CertSign')
KeyAlgorithm = 'RSA'
KeyLength = 2048
CertStoreLocation = 'Cert:\CurrentUser\My'
}
-$rsaCert = New-SelfSignedCertificate @rsaParams
+$tempRsaCert = New-SelfSignedCertificate @rsaParams
+$rsaCert = New-CertificateWithAKI -SourceCert $tempRsaCert -HashAlgorithmName 'SHA256'
+Remove-Item "Cert:\CurrentUser\My\$($tempRsaCert.Thumbprint)" -Force
-Export-Certificate -Cert $rsaCert -FilePath (Join-Path $certDir "iama.tester.rsa.der") -Type CERT
-Export-PfxCertificate -Cert $rsaCert -FilePath (Join-Path $privateDir "iama.tester.rsa.pfx") -Password $secret
+$derPath = Join-Path $certDir "iama.tester.rsa.der"
+[System.IO.File]::WriteAllBytes($derPath, $rsaCert.RawData)
+$pfxPath = Join-Path $privateDir "iama.tester.rsa.pfx"
+$pfxBytes = $rsaCert.Export([System.Security.Cryptography.X509Certificates.X509ContentType]::Pfx, 'password')
+[System.IO.File]::WriteAllBytes($pfxPath, $pfxBytes)
diff --git a/Applications/ConsoleReferenceServer/Quickstarts.ReferenceServer.Config.xml b/Applications/ConsoleReferenceServer/Quickstarts.ReferenceServer.Config.xml
index 2f60e9cb95..d3b6a316e6 100644
--- a/Applications/ConsoleReferenceServer/Quickstarts.ReferenceServer.Config.xml
+++ b/Applications/ConsoleReferenceServer/Quickstarts.ReferenceServer.Config.xml
@@ -123,18 +123,6 @@
+
Sign_2
http://opcfoundation.org/UA/SecurityPolicy#ECC_nistP256_AesGcm
@@ -151,6 +141,44 @@
SignAndEncrypt_3
http://opcfoundation.org/UA/SecurityPolicy#ECC_nistP256_AesGcm
+
+
+
Sign_2
http://opcfoundation.org/UA/SecurityPolicy#RSA_DH_AesGcm
@@ -176,64 +214,16 @@
SignAndEncrypt_3
http://opcfoundation.org/UA/SecurityPolicy#RSA_DH_AesGcm
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+-->
None_1
http://opcfoundation.org/UA/SecurityPolicy#None
diff --git a/Libraries/Opc.Ua.Client/Session/Session.cs b/Libraries/Opc.Ua.Client/Session/Session.cs
index 436e57f044..8d3de0c65e 100644
--- a/Libraries/Opc.Ua.Client/Session/Session.cs
+++ b/Libraries/Opc.Ua.Client/Session/Session.cs
@@ -4942,7 +4942,7 @@ namespace Opc.Ua.Client
SecurityPolicies.GetInfo(m_userTokenSecurityPolicyUri),
key.PublicKey);
- m_logger.LogWarning("Updating ServerEphemeralKey: {Key}", CryptoTrace.KeyToString(m_eccServerEphemeralKey.Data));
+ m_logger.LogWarning("Updating ServerEphemeralKey: {Key} bytes", m_eccServerEphemeralKey.Data?.Length ?? 0);
}
}
}
diff --git a/Libraries/Opc.Ua.Server/Server/StandardServer.cs b/Libraries/Opc.Ua.Server/Server/StandardServer.cs
index 0154890748..19296a1fc5 100644
--- a/Libraries/Opc.Ua.Server/Server/StandardServer.cs
+++ b/Libraries/Opc.Ua.Server/Server/StandardServer.cs
@@ -660,7 +660,7 @@ namespace Opc.Ua.Server
Value = new ExtensionObject(key)
});
- m_logger.LogWarning("Returning new EphmeralKey: {PublicKey}.", CryptoTrace.KeyToString(key.PublicKey));
+ m_logger.LogWarning("Returning new EphmeralKey: {PublicKey} bytes.", key.PublicKey?.Length ?? 0);
}
else
{
@@ -700,7 +700,7 @@ namespace Opc.Ua.Server
response.Parameters
.Add(new KeyValuePair { Key = AdditionalParameterNames.ECDHKey, Value = new ExtensionObject(key) });
- m_logger.LogWarning("Returning new EphmeralKey: {PublicKey}.", CryptoTrace.KeyToString(key.PublicKey));
+ m_logger.LogWarning("Returning new EphmeralKey: {PublicKey} bytes.", key.PublicKey?.Length ?? 0);
}
return response;
diff --git a/Stack/Opc.Ua.Core/Security/Certificates/CryptoUtils.cs b/Stack/Opc.Ua.Core/Security/Certificates/CryptoUtils.cs
index cc6e55fa91..98b456e8dd 100644
--- a/Stack/Opc.Ua.Core/Security/Certificates/CryptoUtils.cs
+++ b/Stack/Opc.Ua.Core/Security/Certificates/CryptoUtils.cs
@@ -1215,16 +1215,24 @@ namespace Opc.Ua
///
public static class CryptoTrace
{
+ ///
+ /// Enabled crypto traces to stdout.
+ ///
+ public static bool Enabled { get; set; } = true;
+
///
/// Starts a trace block.
///
public static void Start(ConsoleColor color, string format, params object[] args)
{
#if DEBUG
- Console.ForegroundColor = color;
- Console.Write("============ ");
- Console.Write(format, args);
- Console.WriteLine(" ============");
+ if (Enabled)
+ {
+ Console.ForegroundColor = color;
+ Console.Write("============ ");
+ Console.Write(format, args);
+ Console.WriteLine(" ============");
+ }
#endif
}
@@ -1234,10 +1242,13 @@ namespace Opc.Ua
public static void Finish(string format, params object[] args)
{
#if DEBUG
- Console.Write("============ ");
- Console.Write(format, args);
- Console.WriteLine(" Finished ============");
- Console.ForegroundColor = ConsoleColor.White;
+ if (Enabled)
+ {
+ Console.Write("============ ");
+ Console.Write(format, args);
+ Console.WriteLine(" Finished ============");
+ Console.ForegroundColor = ConsoleColor.White;
+ }
#endif
}
@@ -1247,7 +1258,10 @@ namespace Opc.Ua
public static void Write(string format, params object[] args)
{
#if DEBUG
- Console.Write(format, args);
+ if (Enabled)
+ {
+ Console.Write(format, args);
+ }
#endif
}
@@ -1257,7 +1271,10 @@ namespace Opc.Ua
public static void WriteLine(string format, params object[] args)
{
#if DEBUG
- Console.WriteLine(format, args);
+ if (Enabled)
+ {
+ Console.WriteLine(format, args);
+ }
#endif
}
@@ -1267,13 +1284,20 @@ namespace Opc.Ua
public static string KeyToString(ArraySegment key)
{
#if DEBUG
- byte[] bytes = new byte[key.Count];
- Buffer.BlockCopy(key.Array ?? [], key.Offset, bytes, 0, key.Count);
- return KeyToString(bytes);
+ if (Enabled)
+ {
+ byte[] bytes = new byte[key.Count];
+ Buffer.BlockCopy(key.Array ?? [], key.Offset, bytes, 0, key.Count);
+ return KeyToString(bytes);
+ }
+ else
+ {
+ return String.Empty;
+ }
#else
return String.Empty;
#endif
- }
+ }
///
/// Returns a debug string for a key.
@@ -1281,29 +1305,36 @@ namespace Opc.Ua
public static string KeyToString(byte[] key)
{
#if DEBUG
- if (key == null || key.Length == 0)
+ if (Enabled)
{
- return "Len=0:---";
+ if (key == null || key.Length == 0)
+ {
+ return "Len=0:---";
+ }
+
+ byte checksum = 0;
+
+ foreach (var item in key)
+ {
+ checksum ^= item;
+ }
+
+ if (key.Length <= 16)
+ {
+ return "Len=" + key.Length.ToString(CultureInfo.InvariantCulture) +
+ ":" +
+ Utils.ToHexString(key) +
+ "=>XOR=" +
+ checksum.ToString(CultureInfo.InvariantCulture);
+ }
+
+ var text = Utils.ToHexString(key);
+ return $"Len={key.Length}:{text.Substring(0, 8)}...{text.Substring(text.Length - 8, 8)}=>XOR={checksum}";
}
-
- byte checksum = 0;
-
- foreach (var item in key)
+ else
{
- checksum ^= item;
+ return String.Empty;
}
-
- if (key.Length <= 16)
- {
- return "Len=" + key.Length.ToString(CultureInfo.InvariantCulture) +
- ":" +
- Utils.ToHexString(key) +
- "=>XOR=" +
- checksum.ToString(CultureInfo.InvariantCulture);
- }
-
- var text = Utils.ToHexString(key);
- return $"Len={key.Length}:{text.Substring(0, 8)}...{text.Substring(text.Length - 8, 8)}=>XOR={checksum}";
#else
return String.Empty;
#endif
diff --git a/Stack/Opc.Ua.Core/Security/Certificates/EncryptedSecret.cs b/Stack/Opc.Ua.Core/Security/Certificates/EncryptedSecret.cs
index 21c86173f8..d0cbdf3c35 100644
--- a/Stack/Opc.Ua.Core/Security/Certificates/EncryptedSecret.cs
+++ b/Stack/Opc.Ua.Core/Security/Certificates/EncryptedSecret.cs
@@ -210,6 +210,13 @@ namespace Opc.Ua
encoder.WriteByteString(null, senderCertificate);
encoder.WriteDateTime(null, DateTime.UtcNow);
+ if (ReceiverNonce?.Data == null)
+ {
+ throw new ServiceResultException(
+ StatusCodes.BadArgumentsMissing,
+ $"The receiver did not provide an ephemeral key.");
+ }
+
byte[] senderNonce = SenderNonce.Data;
byte[] receiverNonce = ReceiverNonce.Data;
@@ -241,13 +248,13 @@ namespace Opc.Ua
{
case SymmetricEncryptionAlgorithm.Aes128Cbc:
case SymmetricEncryptionAlgorithm.Aes256Cbc:
- paddingCount = GetPaddingCount(SecurityPolicy.InitializationVectorLength, encoder.Position - startOfSecret);
+ paddingCount = GetPaddingCount(SecurityPolicy.InitializationVectorLength, secret.Length, encoder.Position - startOfSecret);
tagLength = 0;
break;
case SymmetricEncryptionAlgorithm.Aes128Gcm:
case SymmetricEncryptionAlgorithm.Aes256Gcm:
case SymmetricEncryptionAlgorithm.ChaCha20Poly1305:
- paddingCount = GetPaddingCount(encryptingKey.Length, encoder.Position - startOfSecret);
+ paddingCount = GetPaddingCount(16, secret.Length, encoder.Position - startOfSecret);
tagLength = SecurityPolicy.SymmetricSignatureLength;
break;
}
@@ -306,13 +313,18 @@ namespace Opc.Ua
return message;
}
- private int GetPaddingCount(int blockSize, int dataLength)
+ private int GetPaddingCount(int blockSize, int secretLength, int dataLength)
{
- int paddingCount = blockSize - ((dataLength + 2) % blockSize);
+ dataLength += 2; // add padding size
- if (paddingCount == blockSize)
+ int paddingCount =
+ dataLength % blockSize == 0
+ ? 0
+ : blockSize - dataLength % blockSize;
+
+ if (paddingCount + secretLength < blockSize)
{
- paddingCount = 0;
+ paddingCount += blockSize;
}
return paddingCount;
diff --git a/Stack/Opc.Ua.Core/Security/Constants/SecurityPolicies.cs b/Stack/Opc.Ua.Core/Security/Constants/SecurityPolicies.cs
index aab7821d92..afffa7223d 100644
--- a/Stack/Opc.Ua.Core/Security/Constants/SecurityPolicies.cs
+++ b/Stack/Opc.Ua.Core/Security/Constants/SecurityPolicies.cs
@@ -677,6 +677,11 @@ namespace Opc.Ua
securityPolicy.Uri);
}
+ if (securityPolicy.SecureChannelEnhancements)
+ {
+ signatureData.Signature = null;
+ }
+
signatureData.Signature = CryptoUtils.Sign(
new ArraySegment(dataToSign),
localCertificate,
diff --git a/Stack/Opc.Ua.Core/Security/Constants/SecurityPolicyInfo.cs b/Stack/Opc.Ua.Core/Security/Constants/SecurityPolicyInfo.cs
index c5122b7bae..b1a35bae16 100644
--- a/Stack/Opc.Ua.Core/Security/Constants/SecurityPolicyInfo.cs
+++ b/Stack/Opc.Ua.Core/Security/Constants/SecurityPolicyInfo.cs
@@ -113,6 +113,11 @@ namespace Opc.Ua
///
public CertificateKeyAlgorithm EphemeralKeyAlgorithm { get; private set; }
+ ///
+ /// The algorithm used to calculate the thumbprint of the certificate.
+ ///
+ public CertificateThumbprintAlgorithm CertificateThumbprintAlgorithm { get; private set; }
+
///
/// The length, in bytes, of the Nonces used when opening a SecureChannel.
///
@@ -194,13 +199,26 @@ namespace Opc.Ua
CryptoTrace.WriteLine($"ClientChannelCertificate={CryptoTrace.KeyToString(clientChannelCertificate)}");
CryptoTrace.WriteLine($"ClientNonce={CryptoTrace.KeyToString(clientNonce)}");
+ using HashAlgorithm hash = CertificateThumbprintAlgorithm switch
+ {
+ CertificateThumbprintAlgorithm.SHA256 => SHA256.Create(),
+ CertificateThumbprintAlgorithm.SHA384 => SHA384.Create(),
+ CertificateThumbprintAlgorithm.SHA512 => SHA512.Create(),
+ _ => throw new NotSupportedException()
+ };
+
+ var serverCertificateHash = serverCertificate != null ? hash.ComputeHash(serverCertificate) : null;
+ var serverChannelCertificateHash = serverChannelCertificate != null ? hash.ComputeHash(serverChannelCertificate) : null;
+ var clientCertificateHash = clientCertificate != null ? hash.ComputeHash(clientCertificate) : null;
+ var clientChannelCertificateHash = clientChannelCertificate != null ? hash.ComputeHash(clientChannelCertificate) : null;
+
data = Utils.Append(
channelThumbprint,
serverNonce,
- serverCertificate,
- serverChannelCertificate,
- clientCertificate,
- clientChannelCertificate,
+ serverCertificateHash,
+ serverChannelCertificateHash,
+ clientCertificateHash,
+ clientChannelCertificateHash,
clientNonce);
}
else
@@ -240,11 +258,22 @@ namespace Opc.Ua
CryptoTrace.WriteLine($"ClientChannelCertificate={CryptoTrace.KeyToString(clientChannelCertificate)}");
CryptoTrace.WriteLine($"ServerNonce={CryptoTrace.KeyToString(serverNonce)}");
+ using HashAlgorithm hash = CertificateThumbprintAlgorithm switch
+ {
+ CertificateThumbprintAlgorithm.SHA256 => SHA256.Create(),
+ CertificateThumbprintAlgorithm.SHA384 => SHA384.Create(),
+ CertificateThumbprintAlgorithm.SHA512 => SHA512.Create(),
+ _ => throw new NotSupportedException()
+ };
+
+ var serverChannelCertificateHash = serverChannelCertificate != null ? hash.ComputeHash(serverChannelCertificate) : null;
+ var clientChannelCertificateHash = clientChannelCertificate != null ? hash.ComputeHash(clientChannelCertificate) : null;
+
data = Utils.Append(
channelThumbprint,
clientNonce,
- serverChannelCertificate,
- clientChannelCertificate,
+ serverChannelCertificateHash,
+ clientChannelCertificateHash,
serverNonce);
}
else
@@ -285,12 +314,24 @@ namespace Opc.Ua
CryptoTrace.WriteLine($"ClientChannelCertificate={CryptoTrace.KeyToString(clientChannelCertificate)}");
CryptoTrace.WriteLine($"ClientNonce={CryptoTrace.KeyToString(clientNonce)}");
+ using HashAlgorithm hash = CertificateThumbprintAlgorithm switch
+ {
+ CertificateThumbprintAlgorithm.SHA256 => SHA256.Create(),
+ CertificateThumbprintAlgorithm.SHA384 => SHA384.Create(),
+ CertificateThumbprintAlgorithm.SHA512 => SHA512.Create(),
+ _ => throw new NotSupportedException()
+ };
+
+ var serverCertificateHash = serverCertificate != null ? hash.ComputeHash(serverCertificate) : null;
+ var serverChannelCertificateHash = serverChannelCertificate != null ? hash.ComputeHash(serverChannelCertificate) : null;
+ var clientChannelCertificateHash = clientChannelCertificate != null ? hash.ComputeHash(clientChannelCertificate) : null;
+
data = Utils.Append(
channelThumbprint,
serverNonce,
- serverCertificate,
- serverChannelCertificate,
- clientChannelCertificate,
+ serverCertificateHash,
+ serverChannelCertificateHash,
+ clientChannelCertificateHash,
clientNonce);
}
else
@@ -350,7 +391,7 @@ namespace Opc.Ua
MinAsymmetricKeyLength = 0,
MaxAsymmetricKeyLength = 0,
SecureChannelNonceLength = 32,
- LegacySequenceNumbers = false,
+ LegacySequenceNumbers = true,
AsymmetricEncryptionAlgorithm = AsymmetricEncryptionAlgorithm.None,
AsymmetricSignatureAlgorithm = AsymmetricSignatureAlgorithm.None,
CertificateKeyFamily = CertificateKeyFamily.None,
@@ -360,7 +401,8 @@ namespace Opc.Ua
KeyDerivationAlgorithm = KeyDerivationAlgorithm.None,
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.None,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.None,
- SecureChannelEnhancements = false
+ SecureChannelEnhancements = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA1
};
///
@@ -386,7 +428,8 @@ namespace Opc.Ua
KeyDerivationAlgorithm = KeyDerivationAlgorithm.PSha1,
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes128Cbc,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.HmacSha1,
- IsDeprecated = true
+ IsDeprecated = true,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA1
};
///
@@ -412,7 +455,8 @@ namespace Opc.Ua
KeyDerivationAlgorithm = KeyDerivationAlgorithm.PSha1,
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes256Cbc,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.HmacSha1,
- IsDeprecated = true
+ IsDeprecated = true,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA1
};
///
@@ -437,7 +481,8 @@ namespace Opc.Ua
KeyDerivationAlgorithm = KeyDerivationAlgorithm.PSha256,
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes256Cbc,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.HmacSha256,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA1
};
///
@@ -462,7 +507,8 @@ namespace Opc.Ua
EphemeralKeyAlgorithm = CertificateKeyAlgorithm.None,
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes256Cbc,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.HmacSha256,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA1
};
///
@@ -487,7 +533,8 @@ namespace Opc.Ua
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.HmacSha256,
InitializationVectorLength = 128 / 8,
SymmetricSignatureLength = 256 / 8,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA1
};
///
@@ -513,7 +560,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.ChaCha20Poly1305,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.ChaCha20Poly1305,
SecureChannelEnhancements = false,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -539,7 +587,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes128Gcm,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.Aes128Gcm,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -565,7 +614,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.ChaCha20Poly1305,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.ChaCha20Poly1305,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -591,7 +641,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.ChaCha20Poly1305,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.ChaCha20Poly1305,
SecureChannelEnhancements = false,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA384
};
///
@@ -617,7 +668,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes128Gcm,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.Aes128Gcm,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA384
};
///
@@ -643,7 +695,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.ChaCha20Poly1305,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.ChaCha20Poly1305,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA384
};
///
@@ -669,7 +722,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes128Cbc,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.HmacSha256,
SecureChannelEnhancements = false,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -695,7 +749,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes128Gcm,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.Aes128Gcm,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -721,7 +776,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.ChaCha20Poly1305,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.ChaCha20Poly1305,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -747,7 +803,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes256Cbc,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.HmacSha384,
SecureChannelEnhancements = false,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA384
};
///
@@ -773,7 +830,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes128Gcm,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.Aes128Gcm,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA384
};
///
@@ -799,7 +857,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.ChaCha20Poly1305,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.ChaCha20Poly1305,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA384
};
///
@@ -825,7 +884,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes128Cbc,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.HmacSha256,
SecureChannelEnhancements = false,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -851,7 +911,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes128Gcm,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.Aes128Gcm,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -877,7 +938,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.ChaCha20Poly1305,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.ChaCha20Poly1305,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -903,7 +965,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes256Cbc,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.HmacSha384,
SecureChannelEnhancements = false,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA384
};
///
@@ -929,7 +992,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes256Gcm,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.Aes256Gcm,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA384
};
///
@@ -955,7 +1019,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.ChaCha20Poly1305,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.ChaCha20Poly1305,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA384
};
///
@@ -981,7 +1046,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.Aes128Gcm,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.Aes128Gcm,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
///
@@ -1007,7 +1073,8 @@ namespace Opc.Ua
SymmetricEncryptionAlgorithm = SymmetricEncryptionAlgorithm.ChaCha20Poly1305,
SymmetricSignatureAlgorithm = SymmetricSignatureAlgorithm.ChaCha20Poly1305,
SecureChannelEnhancements = true,
- IsDeprecated = false
+ IsDeprecated = false,
+ CertificateThumbprintAlgorithm = CertificateThumbprintAlgorithm.SHA256
};
}
@@ -1272,4 +1339,30 @@ namespace Opc.Ua
///
Aes256Gcm
}
+
+ ///
+ /// The algorithm used to generate certificate thumbprints.
+ ///
+ public enum CertificateThumbprintAlgorithm
+ {
+ ///
+ /// The SHA1 algorithm. This algorithm is considered insecure.
+ ///
+ SHA1,
+
+ ///
+ /// The SHA256 algorithm.
+ ///
+ SHA256,
+
+ ///
+ /// The SHA384 algorithm.
+ ///
+ SHA384,
+
+ ///
+ /// The SHA512 algorithm.
+ ///
+ SHA512
+ }
}
diff --git a/Stack/Opc.Ua.Core/Stack/Tcp/TcpServerChannel.cs b/Stack/Opc.Ua.Core/Stack/Tcp/TcpServerChannel.cs
index f306901e0c..0172f581a4 100644
--- a/Stack/Opc.Ua.Core/Stack/Tcp/TcpServerChannel.cs
+++ b/Stack/Opc.Ua.Core/Stack/Tcp/TcpServerChannel.cs
@@ -697,6 +697,12 @@ namespace Opc.Ua.Bindings
token = CreateToken();
token.TokenId = GetNewTokenId();
token.ServerNonce = CreateNonce(ServerCertificate);
+
+ CryptoTrace.Start(ConsoleColor.Red, $"PreviousSecret");
+ CryptoTrace.WriteLine($"PreviousSecret={CryptoTrace.KeyToString(token.PreviousSecret)}");
+ CryptoTrace.WriteLine($"CurrentSecret={CryptoTrace.KeyToString(CurrentToken?.Secret)}");
+ CryptoTrace.Finish($"PreviousSecret");
+
token.PreviousSecret = CurrentToken?.Secret;
// check the client nonce.