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Remove dead code. #4397

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Oct 16, 2020
Merged

Remove dead code. #4397

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66 changes: 0 additions & 66 deletions src/System.Private.ServiceModel/src/System/ServiceModel/Security/WSTrust.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,6 @@
using System.Globalization;
using System.Xml;
using System.Runtime;
using System.Security.Cryptography;
using System.IdentityModel.Policy;
using System.IdentityModel.Selectors;
using System.IdentityModel.Tokens;
Expand Down Expand Up @@ -1265,71 +1264,6 @@ private static void ValidateRequestorEntropy(SecurityToken entropy, SecurityKeyE
throw DiagnosticUtility.ExceptionUtility.ThrowHelperWarning(new InvalidOperationException(SR.Format(SR.EntropyModeCannotHaveRequestorEntropy, mode)));
}
}

internal static void ProcessRstAndIssueKey(RequestSecurityToken requestSecurityToken, SecurityTokenResolver resolver, SecurityKeyEntropyMode keyEntropyMode, SecurityAlgorithmSuite algorithmSuite, out int issuedKeySize, out byte[] issuerEntropy, out byte[] proofKey,
out SecurityToken proofToken)
{
SecurityToken requestorEntropyToken = requestSecurityToken.GetRequestorEntropy(resolver);
ValidateRequestorEntropy(requestorEntropyToken, keyEntropyMode);
byte[] requestorEntropy;
if (requestorEntropyToken != null)
{
if (requestorEntropyToken is BinarySecretSecurityToken)
{
BinarySecretSecurityToken skToken = (BinarySecretSecurityToken)requestorEntropyToken;
requestorEntropy = skToken.GetKeyBytes();
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperWarning(new InvalidOperationException(SR.Format(SR.TokenCannotCreateSymmetricCrypto, requestorEntropyToken)));
}
}
else
{
requestorEntropy = null;
}

if (keyEntropyMode == SecurityKeyEntropyMode.ClientEntropy)
{
if (requestorEntropy != null)
{
// validate that the entropy length matches the algorithm suite
ValidateRequestedKeySize(requestorEntropy.Length * 8, algorithmSuite);
}
proofKey = requestorEntropy;
issuerEntropy = null;
issuedKeySize = 0;
proofToken = null;
}
else
{
if (requestSecurityToken.KeySize != 0)
{
ValidateRequestedKeySize(requestSecurityToken.KeySize, algorithmSuite);
issuedKeySize = requestSecurityToken.KeySize;
}
else
{
issuedKeySize = algorithmSuite.DefaultSymmetricKeyLength;
}
RNGCryptoServiceProvider random = new RNGCryptoServiceProvider();
if (keyEntropyMode == SecurityKeyEntropyMode.ServerEntropy)
{
proofKey = new byte[issuedKeySize / 8];
// proof key is completely issued by the server
random.GetNonZeroBytes(proofKey);
issuerEntropy = null;
proofToken = new BinarySecretSecurityToken(proofKey);
}
else
{
issuerEntropy = new byte[issuedKeySize / 8];
random.GetNonZeroBytes(issuerEntropy);
proofKey = RequestSecurityTokenResponse.ComputeCombinedKey(requestorEntropy, issuerEntropy, issuedKeySize);
proofToken = null;
}
}
}
}
}
}