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Imported Upstream version 5.2.0.175

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Former-commit-id: bb0468d0f257ff100aa895eb5fe583fb5dfbf900
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2017-06-07 13:16:24 +00:00
parent 4bdbaf4a88
commit 966bba02bb
8776 changed files with 346420 additions and 149650 deletions
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50
mcs/class/System.Security/System.Security.Cryptography.Xml/SignedXml.cs
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@ -624,34 +624,36 @@ namespace System.Security.Cryptography.Xml {
public void ComputeSignature ()
{
if (key != null) {
if (m_signature.SignedInfo.SignatureMethod == null)
// required before hashing
m_signature.SignedInfo.SignatureMethod = key.SignatureAlgorithm;
else if (m_signature.SignedInfo.SignatureMethod != key.SignatureAlgorithm)
throw new CryptographicException ("Specified SignatureAlgorithm is not supported by the signing key.");
DigestReferences ();
DigestReferences ();
AsymmetricSignatureFormatter signer = null;
// in need for a CryptoConfig factory
if (key is DSA)
signer = new DSASignatureFormatter (key);
else if (key is RSA)
signer = new RSAPKCS1SignatureFormatter (key);
if (key == null)
throw new CryptographicException (SR.Cryptography_Xml_LoadKeyFailed);
if (signer != null) {
SignatureDescription sd = (SignatureDescription) CryptoConfig.CreateFromName (m_signature.SignedInfo.SignatureMethod);
HashAlgorithm hash = GetHash (sd.DigestAlgorithm, false);
// get the hash of the C14N SignedInfo element
byte[] digest = hash.ComputeHash (SignedInfoTransformed ());
signer.SetHashAlgorithm ("SHA1");
m_signature.SignatureValue = signer.CreateSignature (digest);
// Check the signature algorithm associated with the key so that we can accordingly set the signature method
if (SignedInfo.SignatureMethod == null) {
if (key is DSA) {
SignedInfo.SignatureMethod = XmlDsigDSAUrl;
} else if (key is RSA) {
// Default to RSA-SHA1
SignedInfo.SignatureMethod = XmlDsigRSASHA1Url;
} else {
throw new CryptographicException (SR.Cryptography_Xml_CreatedKeyFailed);
}
}
else
throw new CryptographicException ("signing key is not specified");
// See if there is a signature description class defined in the Config file
SignatureDescription signatureDescription = CryptoConfig.CreateFromName (SignedInfo.SignatureMethod) as SignatureDescription;
if (signatureDescription == null)
throw new CryptographicException (SR.Cryptography_Xml_SignatureDescriptionNotCreated);
HashAlgorithm hashAlg = signatureDescription.CreateDigest ();
if (hashAlg == null)
throw new CryptographicException (SR.Cryptography_Xml_CreateHashAlgorithmFailed);
byte[] hashvalue = hashAlg.ComputeHash (SignedInfoTransformed ());
AsymmetricSignatureFormatter asymmetricSignatureFormatter = signatureDescription.CreateFormatter (key);
m_signature.SignatureValue = asymmetricSignatureFormatter.CreateSignature (hashAlg);
}
public void ComputeSignature (KeyedHashAlgorithm macAlg)