public void DecryptData_CipherReference_InvalidUri() { XmlDocument doc = new XmlDocument(); doc.PreserveWhitespace = true; string xml = "<root> <child>sample</child> </root>"; doc.LoadXml(xml); var random = new SecureRandom(); var ivdata = new byte[128 / 8]; var keydata = new byte[256 / 8]; random.NextBytes(ivdata); random.NextBytes(keydata); var param = new ParametersWithIV(new KeyParameter(keydata), ivdata); XmlEncryption exml = new XmlEncryption(); XmlDecryption dexml = new XmlDecryption(); exml.AddKeyNameMapping("aes", param); EncryptedData ed = exml.Encrypt(doc.DocumentElement, "aes"); ed.CipherData = new CipherData(); ed.CipherData.CipherReference = new CipherReference("invaliduri"); Action decrypt = () => dexml.DecryptData(ed, param); Assert.Throws <System.Security.Cryptography.CryptographicException>(decrypt); }
public void Encrypt_DecryptDocument_AES() { XmlDocument doc = new XmlDocument(); doc.PreserveWhitespace = true; string xml = "<root> <child>sample</child> </root>"; doc.LoadXml(xml); var aes = CipherUtilities.GetCipher("AES/CBC/ZEROBYTEPADDING"); var random = new SecureRandom(); var ivdata = new byte[128 / 8]; var keydata = new byte[256 / 8]; random.NextBytes(ivdata); random.NextBytes(keydata); var param = new ParametersWithIV(new KeyParameter(keydata), ivdata); XmlEncryption exml = new XmlEncryption(); exml.AddKeyNameMapping("aes", param); EncryptedData ed = exml.Encrypt(doc.DocumentElement, "aes"); doc.LoadXml(ed.GetXml().OuterXml); XmlDecryption exmlDecryptor = new XmlDecryption(doc); exmlDecryptor.AddKeyNameMapping("aes", param); exmlDecryptor.DecryptDocument(); Assert.Equal(xml, doc.OuterXml); }
public void AddKeyNameMapping_KeyNameNull() { XmlEncryption exml = new XmlEncryption(); var random = new SecureRandom(); var ivdata = new byte[128 / 8]; var keydata = new byte[256 / 8]; random.NextBytes(ivdata); random.NextBytes(keydata); var param = new ParametersWithIV(new KeyParameter(keydata), ivdata); Assert.Throws <ArgumentNullException>(() => exml.AddKeyNameMapping(null, param)); }
private void CheckEncryptionMethod(object algorithm, string uri) { XmlDocument doc = new XmlDocument(); doc.LoadXml("<root />"); XmlEncryption exml = new XmlEncryption(); exml.AddKeyNameMapping("key", algorithm); EncryptedData edata = exml.Encrypt(doc.DocumentElement, "key"); IEnumerator keyInfoEnum = edata.KeyInfo.GetEnumerator(); keyInfoEnum.MoveNext(); KeyInfoEncryptedKey kiEncKey = keyInfoEnum.Current as KeyInfoEncryptedKey; Assert.NotNull(edata); Assert.Equal(uri, XmlNameSpace.Url[kiEncKey.GetEncryptedKey().EncryptionMethod.KeyAlgorithm]); Assert.NotNull(edata.CipherData.CipherValue); }
private XmlDocument GetTransformedOutput(XmlDocument doc, string nodeToEncrypt) { var aes = CipherUtilities.GetCipher("AES/CBC/PKCS7"); var random = new SecureRandom(); var keyData = new byte[aes.GetBlockSize()]; var ivData = new byte[aes.GetBlockSize()]; random.NextBytes(ivData); random.NextBytes(keyData); var key = new ParametersWithIV(new KeyParameter(keyData), ivData); var encryptedXml = new XmlEncryption(); encryptedXml.AddKeyNameMapping("aes", key); XmlElement elementToEncrypt = (XmlElement)doc.DocumentElement.SelectSingleNode(nodeToEncrypt); EncryptedData encryptedData = encryptedXml.Encrypt(elementToEncrypt, "aes"); XmlDecryption.ReplaceElement(elementToEncrypt, encryptedData, false); XmlNamespaceManager xmlNamespaceManager = new XmlNamespaceManager(doc.NameTable); xmlNamespaceManager.AddNamespace("enc", XmlNameSpace.Url[NS.XmlEncNamespaceUrl]); XmlElement encryptedNode = (XmlElement)doc.DocumentElement.SelectSingleNode("//enc:EncryptedData", xmlNamespaceManager); encryptedNode.SetAttribute("ID", "#_0"); transform.LoadInput(doc); var dencryptedXml = new XmlDecryption(); dencryptedXml.AddKeyNameMapping("aes", key); transform.XmlDecryption = dencryptedXml; XmlDocument transformedDocument = (XmlDocument)transform.GetOutput(); transform.XmlDecryption = null; return(transformedDocument); }
public void PropagatedNamespaces_XmlDecryptionTransform(bool addPropagatedNamespace, string expectedResult) { XmlDocument baseDocument = new XmlDocument(); baseDocument.LoadXml("<a><b><c xmlns=\"urn:foo\"/></b></a>"); var aes = CipherUtilities.GetCipher("AES/CBC/PKCS7"); var random = new SecureRandom(); var keyData = new byte[aes.GetBlockSize()]; var ivData = new byte[aes.GetBlockSize()]; random.NextBytes(ivData); random.NextBytes(keyData); var key = new ParametersWithIV(new KeyParameter(keyData), ivData); XmlEncryption encryptedXml = new XmlEncryption(baseDocument); XmlDecryption decryptedXml = new XmlDecryption(baseDocument); encryptedXml.AddKeyNameMapping("key", key); decryptedXml.AddKeyNameMapping("key", key); XmlElement bElement = (XmlElement)baseDocument.DocumentElement.SelectSingleNode("b"); EncryptedData encryptedData = encryptedXml.Encrypt(bElement, "key"); XmlDecryption.ReplaceElement(bElement, encryptedData, false); XmlDecryptionTransform decryptionTransform = new XmlDecryptionTransform(); decryptionTransform.XmlDecryption = decryptedXml; decryptionTransform.LoadInput(baseDocument); if (addPropagatedNamespace) { decryptionTransform.PropagatedNamespaces.Add("f", "urn:foo"); } XmlDocument decryptedDocument = (XmlDocument)decryptionTransform.GetOutput(typeof(XmlDocument)); Assert.Equal(expectedResult, decryptedDocument.OuterXml); }
public void AddKeyNameMapping_KeyObjectWrongType() { XmlEncryption exml = new XmlEncryption(); Assert.Throws <System.Security.Cryptography.CryptographicException>(() => exml.AddKeyNameMapping("string", "")); }
public void AddKeyNameMapping_KeyObjectNull() { XmlEncryption exml = new XmlEncryption(); Assert.Throws <ArgumentNullException>(() => exml.AddKeyNameMapping("no_object", null)); }