Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Security / Cryptography / RSAOAEPKeyExchangeFormatter.cs / 1305376 / RSAOAEPKeyExchangeFormatter.cs
using System.Diagnostics.Contracts; // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== //[....] // namespace System.Security.Cryptography { [System.Runtime.InteropServices.ComVisible(true)] public class RSAOAEPKeyExchangeFormatter : AsymmetricKeyExchangeFormatter { private byte[] ParameterValue; private RSA _rsaKey; private RandomNumberGenerator RngValue; // // public constructors // public RSAOAEPKeyExchangeFormatter() {} public RSAOAEPKeyExchangeFormatter(AsymmetricAlgorithm key) { if (key == null) throw new ArgumentNullException("key"); Contract.EndContractBlock(); _rsaKey = (RSA) key; } // // public properties // ///public byte[] Parameter { get { if (ParameterValue != null) return (byte[]) ParameterValue.Clone(); return null; } set { if (value != null) ParameterValue = (byte[]) value.Clone(); else ParameterValue = null; } } /// public override String Parameters { get { return null; } } public RandomNumberGenerator Rng { get { return RngValue; } set { RngValue = value; } } // // public methods // public override void SetKey(AsymmetricAlgorithm key) { if (key == null) throw new ArgumentNullException("key"); Contract.EndContractBlock(); _rsaKey = (RSA) key; } [System.Security.SecuritySafeCritical] // auto-generated public override byte[] CreateKeyExchange(byte[] rgbData) { if (_rsaKey == null) throw new CryptographicUnexpectedOperationException(Environment.GetResourceString("Cryptography_MissingKey")); if (_rsaKey is RSACryptoServiceProvider) { return ((RSACryptoServiceProvider) _rsaKey).Encrypt(rgbData, true); } else { return Utils.RsaOaepEncrypt(_rsaKey, SHA1.Create(), new PKCS1MaskGenerationMethod(), RandomNumberGenerator.Create(), rgbData); } } public override byte[] CreateKeyExchange(byte[] rgbData, Type symAlgType) { return CreateKeyExchange(rgbData); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- BamlReader.cs
- SqlInternalConnectionSmi.cs
- WindowsSlider.cs
- ConfigurationManagerInternalFactory.cs
- XmlSchemaObjectTable.cs
- UdpRetransmissionSettings.cs
- NativeObjectSecurity.cs
- ProvidersHelper.cs
- StyleCollection.cs
- MobileControlDesigner.cs
- QueryOptionExpression.cs
- HMACSHA256.cs
- CodeObjectCreateExpression.cs
- AttributeQuery.cs
- Compilation.cs
- AsyncResult.cs
- AdornerPresentationContext.cs
- WeakHashtable.cs
- StructuralCache.cs
- XmlTextWriter.cs
- PersonalizationStateInfoCollection.cs
- DataReaderContainer.cs
- DesignerAdRotatorAdapter.cs
- BaseDataListComponentEditor.cs
- HwndProxyElementProvider.cs
- MenuItem.cs
- LeftCellWrapper.cs
- Code.cs
- CachedPathData.cs
- DrawListViewItemEventArgs.cs
- COM2Properties.cs
- ToolZone.cs
- DrawingAttributes.cs
- SrgsDocument.cs
- BinaryMethodMessage.cs
- ErrorEventArgs.cs
- ColumnClickEvent.cs
- DataGridViewTopLeftHeaderCell.cs
- ListItemCollection.cs
- SubMenuStyle.cs
- EditorZone.cs
- ConvertersCollection.cs
- DataRelationCollection.cs
- CubicEase.cs
- DataGridViewDataErrorEventArgs.cs
- NumberFunctions.cs
- CodeChecksumPragma.cs
- VerticalAlignConverter.cs
- MultiDataTrigger.cs
- TextDecorations.cs
- COM2TypeInfoProcessor.cs
- RawStylusInputCustomDataList.cs
- StrokeDescriptor.cs
- PanelContainerDesigner.cs
- FormViewCommandEventArgs.cs
- UnsafeMethods.cs
- XmlSchemaInfo.cs
- Keyboard.cs
- ArgumentOutOfRangeException.cs
- PhysicalFontFamily.cs
- KeyValueConfigurationElement.cs
- SplashScreenNativeMethods.cs
- FlowDocumentReaderAutomationPeer.cs
- httpapplicationstate.cs
- TableCell.cs
- WebPartVerbsEventArgs.cs
- MetadataSource.cs
- DetailsViewInsertedEventArgs.cs
- InternalBufferOverflowException.cs
- HttpRequestContext.cs
- SystemIPGlobalProperties.cs
- UnSafeCharBuffer.cs
- ApplicationSettingsBase.cs
- QueryAsyncResult.cs
- X509UI.cs
- EndEvent.cs
- QueryExpression.cs
- OperationCanceledException.cs
- AppSettingsExpressionBuilder.cs
- MessageDecoder.cs
- PcmConverter.cs
- IInstanceTable.cs
- NameValueFileSectionHandler.cs
- StylusPointPropertyInfo.cs
- Asn1IntegerConverter.cs
- HttpDictionary.cs
- LineGeometry.cs
- DotAtomReader.cs
- TypeDelegator.cs
- SessionStateUtil.cs
- UriExt.cs
- IncrementalHitTester.cs
- SemanticValue.cs
- CompiledELinqQueryState.cs
- Button.cs
- SmiContextFactory.cs
- DataGridViewBand.cs
- AssemblyName.cs
- Storyboard.cs
- CFStream.cs