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/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / ManagedLibraries / Security / System / Security / Cryptography / Pkcs / Pkcs7Recipient.cs / 1305376 / Pkcs7Recipient.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // Pkcs7Recipient.cs // namespace System.Security.Cryptography.Pkcs { using System.Collections; using System.Runtime.InteropServices; using System.Security.Cryptography.X509Certificates; [System.Security.Permissions.HostProtection(MayLeakOnAbort = true)] public sealed class CmsRecipient { private SubjectIdentifierType m_recipientIdentifierType; private X509Certificate2 m_certificate; // // Constructors. // private CmsRecipient () {} public CmsRecipient (X509Certificate2 certificate):this(SubjectIdentifierType.IssuerAndSerialNumber, certificate){} public CmsRecipient (SubjectIdentifierType recipientIdentifierType, X509Certificate2 certificate) { Reset(recipientIdentifierType, certificate); } // // Public APIs. // public SubjectIdentifierType RecipientIdentifierType { get { return m_recipientIdentifierType; } } public X509Certificate2 Certificate { get { return m_certificate; } } // // Private methods. // private void Reset (SubjectIdentifierType recipientIdentifierType, X509Certificate2 certificate) { if (certificate == null) throw new ArgumentNullException("certificate"); switch (recipientIdentifierType) { case SubjectIdentifierType.Unknown: recipientIdentifierType = SubjectIdentifierType.IssuerAndSerialNumber; break; case SubjectIdentifierType.IssuerAndSerialNumber: break; case SubjectIdentifierType.SubjectKeyIdentifier: if (!PkcsUtils.CmsSupported()) throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Not_Supported")); break; default: throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Invalid_Subject_Identifier_Type"), recipientIdentifierType.ToString()); } m_recipientIdentifierType = recipientIdentifierType; m_certificate = certificate; } } [System.Security.Permissions.HostProtection(MayLeakOnAbort = true)] public sealed class CmsRecipientCollection : ICollection { private ArrayList m_recipients; public CmsRecipientCollection () { m_recipients = new ArrayList(); } public CmsRecipientCollection (CmsRecipient recipient) { m_recipients = new ArrayList(1); m_recipients.Add(recipient); } public CmsRecipientCollection (SubjectIdentifierType recipientIdentifierType, X509Certificate2Collection certificates) { m_recipients = new ArrayList(certificates.Count); for (int index = 0; index < certificates.Count; index++) { m_recipients.Add(new CmsRecipient(recipientIdentifierType, certificates[index])); } } public CmsRecipient this[int index] { get { if (index < 0 || index >= m_recipients.Count) throw new ArgumentOutOfRangeException("index", SecurityResources.GetResourceString("ArgumentOutOfRange_Index")); return (CmsRecipient) m_recipients[index]; } } public int Count { get { return m_recipients.Count; } } public int Add (CmsRecipient recipient) { if (recipient == null) throw new ArgumentNullException("recipient"); return m_recipients.Add(recipient); } public void Remove(CmsRecipient recipient) { if (recipient == null) throw new ArgumentNullException("recipient"); m_recipients.Remove(recipient); } public CmsRecipientEnumerator GetEnumerator() { return new CmsRecipientEnumerator(this); } ///IEnumerator IEnumerable.GetEnumerator() { return new CmsRecipientEnumerator(this); } public void CopyTo(Array array, int index) { if (array == null) throw new ArgumentNullException("array"); if (array.Rank != 1) throw new ArgumentException(SecurityResources.GetResourceString("Arg_RankMultiDimNotSupported")); if (index < 0 || index >= array.Length) throw new ArgumentOutOfRangeException("index", SecurityResources.GetResourceString("ArgumentOutOfRange_Index")); if (index + this.Count > array.Length) throw new ArgumentException(SecurityResources.GetResourceString("Argument_InvalidOffLen")); for (int i=0; i < this.Count; i++) { array.SetValue(this[i], index); index++; } } public void CopyTo(CmsRecipient[] array, int index) { ((ICollection)this).CopyTo(array, index); } public bool IsSynchronized { get { return false; } } public Object SyncRoot { get { return this; } } } [System.Security.Permissions.HostProtection(MayLeakOnAbort = true)] public sealed class CmsRecipientEnumerator : IEnumerator { private CmsRecipientCollection m_recipients; private int m_current; private CmsRecipientEnumerator() {} internal CmsRecipientEnumerator(CmsRecipientCollection recipients) { m_recipients = recipients; m_current = -1; } public CmsRecipient Current { get { return (CmsRecipient) m_recipients[m_current]; } } /// Object IEnumerator.Current { get { return (Object) m_recipients[m_current]; } } public bool MoveNext() { if (m_current == ((int) m_recipients.Count - 1)) return false; m_current++; return true; } public void Reset() { m_current = -1; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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