Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Security / Policy / Publisher.cs / 1305376 / Publisher.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== //[....] // // // Publisher.cs // // Publisher is an IIdentity representing internet sites. // namespace System.Security.Policy { using System.Runtime.Remoting; using System; using System.IO; using System.Security.Util; using System.Collections; using PublisherIdentityPermission = System.Security.Permissions.PublisherIdentityPermission; using System.Security.Cryptography.X509Certificates; using System.Diagnostics.Contracts; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] sealed public class Publisher : EvidenceBase, IIdentityPermissionFactory { private X509Certificate m_cert; public Publisher(X509Certificate cert) { if (cert == null) throw new ArgumentNullException("cert"); Contract.EndContractBlock(); m_cert = cert; } public IPermission CreateIdentityPermission( Evidence evidence ) { return new PublisherIdentityPermission( m_cert ); } // Two Publisher objects are equal if the public keys contained within their certificates // are equal. The certs themselves may be different... public override bool Equals(Object o) { Publisher that = (o as Publisher); return (that != null && PublicKeyEquals( this.m_cert, that.m_cert )); } // Checks if two certificates have the same public key, keyalg, and keyparam. internal static bool PublicKeyEquals( X509Certificate cert1, X509Certificate cert2 ) { if (cert1 == null) { return (cert2 == null); } else if (cert2 == null) { return false; } byte[] publicKey1 = cert1.GetPublicKey(); String keyAlg1 = cert1.GetKeyAlgorithm(); byte[] keyAlgParam1 = cert1.GetKeyAlgorithmParameters(); byte[] publicKey2 = cert2.GetPublicKey(); String keyAlg2 = cert2.GetKeyAlgorithm(); byte[] keyAlgParam2 = cert2.GetKeyAlgorithmParameters(); // Keys are most likely to be different of the three components, // so check them first int len = publicKey1.Length; if (len != publicKey2.Length) return(false); for (int i = 0; i < len; i++) { if (publicKey1[i] != publicKey2[i]) return(false); } if (!(keyAlg1.Equals(keyAlg2))) return(false); len = keyAlgParam1.Length; if (keyAlgParam2.Length != len) return(false); for (int i = 0; i < len; i++) { if (keyAlgParam1[i] != keyAlgParam2[i]) return(false); } return true; } public override int GetHashCode() { return m_cert.GetHashCode(); } public X509Certificate Certificate { get { return new X509Certificate(m_cert); } } public override EvidenceBase Clone() { return new Publisher(m_cert); } public object Copy() { return Clone(); } internal SecurityElement ToXml() { SecurityElement elem = new SecurityElement( "System.Security.Policy.Publisher" ); // If you hit this assert then most likely you are trying to change the name of this class. // This is ok as long as you change the hard coded string above and change the assert below. Contract.Assert( this.GetType().FullName.Equals( "System.Security.Policy.Publisher" ), "Class name changed!" ); elem.AddAttribute( "version", "1" ); elem.AddChild( new SecurityElement( "X509v3Certificate", m_cert != null ? m_cert.GetRawCertDataString() : "" ) ); return elem; } public override String ToString() { return ToXml().ToString(); } // INormalizeForIsolatedStorage is not implemented for startup perf // equivalent to INormalizeForIsolatedStorage.Normalize() internal Object Normalize() { MemoryStream ms = new MemoryStream(m_cert.GetRawCertData()); ms.Position = 0; return ms; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== //[....] // // // Publisher.cs // // Publisher is an IIdentity representing internet sites. // namespace System.Security.Policy { using System.Runtime.Remoting; using System; using System.IO; using System.Security.Util; using System.Collections; using PublisherIdentityPermission = System.Security.Permissions.PublisherIdentityPermission; using System.Security.Cryptography.X509Certificates; using System.Diagnostics.Contracts; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] sealed public class Publisher : EvidenceBase, IIdentityPermissionFactory { private X509Certificate m_cert; public Publisher(X509Certificate cert) { if (cert == null) throw new ArgumentNullException("cert"); Contract.EndContractBlock(); m_cert = cert; } public IPermission CreateIdentityPermission( Evidence evidence ) { return new PublisherIdentityPermission( m_cert ); } // Two Publisher objects are equal if the public keys contained within their certificates // are equal. The certs themselves may be different... public override bool Equals(Object o) { Publisher that = (o as Publisher); return (that != null && PublicKeyEquals( this.m_cert, that.m_cert )); } // Checks if two certificates have the same public key, keyalg, and keyparam. internal static bool PublicKeyEquals( X509Certificate cert1, X509Certificate cert2 ) { if (cert1 == null) { return (cert2 == null); } else if (cert2 == null) { return false; } byte[] publicKey1 = cert1.GetPublicKey(); String keyAlg1 = cert1.GetKeyAlgorithm(); byte[] keyAlgParam1 = cert1.GetKeyAlgorithmParameters(); byte[] publicKey2 = cert2.GetPublicKey(); String keyAlg2 = cert2.GetKeyAlgorithm(); byte[] keyAlgParam2 = cert2.GetKeyAlgorithmParameters(); // Keys are most likely to be different of the three components, // so check them first int len = publicKey1.Length; if (len != publicKey2.Length) return(false); for (int i = 0; i < len; i++) { if (publicKey1[i] != publicKey2[i]) return(false); } if (!(keyAlg1.Equals(keyAlg2))) return(false); len = keyAlgParam1.Length; if (keyAlgParam2.Length != len) return(false); for (int i = 0; i < len; i++) { if (keyAlgParam1[i] != keyAlgParam2[i]) return(false); } return true; } public override int GetHashCode() { return m_cert.GetHashCode(); } public X509Certificate Certificate { get { return new X509Certificate(m_cert); } } public override EvidenceBase Clone() { return new Publisher(m_cert); } public object Copy() { return Clone(); } internal SecurityElement ToXml() { SecurityElement elem = new SecurityElement( "System.Security.Policy.Publisher" ); // If you hit this assert then most likely you are trying to change the name of this class. // This is ok as long as you change the hard coded string above and change the assert below. Contract.Assert( this.GetType().FullName.Equals( "System.Security.Policy.Publisher" ), "Class name changed!" ); elem.AddAttribute( "version", "1" ); elem.AddChild( new SecurityElement( "X509v3Certificate", m_cert != null ? m_cert.GetRawCertDataString() : "" ) ); return elem; } public override String ToString() { return ToXml().ToString(); } // INormalizeForIsolatedStorage is not implemented for startup perf // equivalent to INormalizeForIsolatedStorage.Normalize() internal Object Normalize() { MemoryStream ms = new MemoryStream(m_cert.GetRawCertData()); ms.Position = 0; return ms; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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