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/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / clr / src / BCL / System / Security / Cryptography / X509Certificates / x509utils.cs / 2 / x509utils.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // X509Utils.cs // namespace System.Security.Cryptography.X509Certificates { using System.Runtime.CompilerServices; using System.Runtime.InteropServices; using Microsoft.Win32; internal static class X509Constants { internal const uint CRYPT_EXPORTABLE = 0x00000001; internal const uint CRYPT_USER_PROTECTED = 0x00000002; internal const uint CRYPT_MACHINE_KEYSET = 0x00000020; internal const uint CRYPT_USER_KEYSET = 0x00001000; internal const uint CERT_QUERY_CONTENT_CERT = 1; internal const uint CERT_QUERY_CONTENT_CTL = 2; internal const uint CERT_QUERY_CONTENT_CRL = 3; internal const uint CERT_QUERY_CONTENT_SERIALIZED_STORE = 4; internal const uint CERT_QUERY_CONTENT_SERIALIZED_CERT = 5; internal const uint CERT_QUERY_CONTENT_SERIALIZED_CTL = 6; internal const uint CERT_QUERY_CONTENT_SERIALIZED_CRL = 7; internal const uint CERT_QUERY_CONTENT_PKCS7_SIGNED = 8; internal const uint CERT_QUERY_CONTENT_PKCS7_UNSIGNED = 9; internal const uint CERT_QUERY_CONTENT_PKCS7_SIGNED_EMBED = 10; internal const uint CERT_QUERY_CONTENT_PKCS10 = 11; internal const uint CERT_QUERY_CONTENT_PFX = 12; internal const uint CERT_QUERY_CONTENT_CERT_PAIR = 13; internal const uint CERT_STORE_PROV_MEMORY = 2; internal const uint CERT_STORE_PROV_SYSTEM = 10; // cert store flags internal const uint CERT_STORE_NO_CRYPT_RELEASE_FLAG = 0x00000001; internal const uint CERT_STORE_SET_LOCALIZED_NAME_FLAG = 0x00000002; internal const uint CERT_STORE_DEFER_CLOSE_UNTIL_LAST_FREE_FLAG = 0x00000004; internal const uint CERT_STORE_DELETE_FLAG = 0x00000010; internal const uint CERT_STORE_SHARE_STORE_FLAG = 0x00000040; internal const uint CERT_STORE_SHARE_CONTEXT_FLAG = 0x00000080; internal const uint CERT_STORE_MANIFOLD_FLAG = 0x00000100; internal const uint CERT_STORE_ENUM_ARCHIVED_FLAG = 0x00000200; internal const uint CERT_STORE_UPDATE_KEYID_FLAG = 0x00000400; internal const uint CERT_STORE_BACKUP_RESTORE_FLAG = 0x00000800; internal const uint CERT_STORE_READONLY_FLAG = 0x00008000; internal const uint CERT_STORE_OPEN_EXISTING_FLAG = 0x00004000; internal const uint CERT_STORE_CREATE_NEW_FLAG = 0x00002000; internal const uint CERT_STORE_MAXIMUM_ALLOWED_FLAG = 0x00001000; internal const uint CERT_NAME_EMAIL_TYPE = 1; internal const uint CERT_NAME_RDN_TYPE = 2; internal const uint CERT_NAME_SIMPLE_DISPLAY_TYPE = 4; internal const uint CERT_NAME_FRIENDLY_DISPLAY_TYPE = 5; internal const uint CERT_NAME_DNS_TYPE = 6; internal const uint CERT_NAME_URL_TYPE = 7; internal const uint CERT_NAME_UPN_TYPE = 8; } internal static class X509Utils { internal static int OidToAlgId (string oid) { // Default Algorithm Id is CALG_SHA1 if (oid == null) return Constants.CALG_SHA1; string oidValue = CryptoConfig.MapNameToOID(oid); if (oidValue == null) oidValue = oid; // we were probably passed an OID value directly int algId = _GetAlgIdFromOid(oidValue); // CAPI does not have ALGID mappings for all of the hash algorithms, and in these cases it // returns -1 to us. If it couldn't map the ALGID, we can see if we know what the mapping is // ourselves. if (algId == -1) { if (String.Equals(oid, Constants.OID_OIWSEC_SHA256, StringComparison.Ordinal)) { algId = Constants.CALG_SHA_256; } else if (String.Equals(oid, Constants.OID_OIWSEC_SHA384, StringComparison.Ordinal)) { algId = Constants.CALG_SHA_384; } else if (String.Equals(oid, Constants.OID_OIWSEC_SHA512, StringComparison.Ordinal)) { algId = Constants.CALG_SHA_512; } else { throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidOID")); } } return algId; } // this method maps a cert content type returned from CryptQueryObject // to a value in the managed X509ContentType enum internal static X509ContentType MapContentType (uint contentType) { switch (contentType) { case X509Constants.CERT_QUERY_CONTENT_CERT: return X509ContentType.Cert; case X509Constants.CERT_QUERY_CONTENT_SERIALIZED_STORE: return X509ContentType.SerializedStore; case X509Constants.CERT_QUERY_CONTENT_SERIALIZED_CERT: return X509ContentType.SerializedCert; case X509Constants.CERT_QUERY_CONTENT_PKCS7_SIGNED: case X509Constants.CERT_QUERY_CONTENT_PKCS7_UNSIGNED: return X509ContentType.Pkcs7; case X509Constants.CERT_QUERY_CONTENT_PKCS7_SIGNED_EMBED: return X509ContentType.Authenticode; case X509Constants.CERT_QUERY_CONTENT_PFX: return X509ContentType.Pkcs12; default: return X509ContentType.Unknown; } } // this method maps a X509KeyStorageFlags enum to a combination of crypto API flags internal static uint MapKeyStorageFlags (X509KeyStorageFlags keyStorageFlags) { uint dwFlags = 0; if ((keyStorageFlags & X509KeyStorageFlags.UserKeySet) == X509KeyStorageFlags.UserKeySet) dwFlags |= X509Constants.CRYPT_USER_KEYSET; else if ((keyStorageFlags & X509KeyStorageFlags.MachineKeySet) == X509KeyStorageFlags.MachineKeySet) dwFlags |= X509Constants.CRYPT_MACHINE_KEYSET; if ((keyStorageFlags & X509KeyStorageFlags.Exportable) == X509KeyStorageFlags.Exportable) dwFlags |= X509Constants.CRYPT_EXPORTABLE; if ((keyStorageFlags & X509KeyStorageFlags.UserProtected) == X509KeyStorageFlags.UserProtected) dwFlags |= X509Constants.CRYPT_USER_PROTECTED; return dwFlags; } // this method creates a memory store from a certificate internal static SafeCertStoreHandle ExportCertToMemoryStore (X509Certificate certificate) { SafeCertStoreHandle safeCertStoreHandle = SafeCertStoreHandle.InvalidHandle; X509Utils._OpenX509Store(X509Constants.CERT_STORE_PROV_MEMORY, X509Constants.CERT_STORE_ENUM_ARCHIVED_FLAG | X509Constants.CERT_STORE_CREATE_NEW_FLAG, null, ref safeCertStoreHandle); X509Utils._AddCertificateToStore(safeCertStoreHandle, certificate.CertContext); return safeCertStoreHandle; } internal static IntPtr PasswordToCoTaskMemUni (object password) { if (password != null) { string pwd = password as string; if (pwd != null) return Marshal.StringToCoTaskMemUni(pwd); SecureString securePwd = password as SecureString; if (securePwd != null) return Marshal.SecureStringToCoTaskMemUnicode(securePwd); } return IntPtr.Zero; } [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern void _AddCertificateToStore(SafeCertStoreHandle safeCertStoreHandle, SafeCertContextHandle safeCertContext); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern void _DuplicateCertContext(IntPtr handle, ref SafeCertContextHandle safeCertContext); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern byte[] _ExportCertificatesToBlob(SafeCertStoreHandle safeCertStoreHandle, X509ContentType contentType, IntPtr password); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern int _GetAlgIdFromOid(string oid); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern byte[] _GetCertRawData(SafeCertContextHandle safeCertContext); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern void _GetDateNotAfter(SafeCertContextHandle safeCertContext, ref Win32Native.FILE_TIME fileTime); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern void _GetDateNotBefore(SafeCertContextHandle safeCertContext, ref Win32Native.FILE_TIME fileTime); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern string _GetFriendlyNameFromOid(string oid); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern string _GetIssuerName(SafeCertContextHandle safeCertContext, bool legacyV1Mode); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern string _GetOidFromFriendlyName(string oid); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern string _GetPublicKeyOid(SafeCertContextHandle safeCertContext); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern byte[] _GetPublicKeyParameters(SafeCertContextHandle safeCertContext); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern byte[] _GetPublicKeyValue(SafeCertContextHandle safeCertContext); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern string _GetSubjectInfo(SafeCertContextHandle safeCertContext, uint displayType, bool legacyV1Mode); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern byte[] _GetSerialNumber(SafeCertContextHandle safeCertContext); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern byte[] _GetThumbprint(SafeCertContextHandle safeCertContext); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern void _LoadCertFromBlob(byte[] rawData, IntPtr password, uint dwFlags, bool persistKeySet, ref SafeCertContextHandle pCertCtx); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern void _LoadCertFromFile(string fileName, IntPtr password, uint dwFlags, bool persistKeySet, ref SafeCertContextHandle pCertCtx); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern void _OpenX509Store(uint storeType, uint flags, string storeName, ref SafeCertStoreHandle safeCertStoreHandle); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern uint _QueryCertBlobType(byte[] rawData); [MethodImplAttribute(MethodImplOptions.InternalCall)] internal static extern uint _QueryCertFileType(string fileName); } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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