Improving Web Application Security: Threats and - CGISecurity

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808 Improving Web Application Security: Threats and Countermeasures8. Replace the default constructor with the following constructors.// It is convention for permission types to provide a constructor// that accepts the PermissionState enumeration.public EncryptionPermission(PermissionState state){if (state.Equals(PermissionState.Unrestricted)){_permFlag = EncryptionPermissionFlag.Encrypt |EncryptionPermissionFlag.Decrypt;_storePermFlag = StorePermissionFlag.User | StorePermissionFlag.Machine;}else{_permFlag &= ~(EncryptionPermissionFlag.Encrypt |EncryptionPermissionFlag.Decrypt);_storePermFlag &= ~(StorePermissionFlag.User |StorePermissionFlag.Machine);}}// This constructor allows you to specify the encryption type (encrypt// or decrypt) by using the EncryptionPermissionFlag enumeration and the DPAPI// key store to use (user or machine) as defined by the StorePermissionFlag// enumeration.public EncryptionPermission(EncryptionPermissionFlag cipher,StorePermissionFlag store){_permFlag = cipher;_storePermFlag = store;}public EncryptionPermission(){_permFlag &= ~EncryptionPermissionFlag.Encrypt |EncryptionPermissionFlag.Decrypt;_storePermFlag &= ~(StorePermissionFlag.User | StorePermissionFlag.Machine);}9. Add the following public properties to allow a consumer application to set thepermission class state.// Set this property to true to allow encryption.public bool Encrypt{set {if(true == value){_permFlag |= EncryptionPermissionFlag.Encrypt;}else{_permFlag &= ~EncryptionPermissionFlag.Encrypt;}}
How To: Create a Custom Encryption Permission 809(continued)}get {return (_permFlag & EncryptionPermissionFlag.Encrypt).Equals(EncryptionPermissionFlag.Encrypt);}// Set this property to true to allow decryption.public bool Decrypt{set {if(true == value){_permFlag |= EncryptionPermissionFlag.Decrypt;}else{_permFlag &= ~EncryptionPermissionFlag.Decrypt;}}get {return (_permFlag & EncryptionPermissionFlag.Decrypt).Equals(EncryptionPermissionFlag.Decrypt);}}// Set this property to true to use the DPAPI machine key.public bool MachineStore{set {if(true == value){_storePermFlag |= StorePermissionFlag.Machine;}else{_storePermFlag &= ~StorePermissionFlag.Machine;}}get {return (_storePermFlag & StorePermissionFlag.Machine).Equals(StorePermissionFlag.Machine);}}// Set this property to true to use the DPAPI user key.public bool UserStore{set {if(true == value){_storePermFlag |= StorePermissionFlag.User;}(continued)
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Contents xxvii.NET Remoting Securit
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Contents xxixStaying Secure (contin
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Contents xxxiASP.NET Architecture o
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Contents xxxiiiSummary ............
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Contents xxxvIndex of Checklists 68
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Contents xxxviiChecklistSecuring Da
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Contents xxxixHow ToIndex 743How To
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Contents xliRestricting Server-to-S
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ForewordsForeword by Mark CurpheyWh
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Forewords xlvForeword by Joel Scamb
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Forewords xlviiFinally, techniques
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Fast Track — How To Implementthe
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Part IIntroduction to Threats andCo
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3Threat ModelingIn This Chapter●
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Chapter 3: Threat Modeling 47Threat
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Part IIDesigning SecureWeb Applicat
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Part IIIBuilding Secure WebApplicat
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8Code Access Security in PracticeIn
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Part IVSecuring Your Network,Host,
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18Securing Your Database ServerIn T
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21Code ReviewIn This Chapter●●
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22Deployment ReviewIn This Chapter
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Related Security ResourcesRelated M
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How To:Implement Patch ManagementAp
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How To:Harden the TCP/IP StackAppli
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Page 885 and 886: How To:Use URLScanApplies ToSummary
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Page 918 and 919: patterns & practicesProven practice
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