c# remove text from pdf

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covers both the MAPsec speci cation and speci cations for how to protect IP connections on the control plane of the UMTS core network [51]. The second AKA stage is where the SGSN/ VLR executes the one-pass challengeresponse procedure to achieve mutual entity authentication between the USIM and the network (SN, HE). A point to be made is that, in a two-staged AKA approach, the HE delegates responsibility for executing the security procedures to the SN. There must therefore be a trust relationship between the HE and the SN in this matter. In the GSM environment, this trust relationship is regulated through roaming agreements; the same model should be applicable to UMTS. The cryptographic functions ( f 0 f 5*) used in the AKA procedure are implemented exclusively in the USIM and AuC. UMTS operators are free to choose any algorithm they want provided it complies with the function input/output speci cation given in Reference [49]. However, 3GPP has developed the MILENAGE [51, 52] algorithm set to provide the AKA functions. The formal status of MILENAGE is that it is provided as an example algorithm set, but in practice it is the recommended algorithm set for the AKA functions. MILENAGE itself is built around the symmetric block cipher Rijndael. A consequence of having mutual authentication is that the USIM is now an active entity. In GSM, the user could not authenticate the network; hence, the UE could not reject the network. In UMTS, the USIM will attempt to authenticate the network and it is now possible that the USIM will reject the network. Details on the implementation of different security services in UMTS can be found in References [46 60].

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9 Aug 2015 ... In this Post we are going to look at how we can search a specific text and visually remove them using iTextSharp library. Steps Involved : 1.

Useful MenuItem APIs include:

Four methods are declared in Listing 44 From Main() the code calls GetUserInput(), followed by a call to GetFullName() Both of these methods return a value and take parameters In addition, the listing calls DisplayGreeting(), which doesn't return any data No method in C# can exist outside the confines of an enclosing class Even the Main method examined in 1 must be within a class

addArmListener(ArmListener)

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15.6 SECURITY ARCHITECTURE FOR UMTS/WLAN INTERWORKING As speci ed in 1, 4G will integrate different wireless systems and provide intertechnology roaming. Security architectures will depend on the type (tight or loose) of interworking. A tight UMTS/WLAN interworking solution would mandate the full 3GPP security architecture and require the 3GPP protocol stacks and interfaces to be present in the WLAN system [64] . The loose interworking options merely require the 3GPP authentication method to be implemented. To avoid link layer modi cations, the authentication protocol is allowed to run at the link layer using Internet protocols extensible authentication protocol (EAP) [63] and authentication, authorization and accounting (AAA) as transport mechanisms. When used in WLAN the protocol EAP will be referred to as EAPOL. The main 3GPP-WLAN interworking architecture is de ned in 3GPP TS 23.234 [61]; the security architecture is found in 3GPP TS 33.234 [62]. A bene t of the loose interworking approach is that the 3GPP-WLAN architecture is a fairly simple architecture. The architecture contains the WLAN access network and a UMTS core network in addition to glue technology to connect the two systems. Figure 15.15 gives an overview of the proposed architecture [64]. The two key glue components of the interworking solution are the AAA and EAP technologies. These are used to execute the UMTS AKA protocol from the 3G system s home domain toward the WLAN user equipment. The AAA architecture and the RADIUS and/or Diameter protocol are to be used as the bridge between the 3GPP system and the WLAN access network. Both Diameter and RADIUS are generic protocols and are intended to provide support for a diverse set of AAA applications, including network access, IP mobility and interoperator roaming. The EAP-AKA [67] protocol allows the UMTS AKA security protocol, which was originally

c# remove text from pdf

Changing existing text in a PDF using iText – Sampath LK – Medium
14 Oct 2016 ... Last few days I was trying to modify some PDF file using iText library. ... So my first try was to replace the existing text with dynamic data. I…

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- Adds the listener to the collec-

C# provides no global method support; everything must appear within a class definition This is why the Main() method was marked as staticthe C# equivalent of a C++ global and Visual Basic module method

tion of listeners who will be notified when the arm events are generated for the control, by sending it one of the messages defined in the ArmListener interface

addHelpListener(HelpListener)

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c# remove text from pdf

c# remove text from pdf

c# remove text from pdf

c# remove text from pdf

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itextsharp remove text from pdf c#

itextsharp remove text from pdf c#

itextsharp remove text from pdf c#

itextsharp remove text from pdf c#

c# remove text from pdf

c# remove text from pdf

itextsharp remove text from pdf c#

c# remove text from pdf