security fundamentals for e commerce phần 10 docx

... the sandbox security model, strong bytecode verification and firewalls between cardlets (see also the previous section). Another interesting development in the smart card and e- commerce area ... mechanisms, 5 Security message exchange, 169 Security parameter index, 197, 203, 236 Security policy, 5 Security recovery, 8 Security services, 56 Security testing, 25152 Security...

Ngày tải lên: 14/08/2014, 18:21

... Data Hassler, Vesna Security fundamentals for e- commerce.  (Artech House computer security series) 1. Business enterprisesComputer networks Security measures 2. Electronic commerce Security measures ... encrypted; • Each key be used only once. This is exactly the case with the one-time pad. Unfortunately, it makes key management extremely difficult, since new keys must be exch...

Ngày tải lên: 14/08/2014, 18:21

... E- Commerce • affiliationChanged: some fields in the certificate have changed (e. g., subject name); • superseded: the certificate has been replaced by another; • cessationOfOperation: the certificate is no longer needed; • certificateHold: ... a digital envelope before being sent. Digital envelopes can have different formats, for example S/MIME or PGP. S/MIME (Secure/Multipurpose Intern...

Ngày tải lên: 14/08/2014, 18:21

... stolen coins. There are, however, some mechanisms to prevent stealing of coins, and they are used to implement the corresponding payment security service. The three digital money security services ... 7 Digital Money Security Digital money represents a new payment instrument for e- commerce. More than any other payment instrument, it demands development of a variety of new securit...

Ngày tải lên: 14/08/2014, 18:21

... are 142 Security Fundamentals for E- Commerce not the case, so we have, for example, a public switched telephone network, a mobile telephone network, and the Internet. However, there are already ... Chapter 1 showed the placement of security services and mechanisms in the OSI reference model. Connection-oriented security serv- ices apply to end-to-end connections. More specific...

Ngày tải lên: 14/08/2014, 18:21

... appended to it before transmission. If higher level protocols do not use sequence numbers, a sequence number can be appended to the SDU before MAC is computed. Sequence numbers provide replay/reordering ... denotes concatenation): response = MD5(identifier || shared_secret || challenge) When the authenticator receives the response packet, it computes the response value in the same way and com...

Ngày tải lên: 14/08/2014, 18:21

... ServerKeyEx- change message. The ServerKeyExchange message contains a public key for 230 Security Fundamentals for E- Commerce Client Server ClientHello [ChangeCipherSpec] Finished Certificate ClientKeyExchange CertificateVerify [ChangeCipherSpec] Finished ServerHello Certificate CertificateRequest ServerHelloDone Figure ... ServerKeyExchange message can also be sent after the serv...

Ngày tải lên: 14/08/2014, 18:21

... server). The Via request or response header is used by intermediaries (e. g., proxies) to indicate the intermediate protocols and recipients between the cli- ent and the server (request), and between the ... HTTP request). 266 Security Fundamentals for E- Commerce 16 Web Server Security Access control management on the Web server side is even more difficult than on the Web client s...

Ngày tải lên: 14/08/2014, 18:21

... Inspection Before JDK 1.2 was released, browsers needed some means of providing a more flexible security policy than the very restrictive sandbox model. There are several techniques for achieving ... frame. • checkPrivilege(resource) is called by the system before accessing the resource. This method searches the stack for the enabled- privilege(resource) annotation. The search terminate...

Ngày tải lên: 14/08/2014, 18:21

... commercial relationships. Roles are implemented with digital 326 Security Fundamentals for E- Commerce Code time Gatekeeper Credential checker Capability service request with credentials check credentials create ... requirements may be specified in the requestors cre- dentials (e. g., the agent owners credentials) or in an object reference (e. g., the agent reference). Mobile Agen...

Ngày tải lên: 14/08/2014, 18:21