security fundamentals for e commerce phần 6 pps

... 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 ... dif- ferent key management systems (e. g., Kerberos) can...

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 ... the acquirer communicate directly, the certificate is sent to the payee to be for- warded to the payer. Finally, if everything has gone well, the payee sends a payment receipt (Payees Pay...

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 ... the Advanced Research Pro- jects Agency (ARPA) established by the U.S. Department of Defense [6] . The Internet predecessors were ARPANET (ARPA NETwork) and DDN (Defense Data Network)....

Ngày tải lên: 14/08/2014, 18:21

... commercial relationships. Roles are implemented with digital 3 26 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 Ag...

Ngày tải lên: 14/08/2014, 18:21

... cryptosystems: key management. The secret key must either be sent over a separate, secure channel (e. g., a sealed envelope), or it must be sent encrypted. For the encryption of symmetric keys in transfer, ... interested in e- commerce security. Some disclaimers This book does not cover all aspects of e- commerce, nor does it discuss spe- cific e- commerce models and their particu...

Ngày tải lên: 14/08/2014, 18:21

... only) are public 44 Security Fundamentals for E- Commerce • affiliationChanged: some fields in the certificate have changed (e. g., subject name); • superseded: the certificate has been replaced by ... dif- ference between the last CRL and the new one. A delta-CRL contains new entries that have to be added to the previous CRL, as well as information about the entries to be deleted fr...

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 ... 27 16) . 1 76 Security Fundamentals for E- Commerce Code ID Length Type Type-Data Figure 11 .6 EAP packet format. three-way handshake between a client and a server, as shown in...

Ngày tải lên: 14/08/2014, 18:21

... 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 side. A client (i .e. , ... 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 (r...

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 ... annotation is made on the current stack frame. • checkPrivilege(resource) is called by the system before accessing the resource. This method searches the stack for the enabled- privilege(re...

Ngày tải lên: 14/08/2014, 18:21

... mechanisms, 5 Security message exchange, 169 Security parameter index, 197, 203, 2 36 Security policy, 5 Security recovery, 8 Security services, 5 6 Security testing, 25152 Security zone, 3 16 Segment, ... 267 Message freshness, 46 47, 268 69 Message integrity, 268 69 Message origin authentication, 268 69 Messages, Internet open trading protocol, 1 26 27 Message tamperin...

Ngày tải lên: 14/08/2014, 18:21