SSL and TLS Essentials Securing the Web phần 10 ppt

... 77–79, 86, 93, 102 , 166 algorithms, 102 103 baseline, 126–128 exportable, 101 renegotiation of, 115–117 ssl version 2.0 and, 110 111 supported by ssl, 78–79, 102 104 supported by tls, 126–128 ... ClientHello message, 39, 65, 83, 113, 117, 128 components of, 41–43 recognition of ssl versions and, 106 108 SessionID values and, 172 ssl cipher suites and, 77–79 ssl...

Ngày tải lên: 14/08/2014, 14:20

... Toronto SSL and TLS Essentials Securing the Web Stephen Thomas 6 SSL & TLS Essentials: Securing the Web SSL vs. TLS Because SSL is more widely used and much better known than TLS, the ... of ssl. In fact, there are far fewer differences between tls 1.0 and ssl 3.0 than there are between ssl 3.0 and ssl 2.0. Section 5.4 details the...

Ngày tải lên: 14/08/2014, 14:20

... 28 SSL & TLS Essentials: Securing the Web Once Alice and Bob have successfully exchanged the random num- bers, they no longer need public key encryption. Instead, they can use the random ... two keys needs to be kept se- cret. The other key, the public key, need not be secret at all. 14 SSL & TLS Essentials: Securing the Web exploiting these the...

Ngày tải lên: 14/08/2014, 14:20

... infor- mation. The information Netscape makes available may be found at 170 SSL & TLS Essentials: Securing the Web will then detect and respond to the error just as if the invalid data ... ef- fective pseudorandom number generators, they can also be quite ineffective. Furthermore, many developers seek to improve on the 178 SSL & TLS Essentials: Securin...

Ngày tải lên: 14/08/2014, 14:20

... common use of ssl, secure Web browsing, the Web browser is the ssl client and the Web site is the ssl server. These same two roles apply to all applications that use ssl, and the examples ... as the ServerKeyExchange provides the key information for the server, the ClientKeyExchange tells the server the client’s key information. In 48 SSL & TL...

Ngày tải lên: 14/08/2014, 14:20

... messages. SSL vs. TLS The TLS protocol uses a version value of 3.1 in- stead of 3.0. 60 SSL & TLS Essentials: Securing the Web 3.7 Authenticating the Client’s Identity Since ssl includes ... certificates they issue. And Web browsers check the domain name in certificates they receive against the domain name their users attempt to contact. If, 64 S...

Ngày tải lên: 14/08/2014, 14:20

... 94 SSL & TLS Essentials: Securing the Web SSL vs. TLS The TLS protocol uses a com- pletely different calculation for the message au- thentication codes. See sec- tion 5.4.3. in the ... Figure 4-13 The ServerHello message designates the CipherSuite. 92 SSL & TLS Essentials: Securing the Web Note the similarity between this calculation...

Ngày tải lên: 14/08/2014, 14:20

... SSL_ RC2_CBC_128_CBC_EXPORT40_WITH_MD5 102 SSL & TLS Essentials: Securing the Web (for the client write iv) or the server and client’s random values (for the server write iv). 4.7 Cipher Suites Version 3.0 of the ssl ... certificates, and the u.s. government controls which companies are allowed to purchase those certificates. 104 SSL & TLS Esse...

Ngày tải lên: 14/08/2014, 14:20

... with a tls handshake. 5.5 The Future of SSL and TLS The future evolution of ssl and tls is clearly in the hands of the ietf, as well as developers of Web browsers, Web servers, and other Internet ... secret and the results of the previous step; the result is the first part of the pseudorandom output. 3 Calculate H-MAC of the secret and the r...

Ngày tải lên: 14/08/2014, 14:20

... indicate the end of a secure session. SSL and TLS Essentials Securing the Web Stephen Thom as 24 SSL & TLS Essentials: Securing the Web the algorithm with irrelevant information, enabling the ... the secure communications; the server responds to the cli- ent’s request. In the most common use of SSL , secure Web browsing, the Web browser is...

Ngày tải lên: 25/03/2014, 12:09