Chapter 11 The Secure Sockets Layer (SSL)
Chapter 11 The Secure Sockets Layer (SSL) Figure 11.1: SSL protocol stack. The SSL record protocol, which is at a lower layer and offers services to these three higher level protocols, is discussed first. 11.2 SSL Record Protocol This protocol provides two services for SSL connections: 1. Confidentiality - using conventional encryption. 2.
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Chapter 12 Pretty Good Privacy (PGP)
www.facweb.iitkgp.ac.inthe one specified in ANSI X12.17. 12.3.2 Key Identifiers As mentioned it is possible to have more than one public/private key pair per user. Each one therefore needs an ID of some kind. The key ID associated with each public key consists of its least significant 64 bits. That is, the key ID of public key KU a is (KU a mod 264). This is a ...
IEEE 1149.1 JTAG Boundary Scan Standard
www.facweb.iitkgp.ac.in¾Joint Test Action Group (JTAG) proposed Boundary Scan Standard 1990 ¾Boundary Scan approved as IEEE Std. 1149.1-1990 ¾Boundary Scan Description Language (BSDL) proposed by HP 1993 ¾1149.1a-1993 approved to replace 1149.1-1990
Chapter 7 The Advanced Encryption Standard (AES)
www.facweb.iitkgp.ac.in• Design Simplicity. The overall structure of AES can be seen in 7.1. The input is a single 128 bit block both for decryption and encryption and is known as the in matrix. This block is copied into a state array which is modified at each stage of the algorithm and then copied to an output matrix (see figure 7.2).
Chapter 2 The Data Encryption Standard (DES) - IITKGP
www.facweb.iitkgp.ac.inOne startling discovery was that the S-boxes appeared to be secure against an attack known asDifferential Cryptanalysis which was only publicly discovered by Biham and Shamir in 1990. This suggests that the NSA were aware of this attack in 1977; 13 years earlier! In fact
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