Cryptography and Network Security Chapter 10 pptx

... = 40 40 233 233 = 160 = 160 (Bob) (Bob) Cryptography and Cryptography and Network Security Network Security Chapter 10 Chapter 10 Fourth Edition Fourth Edition by William Stallings by ... bits) RSA/DSA RSA/DSA (modulus size in bits) 56 56 112 512 80 160 102 4 112 224 2048 128 256 3072 192 384 7680 256 512 15360 Chapter 10 – Chapter 10 – Key Managemen...

Ngày tải lên: 15/03/2014, 17:20

... channels Output FeedBack (OFB) Output FeedBack (OFB) Cryptography and Cryptography and Network Security Network Security Chapter 6 Chapter 6 Fourth Edition Fourth Edition by William Stallings by ... DES K1 K1 (i) (i)  uses: high-speed network encryptions uses: high-speed network encryptions Counter (CTR) Counter (CTR) Advantages and Limitations of Advantag...

Ngày tải lên: 06/03/2014, 16:20

... E Km Km [ [ X X i-1 i-1 ] ] ANSI X9.17 PRG ANSI X9.17 PRG Cryptography and Cryptography and Network Security Network Security Chapter 7 Chapter 7 Fourth Edition Fourth Edition by William Stallings by ... numbers” create “random numbers”  although are not truly random although are not truly random  can pass many tests of “randomness” can pass many tests of “randomnes...

Ngày tải lên: 06/03/2014, 16:20

... Access Model for Network Access Security Security Cryptography and Cryptography and Network Security Network Security Chapter 1 Chapter 1 Fourth Edition Fourth Edition by William Stallings by ... automated tools to protect files and other stored information protect files and other stored information  use of networks and communications links use of networks...

Ngày tải lên: 06/03/2014, 16:20

... years 5.4 × 10 18 years 168 2 168 = 3.7 × 10 50 2 167 µs = 5.9 × 10 36 years 5.9 × 10 30 years 26 characters (permutation) 26! = 4 × 10 26 2 × 10 26 µs = 6.4 × 10 12 years 6.4 × 10 6 years ... English Letter Frequencies English Letter Frequencies Cryptography and Cryptography and Network Security Network Security Chapter 2 Chapter 2 Fourth Edi...

Ngày tải lên: 06/03/2014, 16:20

... Theorem  Discrete Logarithms Discrete Logarithms Cryptography and Cryptography and Network Security Network Security Chapter 8 Chapter 8 Fourth Edition Fourth Edition by William Stallings by ... 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113 127 61 67 71 73 79 83 89 97 101 103 107 109 113 127 131 137 139 149 151 157 163...

Ngày tải lên: 06/03/2014, 16:20

... n f = (f x a) mod n return f return f Cryptography and Cryptography and Network Security Network Security Chapter 9 Chapter 9 Fourth Edition Fourth Edition by William Stallings by ... public-key cryptography principles of public-key cryptography  RSA algorithm, implementation, security RSA algorithm, implementation, security Chapter 9 – Chapter 9 –...

Ngày tải lên: 06/03/2014, 16:20

... Digital Signature Algorithm Algorithm (DSA) (DSA) Cryptography and Cryptography and Network Security Network Security Chapter 13 Chapter 13 Fourth Edition Fourth Edition by William Stallings by ... p = 2 p = 2 L L • where L= 512 to 102 4 bits and is a multiple of 64 where L= 512 to 102 4 bits and is a multiple of 64 • and q is a prime factor of and q...

Ngày tải lên: 15/03/2014, 17:20

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