e-eve rything 10 (Silicon Valley).,,, RSA (Conference)., (nerd),...,., World Wide Web,.. (e-fraud, e- scams), (e-theft), (e-vandalism), (e-viruses),.
22 CRYPTOGRAPHY DECRYPTED.,...,. RSA.,,. RSA 2000 H.X.Mel. Doris Baker..,.,,. IT 10,.. ----J ohn Kinyon---
,..,.. Crypt ography Decrypt ed,.,,.,.
24 CRYPTOGRAPHY DECRYPTED.,.. Crypt ography Decrypted, (reference),..,. CIO.,., Crypt ography Decrypted. ( Part I Part II )...,.,,..,..,
25 11, 14, (Appendix). Appendix A (inverse), (primes), (Fermat test), Diffie-Hellman, DSA,. Appendix B 21, IPsec... Paul Brown, Sheila Frankel, Peter Honeyman, Russ Housley, Anton Stiglic, David Youd, Neal Ziring., Tyrrell Albaugh, Karen Gettman, Betsy Hardinger, Mary Hart, Lisa Hernandez ( )...
,.,.,..,,,,.,.
28 CRYPTOGRAPHY DECRYPTED,. I.1,. [ I.1]. Part I. Part II,. Part III, Part IV (, SSL(Secure Socket Layer), (IPsec)). (chapte r) Part I : 1-4,. :. 5 DES 6 7 :,, 8 Part II : 9 : 10 11 12 13. 14 15,.
29 ( cha pter) Part 3 : 16 :. 17 x.509, (authority) 18 (Pretty Good Privacy : PGP) x.509. Part IV : 19-21 (, SSL, IPsec) 22 23. Appendix A B IPsec
1977, 3500.,. Part I DES(Data Encryption Standard),. Part II. Part I. 1 5.. (most feasible attack)., 1 5., 6. 5.
32 CRYPTOGRAPHY DECRYPTED 6. 7. 8..
.,...,.,,..,..., ([ 1.1] ).
34 CRYPTOGRAPHY DECRYPTED 1.1..,..,.., ([ 1.2] )., (,,, ).... (, ( )). ([ 1.3] )... 1, 2, 3. (1,2,3).
Chapter 1 35., (,,, ). ( ), ( ).,. 1.2,. 1.3. (, )? 10 10000...
36 CRYPTOGRAPHY DECRYPTED : (cryptography), (cryptographer), (cryptanalyst), (cryptology),.,. ( )..,.. -,..,.,.....,.,. 2,.
Chapter 1 37 (wheel cipher),. ( ).., 1922.,.... DES (Data Encrypti on Standard) : DES,. DES 72,000,000,000,000,000(72 )..,. - con tin ued -
38 CRYPTOGRAPHY DECRYPTED DES 64, 56., 16. DES, 3 DES. DES. 1997, RSA DES 10,000. 14,000, 72 18., DES. DES 1977 IBM,. ANSI X3.92 X3.106 FIPS 46 81.,., BBS., NIST DES. AES (Advanced Encryption Standard). www.terms.co.kr
450,., 40., 1 20. 2 (, (encryption) ( ) ).,,. : FIVE AM GJWF BN.....
40 CRYPTOGRAPHY DECRYPTED., FIVE AM, FIVE AM., F G, I J, V W. GJ WF BN. G F, J I,. [ 2.1]. [ 2.1]. A B,. + 1 = (, Z A ) : (cipher), (plaintext), (ciphertext), (encryption), (decryption), (encrypt, encipher), (decrypt, decipher).,...., ([ 2.2] ). 2.1.
Chapter 2 4 1 2.2 (plaintext),,. : [ 2.1] Plain Ciphered,.,.. 1) ( ). (Add), 1( ).. 3. F + 1 G (F + 1= G), F + 2 H (F + 2 = H), F + 3 I (F + 3 = I). FIVE AM ILYH DP ( [ 2.3] )., [ 2.1] 1 [ 2.3] 3. 1 3 1) (purist s) (shift ) (rot ational).
42 CRYPTOGRAPHY DECRYPTED. 2.3 (variation) : 3. [ 2.3]., [ 2.1]. [ 2.1] [ 2.3] 25 1 3., 25. 25. [ 2.4]... [ 2.4] 1 FIVE AM.,.. [ 2.4] 1, 2, 24, 25.., 1, 2. 26, 26 0.!!. A?., 0 (!). [ 2.4] 1, 2, 24, 25..
Chapter 2 43 sifr cipher zero. 13,., (0)...,. 2.4 (1, 2, 24, 25) FIVE AM. : 25..., [ 2.5]!., I J, K, L... 25..
44 CRYPTOGRAPHY DECRYPTED..,...,.,. 2.5 : 23.,... 25.,., E K,, [ 2.4].??
Chapter 2 45!. (, ).,. 26. (, 3 ). 2.6.,...,... [ 2.4].. ( 12 ). : (hound- dog)
46 CRYPTOGRAPHY DECRYPTED! 1 25.....,....,.,. 1 2 :... (,, ).. 50. 25, 2 1., 2..
Chapter 2 47 2.7 1 2 2 (26 25 24 23 22 21 20 19... 3 2 1=403291499589617300000000000/ 1) 400000000000000000000000000 / 1 (400 1 1 1). 400 + 400 + 400. 400 1 1,. :,,..?, EVERYONE MUST ATTACK BEFORE FIVE AM.. [ 2.8].. H 6, C 3. E. H E, C T..
48 CRYPTOGRAPHY DECRYPTED., ( )... (monoalphabetic) ( ),. [ 2.8] A Z, B P.. 2.8. ( ), ( ).,.. E. t o, a, n. T. E. A I (, a house, I am ). to in. the and. that. ll, ee, tt, ff, oo, rr, nn, pp, cc. Th, he, an, re, er, in. The, ing, ion, ent. N.
Chapter 2 49! Edgar Allan Poe (monoalphabetic) 19. The Gold-Bug. Poe. Poe. 17 Antoine John Wallis.. : Vigene re :,. 1500 Blaise de Vigenere Vigenere. 1586 Vigenere..,,,,??. Vigenere ([ 2.9] )... 3. 2500., Vigenere.. 400 (Vigenere., Vigenere. Vigenere ).
50 CRYPTOGRAPHY DECRYPTED [ 2.10] Vigenere., E F, E M! : (Polyalphabetic) Vigenere 26 (polyalpabetic)., (!). ( ) Vigenere. [ 2.10], Vigenere ( ). ( ). Vigenere. [ 2.10] 1-5-8-11- 14,. 17 EVERY ONE UP AT FIVE AM., EVERY FAMCM. Vigenere 0., 0. 3 3 27 12 V ig e n re - 2.9 Vigenere
Chapter 2 5 1 2.10 Vigenere (polyalphabetic).! 1-5-8-11- 14 1 E F. Vigenere, E. E. 1 1. E 1. F. 5, V 5 V A. EVERY E. Vigenere.., E
52 CRYPTOGRAPHY DECRYPTED F, E F. Vigenere, E F, E F. [ 2.10], EVERY E F, E M. Vigenere.,, (, E T ). Vigenere, Vigenere EVERY FAMCM. [ 2.10] 1-5-8-11- 14,,.., EVERY ONE UP AT FIVE AM FAMCM PSK FD BY NTJ F FU. Vigenere., Vigenere. 200. 200??. 1 100 (0).. 200 200... Vigenere. Vigenere
Chapter 2 53.,., (your adversary)., Vigenere. :. (monoalphabetic).., 25 25.., e e. (, Vigenere ) (polyalphabetic). Vigenere., Vigenere.,. ([ 2.9] )...
: :.,.. J umbles. =, = FIVE AM. FIVE AM IVEA MF.... LAST NITE WAS HEAVEN PLEASE MARRY ME 1). [ 3.1]. 1) nite..