Errata File (October 2005)
Cryptography and Network Security: Principles and Practice, Third Edition
                               William Stallings
                      (Prentice-Hall, ISBN 0-13-091429-0)

------------------------------SYMBOLS USED-------------------------------
| ti = ith line from top;  bi = ith line from bottom; Fi = Figure i
| X -> Y = replace X with Y; Ti = Table i; Pi = Problem i
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PAGE    CORRECTION

105 b2: set of real numbers without zero under multiplication

271 t4: 161 = 10 x 160 + 1 -> 161 = 1 x 160 + 1

504 t3: AH followed by ESP -> ESP followed by AH

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 29 t1: Table 2.2 -> Table 2.1

 36 b2: top element of the row -> top element of the column

 43 b2: pxlmvmsydoft -> pxlmvmsydofu

 44 t2: mfugp -> pftgp

 52 P2.4: Section 2.3 -> Section 2.2
    P2.6a: at then rather -> at ten rather
    P2.8: line 3 block 3 should be BYBNT
          translate TT as TT

 60 F3.3: only rightmost 4 bits feed into EP

 61 next-to-last matrix: use XOR instead of plus sign

 75: t8: "repeated iterations" -> "repeated shifts"

 78 b10: The is first -> The key is first

 86 F3.10: First box: delta m_ii -> delta m_i

 94 t20: Rather then units -> rather than units

 95 F3.13b: the decrypt box should be encrypt
    F3.13b, Lower Left Part: j bits -> s bits    64-j bits -> 64-s bits
    F3.13b: remove arrow pointing to the right just above P2

 96 F3.14b, Lower Left Part: j bits -> s bits    64-j bits -> 64-s bits
 96 F3.14b: remove arrow pointing to the right just above P2
 96 F3.14b: the decrypt box should be encrypt

 98 b17: block of plaintext of ciphertext -> block of plaintext or ciphertext

100: P3.7, second line of binary notation: 0100 -> 1100

101 P3.10: Problem 3.6 -> Problem 3.9

102 P3.17: In decrypt column for CBC, it should be DK instead of EK

106 (A1 - A5): for this case -> for the case
    t9: group of positive integers -> group of integers

114 T4.2, distributive law: [w*(x+y)] mod n = [(w*x)+(w*y)] mod n
                            delete second distributed law

120 Example: gcd(550, 1759) -> gcd(1759, 550)
    t20: 1 + mB1 -> 1 - mB1

124 Grey box: should have f(x) = x^7 + x^5 + x^4 + x^3 + x + 1

130 Step 5 of Extended Euclid: QB3(x) -> Q(x)B3(x)

132 T4.7: Iteration 2: B2(x) should be x^4 + x^3 + x + 1
          Iteration 3: A2(x) should be x^4 + x^3 + x + 1

148 b4: GF(28) -> GF(2^8)

151 b2: elements or -> elements of

155 T5.5a, right matrix: last element in row 3 should be S_{2,1}
    b2: third row -> fourth row

159 b12: more important than encryption -> more important than decryption

160 t11: 156 bytes -> 176 bytes

164 F5.7: w[6,39] -> w[36,39]

170 t6: for b0, 0 should be a subscript
    t16: the expression in square brackets should be the same as the
         expression on the right of Equation 5.10

171 first line after matrices: each column each column -> each column

177 2nd equation: K2 -> K1

191 b2: minimal a increase -> minimal increase

195 b6: attach -> attack

196 F6.9,boxes at top right hand corner: 255 255 255 -> 253 254 255

199 P6.7b: Figure 6.10 -> Figure 6.11

214 t12: A has a secret key -> A has a master key

219 F7.12b: plaintext input -> ciphertext input

225 t6: j leftmost bits -> s leftmost bits

227 T7.2: heading should be i instead of s

240 b3: To see that phi(n) = phi(p) x phi(q),

247 b6: (23, 24) -> (23, 34)

251 b5: Table 7.6 -> Table 8.3

252 T8.4e a,Ind_14,19(a): 17,14 -> 17,4
    T8.4f a,Ind_15,19(a): 17,12 -> 17,14

254 P8.6d: Delete "annyoung-60"

275 T9.3: Data Achieved -> Date Achieved

280 Delete Problem 9.4

300 t2-t3: provided that provided that -> provided that

302 t2: provided that provided that -> provided that

303 b6: the number the number -> the number

310 P10.8: P = (-3,9)   Q = (-2,8)

314 F11.1(d): duplicated E_KU_b[E_KR_a(M)]

315 t1: the message came -> the message

323 t2: public-key -> private-key

340 P11.4: Problem 3.10 -> Problem 3.13

363 t12: 1981 -> 2002

371 T12.8: fourth row third column should be infinity sign

372 T12.9: MD5: 101 Mbps

376 b5: 2^73 -> 2^72
    b3: 250,000 -> 150,000

385 b12: Section 5.3 -> Section 7.3

388 b6,5,4: Each timestamp should be unique (T1, T2, T3)
    b4: E_KR_as[K_S||T] -> E_KR_a[K_S||T]

389 b5: E_KR_auth[N_a||K_S||ID_B] -> E_KR_auth[N_a||K_S||ID_A||ID_B]

391 b9: H(M] -> H(M)

395 Fig 13.3(b): g(H(M')w)mod q yr'w mod q
              -> g^(H(M')w mod q) y^(r'w mod q)

410 T14.2b, message 4: First instance of K_(c,tgs) should be K_(c,v)

411 T14.2b: TS2 -> TS3

430 P14.2: Ci11 -> C_(i+1) Pi11 -> P_(i+1)
    P14.3: C{0,r'_{B},A,r'_{A}} -> C{0,r'_{B},ID_{A},r'_{A}}

440 t21: Problem 6.19 -> Problem 10.4

443 F15.2b, decrypt box: 2nd line: K -> Ks       3rd line: DKs[EKs[X]]

445 footnote: Section 8.4 -> Section 8.3

464 b13: Problem 6.19 -> Problem 10.4

496 t11: ESP authentication service has different scope than AH service

513 b10: the AUTH payload -> an authentication mechanism

537 Content bullet: 1 byte -> 0 bytes

596 Error in last paragraph: The 1% result should actually be 50%

607 b3: 1998 -> 1988

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|         A current version of this file, named Errata-Crypto3e-mmyy,
|                 is available at WilliamStallings.com
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