Implementing-cryptography-using-python

Index ■ Q–S 283
Preneel, Bart, 145
prime factorization, 97
prime number theorem, 98
prime numbers
Fermat’s little theorem, 100
generating large ones, 104–106
Miller-Rabin primality test, 100–104
overview, 97–98
prime number theorem, 98
school primality test, 98–99
Print() function, 13
privacy enhanced electronic mail (PEM),
70–71
protocols
cryptographic protocols, 32–33, 46–47
Kerberos protocol, 36, 39–40
multiple-domain Kerberos, 40–41
Needham-Schroeder protocols, 36–38
Network Time Protocol (NTP), 42
Otway-Rees protocol, 38
public-key protocol, 36–37
symmetric key protocol, 36
Transmission Control Protocol (TCP), 212
User Datagram Protocol (UDP), 212
pseudorandom number generation (PRNG),
115, 141–144
pseudorandomness
breaking C’s rand() function, 116
overview, 115
public key MAC encryption, for
incorporating message hashing, 200–201
public-key certificates, 42
public-key infrastructure (PKI)
described, 223–224
implementing of in application using RSA
certificates, 255–261
public-key protocol
as second protocol of Needham-Schroeder
protocols, 36–37
as similar to protocol proposed by Otway
and Rees, 38
public-key transformation
constructing BLOB encryption and
decryption with, 232–235
constructing simple text decryption with
RSA certificates, 231–232
exploring basics of RSA, 226–229
generating RSA certificates, 229–230
overview, 224–226
PyFITS, described, 3
Python
basics of, 9–29
downloading and installing, 3–8
installing additional packages, 5
installing Cryptography package, 7–8
reasons to use, 2–3
upgrading packages, 5
using AES with, 167–169
Python 2, as unsupported, 3
Q
quotes
double quote ("), 11
single quote (’), 11
R
R file operator, 19
r+ file operator, 19
R A (notation in cryptographic protocols), 37
Rabin, Michael, 100
rainbow table, 67
RC4, 147
reflection attack, 211
relational operators, 13
remove() method, 25
reordering attack, 211
replay attack, 211
requests module, 27
reserved words, 9
reverse cipher, creating, 29
reverse() method, 25
reverseCipher function, 29
Rivest, Ron, 34, 226
ROT-13, 76
RSA algorithm, 104, 226–235, 242
RSA certificates
constructing BLOB encryption and
decryption with, 232–235
constructing simple text encryption and
decryption with, 231–232
generating, 229–231
implementing PKI in application using,
255–261
RSAES-OAEP, 231
S
Salsa20 cipher, 149–151
Schneier, Bruce, 162
school primality test, 98
Schroeder, Michael, 36
SEC (Standards of Efficient Cryptography), 241
secondary resistance, 59
secret sharing, 33
secret splitting, 33
Secure Hash Algorithms (SHAs), 203–204,
205, 209
securing elections, 33
security protocols, as another name for
cryptographic protocols, 32
Segmented Integer Counter mode, 162–164