Implementing-cryptography-using-python

Contents xv
Storing a Binary File Inside an Image 192
Working with large images 195
Summary197
Chapter 7 Message Integrity 199
Message Authentication Codes 200
Hash-based Message Authentication Code 201
Using HMAC to Sign Message 202
Message Digest with SHA 203
Binary Digests 204
NIST Compliance 205
CBC-MAC206
Birthday Attacks 207
Crafting Forgeries 209
The Length Extension Attack 209
Setting Up a Secure Channel 210
Communication Channels 211
Sending Secure Messages over IP Networks 212
Create a Server Socket 212
Create a Client Socket 213
Create a Threaded Server with TCP 214
Adding Symmetric Encryption 215
Concatenate Message and MAC 218
Summary221
References222
Chapter 8 Cryptographic Applications and PKI 223
The Public-Key Transformation 224
Exploring the Basics of RSA 226
Generating RSA Certificates 229
Constructing Simple Text Encryption and
Decryption with RSA Certificates 231
Constructing BLOB Encryption and
Decryption with RSA Certificates 232
The El-Gamal Cryptosystem 235
Elliptic Curve Cryptography 238
Generating ECC Keys 240
Key Lengths and Curves 241
Diffie-Hellman Key Exchange 242
Summary245
Chapter 9 Mastering Cryptography Using Python 247
Constructing a Plaintext Communications Application 248
Creating a Server 248
Creating the Client 250
Creating the Helper File 251
Execution252