“…I enthusiastically invite you to contribute to a Special Issue of the open-access journal Polymers, focusing on "Host-Guest Polymer Complexes", which I and two of my former PhD students, Drs. Alper Gurarslan and Ganesh Narayanan, are editing. …”

Tabla de Contenidos: “…Practice Questions -- Chapter 6: Hacking the Caesar Cipher with Brute-Force -- Source Code for the Caesar Cipher Hacker Program -- Sample Run of the Caesar Cipher Hacker Program -- Setting Up Variables -- Looping with the range() Function -- Decrypting the Message -- Using String Formatting to Display the Key and Decrypted Messages -- Summary -- Practice Question -- Chapter 7: Encrypting with the Transposition Cipher -- How the Transposition Cipher Works -- Source Code for the Transposition Cipher Encryption Program -- Sample Run of the Transposition Cipher Encryption Program -- Creating Your Own Functions with def Statements -- Passing the Key and Message As Arguments -- The List Data Type -- The Transposition Encryption Algorithm -- Augmented Assignment Operators -- Moving currentIndex Through the Message -- The join() String Method -- Return Values and return Statements -- The __name__ Variable -- Summary -- Practice Questions -- Chapter 8: Decrypting with the Transposition Cipher -- How to Decrypt with the Transposition Cipher on Paper -- Source Code for the Transposition Cipher Decryption Program -- Sample Run of the Transposition Cipher Decryption Program -- Importing Modules and Setting Up the main() Function -- Decrypting the Message with the Key -- Calling the main() Function -- Summary -- Practice Questions -- Chapter 9: Programming a Program to Test Your Program -- Source Code for the Transposition Cipher Tester Program -- Sample Run of the Transposition Cipher Tester Program -- Importing the Modules -- Creating Pseudorandom Numbers -- Creating a Random String -- Testing Each Message -- Checking Whether the Cipher Worked and Ending the Program -- Calling the main() Function -- Testing the Test Program -- Summary -- Practice Questions -- Chapter 10: Encrypting and Decrypting Files -- Plain Text Files…”

“…This book provides practical methods for encrypting messages, an interesting and entertaining historical perspective, and an incredible collection of ciphers and codes--including 30 unbreakable methods…”

“…About the Book Secret Key Cryptography teaches you how to create Secret Key ciphers, ranging from simple pen-and-paper methods to advanced techniques used in modern computer-based cryptography. …”

Materias: “…Historia Cáceres ..-XI…”

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