ENEE/CMSC/MATH456 Cryptography: Spring 2025 Lecture Summaries

• Lecture 1 (1/27, corresponds to pre-recorded Lecture 1).
• Lecture 2 (1/29, corresponds to pre-recorded Lecture 3). See also Class Exercise. Some additional notes here.
• Lecture 3 (2/3, corresponds to pre-recorded Lecture 4). See also Class Exercise Solutions. Some additional notes here (Updated).
• Lecture 4 (2/5, corresponds to pre-recorded Lecture 5). Some additional notes here (Updated).
• Lecture 5 (2/10, corresponds to pre-recorded Lecture 6). See also Class Exercise. See also Class Exercise Short Solutions and Detailed Solutions. Some additional notes here (Updated).
• Lecture 6 (2/12 and 2/17, corresponds to pre-recorded Lecture 7). See also Class Exercise. Some additional notes here (Updated).
• Lecture 7 (2/19, corresponds to pre-recorded Lecture 8). See also Class Exercise Solutions. Some additional notes here.
• Lecture 8 (2/24, corresponds to pre-recorded Lecture 9). Some additional notes here.
• Lecture 9 (2/26, corresponds to pre-recorded Lecture 10). See also Class Exercise. Some additional notes here.
• Lecture 10 (3/3, corresponds to pre-recorded Lecture 11). See also Class Exercise Solutions. Some additional notes here.
• Lecture 11 (3/5, corresponds to pre-recorded Lecture 12). Some additional notes here.
• Lecture 12 (3/24, corresponds to pre-recorded Lecture 13). Some additional notes here (Updated).
• Lecture 13 and 14 (3/26 and 3/31, corresponds to pre-recorded Lecture 16 and 17). See also SPN Diagram. Some addtional notes here (Updated). See also Class Exercise
• Lecture 15 (4/2, corresponds to pre-recorded Lecture 18). Some addtional notes here.
• Lecture 16 (4/7, corresponds to pre-recorded Lecture 19). Some additional notes here (Updated).
• Lecture 17 (4/9, corresponds to pre-recorded Lecture 20). Some addtional notes here.
• Asynchronous activity (4/14). There is an asynchronous activity for today's lecture. Submission is online through Canvas/ELMS. Due by 4/21 @11:59pm .
• Lecture 18 (4/16, corresponds to pre-recorded Lecture 21 and 22). Some addtional notes here (Updated attack on DDH in Z^*_p to remove confusion). See also Class Exercise and Class Exercise Solutions.
• Lecture 19 (4/21, corresponds to pre-recorded Lecture 23 and 24). Some additional notes here (Updated).
• Lecture 20 and 21 (4/23 and 4/28, corresponds to pre-recorded Lecture 25 and optional Discrete-Log-based Signature lecture). Some additional notes here (Updated).
• Lecture 22 (4/30, corresponds to "Optional Special Topic Lattice-Based Cryptography"). Some additional notes here (Updated).
• Lecture 23 (5/5) Some additional notes here.