| Date | Announcement |
| 19/12 | Wish all of you SUPERPASS in the examination~ |
| 17/12 | Lecture Notes 3 updated (Slide 21: "B may think that the proposal is prepared by C"). Thanks to Christina for pointing out the mistake. |
| 15/12 | Solution of Assignment 3 is updated. Thanks to Terry for pointing out the mistake. |
| 14/12 | Solution of Assignment 2 and 3 are available. |
| 11/12 | The note for the revision lecture has been updated (In p.3, in the calculation of 243^22 mod 10, the extra squaring has been removed, thanks to ywwong for pointing out the mistake). |
| 08/12 | In today's lecture, we mainly listed the topics we have covered in the course. Click for the note. |
| 08/12 | From now on, consultation will be by appointments. Please send me or Shermen emails for appointment if you want to have a discussion with any of us. |
| 06/12 | Lecture Notes 5 is updated (in particular, in Slides 24, 27), thanks to the student who pointed out the error. |
| 24/11 | For those who have not yet got back the graded quiz or assignment, you can collect the scripts during the lecture on Sat or contact me for collecting them. |
| 22/11 | Slides for Lecture Notes 4 updated (Take a look at Slides 21-23, 25, 26). |
| 22/11 | Last Assignment: Assignment 3 is available. |
| 22/11 | Solution of Mid-Term Examination is available. |
| 21/11 | Lecture Notes 5 is available. |
| 20/11 | Assignment 2 is updated: All "private" are changed to "public" in Q4B. In other words, 461 and 463 are the public keys and c1 and c2 were encrypted by these public keys. Sorry for the mistake. |
| 15/11 | Lecture Notes 3 updated (Slide 39 is added). |
| 14/11 | Lecture Notes 4 is available. |
| 09/11 | In Assignment 2, Q4(b), please take n = 589. Thanks Vincent for pointing out the missing data. |
| 02/11 | Solution of Assignment 1 is available. |
| 01/11 | Slides 21, 23 added to Lecture Notes 3 (7301lect03.pdf). |
| 30/10 | Assignment 2 is released. Due date is on 22/11. [Note: Q4 and Q5 will be covered in the coming lecture.] |
| 27/10 | The mid-term examination will be held on 8 Nov and the topics covered will be everything up to (and including) Slide 16 of the last lecture (7301lect03.pdf). |
| 23/10 | The deadline of Assignment 1 is postponed by 13.5 hours. The new deadline is 25/10/03 11:59PM. |
| 20/10 | Lecture Notes 2 is updated. Mistakes in Slides 11-12 have been corrected. |
| 20/10 | Lecture Notes 1 is updated. Mistakes in Slides 24-25 have been corrected. |
| 17/10 | Tomorrow is HKU JUPAS Open Day. The venue of the lecture on this Saturday will be changed to Room 812, Knowles Building |
| 17/10 | Lecture Notes 3 is available. |
| 17/10 | Lecture Notes 2 is updated. The major changes are in Slide 27 - 38. |
| 12/10 | The link to the official errata of the textbook is posted in References section. |
| 11/10 | The deadline of Assignment 1 is postponed by 1 week. The new deadline is 25/10/03 10:30AM. |
| 10/10 | Lecture Notes 2 is available. |
| 08/10 | Our course's assignment box is the box B3 located at Chow Yei Ching Building 3/F.
Please submit your assignment 1's solution to the assignment box.
You can find the floor plan of Chow Yei Ching Building 3/F in the "contact" section.
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| 04/10 | Assignment 1 is updated.
The ciphertext pair in Q4 is changed from TSMVMMPPCWCZUGXHPECPREA... to TSMVMMPPCWCZUGXHPECPRFA...
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| 04/10 | Assignment 1 is updated.
The first plaintext-ciphertext pair in Q3 is changed from (KQ, MQ) to (KP, ZN). Thanks to William Tang and YU for pointing out the mistake.
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| 02/10 | Assignment 1 is released. Due date is on 18/10. [Note: Q4 and Q5 will be covered in the coming lecture.] |
| 27/09 | Today's lecture is cancelled. Sorry for any inconvenience caused. |
| 19/09 | Lecture Notes 1 is available. |
| 12/09 | Lecture Notes on "Introduction" is available. |
| 12/09 | Today is the birthday of this course homepage. |