<table><tr><th>From:</th><th>Introduction to Cryptography Course Team &lt;</th></tr><tr><td>Sent:</td><td>Monday, February 4, 2013 8:26 AM</td></tr><tr><td>To:</td><td>jeeproject@yahoo.com</td></tr><tr><td>Subject:</td><td>Online Cryptography class: week 4</td></tr></table>

Dear jeffrey epstein,

The week 4 lectures and problem set are now posted on the course web site at

https://crypto.stanford.edu/OnlineCrypto

The problem set is due in three weeks.

This week's topic is authenticated encryption: encryption methods that ensure both confidentiality and integrity. We will also discuss a few odds and ends such as how to search on encrypted data. This is our last week studying symmetric encryption. Next week we start with key management and public-key cryptography.

As usual there is also an extra credit programming project. This week's project involves a bit of networking to experiment with a chosen ciphertext attack on a toy web site.

Enjoy,

Dan

Introduction to Cryptography Course Team You are receiving this email because jeeproject@yahoo.com is enrolled in Introduction to Cryptography <https://class.coursera.org/crypto-005/class/index> . To stop receiving similar future emails from this class, please click here <https://class.coursera.org/crypto-005/auth/stop_emails?data=dOcJqw3%2BUkFySZkz%2FCixd3dvkzOwjUKsCLWDJ9%2FtEkbK0mYT0%2BX2J4XX0yhaAi1A GFpFanrsirD2ysl6Nz0gJQ%3D%3D%7CMiDJw8maG89RPFObNVK2RCU%2BYx%2BQ9lit6yfzFNZHqlh2Ety2%2FexQZelr0xQi IzqvAsEWi%2BaEOA2YOYDWA0xoCHWAV7wUsHNXInbcP0ReS2TbI30kXpCID4VMv1p3HcpQUCCeOTqGJ7ZgllFHlKMdjgZz ahlIOot4Bt9v3mYDD4nQjxYXaK9kQtlE7pc2keXF> . Please do not reply directly to this email. If you have any questions or feedback, please post on the class discussion forums <https://class.coursera.org/crypto-005/forum/index> . For general questions, please visit our support site <http://help.coursera.org/> .

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