PPT-Encryption

Name Maryam Mohammed Alshami ID H00204657 Encryption is the process of encoding messages or information in such a way that only authorized parties can read it Important part of computing to keep our file . Attacking non-atomic decryption. Online Cryptography Course Dan Boneh. SSH Binary Packet Protocol. Decryption:. s. tep 1: decrypt packet length field only (!). s. How To Secure My Data. . What . to Protect???. DATA. Data At Rest. Data at Rest Examples. Worst Culprits?. Lost. Infected Easily. Used as ‘Backup’. Lent to others. Data Corruptions more common. Team 2.0. Nayan Thakkar, Eddie Gallon, David Kotar, . Bruce Malone and Pamela Dorman. Requirements for Solution. Support for: . Mid size company "X" with ~250 employees. Windows network with Exchange 2010 w/350 mailboxes. “Encryption . and . Globalization. ” – China & India. Draft: . . Adoption of . Crypto, the Cloud, and Lawful Access - Peru. “Going . Dark vs. the Golden Age of . Surveillance”. Where you are. CJ341 – Cyberlaw & Cybercrime. Lecture . #26. M. E. Kabay, PhD, CISSP-ISSMP. mailto:mekabay@gmail.com. . V: 802.479.7937. Assoc Prof Information Assurance. School of Business & Management. usna. . si110. Symmetric Encryption Limitations. Symmetric encryption algorithms use the . same key for encryption and decryption. Both parties must agree to a secret key. Fundamental limitation. How do you exchange a secret key?. Chris Edwards. IT Services. “All . confidential data . must . be encrypted where stored on a mobile . device” . Mobile Device Encryption Policy. What do we mean by “encrypted” ??. Password Protected. Rainbows (a.k.a. Spectrums). Public Private Key Encryption. HTTPS. Encryption. String Encryption. You have an account on . facebook. , LinkedIn, YouTube etc. . Your login: . costanza@seinfeld.com. Your password is : . Rainbows (a.k.a. Spectrums). Public Private Key Encryption. HTTPS. Encryption. String Encryption. You have an account on . facebook. , LinkedIn, YouTube etc. . Your login: . costanza@seinfeld.com. Your password is : . David Kauchak. CS52 – . Spring 2016. Admin. Assignment 6. Survey: respondents. 24 total respondents. Survey: “How is the class going?”. Survey: “How is the difficulty of the class?”. Survey: time spent per week. What it. is. Alice sends. a encrypted message to X (e.g. a cloud service). Public key ‘belongs to’ X. X cannot decrypt the message. But X can convert messages. Forward message to B, C, D using re-encryption. Cryptography. Is:. A tremendous tool. The basis for many security mechanisms. Is not:. The solution to all security problems. Reliable unless implemented and used properly. Something you should try to invent yourself. Citation. I would like to thank Claude Crepeau for allowing me to use his slide from his crypto course to mount my course. Some of these slides are taken directly from his course. . Comp 547 at . Mcgill. pk. , . sk. pk. c. . . . Enc. pk. (m). m. = . Dec. sk. (c). c. pk. pk. Public-key encryption. A public-key encryption scheme is composed of three PPT algorithms:. Gen: . key-generation algorithm.