Computer networks -- 2007-2008 -- info.uvt.ro/Laboratory 11

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Contents 1 Encryption 1.1 Symmetric encryption 1.2 Assymetric encryption 1.3 Miscellaneous 1.4 Tools 2 Hashes 3 Digital signatures 4 Security protocols 5 Secure protocols

[edit] Encryption

• links:
  • wikipedia:Cryptography;
  • wikipedia:Encryption;
  • wikipedia:Cipher;
  • wikipedia:Key (cryptography);
  • wikipedia:Steganography;

[edit] Symmetric encryption

• links:
  • wikipedia:Symmetric-key algorithm:

• stream ciphers:
  • wikipedia:Stream cipher;
  • algorithms:
    • wikipedia:RC4;

• block ciphers:
  • wikipedia:Block cipher:
  • wikipedia:Block cipher modes of operation:
    • wikipedia:Block cipher modes of operation#Initialization vector (IV);
    • wikipedia:Block cipher modes of operation#Electronic codebook (ECB);
    • wikipedia:Block cipher modes of operation#Cipher-block chaining (CBC);
    • wikipedia:Block cipher modes of operation#Cipher feedback (CFB);
    • wikipedia:Block cipher modes of operation#Output feedback (OFB);
    • wikipedia:Block cipher modes of operation#Counter (CTR);
  • algorithms:
    • AES -- wikipedia:Advanced Encryption Standard;
    • DES -- wikipedia:Data Encryption Standard;

[edit] Assymetric encryption

• links:
  • wikipedia:Public-key cryptography;

[edit] Miscellaneous

• links:
  • wikipedia:Deniable encryption;
  • wikipedia:Plausible deniability;
  • wikipedia:Deniable authentication;
  • wikipedia:Cryptanalysis;
  • wikipedia:Rubber-hose cryptanalysis;

[edit] Tools

• GPG:
  • wikipedia:GNU Privacy Guard;
  • http://gnupg.org/;
• loop-aes and aespipe:
  • http://loop-aes.sourceforge.net/;
• LUKS:
  • wikipedia:Linux Unified Key Setup;
• PhonebookFS:
  • http://www.freenet.org.nz/phonebook/;

[edit] Hashes

• links:
  • wikipedia:Cryptographic hash function;
  • MAC -- wikipedia:Message authentication code;
  • wikipedia:Hash collision;

• algorithms:
  • MD5 -- wikipedia:MD5;
  • SHA family -- wikipedia:SHA hash functions;
  • http://www.mathstat.dal.ca/~selinger/md5collision;

• tools:
  • md5sum:
    • wikipedia:md5sum;
  • sha1sum:
    • wikipedia:sha1sum;

• usages:
  • wikipedia:Content-addressable storage;
  • wikipedia:Git (software);
  • wikipedia:Venti;

[edit] Digital signatures

• digital signatures:
  • wikipedia:Digital signature;

• certificates:
  • wikipedia:Public key certificate;
  • wikipedia:X.509;

• links:
  • http://www.schneier.com/paper-pki-ft.txt;

[edit] Security protocols

• links:
  • TLS/SSL -- wikipedia:Transport Layer Security;
  • Kerberos -- wikipedia:Kerberos (protocol);
  • IPSec -- wikipedia:IPsec;

[edit] Secure protocols

• links:
  • SSH -- wikipedia:Secure Shell;
  • HTTPS -- wikipedia:https;
  • FTPS -- wikipedia:FTPS;
  • SFTP -- wikipedia:SSH file transfer protocol;
  • SMTP over TLS/SSL;

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• conf. dr. Victoria Iordan, iordan@info.uvt.ro
• lect. drd. Horia Popa, hpopa@info.uvt.ro
• Marian Neagul, marian@info.uvt.ro
• Ciprian Dorin Crăciun, ccraciun@info.uvt.ro
• Mihail Găianu, mgaianu@info.uvt.ro