Security Standards and Protocols (3)
SSL - session layer security
- protocol independent
- currently available for HTTP, NNTP, SMTP from Netscape
- available in Netscape navigator, Microsoft IE, most servers
- https - port 443; s-smtp- port 563; nntps - port 465
- Key exchange: RSA, D-H, Fortezza
- Encryption algorithms: RC2, RC4, IDEA, DES, 3DES
- Certificates: X.509 v3
- certificate support optional in clients (no client authentication to servers)