Authentication, Encryption and Compression
SAP features separate methods for authenticating and encrypting announcements. Use of encryption is not recommended. Authentication prevents unauthorized modification and other DoS attacks. Authentication is optional. Two authentication schemes are supported:
- Pretty Good Privacy as defined in RFC 2440
- Cryptographic Message Syntax as defined in RFC 5652
The message body may optionally be compressed using the zlib format as defined in RFC 1950.
Read more about this topic: Session Announcement Protocol
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