Source note · SRTP and media encryption negotiation
RFC 3711 defaults to a 128-bit SRTP master key, a 112-bit master salt and a key derivation rate of zero, meaning session keys are derived once and not periodically refreshed.
Checked 2026-09-23
- Vendor
- IETF
- Product
- SRTP
- Subsystem
- key derivation
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 3711
- Checked
- 2026-09-23
Sources
- RFC 3711: The Secure Real-time Transport Protocol (SRTP) — IETF / RFC Editor · tier 1 standards and regulators · Section 5.3 (Key Derivation)
Cite this note
APA
WarmTransfer. (2026, September 23). SRTP and media encryption negotiation: source note srtp-media-security-rfc3711-master-key-salt. WarmTransfer. https://warmtransfer.net/knowledge/claims/srtp-media-security-rfc3711-master-key-salt
BibTeX
@misc{warmtransfer-claim-srtp-media-security-rfc3711-master-key-salt,
title = {SRTP and media encryption negotiation: source note srtp-media-security-rfc3711-master-key-salt},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/srtp-media-security-rfc3711-master-key-salt},
note = {Source note srtp-media-security-rfc3711-master-key-salt, checked 2026-09-23}
}