Source note · SRTP and media encryption negotiation
RFC 3711 makes HMAC-SHA1 the default SRTP message authentication, with an 80-bit authentication tag and a 160-bit session authentication key.
Checked 2026-09-23
- Vendor
- IETF
- Product
- SRTP
- Subsystem
- message authentication
- 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 5.2 (Message Authentication and Integrity)
Cite this note
APA
WarmTransfer. (2026, September 23). SRTP and media encryption negotiation: source note srtp-media-security-rfc3711-hmac-sha1-80. WarmTransfer. https://warmtransfer.net/knowledge/claims/srtp-media-security-rfc3711-hmac-sha1-80
BibTeX
@misc{warmtransfer-claim-srtp-media-security-rfc3711-hmac-sha1-80,
title = {SRTP and media encryption negotiation: source note srtp-media-security-rfc3711-hmac-sha1-80},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/srtp-media-security-rfc3711-hmac-sha1-80},
note = {Source note srtp-media-security-rfc3711-hmac-sha1-80, checked 2026-09-23}
}