Source note · SRTP and media encryption negotiation
RFC 3711 makes the NULL cipher mandatory to implement alongside AES-CM, which permits SRTP streams that are authenticated but not encrypted.
Checked 2026-09-23
- Vendor
- IETF
- Product
- SRTP
- Subsystem
- encryption transforms
- 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 5.1 (Encryption); Section 4.1.3 (NULL Cipher)
Cite this note
APA
WarmTransfer. (2026, September 23). SRTP and media encryption negotiation: source note srtp-media-security-rfc3711-null-cipher-mti. WarmTransfer. https://warmtransfer.net/knowledge/claims/srtp-media-security-rfc3711-null-cipher-mti
BibTeX
@misc{warmtransfer-claim-srtp-media-security-rfc3711-null-cipher-mti,
title = {SRTP and media encryption negotiation: source note srtp-media-security-rfc3711-null-cipher-mti},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/srtp-media-security-rfc3711-null-cipher-mti},
note = {Source note srtp-media-security-rfc3711-null-cipher-mti, checked 2026-09-23}
}