The only SRTP key method RFC 4568 defines is 'inline', formatted as inline:<key||salt>[|lifetime][|MKI:length], with the base64 master key and salt concatenated.

Checked 2026-09-23

Vendor
IETF
Product
SDES
Subsystem
key parameters
Deployment
any
Region
not restricted
Release range
RFC 4568
Checked
2026-09-23

Sources

Cite this note

APA

WarmTransfer. (2026, September 23). SRTP and media encryption negotiation: source note srtp-media-security-sdes-inline-key-format. WarmTransfer. https://warmtransfer.net/knowledge/claims/srtp-media-security-sdes-inline-key-format

BibTeX

@misc{warmtransfer-claim-srtp-media-security-sdes-inline-key-format,
  title  = {SRTP and media encryption negotiation: source note srtp-media-security-sdes-inline-key-format},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/srtp-media-security-sdes-inline-key-format},
  note   = {Source note srtp-media-security-sdes-inline-key-format, checked 2026-09-23}
}

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