SDES

E127264

key management mechanism security mechanism

SDES (Session Description Protocol Security Descriptions) is a key management mechanism used to negotiate and convey cryptographic parameters for securing media streams in real-time communication protocols.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label	Occurrences
SDES canonical	1
SDES-SRTP	1

Statements (45)

Predicate	Object
instanceOf	key management mechanism ⓘ security mechanism ⓘ
abbreviationFor	Session Description Protocol ⓘ surface form: Session Description Protocol Security Descriptions
associatedWith	RTP ⓘ Session Initiation Protocol ⓘ surface form: SIP real-time communication frameworks ⓘ
category	key management for RTP ⓘ media security ⓘ
comparedWith	DTLS-SRTP ⓘ MIKEY ⓘ
conveys	SRTP parameters ⓘ crypto suites ⓘ encryption keys ⓘ
definedIn	SDP ⓘ
deployment	legacy VoIP systems ⓘ
deploymentTrend	being replaced by DTLS-SRTP in modern systems ⓘ
designGoal	simple key negotiation using SDP ⓘ
fullName	Session Description Protocol ⓘ surface form: Session Description Protocol Security Descriptions
negotiates	authentication parameters for SRTP ⓘ cipher algorithms for SRTP ⓘ key lifetime parameters ⓘ
notResponsibleFor	signaling channel security ⓘ
operatesAtLayer	application layer ⓘ
purpose	convey cryptographic parameters ⓘ negotiate cryptographic parameters ⓘ secure media streams ⓘ
relatedTo	SRTP ⓘ SRTP for secure media transport ⓘ surface form: Secure Real-time Transport Protocol
requires	signaling channel confidentiality ⓘ signaling channel integrity ⓘ
scope	media-plane security parameters ⓘ
securityLimitation	depends on signaling channel protection ⓘ keys exposed to signaling path ⓘ
securityProperty	provides media confidentiality when used with SRTP ⓘ
specifiedFor	offer/answer model in SDP ⓘ
status	considered less secure than DTLS-SRTP ⓘ
threat	key disclosure on compromised signaling servers ⓘ man-in-the-middle attacks on signaling ⓘ
transportMechanism	in-band via SDP ⓘ
usedFor	SRTP key management ⓘ
usedIn	real-time communication protocols ⓘ
usedInContext	VoIP ⓘ real-time multimedia sessions ⓘ video conferencing ⓘ
usesProtocol	Session Description Protocol ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

SRTP for secure media transport → commonlyUsedWith → SDES ⓘ

subject surface form: Secure Real-time Transport Protocol

DTLS-SRTP → relatedTo → SDES ⓘ

this entity surface form: SDES-SRTP