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Douyu Streaming
Douyu Streaming
Oct 29, 2021 · Fundamentals

Mastering WebRTC SDP: A Complete Guide to Analyzing Session Descriptions

This article provides a systematic overview of SDP (Session Description Protocol) and its detailed usage in WebRTC, covering protocol structure, media and session level fields, Plan B vs Unified Plan styles, and the extensive a‑line extensions such as codec, ICE, DTLS, and simulcast parameters.

DTLSICESDP
0 likes · 22 min read
Mastering WebRTC SDP: A Complete Guide to Analyzing Session Descriptions
Douyu Streaming
Douyu Streaming
Oct 29, 2021 · Information Security

Understanding SSL/TLS and DTLS: From Cryptographic Basics to WebRTC Security

This article explains the security risks of early Internet protocols, the evolution of SSL/TLS and DTLS, fundamental cryptographic concepts such as symmetric and asymmetric encryption, hashing, MACs, digital signatures, AES modes and padding, and how these technologies are applied in TLS handshakes, DTLS, and WebRTC.

AESDTLSSSL
0 likes · 27 min read
Understanding SSL/TLS and DTLS: From Cryptographic Basics to WebRTC Security