[gnutls-devel] GnuTLS | Support more SRTP profiles (AEAD_AES_256_GCM...) (#1266)

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Adrien Béraud created an issue: https://gitlab.com/gnutls/gnutls/-/issues/1266



Hi,

With WebRTC mandating DTLS-SRTP, and AES-192 and AES-256 becoming more common and increasingly expected by users, it would be great if GnuTLS could support more DTLS-SRTP profiles (currently only SRTP-128):
https://gnutls.org/manual/html_node/SRTP.html

For instance:

SRTP_AEAD_AES_128_GCM
SRTP_AEAD_AES_256_GCM
https://datatracker.ietf.org/doc/html/rfc7714#section-14.2

SRTP_AES256_CM:
https://tools.ietf.org/id/draft-lennox-avtcore-dtls-srtp-bigaes-01.html

The later still not being a formal standard, but would still be useful to support, at least experimentally.

Many thanks

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