Static data files served at data.tlsref.org, used by tlsref.org.
DH Parameters — pre-built PEM files for configuring Diffie-Hellman key exchange:
/ffdhe/ffdhe2048.txt— 2048-bit FFDHE params (RFC 7919)/ffdhe/ffdhe4096.txt— 4096-bit FFDHE params (RFC 7919)
TLSRef Guidelines — JSON snapshots of the TLSRef guidelines, one file per version (4.0 through 6.0):
/guidelines/6.0.json— latest/guidelines/CHANGELOG.md— version history
tools/rfc-to-der/ contains a Python script used to generate and validate the DH parameter files from RFC hex values.
pip install asn1tools
python tools/rfc-to-der/rfc-to-der.py