Afkoder til ciphersuiter
Indtast en TLS-ciphersuite, som IANA-navn, OpenSSL- eller GnuTLS-navn, eller et hexadecimalt kodepunkt, for at bryde den ned i nøgleudveksling, autentificering, kryptering, tilstand og MAC, med en letforståelig sikkerhedsvurdering og den officielle IANA-anbefaling. Kører helt i din browser mod en indlejret kopi af IANA-registret.
TLS og transportAfkodningen kører lokalt mod en indlejret kopi af IANA's register over TLS-ciphersuiter. Intet sendes nogen steder hen.
Nøgleudvekslingsgrupper
TLS forhandler selve nøgleaftalegruppen separat fra cipher suiten, i udvidelsen supported_groups. Da "harvest now, decrypt later" driver overgangen til post-kvante-nøgleudveksling, kombinerer de hybride grupper nedenfor en klassisk kurve med ML-KEM.
- X25519MLKEM7680x11EC
Kombinerer X25519 med ML-KEM-768
- SecP256r1MLKEM7680x11EB
Kombinerer secp256r1 (P-256) med ML-KEM-768
- SecP384r1MLKEM10240x11ED
Kombinerer secp384r1 (P-384) med ML-KEM-1024
- curveSM2MLKEM7680x11EE
Kombinerer SM2 med ML-KEM-768
- X25519Kyber768Draft000x6399
Kombinerer X25519 med Kyber768 (draft)
- SecP256r1Kyber768Draft000x639A
Kombinerer secp256r1 (P-256) med Kyber768 (draft)
- x255190x001D
- x4480x001E
- secp256r10x0017
- secp384r10x0018
- secp521r10x0019
- secp224r10x0015
- secp192r10x0013
- ffdhe20480x0100
- ffdhe30720x0101
- ffdhe40960x0102
- ffdhe61440x0103
- ffdhe81920x0104
X25519MLKEM768 er den hybride gruppe, som de fleste browsere nu sender som standard.
All results are computed locally from the cipher suite you enter. The code points, names, and the IANA "Recommended" and DTLS-OK flags come from a bundled snapshot of the IANA TLS Cipher Suite registry; the structural breakdown (key exchange, authentication, cipher, mode, MAC) and the security read-out are derived in your browser. Nothing is looked up remotely.
- IANA TLS Cipher Suites registryAuthoritative code points, names, and the Recommended / DTLS-OK flags
- RFC 8446 (TLS 1.3)TLS 1.3 cipher-suite form (symmetric cipher and hash only)
- RFC 9846 (TLS 1.3, current revision)The December 2025 revision of TLS 1.3, obsoleting RFC 8446; the cipher-suite form and the five suites carry over unchanged
- RFC 8447Meaning of the "Recommended" column (Y / N / D)
- RFC 7465RC4 prohibited for TLS
- RFC 84293DES and IDEA deprecated for TLS
- ciphersuite.infoOpenSSL and GnuTLS cross-names
- The Illustrated TLS 1.2 Connection (Michael Driscoll)Byte-by-byte annotated TLS 1.2 handshake, showing the negotiated suite on the wire
- The Illustrated TLS 1.3 Connection (Michael Driscoll)Byte-by-byte annotated TLS 1.3 handshake, showing the short suite and separate key_share negotiation