AEAD (Authenticated Encryption with Associated Data)
A class of ciphers that encrypt data and authenticate it in a single operation. AES-GCM and ChaCha20-Poly1305 are the standard AEAD ciphers in TLS 1.2 and the only ones allowed in TLS 1.3.
Source
- IETF — RFC 5116 — AEAD Interface
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A TLS cert valid for one subdomain level — `*.example.com` covers `api.example.com` but NOT `v2.api.example…
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