9.9 KiB
| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| Cipher suite - Glossary | MDN | 1/3 | https://developer.mozilla.org/en-US/docs/Glossary/Cipher_suite | reference | web, html, css, javascript, documentation | 2026-05-05T05:27:32.616760+00:00 | kb-cron |
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Cipher suite
Cipher suite is a combination of a key exchange algorithm, authentication method, bulk encryption cipher, and message authentication code. In a crypto system like TLS, the client and server must agree on a cipher suite before they can begin communicating securely. A typical cipher suite looks like ECDHE_RSA_WITH_AES_128_GCM_SHA256 or ECDHE-RSA-AES128-GCM-SHA256, indicating:
- ECDHE (elliptic curve Diffie–Hellman ephemeral) for key exchange
- RSA for authentication
- AES-128 as the cipher, with Galois/Counter Mode (GCM) as the block cipher mode of operation
- SHA-256 as the hash-based message authentication code (HMAC)