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by tveita
3851 days ago
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RFC 7539 documents the cipher itself. It's mostly just enshrining the existing specification as an RFC, except for changing the size of the nonce and block count to meet recommended nonce sizes. There are some additional details required to use the cipher for TLS. In particular the new modes must be assigned entries in the TLS Cipher Suite Registry, which contain the official names and the numeric values used in the wire protocol. The current draft also specifies how to construct the nonce from the record sequence number and a shared secret, to avoid having to send a nonce with each record. |
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