Overview#
TLS 1.3 Cipher Suites have been reduced to only Five (5).TLS 1.2 specified 37 Cipher Suites and previous versions had as many as 319 Cipher Suites.!! TLS 1.3 Cipher Suites format has changed
TLS 1.3 Cipher Suites format:
Protocol_AEAD Block Cipher Mode_HKDFHash Function
Where:
- Protocol = TLS
- AEAD Block Cipher Mode = Which AEAD Block Cipher Mode is used
- HKDFHash Function
hex | Cipher Suite | DTLS | RECOMMENDED | Reference |
---|---|---|---|---|
0x13,0x01 | TLS_AES_128_GCM_SHA256 | Y | Y | RFC8446 |
0x13,0x02 | TLS_AES_256_GCM_SHA384 | Y | Y | RFC8446 |
0x13,0x03 | TLS_CHACHA20_POLY1305_SHA256 | Y | Y | RFC8446 |
0x13,0x04 | TLS_AES_128_CCM_SHA256 | Y | Y | RFC8446 |
0x13,0x05 | TLS_AES_128_CCM_8_SHA256] | Y | N | RFC8446 |