LDAPWiki: TLS 1.3 Cipher Suites

TLS 1.3 Cipher Suites

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_HKDF Hash Function
Where:

Protocol = TLS
AEAD Block Cipher Mode = Which AEAD Block Cipher Mode is used
HKDF Hash 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

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More Information#

There might be more information for this subject on one of the following:

TLS 1.3

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