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Ci-dessous, les différences entre deux révisions de la page.
| — | 160-tls:050-tls1_3 [le 14/06/2026 à 14:36] (Version actuelle) – créée prof | ||
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| Ligne 1: | Ligne 1: | ||
| + | ====== TLS1.3 ====== | ||
| + | {{: | ||
| + | Même manipulation qu'à la page précédente, | ||
| + | - Le client commence par envoyer non seulement le ClientHello et la liste des chiffrements pris en charge, mais il tente également de deviner l' | ||
| + | - Le serveur envoie le ServerHello, | ||
| + | - Le client reçoit ces informations, | ||
| + | |||
| + | Les étapes sont plus condensées, | ||
| + | ===== Dialogue client/ | ||
| + | même **Wireshark**, | ||
| + | ==== Client Hello ==== | ||
| + | C'est le même que précédemment, | ||
| + | < | ||
| + | Transport Layer Security | ||
| + | TLSv1.3 Record Layer: Handshake Protocol: Client Hello | ||
| + | ... | ||
| + | Handshake Protocol: Client Hello | ||
| + | ... | ||
| + | <span class=" | ||
| + | Cipher Suite: TLS_AES_128_GCM_SHA256 (0x1301) | ||
| + | Cipher Suite: TLS_CHACHA20_POLY1305_SHA256 (0x1303) | ||
| + | Cipher Suite: TLS_AES_256_GCM_SHA384 (0x1302) | ||
| + | Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02b)</ | ||
| + | Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f) | ||
| + | Cipher Suite: TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca9) | ||
| + | Cipher Suite: TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca8) | ||
| + | Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (0xc02c) | ||
| + | Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030) | ||
| + | Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA (0xc00a) | ||
| + | Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA (0xc009) | ||
| + | Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013) | ||
| + | Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014) | ||
| + | Cipher Suite: TLS_RSA_WITH_AES_128_GCM_SHA256 (0x009c) | ||
| + | Cipher Suite: TLS_RSA_WITH_AES_256_GCM_SHA384 (0x009d) | ||
| + | Cipher Suite: TLS_RSA_WITH_AES_128_CBC_SHA (0x002f) | ||
| + | Cipher Suite: TLS_RSA_WITH_AES_256_CBC_SHA (0x0035) | ||
| + | ... | ||
| + | <span class=" | ||
| + | Type: key_share (51) | ||
| + | Length: 1327 | ||
| + | Key Share extension | ||
| + | Client Key Share Length: 1325 | ||
| + | Key Share Entry: Group: Unknown (4588), Key Exchange length: 1216 | ||
| + | Group: Unknown (4588) | ||
| + | Key Exchange Length: 1216 | ||
| + | Key Exchange: 5bfb3a1f7278129c6820110440c4233c5c27b4e270c0c07a24ba90bdab0c5ac5900c8b7c… | ||
| + | Key Share Entry: Group: x25519, Key Exchange length: 32 | ||
| + | Group: x25519 (29) | ||
| + | Key Exchange Length: 32 | ||
| + | Key Exchange: 408f3eb90715584d04d0fce4037155deb6897a3fbef56fa9c80d6cf1b33cc938 | ||
| + | Key Share Entry: Group: secp256r1, Key Exchange length: 65 | ||
| + | Group: secp256r1 (23) | ||
| + | Key Exchange Length: 65 | ||
| + | Key Exchange: 04a090373835f3bd66bd236ac4fa04d525c4eec796554a3efd9b3c005301ce9625fbe942…</ | ||
| + | Extension: supported_versions (len=5) | ||
| + | Type: supported_versions (43) | ||
| + | Length: 5 | ||
| + | Supported Versions length: 4 | ||
| + | Supported Version: TLS 1.3 (0x0304) | ||
| + | Supported Version: TLS 1.2 (0x0303) | ||
| + | Extension: signature_algorithms (len=24) | ||
| + | Type: signature_algorithms (13) | ||
| + | Length: 24 | ||
| + | Signature Hash Algorithms Length: 22 | ||
| + | Signature Hash Algorithms (11 algorithms) | ||
| + | Signature Algorithm: ecdsa_secp256r1_sha256 (0x0403) | ||
| + | Signature Algorithm: ecdsa_secp384r1_sha384 (0x0503) | ||
| + | Signature Algorithm: ecdsa_secp521r1_sha512 (0x0603) | ||
| + | Signature Algorithm: rsa_pss_rsae_sha256 (0x0804) | ||
| + | Signature Algorithm: rsa_pss_rsae_sha384 (0x0805) | ||
| + | Signature Algorithm: rsa_pss_rsae_sha512 (0x0806) | ||
| + | Signature Algorithm: rsa_pkcs1_sha256 (0x0401) | ||
| + | Signature Algorithm: rsa_pkcs1_sha384 (0x0501) | ||
| + | Signature Algorithm: rsa_pkcs1_sha512 (0x0601) | ||
| + | Signature Algorithm: ecdsa_sha1 (0x0203) | ||
| + | Signature Algorithm: rsa_pkcs1_sha1 (0x0201) | ||
| + | <span class=" | ||
| + | Type: psk_key_exchange_modes (45) | ||
| + | Length: 2 | ||
| + | PSK Key Exchange Modes Length: 1 | ||
| + | PSK Key Exchange Mode: PSK with (EC)DHE key establishment (psk_dhe_ke) (1)</ | ||
| + | ... | ||
| + | </ | ||
| + | ==== Server Hello ==== | ||
| + | < | ||
| + | Transport Layer Security | ||
| + | TLSv1.3 Record Layer: Handshake Protocol: Server Hello | ||
| + | Content Type: Handshake (22) | ||
| + | Version: TLS 1.2 (0x0303) | ||
| + | Length: 1210 | ||
| + | Handshake Protocol: Server Hello | ||
| + | ... | ||
| + | <span class=" | ||
| + | ... | ||
| + | <span class=" | ||
| + | Key Share extension | ||
| + | Key Share Entry: Group: Unknown (4588), Key Exchange length: 1120 | ||
| + | Group: Unknown (4588) | ||
| + | Key Exchange Length: 1120 | ||
| + | Key Exchange: d24f2df9c0d50faac4cf6ff1056a2d142ca9f083965bbe4b463d61f6cc7d3270dc4ab10c…</ | ||
| + | ... | ||
| + | <span class=" | ||
| + | ... | ||
| + | [Content Type: Handshake (22)] | ||
| + | Handshake Protocol: Certificate | ||
| + | Handshake Type: Certificate (11) | ||
| + | ... | ||
| + | ... | ||
| + | ...</ | ||
| + | <span class=" | ||
| + | Handshake Protocol: Certificate Verify | ||
| + | Signature Algorithm: ecdsa_secp256r1_sha256 (0x0403) | ||
| + | Signature: 304502200844b6c636d5aca69a80b89a325b0bf07aa4bf0b01c4879315ceec47883558a7…</ | ||
| + | < | ||
| + | ... | ||
| + | </ | ||
| + | Ici le serveur sélectionne une suite cryptographique différente, | ||
| + | |||
| + | L' | ||
TLS1.3: Dernière modification le: 14/06/2026 à 14:36 par prof