2 * TLSv1 client - internal structures
3 * Copyright (c) 2006-2011, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
9 #ifndef TLSV1_CLIENT_I_H
10 #define TLSV1_CLIENT_I_H
14 CLIENT_HELLO, SERVER_HELLO, SERVER_CERTIFICATE,
15 SERVER_KEY_EXCHANGE, SERVER_CERTIFICATE_REQUEST,
16 SERVER_HELLO_DONE, CLIENT_KEY_EXCHANGE, CHANGE_CIPHER_SPEC,
17 SERVER_CHANGE_CIPHER_SPEC, SERVER_FINISHED, ACK_FINISHED,
21 struct tlsv1_record_layer rl;
23 u8 session_id[TLS_SESSION_ID_MAX_LEN];
24 size_t session_id_len;
25 u8 client_random[TLS_RANDOM_LEN];
26 u8 server_random[TLS_RANDOM_LEN];
27 u8 master_secret[TLS_MASTER_SECRET_LEN];
32 unsigned int flags; /* TLS_CONN_* bitfield */
34 unsigned int certificate_requested:1;
35 unsigned int session_resumed:1;
36 unsigned int session_ticket_included:1;
37 unsigned int use_session_ticket:1;
38 unsigned int cert_in_cb:1;
39 unsigned int ocsp_resp_received:1;
41 struct crypto_public_key *server_rsa_key;
43 struct tls_verify_hash verify;
45 #define MAX_CIPHER_COUNT 30
46 u16 cipher_suites[MAX_CIPHER_COUNT];
47 size_t num_cipher_suites;
49 u16 prev_cipher_suite;
52 size_t client_hello_ext_len;
54 /* The prime modulus used for Diffie-Hellman */
57 /* The generator used for Diffie-Hellman */
60 /* The server's Diffie-Hellman public value */
64 struct tlsv1_credentials *cred;
66 tlsv1_client_session_ticket_cb session_ticket_cb;
67 void *session_ticket_cb_ctx;
69 struct wpabuf *partial_input;
71 void (*event_cb)(void *ctx, enum tls_event ev,
72 union tls_event_data *data);
75 struct x509_certificate *server_cert;
79 void tls_alert(struct tlsv1_client *conn, u8 level, u8 description);
80 void tlsv1_client_free_dh(struct tlsv1_client *conn);
81 int tls_derive_pre_master_secret(u8 *pre_master_secret);
82 int tls_derive_keys(struct tlsv1_client *conn,
83 const u8 *pre_master_secret, size_t pre_master_secret_len);
84 u8 * tls_send_client_hello(struct tlsv1_client *conn, size_t *out_len);
85 u8 * tlsv1_client_send_alert(struct tlsv1_client *conn, u8 level,
86 u8 description, size_t *out_len);
87 u8 * tlsv1_client_handshake_write(struct tlsv1_client *conn, size_t *out_len,
89 int tlsv1_client_process_handshake(struct tlsv1_client *conn, u8 ct,
90 const u8 *buf, size_t *len,
91 u8 **out_data, size_t *out_len);
93 enum tls_ocsp_result {
94 TLS_OCSP_NO_RESPONSE, TLS_OCSP_INVALID, TLS_OCSP_GOOD, TLS_OCSP_REVOKED
97 enum tls_ocsp_result tls_process_ocsp_response(struct tlsv1_client *conn,
98 const u8 *resp, size_t len);
100 #endif /* TLSV1_CLIENT_I_H */