mirror of
https://github.com/espressif/esp-idf.git
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85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
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/*
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* TLSv1 client - internal structures
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* Copyright (c) 2006-2011, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef TLSV1_CLIENT_I_H
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#define TLSV1_CLIENT_I_H
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struct tlsv1_client {
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enum {
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CLIENT_HELLO, SERVER_HELLO, SERVER_CERTIFICATE,
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SERVER_KEY_EXCHANGE, SERVER_CERTIFICATE_REQUEST,
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SERVER_HELLO_DONE, CLIENT_KEY_EXCHANGE, CHANGE_CIPHER_SPEC,
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SERVER_CHANGE_CIPHER_SPEC, SERVER_FINISHED, ACK_FINISHED,
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ESTABLISHED, FAILED
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} state;
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struct tlsv1_record_layer rl;
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u8 session_id[TLS_SESSION_ID_MAX_LEN];
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size_t session_id_len;
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u8 client_random[TLS_RANDOM_LEN];
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u8 server_random[TLS_RANDOM_LEN];
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u8 master_secret[TLS_MASTER_SECRET_LEN];
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u8 alert_level;
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u8 alert_description;
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unsigned int certificate_requested:1;
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unsigned int session_resumed:1;
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unsigned int session_ticket_included:1;
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unsigned int use_session_ticket:1;
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unsigned int disable_time_checks:1;
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struct crypto_public_key *server_rsa_key;
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struct tls_verify_hash verify;
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#define MAX_CIPHER_COUNT 30
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u16 cipher_suites[MAX_CIPHER_COUNT];
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size_t num_cipher_suites;
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u16 prev_cipher_suite;
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u8 *client_hello_ext;
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size_t client_hello_ext_len;
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/* The prime modulus used for Diffie-Hellman */
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u8 *dh_p;
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size_t dh_p_len;
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/* The generator used for Diffie-Hellman */
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u8 *dh_g;
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size_t dh_g_len;
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/* The server's Diffie-Hellman public value */
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u8 *dh_ys;
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size_t dh_ys_len;
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struct tlsv1_credentials *cred;
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tlsv1_client_session_ticket_cb session_ticket_cb;
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void *session_ticket_cb_ctx;
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struct wpabuf *partial_input;
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};
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void tls_alert(struct tlsv1_client *conn, u8 level, u8 description);
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void tlsv1_client_free_dh(struct tlsv1_client *conn);
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int tls_derive_pre_master_secret(u8 *pre_master_secret);
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int tls_derive_keys(struct tlsv1_client *conn,
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const u8 *pre_master_secret, size_t pre_master_secret_len);
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u8 * tls_send_client_hello(struct tlsv1_client *conn, size_t *out_len);
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u8 * tlsv1_client_send_alert(struct tlsv1_client *conn, u8 level,
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u8 description, size_t *out_len);
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u8 * tlsv1_client_handshake_write(struct tlsv1_client *conn, size_t *out_len,
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int no_appl_data);
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int tlsv1_client_process_handshake(struct tlsv1_client *conn, u8 ct,
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const u8 *buf, size_t *len,
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u8 **out_data, size_t *out_len);
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#endif /* TLSV1_CLIENT_I_H */
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