27 #ifndef POLARSSL_SSL_H
28 #define POLARSSL_SSL_H
36 #if defined(POLARSSL_MD5_C)
40 #if defined(POLARSSL_SHA1_C)
44 #if defined(POLARSSL_SHA256_C)
48 #if defined(POLARSSL_SHA512_C)
53 #if defined(POLARSSL_AES_C)
57 #if defined(POLARSSL_X509_CRT_PARSE_C)
62 #if defined(POLARSSL_DHM_C)
66 #if defined(POLARSSL_ECDH_C)
70 #if defined(POLARSSL_ZLIB_SUPPORT)
74 #if defined(POLARSSL_HAVE_TIME)
79 #if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED) || \
80 defined(POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED) || \
81 defined(POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED) || \
82 defined(POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
83 #define POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED
86 #if defined(_MSC_VER) && !defined(inline)
87 #define inline _inline
89 #if defined(__ARMCC_VERSION) && !defined(inline)
90 #define inline __inline
97 #define POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE -0x7080
98 #define POLARSSL_ERR_SSL_BAD_INPUT_DATA -0x7100
99 #define POLARSSL_ERR_SSL_INVALID_MAC -0x7180
100 #define POLARSSL_ERR_SSL_INVALID_RECORD -0x7200
101 #define POLARSSL_ERR_SSL_CONN_EOF -0x7280
102 #define POLARSSL_ERR_SSL_UNKNOWN_CIPHER -0x7300
103 #define POLARSSL_ERR_SSL_NO_CIPHER_CHOSEN -0x7380
104 #define POLARSSL_ERR_SSL_NO_SESSION_FOUND -0x7400
105 #define POLARSSL_ERR_SSL_NO_CLIENT_CERTIFICATE -0x7480
106 #define POLARSSL_ERR_SSL_CERTIFICATE_TOO_LARGE -0x7500
107 #define POLARSSL_ERR_SSL_CERTIFICATE_REQUIRED -0x7580
108 #define POLARSSL_ERR_SSL_PRIVATE_KEY_REQUIRED -0x7600
109 #define POLARSSL_ERR_SSL_CA_CHAIN_REQUIRED -0x7680
110 #define POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE -0x7700
111 #define POLARSSL_ERR_SSL_FATAL_ALERT_MESSAGE -0x7780
112 #define POLARSSL_ERR_SSL_PEER_VERIFY_FAILED -0x7800
113 #define POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY -0x7880
114 #define POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO -0x7900
115 #define POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO -0x7980
116 #define POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE -0x7A00
117 #define POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST -0x7A80
118 #define POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE -0x7B00
119 #define POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO_DONE -0x7B80
120 #define POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE -0x7C00
121 #define POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP -0x7C80
122 #define POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS -0x7D00
123 #define POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY -0x7D80
124 #define POLARSSL_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC -0x7E00
125 #define POLARSSL_ERR_SSL_BAD_HS_FINISHED -0x7E80
126 #define POLARSSL_ERR_SSL_MALLOC_FAILED -0x7F00
127 #define POLARSSL_ERR_SSL_HW_ACCEL_FAILED -0x7F80
128 #define POLARSSL_ERR_SSL_HW_ACCEL_FALLTHROUGH -0x6F80
129 #define POLARSSL_ERR_SSL_COMPRESSION_FAILED -0x6F00
130 #define POLARSSL_ERR_SSL_BAD_HS_PROTOCOL_VERSION -0x6E80
131 #define POLARSSL_ERR_SSL_BAD_HS_NEW_SESSION_TICKET -0x6E00
132 #define POLARSSL_ERR_SSL_SESSION_TICKET_EXPIRED -0x6D80
133 #define POLARSSL_ERR_SSL_PK_TYPE_MISMATCH -0x6D00
134 #define POLARSSL_ERR_SSL_UNKNOWN_IDENTITY -0x6C80
139 #define SSL_MAJOR_VERSION_3 3
140 #define SSL_MINOR_VERSION_0 0
141 #define SSL_MINOR_VERSION_1 1
142 #define SSL_MINOR_VERSION_2 2
143 #define SSL_MINOR_VERSION_3 3
146 #define SSL_MIN_MAJOR_VERSION SSL_MAJOR_VERSION_3
148 #if defined(POLARSSL_SSL_PROTO_SSL3)
149 #define SSL_MIN_MINOR_VERSION SSL_MINOR_VERSION_0
151 #if defined(POLARSSL_SSL_PROTO_TLS1)
152 #define SSL_MIN_MINOR_VERSION SSL_MINOR_VERSION_1
154 #if defined(POLARSSL_SSL_PROTO_TLS1_1)
155 #define SSL_MIN_MINOR_VERSION SSL_MINOR_VERSION_2
157 #if defined(POLARSSL_SSL_PROTO_TLS1_2)
158 #define SSL_MIN_MINOR_VERSION SSL_MINOR_VERSION_3
165 #define SSL_MAX_MAJOR_VERSION SSL_MAJOR_VERSION_3
167 #if defined(POLARSSL_SSL_PROTO_TLS1_2)
168 #define SSL_MAX_MINOR_VERSION SSL_MINOR_VERSION_3
170 #if defined(POLARSSL_SSL_PROTO_TLS1_1)
171 #define SSL_MAX_MINOR_VERSION SSL_MINOR_VERSION_2
173 #if defined(POLARSSL_SSL_PROTO_TLS1)
174 #define SSL_MAX_MINOR_VERSION SSL_MINOR_VERSION_1
176 #if defined(POLARSSL_SSL_PROTO_SSL3)
177 #define SSL_MAX_MINOR_VERSION SSL_MINOR_VERSION_0
185 #define SSL_MAX_FRAG_LEN_NONE 0
186 #define SSL_MAX_FRAG_LEN_512 1
187 #define SSL_MAX_FRAG_LEN_1024 2
188 #define SSL_MAX_FRAG_LEN_2048 3
189 #define SSL_MAX_FRAG_LEN_4096 4
190 #define SSL_MAX_FRAG_LEN_INVALID 5
192 #define SSL_IS_CLIENT 0
193 #define SSL_IS_SERVER 1
194 #define SSL_COMPRESS_NULL 0
195 #define SSL_COMPRESS_DEFLATE 1
197 #define SSL_VERIFY_NONE 0
198 #define SSL_VERIFY_OPTIONAL 1
199 #define SSL_VERIFY_REQUIRED 2
201 #define SSL_INITIAL_HANDSHAKE 0
202 #define SSL_RENEGOTIATION 1
204 #define SSL_LEGACY_RENEGOTIATION 0
205 #define SSL_SECURE_RENEGOTIATION 1
207 #define SSL_RENEGOTIATION_DISABLED 0
208 #define SSL_RENEGOTIATION_ENABLED 1
210 #define SSL_LEGACY_NO_RENEGOTIATION 0
211 #define SSL_LEGACY_ALLOW_RENEGOTIATION 1
212 #define SSL_LEGACY_BREAK_HANDSHAKE 2
214 #define SSL_TRUNC_HMAC_DISABLED 0
215 #define SSL_TRUNC_HMAC_ENABLED 1
216 #define SSL_TRUNCATED_HMAC_LEN 10
218 #define SSL_SESSION_TICKETS_DISABLED 0
219 #define SSL_SESSION_TICKETS_ENABLED 1
221 #if !defined(POLARSSL_CONFIG_OPTIONS)
222 #define SSL_DEFAULT_TICKET_LIFETIME 86400
232 #if !defined(POLARSSL_CONFIG_OPTIONS)
233 #define SSL_MAX_CONTENT_LEN 16384
242 #if defined(POLARSSL_ZLIB_SUPPORT)
243 #define SSL_COMPRESSION_ADD 1024
245 #define SSL_COMPRESSION_ADD 0
248 #define SSL_BUFFER_LEN (SSL_MAX_CONTENT_LEN + SSL_COMPRESSION_ADD + 512)
250 #define SSL_EMPTY_RENEGOTIATION_INFO 0xFF
256 #define SSL_HASH_NONE 0
257 #define SSL_HASH_MD5 1
258 #define SSL_HASH_SHA1 2
259 #define SSL_HASH_SHA224 3
260 #define SSL_HASH_SHA256 4
261 #define SSL_HASH_SHA384 5
262 #define SSL_HASH_SHA512 6
264 #define SSL_SIG_ANON 0
265 #define SSL_SIG_RSA 1
266 #define SSL_SIG_ECDSA 3
272 #define SSL_CERT_TYPE_RSA_SIGN 1
273 #define SSL_CERT_TYPE_ECDSA_SIGN 64
278 #define SSL_MSG_CHANGE_CIPHER_SPEC 20
279 #define SSL_MSG_ALERT 21
280 #define SSL_MSG_HANDSHAKE 22
281 #define SSL_MSG_APPLICATION_DATA 23
283 #define SSL_ALERT_LEVEL_WARNING 1
284 #define SSL_ALERT_LEVEL_FATAL 2
286 #define SSL_ALERT_MSG_CLOSE_NOTIFY 0
287 #define SSL_ALERT_MSG_UNEXPECTED_MESSAGE 10
288 #define SSL_ALERT_MSG_BAD_RECORD_MAC 20
289 #define SSL_ALERT_MSG_DECRYPTION_FAILED 21
290 #define SSL_ALERT_MSG_RECORD_OVERFLOW 22
291 #define SSL_ALERT_MSG_DECOMPRESSION_FAILURE 30
292 #define SSL_ALERT_MSG_HANDSHAKE_FAILURE 40
293 #define SSL_ALERT_MSG_NO_CERT 41
294 #define SSL_ALERT_MSG_BAD_CERT 42
295 #define SSL_ALERT_MSG_UNSUPPORTED_CERT 43
296 #define SSL_ALERT_MSG_CERT_REVOKED 44
297 #define SSL_ALERT_MSG_CERT_EXPIRED 45
298 #define SSL_ALERT_MSG_CERT_UNKNOWN 46
299 #define SSL_ALERT_MSG_ILLEGAL_PARAMETER 47
300 #define SSL_ALERT_MSG_UNKNOWN_CA 48
301 #define SSL_ALERT_MSG_ACCESS_DENIED 49
302 #define SSL_ALERT_MSG_DECODE_ERROR 50
303 #define SSL_ALERT_MSG_DECRYPT_ERROR 51
304 #define SSL_ALERT_MSG_EXPORT_RESTRICTION 60
305 #define SSL_ALERT_MSG_PROTOCOL_VERSION 70
306 #define SSL_ALERT_MSG_INSUFFICIENT_SECURITY 71
307 #define SSL_ALERT_MSG_INTERNAL_ERROR 80
308 #define SSL_ALERT_MSG_USER_CANCELED 90
309 #define SSL_ALERT_MSG_NO_RENEGOTIATION 100
310 #define SSL_ALERT_MSG_UNSUPPORTED_EXT 110
311 #define SSL_ALERT_MSG_UNRECOGNIZED_NAME 112
312 #define SSL_ALERT_MSG_UNKNOWN_PSK_IDENTITY 115
314 #define SSL_HS_HELLO_REQUEST 0
315 #define SSL_HS_CLIENT_HELLO 1
316 #define SSL_HS_SERVER_HELLO 2
317 #define SSL_HS_NEW_SESSION_TICKET 4
318 #define SSL_HS_CERTIFICATE 11
319 #define SSL_HS_SERVER_KEY_EXCHANGE 12
320 #define SSL_HS_CERTIFICATE_REQUEST 13
321 #define SSL_HS_SERVER_HELLO_DONE 14
322 #define SSL_HS_CERTIFICATE_VERIFY 15
323 #define SSL_HS_CLIENT_KEY_EXCHANGE 16
324 #define SSL_HS_FINISHED 20
329 #define TLS_EXT_SERVERNAME 0
330 #define TLS_EXT_SERVERNAME_HOSTNAME 0
332 #define TLS_EXT_MAX_FRAGMENT_LENGTH 1
334 #define TLS_EXT_TRUNCATED_HMAC 4
336 #define TLS_EXT_SUPPORTED_ELLIPTIC_CURVES 10
337 #define TLS_EXT_SUPPORTED_POINT_FORMATS 11
339 #define TLS_EXT_SIG_ALG 13
341 #define TLS_EXT_SESSION_TICKET 35
343 #define TLS_EXT_RENEGOTIATION_INFO 0xFF01
348 #if !defined(POLARSSL_MPI_MAX_SIZE)
349 #define POLARSSL_PREMASTER_SIZE 512
351 #define POLARSSL_PREMASTER_SIZE POLARSSL_MPI_MAX_SIZE
363 const unsigned char *input,
unsigned char *output,
364 size_t output_max_len );
366 int (*f_rng)(
void *,
unsigned char *, size_t),
void *p_rng,
367 int mode,
int hash_id,
unsigned int hashlen,
368 const unsigned char *hash,
unsigned char *sig );
401 #if defined(POLARSSL_SSL_SESSION_TICKETS)
404 #if defined(POLARSSL_X509_CRT_PARSE_C)
413 #if defined(POLARSSL_HAVE_TIME)
419 unsigned char id[32];
422 #if defined(POLARSSL_X509_CRT_PARSE_C)
427 #if defined(POLARSSL_SSL_SESSION_TICKETS)
433 #if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
437 #if defined(POLARSSL_SSL_TRUNCATED_HMAC)
462 #if defined(POLARSSL_SSL_PROTO_SSL3)
477 #if defined(POLARSSL_ZLIB_SUPPORT)
478 z_stream ctx_deflate;
479 z_stream ctx_inflate;
494 #if defined(POLARSSL_DHM_C)
497 #if defined(POLARSSL_ECDH_C)
500 #if defined(POLARSSL_ECDH_C) || defined(POLARSSL_ECDSA_C)
503 #if defined(POLARSSL_X509_CRT_PARSE_C)
511 #if defined(POLARSSL_SSL_SERVER_NAME_INDICATION)
519 #if defined(POLARSSL_SSL_PROTO_SSL3) || defined(POLARSSL_SSL_PROTO_TLS1) || \
520 defined(POLARSSL_SSL_PROTO_TLS1_1)
524 #if defined(POLARSSL_SSL_PROTO_TLS1_2)
525 #if defined(POLARSSL_SHA256_C)
528 #if defined(POLARSSL_SHA512_C)
536 int (*
tls_prf)(
const unsigned char *, size_t,
const char *,
537 const unsigned char *, size_t,
538 unsigned char *, size_t);
550 #if defined(POLARSSL_SSL_SESSION_TICKETS)
555 #if defined(POLARSSL_SSL_SESSION_TICKETS)
568 #if defined(POLARSSL_X509_CRT_PARSE_C)
600 int (*
f_rng)(
void *,
unsigned char *, size_t);
601 void (*
f_dbg)(
void *, int,
const char *);
602 int (*
f_recv)(
void *,
unsigned char *, size_t);
603 int (*
f_send)(
void *,
const unsigned char *, size_t);
615 #if defined(POLARSSL_SSL_SERVER_NAME_INDICATION)
620 #if defined(POLARSSL_X509_CRT_PARSE_C)
625 #if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
678 #if defined(POLARSSL_ZLIB_SUPPORT)
679 unsigned char *compress_buf;
681 #if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
688 #if defined(POLARSSL_X509_CRT_PARSE_C)
699 #if defined(POLARSSL_SSL_SESSION_TICKETS)
713 #if defined(POLARSSL_SSL_TRUNCATED_HMAC)
716 #if defined(POLARSSL_SSL_SESSION_TICKETS)
721 #if defined(POLARSSL_DHM_C)
726 #if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
736 #if defined(POLARSSL_SSL_SERVER_NAME_INDICATION)
754 #if defined(POLARSSL_SSL_HW_RECORD_ACCEL)
756 #define SSL_CHANNEL_OUTBOUND 0
757 #define SSL_CHANNEL_INBOUND 1
760 const unsigned char *key_enc,
const unsigned char *key_dec,
762 const unsigned char *iv_enc,
const unsigned char *iv_dec,
764 const unsigned char *mac_enc,
const unsigned char *mac_dec,
766 extern int (*ssl_hw_record_activate)(
ssl_context *ssl,
int direction);
767 extern int (*ssl_hw_record_reset)(
ssl_context *ssl);
768 extern int (*ssl_hw_record_write)(
ssl_context *ssl);
769 extern int (*ssl_hw_record_read)(
ssl_context *ssl);
770 extern int (*ssl_hw_record_finish)(
ssl_context *ssl);
854 #if defined(POLARSSL_X509_CRT_PARSE_C)
867 int (*f_vrfy)(
void *,
x509_crt *,
int,
int *),
879 int (*f_rng)(
void *,
unsigned char *,
size_t),
890 void (*f_dbg)(
void *,
int,
const char *),
903 int (*f_recv)(
void *,
unsigned char *,
size_t),
void *p_recv,
904 int (*f_send)(
void *,
const unsigned char *,
size_t),
void *p_send );
944 int (*f_get_cache)(
void *,
ssl_session *),
void *p_get_cache,
945 int (*f_set_cache)(
void *,
const ssl_session *),
void *p_set_cache );
986 const int *ciphersuites,
987 int major,
int minor );
989 #if defined(POLARSSL_X509_CRT_PARSE_C)
999 x509_crl *ca_crl,
const char *peer_cn );
1022 #if defined(POLARSSL_RSA_C)
1068 #if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
1082 const unsigned char *psk_identity,
size_t psk_identity_len );
1105 int (*f_psk)(
void *,
ssl_context *,
const unsigned char *,
1110 #if defined(POLARSSL_DHM_C)
1136 #if defined(POLARSSL_SSL_SERVER_NAME_INDICATION)
1169 int (*f_sni)(
void *,
ssl_context *,
const unsigned char *,
1207 #if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
1226 #if defined(POLARSSL_SSL_TRUNCATED_HMAC)
1241 #if defined(POLARSSL_SSL_SESSION_TICKETS)
1354 #if defined(POLARSSL_X509_CRT_PARSE_C)
1462 unsigned char level,
1463 unsigned char message );
1534 #if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
1538 #if defined(POLARSSL_PK_C)
1545 #if defined(POLARSSL_X509_CRT_PARSE_C)
const ecp_curve_info ** curves
int ssl_send_alert_message(ssl_context *ssl, unsigned char level, unsigned char message)
Send an alert message.
void(* f_dbg)(void *, int, const char *)
int(* f_rng)(void *, unsigned char *, size_t)
sha256_context fin_sha256
#define POLARSSL_PREMASTER_SIZE
pk_type_t ssl_pk_alg_from_sig(unsigned char sig)
Network communication functions.
char peer_verify_data[36]
int ssl_set_truncated_hmac(ssl_context *ssl, int truncate)
Activate negotiation of truncated HMAC (Client only) (Default: SSL_TRUNC_HMAC_ENABLED) ...
ssl_transform * transform_out
int(* f_sni)(void *, ssl_context *, const unsigned char *, size_t)
void(* calc_verify)(ssl_context *, unsigned char *)
ssl_session * session_negotiate
void ssl_legacy_renegotiation(ssl_context *ssl, int allow_legacy)
Prevent or allow legacy renegotiation.
int ssl_parse_certificate(ssl_context *ssl)
void ssl_set_dbg(ssl_context *ssl, void(*f_dbg)(void *, int, const char *), void *p_dbg)
Set the debug callback.
ssl_key_cert * sni_key_cert
int ssl_set_session_tickets(ssl_context *ssl, int use_tickets)
Enable / Disable session tickets (Default: SSL_SESSION_TICKETS_ENABLED on client, SSL_SESSION_TICKETS...
void ssl_set_verify(ssl_context *ssl, int(*f_vrfy)(void *, x509_crt *, int, int *), void *p_vrfy)
Set the verification callback (Optional).
ssl_transform * transform_in
const int * ciphersuite_list[4]
int ssl_parse_finished(ssl_context *ssl)
unsigned char premaster[POLARSSL_PREMASTER_SIZE]
void ssl_session_free(ssl_session *session)
Free referenced items in an SSL session including the peer certificate and clear memory.
int ssl_write_finished(ssl_context *ssl)
Configuration options (set of defines)
ssl_transform * transform
void ssl_handshake_wrapup(ssl_context *ssl)
int(* f_send)(void *, const unsigned char *, size_t)
int ssl_set_dh_param_ctx(ssl_context *ssl, dhm_context *dhm_ctx)
Set the Diffie-Hellman public P and G values, read from existing context (server-side only) ...
sha512_context fin_sha512
int ssl_handshake_server_step(ssl_context *ssl)
SSL Ciphersuites for PolarSSL.
int(* tls_prf)(const unsigned char *, size_t, const char *, const unsigned char *, size_t, unsigned char *, size_t)
unsigned char mac_key[16]
void ssl_set_max_version(ssl_context *ssl, int major, int minor)
Set the maximum supported version sent from the client side and/or accepted at the server side (Defau...
Multi-precision integer library.
void ssl_set_ciphersuites_for_version(ssl_context *ssl, const int *ciphersuites, int major, int minor)
Set the list of allowed ciphersuites for a specific version of the protocol.
int ssl_init(ssl_context *ssl)
Initialize an SSL context (An individual SSL context is not thread-safe)
int ssl_get_ciphersuite_id(const char *ciphersuite_name)
Return the ID of the ciphersuite associated with the given name.
int ssl_set_psk(ssl_context *ssl, const unsigned char *psk, size_t psk_len, const unsigned char *psk_identity, size_t psk_identity_len)
Set the Pre Shared Key (PSK) and the identity name connected to it.
void ssl_set_psk_cb(ssl_context *ssl, int(*f_psk)(void *, ssl_context *, const unsigned char *, size_t), void *p_psk)
Set the PSK callback (server-side only) (Optional).
int ssl_get_session(const ssl_context *ssl, ssl_session *session)
Save session in order to resume it later (client-side only) Session data is copied to presented sessi...
ssl_handshake_params * handshake
void(* update_checksum)(ssl_context *, const unsigned char *, size_t)
int ssl_write_certificate(ssl_context *ssl)
size_t(* rsa_key_len_func)(void *ctx)
Container for an X.509 certificate.
const char * ssl_get_ciphersuite(const ssl_context *ssl)
Return the name of the current ciphersuite.
const char * ssl_get_version(const ssl_context *ssl)
Return the current SSL version (SSLv3/TLSv1/etc)
void ssl_set_renegotiation(ssl_context *ssl, int renegotiation)
Enable / Disable renegotiation support for connection when initiated by peer (Default: SSL_RENEGOTIAT...
ssl_key_cert * key_cert
Current key/cert or key/cert list.
static x509_crt * ssl_own_cert(ssl_context *ssl)
int ssl_set_max_frag_len(ssl_context *ssl, unsigned char mfl_code)
Set the maximum fragment length to emit and/or negotiate (Default: SSL_MAX_CONTENT_LEN, usually 2^14 bytes) (Server: set maximum fragment length to emit, usually negotiated by the client during handshake (Client: set maximum fragment length to emit and negotiate with the server during handshake)
SHA-512 context structure.
int ssl_handshake_client_step(ssl_context *ssl)
int ssl_set_own_cert(ssl_context *ssl, x509_crt *own_cert, pk_context *pk_key)
Set own certificate chain and private key.
void ssl_set_endpoint(ssl_context *ssl, int endpoint)
Set the current endpoint type.
void ssl_set_ciphersuites(ssl_context *ssl, const int *ciphersuites)
Set the list of allowed ciphersuites (Overrides all version specific lists)
Curve information for use by other modules.
void ssl_set_rng(ssl_context *ssl, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
Set the random number generator callback.
void ssl_set_bio(ssl_context *ssl, int(*f_recv)(void *, unsigned char *, size_t), void *p_recv, int(*f_send)(void *, const unsigned char *, size_t), void *p_send)
Set the underlying BIO read and write callbacks.
void ssl_free(ssl_context *ssl)
Free referenced items in an SSL context and clear memory.
int(* rsa_sign_func)(void *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, int hash_id, unsigned int hashlen, const unsigned char *hash, unsigned char *sig)
unsigned char ssl_sig_from_pk(pk_context *pk)
void ssl_handshake_free(ssl_handshake_params *handshake)
Free referenced items in an SSL handshake context and clear memory.
int ssl_flush_output(ssl_context *ssl)
int ssl_handshake(ssl_context *ssl)
Perform the SSL handshake.
void ssl_set_min_version(ssl_context *ssl, int major, int minor)
Set the minimum accepted SSL/TLS protocol version (Default: SSL_MIN_MAJOR_VERSION, SSL_MIN_MINOR_VERSION)
Diffie-Hellman-Merkle key exchange.
X.509 certificate parsing and writing.
int ssl_set_hostname(ssl_context *ssl, const char *hostname)
Set hostname for ServerName TLS extension (client-side only)
int ssl_handshake_step(ssl_context *ssl)
Perform a single step of the SSL handshake.
pk_type_t
Public key types.
int ssl_parse_change_cipher_spec(ssl_context *ssl)
Elliptic curve Diffie-Hellman.
This structure is used for storing ciphersuite information.
int ssl_close_notify(ssl_context *ssl)
Notify the peer that the connection is being closed.
const x509_crt * ssl_get_peer_cert(const ssl_context *ssl)
Return the peer certificate from the current connection.
void ssl_set_session_cache(ssl_context *ssl, int(*f_get_cache)(void *, ssl_session *), void *p_get_cache, int(*f_set_cache)(void *, const ssl_session *), void *p_set_cache)
Set the session cache callbacks (server-side only) If not set, no session resuming is done...
size_t ssl_get_bytes_avail(const ssl_context *ssl)
Return the number of data bytes available to read.
int ssl_set_session(ssl_context *ssl, const ssl_session *session)
Request resumption of session (client-side only) Session data is copied from presented session struct...
int allow_legacy_renegotiation
ssl_session * session_out
void(* calc_finished)(ssl_context *, unsigned char *, int)
int ssl_read_record(ssl_context *ssl)
int ssl_set_own_cert_rsa(ssl_context *ssl, x509_crt *own_cert, rsa_context *rsa_key)
Set own certificate chain and private RSA key.
int ssl_set_dh_param(ssl_context *ssl, const char *dhm_P, const char *dhm_G)
Set the Diffie-Hellman public P and G values, read as hexadecimal strings (server-side only) (Default...
int(* f_vrfy)(void *, x509_crt *, int, int *)
void ssl_set_session_ticket_lifetime(ssl_context *ssl, int lifetime)
Set session ticket lifetime (server only) (Default: SSL_DEFAULT_TICKET_LIFETIME (86400 secs / 1 day))...
SHA-1 cryptographic hash function.
int ssl_get_verify_result(const ssl_context *ssl)
Return the result of the certificate verification.
X.509 certificate revocation list parsing.
int ssl_session_reset(ssl_context *ssl)
Reset an already initialized SSL context for re-use while retaining application-set variables...
Certificate revocation list structure.
const int * ssl_list_ciphersuites(void)
Returns the list of ciphersuites supported by the SSL/TLS module.
SHA-384 and SHA-512 cryptographic hash function.
ssl_transform * transform_negotiate
int disable_renegotiation
int ssl_write_change_cipher_spec(ssl_context *ssl)
int(* f_get_cache)(void *, ssl_session *)
int ssl_derive_keys(ssl_context *ssl)
void ssl_set_authmode(ssl_context *ssl, int authmode)
Set the certificate verification mode.
static pk_context * ssl_own_key(ssl_context *ssl)
int(* f_set_cache)(void *, const ssl_session *)
SHA-256 context structure.
int ssl_psk_derive_premaster(ssl_context *ssl, key_exchange_type_t key_ex)
int ssl_send_fatal_handshake_failure(ssl_context *ssl)
ssl_ticket_keys * ticket_keys
int ssl_read(ssl_context *ssl, unsigned char *buf, size_t len)
Read at most 'len' application data bytes.
void ssl_transform_free(ssl_transform *transform)
Free referenced items in an SSL transform context and clear memory.
unsigned char * psk_identity
const char * ssl_get_ciphersuite_name(const int ciphersuite_id)
Return the name of the ciphersuite associated with the given ID.
MD5 message digest algorithm (hash function)
int ssl_renegotiate(ssl_context *ssl)
Perform an SSL renegotiation on the running connection.
SHA-224 and SHA-256 cryptographic hash function.
int(* f_recv)(void *, unsigned char *, size_t)
unsigned char key_name[16]
int ssl_write(ssl_context *ssl, const unsigned char *buf, size_t len)
Write exactly 'len' application data bytes.
void ssl_set_ca_chain(ssl_context *ssl, x509_crt *ca_chain, x509_crl *ca_crl, const char *peer_cn)
Set the data required to verify peer certificate.
int ssl_set_own_cert_alt(ssl_context *ssl, x509_crt *own_cert, void *rsa_key, rsa_decrypt_func rsa_decrypt, rsa_sign_func rsa_sign, rsa_key_len_func rsa_key_len)
Set own certificate and alternate non-PolarSSL RSA private key and handling callbacks, such as the PKCS#11 wrappers or any other external private key handler.
void ssl_set_sni(ssl_context *ssl, int(*f_sni)(void *, ssl_context *, const unsigned char *, size_t), void *p_sni)
Set server side ServerName TLS extension callback (optional, server-side only).
int ssl_fetch_input(ssl_context *ssl, size_t nb_want)
int(* f_psk)(void *, ssl_context *, const unsigned char *, size_t)
int ssl_write_record(ssl_context *ssl)
unsigned char randbytes[64]
int(* rsa_decrypt_func)(void *ctx, int mode, size_t *olen, const unsigned char *input, unsigned char *output, size_t output_max_len)
Generic message digest context.
void ssl_optimize_checksum(ssl_context *ssl, const ssl_ciphersuite_t *ciphersuite_info)
md_type_t ssl_md_alg_from_hash(unsigned char hash)