/* $OpenBSD: ssl_locl.h,v 1.75 2014/11/08 15:21:02 jsing Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ /* ==================================================================== * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * openssl-core@openssl.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * ECC cipher suite support in OpenSSL originally developed by * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. */ /* ==================================================================== * Copyright 2005 Nokia. All rights reserved. * * The portions of the attached software ("Contribution") is developed by * Nokia Corporation and is licensed pursuant to the OpenSSL open source * license. * * The Contribution, originally written by Mika Kousa and Pasi Eronen of * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites * support (see RFC 4279) to OpenSSL. * * No patent licenses or other rights except those expressly stated in * the OpenSSL open source license shall be deemed granted or received * expressly, by implication, estoppel, or otherwise. * * No assurances are provided by Nokia that the Contribution does not * infringe the patent or other intellectual property rights of any third * party or that the license provides you with all the necessary rights * to make use of the Contribution. * * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR * OTHERWISE. */ #ifndef HEADER_SSL_LOCL_H #define HEADER_SSL_LOCL_H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ l|=(((unsigned long)(*((c)++)))<< 8), \ l|=(((unsigned long)(*((c)++)))<<16), \ l|=(((unsigned long)(*((c)++)))<<24)) /* NOTE - c is not incremented as per c2l */ #define c2ln(c,l1,l2,n) { \ c+=n; \ l1=l2=0; \ switch (n) { \ case 8: l2 =((unsigned long)(*(--(c))))<<24; \ case 7: l2|=((unsigned long)(*(--(c))))<<16; \ case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ case 5: l2|=((unsigned long)(*(--(c)))); \ case 4: l1 =((unsigned long)(*(--(c))))<<24; \ case 3: l1|=((unsigned long)(*(--(c))))<<16; \ case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ case 1: l1|=((unsigned long)(*(--(c)))); \ } \ } #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>>24)&0xff)) #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ l|=((unsigned long)(*((c)++)))<<16, \ l|=((unsigned long)(*((c)++)))<< 8, \ l|=((unsigned long)(*((c)++)))) #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l) )&0xff)) #define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ *((c)++)=(unsigned char)(((l)>>48)&0xff), \ *((c)++)=(unsigned char)(((l)>>40)&0xff), \ *((c)++)=(unsigned char)(((l)>>32)&0xff), \ *((c)++)=(unsigned char)(((l)>>24)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l) )&0xff)) /* NOTE - c is not incremented as per l2c */ #define l2cn(l1,l2,c,n) { \ c+=n; \ switch (n) { \ case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ } \ } #define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ (((unsigned int)(c[1])) )),c+=2) #define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ c[1]=(unsigned char)(((s) )&0xff)),c+=2) #define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ (((unsigned long)(c[1]))<< 8)| \ (((unsigned long)(c[2])) )),c+=3) #define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ c[1]=(unsigned char)(((l)>> 8)&0xff), \ c[2]=(unsigned char)(((l) )&0xff)),c+=3) /* LOCAL STUFF */ #define SSL_DECRYPT 0 #define SSL_ENCRYPT 1 /* * Define the Bitmasks for SSL_CIPHER.algorithms. * This bits are used packed as dense as possible. If new methods/ciphers * etc will be added, the bits a likely to change, so this information * is for internal library use only, even though SSL_CIPHER.algorithms * can be publicly accessed. * Use the according functions for cipher management instead. * * The bit mask handling in the selection and sorting scheme in * ssl_create_cipher_list() has only limited capabilities, reflecting * that the different entities within are mutually exclusive: * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. */ /* Bits for algorithm_mkey (key exchange algorithm) */ #define SSL_kRSA 0x00000001L /* RSA key exchange */ #define SSL_kDHE 0x00000008L /* tmp DH key no DH cert */ #define SSL_kECDHr 0x00000020L /* ECDH cert, RSA CA cert */ #define SSL_kECDHe 0x00000040L /* ECDH cert, ECDSA CA cert */ #define SSL_kECDHE 0x00000080L /* ephemeral ECDH */ #define SSL_kGOST 0x00000200L /* GOST key exchange */ /* Bits for algorithm_auth (server authentication) */ #define SSL_aRSA 0x00000001L /* RSA auth */ #define SSL_aDSS 0x00000002L /* DSS auth */ #define SSL_aNULL 0x00000004L /* no auth (i.e. use ADH or AECDH) */ #define SSL_aECDH 0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */ #define SSL_aECDSA 0x00000040L /* ECDSA auth*/ #define SSL_aGOST94 0x00000100L /* GOST R 34.10-94 signature auth */ #define SSL_aGOST01 0x00000200L /* GOST R 34.10-2001 signature auth */ /* Bits for algorithm_enc (symmetric encryption) */ #define SSL_DES 0x00000001L #define SSL_3DES 0x00000002L #define SSL_RC4 0x00000004L #define SSL_IDEA 0x00000008L #define SSL_eNULL 0x00000010L #define SSL_AES128 0x00000020L #define SSL_AES256 0x00000040L #define SSL_CAMELLIA128 0x00000080L #define SSL_CAMELLIA256 0x00000100L #define SSL_eGOST2814789CNT 0x00000200L #define SSL_AES128GCM 0x00000400L #define SSL_AES256GCM 0x00000800L #define SSL_CHACHA20POLY1305 0x00001000L #define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM) #define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) /* Bits for algorithm_mac (symmetric authentication) */ #define SSL_MD5 0x00000001L #define SSL_SHA1 0x00000002L #define SSL_GOST94 0x00000004L #define SSL_GOST89MAC 0x00000008L #define SSL_SHA256 0x00000010L #define SSL_SHA384 0x00000020L /* Not a real MAC, just an indication it is part of cipher */ #define SSL_AEAD 0x00000040L /* Bits for algorithm_ssl (protocol version) */ #define SSL_SSLV3 0x00000002L #define SSL_TLSV1 SSL_SSLV3 /* for now */ #define SSL_TLSV1_2 0x00000004L /* Bits for algorithm2 (handshake digests and other extra flags) */ #define SSL_HANDSHAKE_MAC_MD5 0x10 #define SSL_HANDSHAKE_MAC_SHA 0x20 #define SSL_HANDSHAKE_MAC_GOST94 0x40 #define SSL_HANDSHAKE_MAC_SHA256 0x80 #define SSL_HANDSHAKE_MAC_SHA384 0x100 #define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) /* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX * make sure to update this constant too */ #define SSL_MAX_DIGEST 6 #define SSL3_CK_ID 0x03000000 #define SSL3_CK_VALUE_MASK 0x0000ffff #define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT) #define TLS1_PRF_DGST_SHIFT 10 #define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) #define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) #define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT) #define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT) #define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) #define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) /* Stream MAC for GOST ciphersuites from cryptopro draft * (currently this also goes into algorithm2) */ #define TLS1_STREAM_MAC 0x04 /* * SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD is an algorithm2 flag that * indicates that the variable part of the nonce is included as a prefix of * the record (AES-GCM, for example, does this with an 8-byte variable nonce.) */ #define SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD (1 << 22) /* * SSL_CIPHER_ALGORITHM2_AEAD is an algorithm2 flag that indicates the cipher * is implemented via an EVP_AEAD. */ #define SSL_CIPHER_ALGORITHM2_AEAD (1 << 23) /* * SSL_CIPHER_AEAD_FIXED_NONCE_LEN returns the number of bytes of fixed nonce * for an SSL_CIPHER with the SSL_CIPHER_ALGORITHM2_AEAD flag. */ #define SSL_CIPHER_AEAD_FIXED_NONCE_LEN(ssl_cipher) \ (((ssl_cipher->algorithm2 >> 24) & 0xf) * 2) /* * Cipher strength information. */ #define SSL_STRONG_MASK 0x000001fcL #define SSL_STRONG_NONE 0x00000004L #define SSL_LOW 0x00000020L #define SSL_MEDIUM 0x00000040L #define SSL_HIGH 0x00000080L /* * The keylength (measured in RSA key bits, I guess) for temporary keys. * Cipher argument is so that this can be variable in the future. */ #define SSL_C_PKEYLENGTH(c) 1024 /* Check if an SSL structure is using DTLS. */ #define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) /* See if we need explicit IV. */ #define SSL_USE_EXPLICIT_IV(s) \ (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) /* See if we use signature algorithms extension. */ #define SSL_USE_SIGALGS(s) \ (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) /* Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2. */ #define SSL_USE_TLS1_2_CIPHERS(s) \ (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) /* Mostly for SSLv3 */ #define SSL_PKEY_RSA_ENC 0 #define SSL_PKEY_RSA_SIGN 1 #define SSL_PKEY_DSA_SIGN 2 #define SSL_PKEY_DH_RSA 3 #define SSL_PKEY_DH_DSA 4 #define SSL_PKEY_ECC 5 #define SSL_PKEY_GOST94 6 #define SSL_PKEY_GOST01 7 #define SSL_PKEY_NUM 8 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN * SSL_aRSA <- RSA_ENC | RSA_SIGN * SSL_aDSS <- DSA_SIGN */ /* #define CERT_INVALID 0 #define CERT_PUBLIC_KEY 1 #define CERT_PRIVATE_KEY 2 */ /* From ECC-TLS draft, used in encoding the curve type in * ECParameters */ #define EXPLICIT_PRIME_CURVE_TYPE 1 #define EXPLICIT_CHAR2_CURVE_TYPE 2 #define NAMED_CURVE_TYPE 3 typedef struct cert_pkey_st { X509 *x509; EVP_PKEY *privatekey; /* Digest to use when signing */ const EVP_MD *digest; } CERT_PKEY; typedef struct cert_st { /* Current active set */ CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array * Probably it would make more sense to store * an index, not a pointer. */ /* The following masks are for the key and auth * algorithms that are supported by the certs below */ int valid; unsigned long mask_k; unsigned long mask_a; DH *dh_tmp; DH *(*dh_tmp_cb)(SSL *ssl, int is_export, int keysize); int dh_tmp_auto; EC_KEY *ecdh_tmp; EC_KEY *(*ecdh_tmp_cb)(SSL *ssl, int is_export, int keysize); int ecdh_tmp_auto; CERT_PKEY pkeys[SSL_PKEY_NUM]; int references; /* >1 only if SSL_copy_session_id is used */ } CERT; typedef struct sess_cert_st { STACK_OF(X509) *cert_chain; /* as received from peer */ /* The 'peer_...' members are used only by clients. */ int peer_cert_type; CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; /* Obviously we don't have the private keys of these, * so maybe we shouldn't even use the CERT_PKEY type here. */ RSA *peer_rsa_tmp; DH *peer_dh_tmp; EC_KEY *peer_ecdh_tmp; int references; /* actually always 1 at the moment */ } SESS_CERT; /*#define SSL_DEBUG */ /*#define RSA_DEBUG */ /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff * It is a bit of a mess of functions, but hell, think of it as * an opaque structure :-) */ typedef struct ssl3_enc_method { int (*enc)(SSL *, int); int (*mac)(SSL *, unsigned char *, int); int (*setup_key_block)(SSL *); int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); int (*change_cipher_state)(SSL *, int); int (*final_finish_mac)(SSL *, const char *, int, unsigned char *); int finish_mac_length; int (*cert_verify_mac)(SSL *, int, unsigned char *); const char *client_finished_label; int client_finished_label_len; const char *server_finished_label; int server_finished_label_len; int (*alert_value)(int); int (*export_keying_material)(SSL *, unsigned char *, size_t, const char *, size_t, const unsigned char *, size_t, int use_context); /* Flags indicating protocol version requirements. */ unsigned int enc_flags; } SSL3_ENC_METHOD; /* * Flag values for enc_flags. */ /* Uses explicit IV. */ #define SSL_ENC_FLAG_EXPLICIT_IV (1 << 0) /* Uses signature algorithms extension. */ #define SSL_ENC_FLAG_SIGALGS (1 << 1) /* Uses SHA256 default PRF. */ #define SSL_ENC_FLAG_SHA256_PRF (1 << 2) /* Is DTLS. */ #define SSL_ENC_FLAG_DTLS (1 << 3) /* Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2. */ #define SSL_ENC_FLAG_TLS1_2_CIPHERS (1 << 4) /* * ssl_aead_ctx_st contains information about an AEAD that is being used to * encrypt an SSL connection. */ struct ssl_aead_ctx_st { EVP_AEAD_CTX ctx; /* * fixed_nonce contains any bytes of the nonce that are fixed for all * records. */ unsigned char fixed_nonce[8]; unsigned char fixed_nonce_len; unsigned char variable_nonce_len; unsigned char tag_len; /* * variable_nonce_in_record is non-zero if the variable nonce * for a record is included as a prefix before the ciphertext. */ char variable_nonce_in_record; }; extern SSL3_ENC_METHOD ssl3_undef_enc_method; extern SSL_CIPHER ssl3_ciphers[]; SSL_METHOD *ssl_bad_method(int ver); const char *ssl_version_string(int ver); extern SSL3_ENC_METHOD TLSv1_enc_data; extern SSL3_ENC_METHOD TLSv1_1_enc_data; extern SSL3_ENC_METHOD TLSv1_2_enc_data; extern SSL3_ENC_METHOD SSLv3_enc_data; extern SSL3_ENC_METHOD DTLSv1_enc_data; void ssl_clear_cipher_ctx(SSL *s); int ssl_clear_bad_session(SSL *s); CERT *ssl_cert_new(void); CERT *ssl_cert_dup(CERT *cert); int ssl_cert_inst(CERT **o); void ssl_cert_free(CERT *c); SESS_CERT *ssl_sess_cert_new(void); void ssl_sess_cert_free(SESS_CERT *sc); int ssl_set_peer_cert_type(SESS_CERT *c, int type); int ssl_get_new_session(SSL *s, int session); int ssl_get_prev_session(SSL *s, unsigned char *session, int len, const unsigned char *limit); int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, const SSL_CIPHER * const *bp); STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, int num, STACK_OF(SSL_CIPHER) **skp); int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, unsigned char *p); STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, STACK_OF(SSL_CIPHER) **pref, STACK_OF(SSL_CIPHER) **sorted, const char *rule_str); void ssl_update_cache(SSL *s, int mode); int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, const EVP_MD **md, int *mac_pkey_type, int *mac_secret_size); int ssl_cipher_get_evp_aead(const SSL_SESSION *s, const EVP_AEAD **aead); int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); int ssl_undefined_function(SSL *s); int ssl_undefined_void_function(void); int ssl_undefined_const_function(const SSL *s); CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); X509 *ssl_get_server_send_cert(const SSL *); EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); DH *ssl_get_auto_dh(SSL *s); int ssl_cert_type(X509 *x, EVP_PKEY *pkey); void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); int ssl_verify_alarm_type(long type); void ssl_load_ciphers(void); void ssl3_init_finished_mac(SSL *s); int ssl3_send_server_certificate(SSL *s); int ssl3_send_newsession_ticket(SSL *s); int ssl3_send_cert_status(SSL *s); int ssl3_get_finished(SSL *s, int state_a, int state_b); int ssl3_setup_key_block(SSL *s); int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); int ssl3_change_cipher_state(SSL *s, int which); void ssl3_cleanup_key_block(SSL *s); int ssl3_do_write(SSL *s, int type); int ssl3_send_alert(SSL *s, int level, int desc); int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, int len); int ssl3_get_req_cert_type(SSL *s, unsigned char *p); long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); int ssl3_num_ciphers(void); const SSL_CIPHER *ssl3_get_cipher(unsigned int u); const SSL_CIPHER *ssl3_get_cipher_by_id(unsigned int id); uint16_t ssl3_cipher_get_value(const SSL_CIPHER *c); int ssl3_renegotiate(SSL *ssl); int ssl3_renegotiate_check(SSL *ssl); int ssl3_dispatch_alert(SSL *s); int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, unsigned char *p); int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); int ssl3_enc(SSL *s, int send_data); int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); void ssl3_free_digest_list(SSL *s); unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, STACK_OF(SSL_CIPHER) *srvr); int ssl3_setup_buffers(SSL *s); int ssl3_setup_read_buffer(SSL *s); int ssl3_setup_write_buffer(SSL *s); int ssl3_release_read_buffer(SSL *s); int ssl3_release_write_buffer(SSL *s); int ssl3_digest_cached_records(SSL *s); int ssl3_new(SSL *s); void ssl3_free(SSL *s); int ssl3_accept(SSL *s); int ssl3_connect(SSL *s); int ssl3_read(SSL *s, void *buf, int len); int ssl3_peek(SSL *s, void *buf, int len); int ssl3_write(SSL *s, const void *buf, int len); int ssl3_shutdown(SSL *s); void ssl3_clear(SSL *s); long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)(void)); long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp)(void)); int ssl3_pending(const SSL *s); void ssl3_record_sequence_increment(unsigned char *seq); int ssl3_do_change_cipher_spec(SSL *ssl); long ssl3_default_timeout(void); int ssl23_read(SSL *s, void *buf, int len); int ssl23_peek(SSL *s, void *buf, int len); int ssl23_write(SSL *s, const void *buf, int len); long ssl23_default_timeout(void); long tls1_default_timeout(void); int dtls1_do_write(SSL *s, int type); int ssl3_read_n(SSL *s, int n, int max, int extend); int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, unsigned int len); unsigned char *dtls1_set_message_header(SSL *s, unsigned char *p, unsigned char mt, unsigned long len, unsigned long frag_off, unsigned long frag_len); int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); int dtls1_send_change_cipher_spec(SSL *s, int a, int b); int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); int dtls1_read_failed(SSL *s, int code); int dtls1_buffer_message(SSL *s, int ccs); int dtls1_retransmit_message(SSL *s, unsigned short seq, unsigned long frag_off, int *found); int dtls1_get_queue_priority(unsigned short seq, int is_ccs); int dtls1_retransmit_buffered_messages(SSL *s); void dtls1_clear_record_buffer(SSL *s); void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); void dtls1_reset_seq_numbers(SSL *s, int rw); void dtls1_build_sequence_number(unsigned char *dst, unsigned char *seq, unsigned short epoch); long dtls1_default_timeout(void); struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft); int dtls1_check_timeout_num(SSL *s); int dtls1_handle_timeout(SSL *s); const SSL_CIPHER *dtls1_get_cipher(unsigned int u); void dtls1_start_timer(SSL *s); void dtls1_stop_timer(SSL *s); int dtls1_is_timer_expired(SSL *s); void dtls1_double_timeout(SSL *s); int dtls1_send_newsession_ticket(SSL *s); unsigned int dtls1_min_mtu(void); /* some client-only functions */ int ssl3_client_hello(SSL *s); int ssl3_get_server_hello(SSL *s); int ssl3_get_certificate_request(SSL *s); int ssl3_get_new_session_ticket(SSL *s); int ssl3_get_cert_status(SSL *s); int ssl3_get_server_done(SSL *s); int ssl3_send_client_verify(SSL *s); int ssl3_send_client_certificate(SSL *s); int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); int ssl3_send_client_key_exchange(SSL *s); int ssl3_get_key_exchange(SSL *s); int ssl3_get_server_certificate(SSL *s); int ssl3_check_cert_and_algorithm(SSL *s); int ssl3_check_finished(SSL *s); # ifndef OPENSSL_NO_NEXTPROTONEG int ssl3_send_next_proto(SSL *s); # endif int dtls1_client_hello(SSL *s); int dtls1_send_client_certificate(SSL *s); int dtls1_send_client_key_exchange(SSL *s); int dtls1_send_client_verify(SSL *s); /* some server-only functions */ int ssl3_get_client_hello(SSL *s); int ssl3_send_server_hello(SSL *s); int ssl3_send_hello_request(SSL *s); int ssl3_send_server_key_exchange(SSL *s); int ssl3_send_certificate_request(SSL *s); int ssl3_send_server_done(SSL *s); int ssl3_check_client_hello(SSL *s); int ssl3_get_client_certificate(SSL *s); int ssl3_get_client_key_exchange(SSL *s); int ssl3_get_cert_verify(SSL *s); #ifndef OPENSSL_NO_NEXTPROTONEG int ssl3_get_next_proto(SSL *s); #endif int dtls1_send_hello_request(SSL *s); int dtls1_send_server_hello(SSL *s); int dtls1_send_server_certificate(SSL *s); int dtls1_send_server_key_exchange(SSL *s); int dtls1_send_certificate_request(SSL *s); int dtls1_send_server_done(SSL *s); int ssl23_accept(SSL *s); int ssl23_connect(SSL *s); int ssl23_read_bytes(SSL *s, int n); int ssl23_write_bytes(SSL *s); int tls1_new(SSL *s); void tls1_free(SSL *s); void tls1_clear(SSL *s); long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); long tls1_callback_ctrl(SSL *s, int cmd, void (*fp)(void)); int dtls1_new(SSL *s); int dtls1_accept(SSL *s); int dtls1_connect(SSL *s); void dtls1_free(SSL *s); void dtls1_clear(SSL *s); long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); int dtls1_shutdown(SSL *s); long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); int dtls1_get_record(SSL *s); int do_dtls1_write(SSL *s, int type, const unsigned char *buf, unsigned int len); int dtls1_dispatch_alert(SSL *s); int dtls1_enc(SSL *s, int snd); int ssl_init_wbio_buffer(SSL *s, int push); void ssl_free_wbio_buffer(SSL *s); int tls1_change_cipher_state(SSL *s, int which); int tls1_setup_key_block(SSL *s); int tls1_enc(SSL *s, int snd); int tls1_final_finish_mac(SSL *s, const char *str, int slen, unsigned char *p); int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); int tls1_mac(SSL *ssl, unsigned char *md, int snd); int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, int len); int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, const char *label, size_t llen, const unsigned char *p, size_t plen, int use_context); int tls1_alert_code(int code); int ssl3_alert_code(int code); int ssl_ok(SSL *s); int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); int tls1_ec_curve_id2nid(int curve_id); int tls1_ec_nid2curve_id(int nid); int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); int tls1_get_shared_curve(SSL *s); unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); int ssl_prepare_clienthello_tlsext(SSL *s); int ssl_prepare_serverhello_tlsext(SSL *s); int ssl_check_clienthello_tlsext_early(SSL *s); int ssl_check_clienthello_tlsext_late(SSL *s); int ssl_check_serverhello_tlsext(SSL *s); #define tlsext_tick_md EVP_sha256 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, const unsigned char *limit, SSL_SESSION **ret); int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, const EVP_MD *md); int tls12_get_sigid(const EVP_PKEY *pk); const EVP_MD *tls12_get_hash(unsigned char hash_alg); EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); void ssl_clear_hash_ctx(EVP_MD_CTX **hash); int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, int maxlen); int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, int *al); int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, int maxlen); int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, int *al); long ssl_get_algorithm2(SSL *s); int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize); int tls12_get_req_sig_algs(SSL *s, unsigned char *p); int tls1_check_ec_server_key(SSL *s); int tls1_check_ec_tmp_key(SSL *s); int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len, int *al); int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len, int *al); /* s3_cbc.c */ void ssl3_cbc_copy_mac(unsigned char *out, const SSL3_RECORD *rec, unsigned md_size, unsigned orig_len); int ssl3_cbc_remove_padding(const SSL *s, SSL3_RECORD *rec, unsigned block_size, unsigned mac_size); int tls1_cbc_remove_padding(const SSL *s, SSL3_RECORD *rec, unsigned block_size, unsigned mac_size); char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); void ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, unsigned char *md_out, size_t *md_out_size, const unsigned char header[13], const unsigned char *data, size_t data_plus_mac_size, size_t data_plus_mac_plus_padding_size, const unsigned char *mac_secret, unsigned mac_secret_length, char is_sslv3); #endif