[thirdparty/openssl.git] / ssl / ssl_locl.h

/* ssl/ssl_locl.h */
/* 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.]
 */

#ifndef HEADER_SSL_LOCL_H
#define HEADER_SSL_LOCL_H
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <errno.h>

#include <openssl/e_os.h>

#include <openssl/buffer.h>
#include <openssl/comp.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/stack.h>
#include <openssl/x509.h>
#include <openssl/err.h>
#include <openssl/ssl.h>

#define PKCS1_CHECK

#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))

/* 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 TWO_BYTE_BIT	0x80
#define SEC_ESC_BIT	0x40
#define TWO_BYTE_MASK	0x7fff
#define THREE_BYTE_MASK	0x3fff

#define INC32(a)	((a)=((a)+1)&0xffffffffL)
#define DEC32(a)	((a)=((a)-1)&0xffffffffL)
#define MAX_MAC_SIZE	20 /* up from 16 for SSLv3 */

#define SSL_MKEY_MASK		0x0000001FL
#define SSL_kRSA		0x00000001L /* RSA key exchange */
#define SSL_kDHr		0x00000002L /* DH cert RSA CA cert */
#define SSL_kDHd		0x00000004L /* DH cert DSA CA cert */
#define SSL_kFZA		0x00000008L
#define SSL_kEDH		0x00000010L /* tmp DH key no DH cert */
#define SSL_EDH			(SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL))

#define SSL_AUTH_MASK		0x000003e0L
#define SSL_aRSA		0x00000020L /* Authenticate with RSA */
#define SSL_aDSS 		0x00000040L /* Authenticate with DSS */
#define SSL_DSS 		SSL_aDSS
#define SSL_aFZA 		0x00000080L
#define SSL_aNULL 		0x00000100L /* no Authenticate, ADH */
#define SSL_aDH 		0x00000200L /* no Authenticate, ADH */

#define SSL_NULL		(SSL_eNULL)
#define SSL_ADH			(SSL_kEDH|SSL_aNULL)
#define SSL_RSA			(SSL_kRSA|SSL_aRSA)
#define SSL_DH			(SSL_kDHr|SSL_kDHd|SSL_kEDH)
#define SSL_FZA			(SSL_aFZA|SSL_kFZA|SSL_eFZA)

#define SSL_ENC_MASK		0x0001Fc00L
#define SSL_DES			0x00000400L
#define SSL_3DES		0x00000800L
#define SSL_RC4			0x00001000L
#define SSL_RC2			0x00002000L
#define SSL_IDEA		0x00004000L
#define SSL_eFZA		0x00008000L
#define SSL_eNULL		0x00010000L

#define SSL_MAC_MASK		0x00060000L
#define SSL_MD5			0x00020000L
#define SSL_SHA1		0x00040000L
#define SSL_SHA			(SSL_SHA1)

#define SSL_EXP_MASK		0x00300000L
#define SSL_EXP40		0x00100000L
#define SSL_NOT_EXP		0x00200000L
#define SSL_EXP56		0x00300000L
#define SSL_IS_EXPORT(a)	((a)&SSL_EXP40)
#define SSL_IS_EXPORT56(a)	(((a)&SSL_EXP_MASK) == SSL_EXP56)
#define SSL_IS_EXPORT40(a)	(((a)&SSL_EXP_MASK) == SSL_EXP40)
#define SSL_C_IS_EXPORT(c)	SSL_IS_EXPORT((c)->algorithms)
#define SSL_C_IS_EXPORT56(c)	SSL_IS_EXPORT56((c)->algorithms)
#define SSL_C_IS_EXPORT40(c)	SSL_IS_EXPORT40((c)->algorithms)
#define SSL_EXPORT_KEYLENGTH(a)	(SSL_IS_EXPORT40(a) ? 5 : \
				 ((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7)
#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
#define SSL_C_EXPORT_KEYLENGTH(c)	SSL_EXPORT_KEYLENGTH((c)->algorithms)
#define SSL_C_EXPORT_PKEYLENGTH(c)	SSL_EXPORT_PKEYLENGTH((c)->algorithms)

#define SSL_SSL_MASK		0x00c00000L
#define SSL_SSLV2		0x00400000L
#define SSL_SSLV3		0x00800000L
#define SSL_TLSV1		SSL_SSLV3	/* for now */

#define SSL_STRONG_MASK		0x07000000L
#define SSL_LOW			0x01000000L
#define SSL_MEDIUM		0x02000000L
#define SSL_HIGH		0x04000000L

/* we have used 0fffffff - 4 bits left to go */
#define SSL_ALL			0xffffffffL
#define SSL_ALL_CIPHERS		(SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\
				SSL_MAC_MASK|SSL_EXP_MASK)

/* 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_NUM		5

/* 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_kEDH <- 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
*/

typedef struct cert_pkey_st
	{
	X509 *x509;
/*	EVP_PKEY *publickey; *//* when extracted */
	EVP_PKEY *privatekey;
	} CERT_PKEY;

typedef struct cert_st
	{
	int cert_type;

#ifdef undef
	X509 *x509;
	EVP_PKEY *publickey; /* when extracted */
	EVP_PKEY *privatekey;

	pkeys[SSL_PKEY_RSA_ENC].x509
/*	pkeys[SSL_PKEY_RSA_ENC].publickey */
	pkeys[SSL_PKEY_RSA_ENC].privatekey
#endif

	/* Current active set */
	CERT_PKEY *key;

	/* The following masks are for the key and auth
	 * algorithms that are supported by the certs below */
	int valid;
	unsigned long mask;
	unsigned long export_mask;

	RSA *rsa_tmp;
	DH *dh_tmp;
	/* FIXME: Although rsa_tmp and dh_tmp are properties of the cert,
	   callbacks probably aren't, and besides only the context default
	   cert's callbacks are actually used. Too close to a release to fix
	   this now - Ben 6 Mar 1999 */
	RSA *(*rsa_tmp_cb)(SSL *ssl,int export,int keysize);
	DH *(*dh_tmp_cb)(SSL *ssl,int export,int keysize);
	CERT_PKEY pkeys[SSL_PKEY_NUM];

	STACK_OF(X509) *cert_chain;

	int references;
	} CERT;

/*#define MAC_DEBUG	*/

/*#define ERR_DEBUG	*/
/*#define ABORT_DEBUG	*/
/*#define PKT_DEBUG 1   */
/*#define DES_DEBUG	*/
/*#define DES_OFB_DEBUG	*/
/*#define SSL_DEBUG	*/
/*#define RSA_DEBUG	*/ 
/*#define IDEA_DEBUG	*/ 

#define FP_ICC  (int (*)(const void *,const void *))
#define ssl_put_cipher_by_char(ssl,ciph,ptr) \
		((ssl)->method->put_cipher_by_char((ciph),(ptr)))
#define ssl_get_cipher_by_char(ssl,ptr) \
		((ssl)->method->get_cipher_by_char(ptr))

/* 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 strucute :-) */
typedef struct ssl3_enc_method
	{
	int (*enc)();
	int (*mac)();
	int (*setup_key_block)();
	int (*generate_master_secret)();
	int (*change_cipher_state)();
	int (*final_finish_mac)();
	int finish_mac_length;
	int (*cert_verify_mac)();
	unsigned char client_finished[20];
	int client_finished_len;
	unsigned char server_finished[20];
	int server_finished_len;
	int (*alert_value)();
	} SSL3_ENC_METHOD;

/* Used for holding the relevant compression methods loaded into SSL_CTX */
typedef struct ssl3_comp_st
	{
	int comp_id;	/* The identifer byte for this compression type */
	char *name;	/* Text name used for the compression type */
	COMP_METHOD *method; /* The method :-) */
	} SSL3_COMP;

extern SSL3_ENC_METHOD ssl3_undef_enc_method;
extern SSL_CIPHER ssl2_ciphers[];
extern SSL_CIPHER ssl3_ciphers[];


SSL_METHOD *ssl_bad_method(int ver);
SSL_METHOD *sslv2_base_method(void);
SSL_METHOD *sslv23_base_method(void);
SSL_METHOD *sslv3_base_method(void);

void ssl_clear_cipher_ctx(SSL *s);
int ssl_clear_bad_session(SSL *s);
CERT *ssl_cert_new(void);
int ssl_cert_instantiate(CERT **o, CERT *d);
void ssl_cert_free(CERT *c);
int ssl_set_cert_type(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);
int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b);
int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **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(SSL_METHOD *meth,
					     STACK_OF(SSL_CIPHER) **pref,
					     STACK_OF(SSL_CIPHER) **sorted,
					     char *str);
void ssl_update_cache(SSL *s, int mode);
int ssl_cipher_get_evp(SSL_SESSION *s,const EVP_CIPHER **enc,const EVP_MD **md,
		       SSL_COMP **comp);
int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
int ssl_undefined_function(SSL *s);
X509 *ssl_get_server_send_cert(SSL *);
EVP_PKEY *ssl_get_sign_pkey(SSL *,SSL_CIPHER *);
int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
void ssl_set_cert_masks(CERT *c,CERT *default_cert,SSL_CIPHER *cipher);
STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
int ssl_verify_alarm_type(long type);

int ssl2_enc_init(SSL *s, int client);
void ssl2_generate_key_material(SSL *s);
void ssl2_enc(SSL *s,int send_data);
void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
int ssl2_part_read(SSL *s, unsigned long f, int i);
int ssl2_do_write(SSL *s);
int ssl2_set_certificate(SSL *s, int type, int len, unsigned char *data);
void ssl2_return_error(SSL *s,int reason);
void ssl2_write_error(SSL *s);
int ssl2_num_ciphers(void);
SSL_CIPHER *ssl2_get_cipher(unsigned int u);
int	ssl2_new(SSL *s);
void	ssl2_free(SSL *s);
int	ssl2_accept(SSL *s);
int	ssl2_connect(SSL *s);
int	ssl2_read(SSL *s, void *buf, int len);
int	ssl2_peek(SSL *s, char *buf, int len);
int	ssl2_write(SSL *s, const void *buf, int len);
int	ssl2_shutdown(SSL *s);
void	ssl2_clear(SSL *s);
long	ssl2_ctrl(SSL *s,int cmd, long larg, char *parg);
long	ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, char *parg);
int	ssl2_pending(SSL *s);

SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
void ssl3_init_finished_mac(SSL *s);
int ssl3_send_server_certificate(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);
void 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, unsigned char *sender,int slen);
int ssl3_num_ciphers(void);
SSL_CIPHER *ssl3_get_cipher(unsigned int u);
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 ssl3_part_read(SSL *s, int i);
int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1,EVP_MD_CTX *ctx2,
	unsigned char *sender, int slen,unsigned char *p);
int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
int ssl3_enc(SSL *s, int send_data);
int ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *have,
			       STACK_OF(SSL_CIPHER) *pref);
int	ssl3_setup_buffers(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,char *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, char *parg);
long	ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, char *parg);
int	ssl3_pending(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, char *parg);
SSL_METHOD *tlsv1_base_method(void );

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, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx,
	unsigned char *str, int slen, unsigned char *p);
int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, 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_alert_code(int code);
int ssl3_alert_code(int code);
int ssl_ok(SSL *s);

SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);


#endif
Commit	Line	Data
d02b48c6	1	/* ssl/ssl_locl.h */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#ifndef HEADER_SSL_LOCL_H
	60	#define HEADER_SSL_LOCL_H
	61	#include <stdlib.h>
	62	#include <time.h>
	63	#include <string.h>
	64	#include <errno.h>
	65
ec577822	66	#include <openssl/e_os.h>
d02b48c6	67
ec577822 BM	68	#include <openssl/buffer.h>
	69	#include <openssl/comp.h>
	70	#include <openssl/bio.h>
	71	#include <openssl/crypto.h>
	72	#include <openssl/evp.h>
	73	#include <openssl/stack.h>
	74	#include <openssl/x509.h>
	75	#include <openssl/err.h>
	76	#include <openssl/ssl.h>
d02b48c6	77
dfeab068	78	#define PKCS1_CHECK
d02b48c6 RE	79
	80	#define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
	81	l\|=(((unsigned long)(*((c)++)))<< 8), \
	82	l\|=(((unsigned long)(*((c)++)))<<16), \
	83	l\|=(((unsigned long)(*((c)++)))<<24))
	84
	85	/* NOTE - c is not incremented as per c2l */
	86	#define c2ln(c,l1,l2,n) { \
	87	c+=n; \
	88	l1=l2=0; \
	89	switch (n) { \
	90	case 8: l2 =((unsigned long)(*(--(c))))<<24; \
	91	case 7: l2\|=((unsigned long)(*(--(c))))<<16; \
	92	case 6: l2\|=((unsigned long)(*(--(c))))<< 8; \
	93	case 5: l2\|=((unsigned long)(*(--(c)))); \
	94	case 4: l1 =((unsigned long)(*(--(c))))<<24; \
	95	case 3: l1\|=((unsigned long)(*(--(c))))<<16; \
	96	case 2: l1\|=((unsigned long)(*(--(c))))<< 8; \
	97	case 1: l1\|=((unsigned long)(*(--(c)))); \
	98	} \
	99	}
	100
	101	#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
	102	*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
	103	*((c)++)=(unsigned char)(((l)>>16)&0xff), \
	104	*((c)++)=(unsigned char)(((l)>>24)&0xff))
	105
	106	#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
	107	l\|=((unsigned long)(*((c)++)))<<16, \
	108	l\|=((unsigned long)(*((c)++)))<< 8, \
	109	l\|=((unsigned long)(*((c)++))))
	110
	111	#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
	112	*((c)++)=(unsigned char)(((l)>>16)&0xff), \
	113	*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
	114	*((c)++)=(unsigned char)(((l) )&0xff))
	115
	116	/* NOTE - c is not incremented as per l2c */
	117	#define l2cn(l1,l2,c,n) { \
	118	c+=n; \
	119	switch (n) { \
	120	case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
	121	case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
	122	case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
	123	case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
	124	case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
	125	case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
	126	case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
	127	case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
	128	} \
	129	}
	130
dfeab068 RE	131	#define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)\| \
	132	(((unsigned int)(c[1])) )),c+=2)
	133	#define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
	134	c[1]=(unsigned char)(((s) )&0xff)),c+=2)
d02b48c6	135
dfeab068 RE	136	#define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)\| \
	137	(((unsigned long)(c[1]))<< 8)\| \
	138	(((unsigned long)(c[2])) )),c+=3)
d02b48c6	139
dfeab068 RE	140	#define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
	141	c[1]=(unsigned char)(((l)>> 8)&0xff), \
	142	c[2]=(unsigned char)(((l) )&0xff)),c+=3)
d02b48c6 RE	143
	144	/* LOCAL STUFF */
	145
	146	#define SSL_DECRYPT 0
	147	#define SSL_ENCRYPT 1
	148
	149	#define TWO_BYTE_BIT 0x80
	150	#define SEC_ESC_BIT 0x40
	151	#define TWO_BYTE_MASK 0x7fff
	152	#define THREE_BYTE_MASK 0x3fff
	153
	154	#define INC32(a) ((a)=((a)+1)&0xffffffffL)
	155	#define DEC32(a) ((a)=((a)-1)&0xffffffffL)
	156	#define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
	157
	158	#define SSL_MKEY_MASK 0x0000001FL
	159	#define SSL_kRSA 0x00000001L /* RSA key exchange */
	160	#define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */
	161	#define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */
	162	#define SSL_kFZA 0x00000008L
	163	#define SSL_kEDH 0x00000010L /* tmp DH key no DH cert */
	164	#define SSL_EDH (SSL_kEDH\|(SSL_AUTH_MASK^SSL_aNULL))
	165
	166	#define SSL_AUTH_MASK 0x000003e0L
	167	#define SSL_aRSA 0x00000020L /* Authenticate with RSA */
	168	#define SSL_aDSS 0x00000040L /* Authenticate with DSS */
	169	#define SSL_DSS SSL_aDSS
	170	#define SSL_aFZA 0x00000080L
	171	#define SSL_aNULL 0x00000100L /* no Authenticate, ADH */
	172	#define SSL_aDH 0x00000200L /* no Authenticate, ADH */
	173
	174	#define SSL_NULL (SSL_eNULL)
	175	#define SSL_ADH (SSL_kEDH\|SSL_aNULL)
	176	#define SSL_RSA (SSL_kRSA\|SSL_aRSA)
	177	#define SSL_DH (SSL_kDHr\|SSL_kDHd\|SSL_kEDH)
	178	#define SSL_FZA (SSL_aFZA\|SSL_kFZA\|SSL_eFZA)
	179
	180	#define SSL_ENC_MASK 0x0001Fc00L
	181	#define SSL_DES 0x00000400L
	182	#define SSL_3DES 0x00000800L
	183	#define SSL_RC4 0x00001000L
	184	#define SSL_RC2 0x00002000L
	185	#define SSL_IDEA 0x00004000L
	186	#define SSL_eFZA 0x00008000L
	187	#define SSL_eNULL 0x00010000L
	188
58964a49	189	#define SSL_MAC_MASK 0x00060000L
d02b48c6	190	#define SSL_MD5 0x00020000L
58964a49 RE	191	#define SSL_SHA1 0x00040000L
58964a49 RE	192	#define SSL_SHA (SSL_SHA1)
d02b48c6	193
a040ea82	194	#define SSL_EXP_MASK 0x00300000L
06ab81f9	195	#define SSL_EXP40 0x00100000L
a040ea82	196	#define SSL_NOT_EXP 0x00200000L
06ab81f9 BL	197	#define SSL_EXP56 0x00300000L
06ab81f9 BL	198	#define SSL_IS_EXPORT(a) ((a)&SSL_EXP40)
a040ea82 BL	199	#define SSL_IS_EXPORT56(a) (((a)&SSL_EXP_MASK) == SSL_EXP56)
a040ea82 BL	200	#define SSL_IS_EXPORT40(a) (((a)&SSL_EXP_MASK) == SSL_EXP40)
06ab81f9 BL	201	#define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algorithms)
	202	#define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algorithms)
	203	#define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algorithms)
4997138a BL	204	#define SSL_EXPORT_KEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 5 : \
4997138a BL	205	((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7)
06ab81f9 BL	206	#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
	207	#define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithms)
	208	#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algorithms)
d02b48c6 RE	209
	210	#define SSL_SSL_MASK 0x00c00000L
	211	#define SSL_SSLV2 0x00400000L
	212	#define SSL_SSLV3 0x00800000L
06ab81f9	213	#define SSL_TLSV1 SSL_SSLV3 /* for now */
d02b48c6 RE	214
	215	#define SSL_STRONG_MASK 0x07000000L
	216	#define SSL_LOW 0x01000000L
	217	#define SSL_MEDIUM 0x02000000L
	218	#define SSL_HIGH 0x04000000L
	219
	220	/* we have used 0fffffff - 4 bits left to go */
	221	#define SSL_ALL 0xffffffffL
	222	#define SSL_ALL_CIPHERS (SSL_MKEY_MASK\|SSL_AUTH_MASK\|SSL_ENC_MASK\|\
a040ea82	223	SSL_MAC_MASK\|SSL_EXP_MASK)
d02b48c6 RE	224
	225	/* Mostly for SSLv3 */
	226	#define SSL_PKEY_RSA_ENC 0
	227	#define SSL_PKEY_RSA_SIGN 1
	228	#define SSL_PKEY_DSA_SIGN 2
	229	#define SSL_PKEY_DH_RSA 3
	230	#define SSL_PKEY_DH_DSA 4
	231	#define SSL_PKEY_NUM 5
	232
	233	/* SSL_kRSA <- RSA_ENC \| (RSA_TMP & RSA_SIGN) \|
	234	* <- (EXPORT & (RSA_ENC \| RSA_TMP) & RSA_SIGN)
	235	* SSL_kDH <- DH_ENC & (RSA_ENC \| RSA_SIGN \| DSA_SIGN)
	236	* SSL_kEDH <- RSA_ENC \| RSA_SIGN \| DSA_SIGN
	237	* SSL_aRSA <- RSA_ENC \| RSA_SIGN
	238	* SSL_aDSS <- DSA_SIGN
	239	*/
	240
	241	/*
	242	#define CERT_INVALID 0
	243	#define CERT_PUBLIC_KEY 1
	244	#define CERT_PRIVATE_KEY 2
	245	*/
	246
	247	typedef struct cert_pkey_st
	248	{
	249	X509 *x509;
	250	/* EVP_PKEY publickey; //* when extracted */
	251	EVP_PKEY *privatekey;
	252	} CERT_PKEY;
	253
	254	typedef struct cert_st
	255	{
	256	int cert_type;
	257
	258	#ifdef undef
	259	X509 *x509;
	260	EVP_PKEY publickey; / when extracted */
	261	EVP_PKEY *privatekey;
	262
	263	pkeys[SSL_PKEY_RSA_ENC].x509
	264	/* pkeys[SSL_PKEY_RSA_ENC].publickey */
	265	pkeys[SSL_PKEY_RSA_ENC].privatekey
	266	#endif
	267
	268	/* Current active set */
	269	CERT_PKEY *key;
	270
	271	/* The following masks are for the key and auth
	272	* algorithms that are supported by the certs below */
	273	int valid;
	274	unsigned long mask;
	275	unsigned long export_mask;
	276
	277	RSA *rsa_tmp;
	278	DH *dh_tmp;
f415fa32 BL	279	/* FIXME: Although rsa_tmp and dh_tmp are properties of the cert,
	280	callbacks probably aren't, and besides only the context default
	281	cert's callbacks are actually used. Too close to a release to fix
	282	this now - Ben 6 Mar 1999 */
60e31c3a BL	283	RSA (rsa_tmp_cb)(SSL *ssl,int export,int keysize);
60e31c3a BL	284	DH (dh_tmp_cb)(SSL *ssl,int export,int keysize);
d02b48c6 RE	285	CERT_PKEY pkeys[SSL_PKEY_NUM];
d02b48c6 RE	286
f73e07cf	287	STACK_OF(X509) *cert_chain;
d02b48c6 RE	288
	289	int references;
	290	} CERT;
	291
	292	/#define MAC_DEBUG /
	293
	294	/#define ERR_DEBUG /
	295	/#define ABORT_DEBUG /
	296	/#define PKT_DEBUG 1 /
	297	/#define DES_DEBUG /
	298	/#define DES_OFB_DEBUG /
	299	/#define SSL_DEBUG /
	300	/#define RSA_DEBUG /
	301	/#define IDEA_DEBUG /
	302
d02b48c6	303	#define FP_ICC (int ()(const void ,const void *))
d02b48c6 RE	304	#define ssl_put_cipher_by_char(ssl,ciph,ptr) \
	305	((ssl)->method->put_cipher_by_char((ciph),(ptr)))
	306	#define ssl_get_cipher_by_char(ssl,ptr) \
	307	((ssl)->method->get_cipher_by_char(ptr))
	308
58964a49 RE	309	/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
	310	* It is a bit of a mess of functions, but hell, think of it as
	311	* an opaque strucute :-) */
	312	typedef struct ssl3_enc_method
	313	{
	314	int (*enc)();
	315	int (*mac)();
	316	int (*setup_key_block)();
	317	int (*generate_master_secret)();
	318	int (*change_cipher_state)();
	319	int (*final_finish_mac)();
	320	int finish_mac_length;
	321	int (*cert_verify_mac)();
	322	unsigned char client_finished[20];
	323	int client_finished_len;
	324	unsigned char server_finished[20];
	325	int server_finished_len;
	326	int (*alert_value)();
	327	} SSL3_ENC_METHOD;
	328
651d0aff	329	/* Used for holding the relevant compression methods loaded into SSL_CTX */
dfeab068 RE	330	typedef struct ssl3_comp_st
	331	{
	332	int comp_id; /* The identifer byte for this compression type */
	333	char name; / Text name used for the compression type */
	334	COMP_METHOD method; / The method :-) */
	335	} SSL3_COMP;
	336
58964a49	337	extern SSL3_ENC_METHOD ssl3_undef_enc_method;
d02b48c6 RE	338	extern SSL_CIPHER ssl2_ciphers[];
	339	extern SSL_CIPHER ssl3_ciphers[];
	340
d02b48c6 RE	341
	342	SSL_METHOD *ssl_bad_method(int ver);
	343	SSL_METHOD *sslv2_base_method(void);
	344	SSL_METHOD *sslv23_base_method(void);
	345	SSL_METHOD *sslv3_base_method(void);
	346
	347	void ssl_clear_cipher_ctx(SSL *s);
	348	int ssl_clear_bad_session(SSL *s);
	349	CERT *ssl_cert_new(void);
15d21c2d	350	int ssl_cert_instantiate(CERT *o, CERT d);
d02b48c6 RE	351	void ssl_cert_free(CERT *c);
	352	int ssl_set_cert_type(CERT *c, int type);
	353	int ssl_get_new_session(SSL *s, int session);
58964a49	354	int ssl_get_prev_session(SSL s, unsigned char session,int len);
d02b48c6 RE	355	int ssl_cipher_id_cmp(SSL_CIPHER a,SSL_CIPHER b);
d02b48c6 RE	356	int ssl_cipher_ptr_id_cmp(SSL_CIPHER ap,SSL_CIPHER bp);
f73e07cf BL	357	STACK_OF(SSL_CIPHER) ssl_bytes_to_cipher_list(SSL s,unsigned char *p,int num,
	358	STACK_OF(SSL_CIPHER) **skp);
	359	int ssl_cipher_list_to_bytes(SSL s,STACK_OF(SSL_CIPHER) sk,unsigned char *p);
	360	STACK_OF(SSL_CIPHER) ssl_create_cipher_list(SSL_METHOD meth,
	361	STACK_OF(SSL_CIPHER) **pref,
	362	STACK_OF(SSL_CIPHER) **sorted,
	363	char *str);
d02b48c6	364	void ssl_update_cache(SSL *s, int mode);
e778802f BL	365	int ssl_cipher_get_evp(SSL_SESSION s,const EVP_CIPHER enc,const EVP_MD *md,
e778802f BL	366	SSL_COMP **comp);
f73e07cf	367	int ssl_verify_cert_chain(SSL s,STACK_OF(X509) sk);
d02b48c6 RE	368	int ssl_undefined_function(SSL *s);
	369	X509 ssl_get_server_send_cert(SSL );
	370	EVP_PKEY ssl_get_sign_pkey(SSL ,SSL_CIPHER *);
	371	int ssl_cert_type(X509 x,EVP_PKEY pkey);
f415fa32	372	void ssl_set_cert_masks(CERT c,CERT default_cert,SSL_CIPHER *cipher);
f73e07cf	373	STACK_OF(SSL_CIPHER) ssl_get_ciphers_by_id(SSL s);
58964a49	374	int ssl_verify_alarm_type(long type);
d02b48c6 RE	375
	376	int ssl2_enc_init(SSL *s, int client);
	377	void ssl2_generate_key_material(SSL *s);
	378	void ssl2_enc(SSL *s,int send_data);
	379	void ssl2_mac(SSL s,unsigned char mac,int send_data);
f06b01eb BL	380	SSL_CIPHER ssl2_get_cipher_by_char(const unsigned char p);
f06b01eb BL	381	int ssl2_put_cipher_by_char(const SSL_CIPHER c,unsigned char p);
d02b48c6 RE	382	int ssl2_part_read(SSL *s, unsigned long f, int i);
	383	int ssl2_do_write(SSL *s);
	384	int ssl2_set_certificate(SSL s, int type, int len, unsigned char data);
	385	void ssl2_return_error(SSL *s,int reason);
	386	void ssl2_write_error(SSL *s);
	387	int ssl2_num_ciphers(void);
	388	SSL_CIPHER *ssl2_get_cipher(unsigned int u);
	389	int ssl2_new(SSL *s);
	390	void ssl2_free(SSL *s);
	391	int ssl2_accept(SSL *s);
	392	int ssl2_connect(SSL *s);
61f5b6f3	393	int ssl2_read(SSL s, void buf, int len);
d02b48c6	394	int ssl2_peek(SSL s, char buf, int len);
61f5b6f3	395	int ssl2_write(SSL s, const void buf, int len);
d02b48c6 RE	396	int ssl2_shutdown(SSL *s);
	397	void ssl2_clear(SSL *s);
	398	long ssl2_ctrl(SSL s,int cmd, long larg, char parg);
	399	long ssl2_ctx_ctrl(SSL_CTX s,int cmd, long larg, char parg);
	400	int ssl2_pending(SSL *s);
	401
f06b01eb BL	402	SSL_CIPHER ssl3_get_cipher_by_char(const unsigned char p);
f06b01eb BL	403	int ssl3_put_cipher_by_char(const SSL_CIPHER c,unsigned char p);
d02b48c6 RE	404	void ssl3_init_finished_mac(SSL *s);
d02b48c6 RE	405	int ssl3_send_server_certificate(SSL *s);
58964a49	406	int ssl3_get_finished(SSL *s,int state_a,int state_b);
d02b48c6 RE	407	int ssl3_setup_key_block(SSL *s);
	408	int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
	409	int ssl3_change_cipher_state(SSL *s,int which);
	410	void ssl3_cleanup_key_block(SSL *s);
	411	int ssl3_do_write(SSL *s,int type);
	412	void ssl3_send_alert(SSL *s,int level, int desc);
	413	int ssl3_generate_master_secret(SSL s, unsigned char out,
	414	unsigned char *p, int len);
	415	int ssl3_get_req_cert_type(SSL s,unsigned char p);
	416	long ssl3_get_message(SSL s, int st1, int stn, int mt, long max, int ok);
58964a49	417	int ssl3_send_finished(SSL s, int a, int b, unsigned char sender,int slen);
d02b48c6 RE	418	int ssl3_num_ciphers(void);
	419	SSL_CIPHER *ssl3_get_cipher(unsigned int u);
	420	int ssl3_renegotiate(SSL *ssl);
58964a49	421	int ssl3_renegotiate_check(SSL *ssl);
d02b48c6	422	int ssl3_dispatch_alert(SSL *s);
61f5b6f3	423	int ssl3_read_bytes(SSL s, int type, unsigned char buf, int len);
d02b48c6	424	int ssl3_part_read(SSL *s, int i);
61f5b6f3	425	int ssl3_write_bytes(SSL s, int type, const void buf, int len);
58964a49 RE	426	int ssl3_final_finish_mac(SSL s, EVP_MD_CTX ctx1,EVP_MD_CTX *ctx2,
	427	unsigned char sender, int slen,unsigned char p);
	428	int ssl3_cert_verify_mac(SSL s, EVP_MD_CTX in, unsigned char *p);
e778802f	429	void ssl3_finish_mac(SSL s, const unsigned char buf, int len);
d02b48c6 RE	430	int ssl3_enc(SSL *s, int send_data);
	431	int ssl3_mac(SSL ssl, unsigned char md, int send_data);
	432	unsigned long ssl3_output_cert_chain(SSL s, X509 x);
f73e07cf BL	433	SSL_CIPHER ssl3_choose_cipher(SSL ssl,STACK_OF(SSL_CIPHER) *have,
f73e07cf BL	434	STACK_OF(SSL_CIPHER) *pref);
d02b48c6 RE	435	int ssl3_setup_buffers(SSL *s);
	436	int ssl3_new(SSL *s);
	437	void ssl3_free(SSL *s);
	438	int ssl3_accept(SSL *s);
	439	int ssl3_connect(SSL *s);
61f5b6f3	440	int ssl3_read(SSL s, void buf, int len);
d02b48c6	441	int ssl3_peek(SSL s,char buf, int len);
61f5b6f3	442	int ssl3_write(SSL s, const void buf, int len);
d02b48c6 RE	443	int ssl3_shutdown(SSL *s);
	444	void ssl3_clear(SSL *s);
	445	long ssl3_ctrl(SSL s,int cmd, long larg, char parg);
	446	long ssl3_ctx_ctrl(SSL_CTX s,int cmd, long larg, char parg);
	447	int ssl3_pending(SSL *s);
	448
	449	int ssl23_accept(SSL *s);
	450	int ssl23_connect(SSL *s);
	451	int ssl23_read_bytes(SSL *s, int n);
	452	int ssl23_write_bytes(SSL *s);
	453
58964a49 RE	454	int tls1_new(SSL *s);
	455	void tls1_free(SSL *s);
	456	void tls1_clear(SSL *s);
	457	long tls1_ctrl(SSL s,int cmd, long larg, char parg);
	458	SSL_METHOD *tlsv1_base_method(void );
	459
58964a49	460	int ssl_init_wbio_buffer(SSL *s, int push);
413c4f45	461	void ssl_free_wbio_buffer(SSL *s);
58964a49 RE	462
	463	int tls1_change_cipher_state(SSL *s, int which);
	464	int tls1_setup_key_block(SSL *s);
	465	int tls1_enc(SSL *s, int snd);
	466	int tls1_final_finish_mac(SSL s, EVP_MD_CTX in1_ctx, EVP_MD_CTX *in2_ctx,
	467	unsigned char str, int slen, unsigned char p);
	468	int tls1_cert_verify_mac(SSL s, EVP_MD_CTX in, unsigned char *p);
	469	int tls1_mac(SSL ssl, unsigned char md, int snd);
	470	int tls1_generate_master_secret(SSL s, unsigned char out,
	471	unsigned char *p, int len);
	472	int tls1_alert_code(int code);
	473	int ssl3_alert_code(int code);
dfeab068	474	int ssl_ok(SSL *s);
58964a49	475
f73e07cf BL	476	SSL_COMP ssl3_comp_find(STACK_OF(SSL_COMP) sk, int n);
f73e07cf BL	477	STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
413c4f45	478
58964a49	479
413c4f45	480	#endif