* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+/* ====================================================================
+ * Copyright (c) 1998-2001 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).
+ *
+ */
#ifndef HEADER_SSL_LOCL_H
#define HEADER_SSL_LOCL_H
#include <string.h>
#include <errno.h>
-#include <openssl/e_os.h>
+#include "e_os.h"
#include <openssl/buffer.h>
#include <openssl/comp.h>
#include <openssl/x509.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
+#include <openssl/symhacks.h>
+
+#ifdef OPENSSL_BUILD_SHLIBSSL
+# undef OPENSSL_EXTERN
+# define OPENSSL_EXTERN OPENSSL_EXPORT
+#endif
#define PKCS1_CHECK
#define DEC32(a) ((a)=((a)-1)&0xffffffffL)
#define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
-#define SSL_MKEY_MASK 0x0000001FL
+/*
+ * 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.
+ */
+#define SSL_MKEY_MASK 0x0000003FL
#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_kKRB5 0x00000020L /* Kerberos5 key exchange */
#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_AUTH_MASK 0x00000FC0L
+#define SSL_aRSA 0x00000040L /* Authenticate with RSA */
+#define SSL_aDSS 0x00000080L /* 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_aFZA 0x00000100L
+#define SSL_aNULL 0x00000200L /* no Authenticate, ADH */
+#define SSL_aDH 0x00000400L /* no Authenticate, ADH */
+#define SSL_aKRB5 0x00000800L /* Authenticate with KRB5 */
#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_KRB5 (SSL_kKRB5|SSL_aKRB5)
+
+#define SSL_ENC_MASK 0x0087F000L
+#define SSL_DES 0x00001000L
+#define SSL_3DES 0x00002000L
+#define SSL_RC4 0x00004000L
+#define SSL_RC2 0x00008000L
+#define SSL_IDEA 0x00010000L
+#define SSL_eFZA 0x00020000L
+#define SSL_eNULL 0x00040000L
+#define SSL_AES 0x00800000L
+
+#define SSL_MAC_MASK 0x00180000L
+#define SSL_MD5 0x00080000L
+#define SSL_SHA1 0x00100000L
#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 : \
+#define SSL_SSL_MASK 0x00600000L
+#define SSL_SSLV2 0x00200000L
+#define SSL_SSLV3 0x00400000L
+#define SSL_TLSV1 SSL_SSLV3 /* for now */
+
+/* we have used 007fffff - 9 bits left to go */
+
+/*
+ * Export and cipher strength information. For each cipher we have to decide
+ * whether it is exportable or not. This information is likely to change
+ * over time, since the export control rules are no static technical issue.
+ *
+ * Independent of the export flag the cipher strength is sorted into classes.
+ * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
+ * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
+ * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
+ * since SSL_EXP64 could be similar to SSL_LOW.
+ * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
+ * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
+ * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
+ * be possible.
+ */
+#define SSL_EXP_MASK 0x00000003L
+#define SSL_NOT_EXP 0x00000001L
+#define SSL_EXPORT 0x00000002L
+
+#define SSL_STRONG_MASK 0x000000fcL
+#define SSL_STRONG_NONE 0x00000004L
+#define SSL_EXP40 0x00000008L
+#define SSL_MICRO (SSL_EXP40)
+#define SSL_EXP56 0x00000010L
+#define SSL_MINI (SSL_EXP56)
+#define SSL_LOW 0x00000020L
+#define SSL_MEDIUM 0x00000040L
+#define SSL_HIGH 0x00000080L
+
+/* we have used 000000ff - 24 bits left to go */
+
+/*
+ * Macros to check the export status and cipher strength for export ciphers.
+ * Even though the macros for EXPORT and EXPORT40/56 have similar names,
+ * their meaning is different:
+ * *_EXPORT macros check the 'exportable' status.
+ * *_EXPORT40/56 macros are used to check whether a certain cipher strength
+ * is given.
+ * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
+ * algorithm structure element to be passed (algorithms, algo_strength) and no
+ * typechecking can be done as they are all of type unsigned long, their
+ * direct usage is discouraged.
+ * Use the SSL_C_* macros instead.
+ */
+#define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
+#define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
+#define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
+#define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
+#define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
+#define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
+
+#define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 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_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithms, \
+ (c)->algo_strength)
+#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
-#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)
+ SSL_MAC_MASK)
+#define SSL_ALL_STRENGTHS (SSL_EXP_MASK|SSL_STRONG_MASK)
/* Mostly for SSLv3 */
#define SSL_PKEY_RSA_ENC 0
typedef struct cert_st
{
- int cert_type;
-
/* 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. */
-
+ * 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;
unsigned long export_mask;
-#ifndef NO_RSA
+#ifndef OPENSSL_NO_RSA
RSA *rsa_tmp;
- RSA *(*rsa_tmp_cb)(SSL *ssl,int export,int keysize);
+ RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
#endif
-#ifndef NO_DH
+#ifndef OPENSSL_NO_DH
DH *dh_tmp;
- DH *(*dh_tmp_cb)(SSL *ssl,int export,int keysize);
+ DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
#endif
CERT_PKEY pkeys[SSL_PKEY_NUM];
- STACK_OF(X509) *cert_chain; /* XXX should only exist in sess_cert_st */
-
- int references; /* XXX will finally always be 1 */
+ int references; /* >1 only if SSL_copy_session_id is used */
} CERT;
-#if 0 /* XXX not yet */
typedef struct sess_cert_st
-{
- /* anything that we want to keep per session */
-} SESS_CERT;
+ {
+ STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
+
+ /* 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. */
+
+#ifndef OPENSSL_NO_RSA
+ RSA *peer_rsa_tmp; /* not used for SSL 2 */
#endif
+#ifndef OPENSSL_NO_DH
+ DH *peer_dh_tmp; /* not used for SSL 2 */
+#endif
+
+ int references; /* actually always 1 at the moment */
+ } SESS_CERT;
/*#define MAC_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 strucute :-) */
+ * an opaque structure :-) */
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 (*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 *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, int, unsigned char *);
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)();
+ int (*cert_verify_mac)(SSL *, EVP_MD_CTX *, 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);
} 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 */
+ int comp_id; /* The identifier 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[];
+OPENSSL_EXTERN SSL3_ENC_METHOD ssl3_undef_enc_method;
+OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[];
+OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
+
+#ifdef OPENSSL_SYS_VMS
+#undef SSL_COMP_get_compression_methods
+#define SSL_COMP_get_compression_methods SSL_COMP_get_compress_methods
+#endif
SSL_METHOD *ssl_bad_method(int ver);
int ssl_clear_bad_session(SSL *s);
CERT *ssl_cert_new(void);
CERT *ssl_cert_dup(CERT *cert);
-#if 1
int ssl_cert_inst(CERT **o);
-#else
-int ssl_cert_instantiate(CERT **o, CERT *d);
-#endif
void ssl_cert_free(CERT *c);
-int ssl_set_cert_type(CERT *c, int type);
+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);
-int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b);
-int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp);
+int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
+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(SSL_METHOD *meth,
+STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
STACK_OF(SSL_CIPHER) **pref,
STACK_OF(SSL_CIPHER) **sorted,
- char *str);
+ const char *rule_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 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_peek(SSL *s, void *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);
+long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
+long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
+long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)());
+long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)());
int ssl2_pending(SSL *s);
SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
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_send_finished(SSL *s, int a, int b, const 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_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, EVP_MD_CTX *ctx1,EVP_MD_CTX *ctx2,
- unsigned char *sender, int slen,unsigned char *p);
+int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
+ const 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);
+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_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_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, char *parg);
-long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, char *parg);
+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)());
+long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)());
int ssl3_pending(SSL *s);
int ssl23_accept(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);
+long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
+long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)());
SSL_METHOD *tlsv1_base_method(void );
int ssl_init_wbio_buffer(SSL *s, int push);
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);
+ const 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,