1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Copyright 1999-2002 Sun Microsystems, Inc. All rights reserved. 3*0Sstevel@tonic-gate * Use is subject to license terms. 4*0Sstevel@tonic-gate */ 5*0Sstevel@tonic-gate 6*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 7*0Sstevel@tonic-gate 8*0Sstevel@tonic-gate #ifndef DST_INTERNAL_H 9*0Sstevel@tonic-gate #define DST_INTERNAL_H 10*0Sstevel@tonic-gate 11*0Sstevel@tonic-gate /* 12*0Sstevel@tonic-gate * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * Permission to use, copy modify, and distribute this software for any 15*0Sstevel@tonic-gate * purpose with or without fee is hereby granted, provided that the above 16*0Sstevel@tonic-gate * copyright notice and this permission notice appear in all copies. 17*0Sstevel@tonic-gate * 18*0Sstevel@tonic-gate * THE SOFTWARE IS PROVIDED "AS IS" AND TRUSTED INFORMATION SYSTEMS 19*0Sstevel@tonic-gate * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL 20*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL 21*0Sstevel@tonic-gate * TRUSTED INFORMATION SYSTEMS BE LIABLE FOR ANY SPECIAL, DIRECT, 22*0Sstevel@tonic-gate * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING 23*0Sstevel@tonic-gate * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 24*0Sstevel@tonic-gate * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 25*0Sstevel@tonic-gate * WITH THE USE OR PERFORMANCE OF THE SOFTWARE. 26*0Sstevel@tonic-gate */ 27*0Sstevel@tonic-gate #include <limits.h> 28*0Sstevel@tonic-gate #include <sys/param.h> 29*0Sstevel@tonic-gate #if (!defined(BSD)) || (BSD < 199306) 30*0Sstevel@tonic-gate # include <sys/bitypes.h> 31*0Sstevel@tonic-gate #else 32*0Sstevel@tonic-gate # include <sys/types.h> 33*0Sstevel@tonic-gate #endif 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #ifndef PATH_MAX 36*0Sstevel@tonic-gate # ifdef POSIX_PATH_MAX 37*0Sstevel@tonic-gate # define PATH_MAX POSIX_PATH_MAX 38*0Sstevel@tonic-gate # else 39*0Sstevel@tonic-gate # define PATH_MAX 255 /* this is the value of POSIX_PATH_MAX */ 40*0Sstevel@tonic-gate # endif 41*0Sstevel@tonic-gate #endif 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate typedef struct dst_key { 44*0Sstevel@tonic-gate char *dk_key_name; /* name of the key */ 45*0Sstevel@tonic-gate int dk_key_size; /* this is the size of the key in bits */ 46*0Sstevel@tonic-gate int dk_proto; /* what protocols this key can be used for */ 47*0Sstevel@tonic-gate int dk_alg; /* algorithm number from key record */ 48*0Sstevel@tonic-gate u_int32_t dk_flags; /* and the flags of the public key */ 49*0Sstevel@tonic-gate u_int16_t dk_id; /* identifier of the key */ 50*0Sstevel@tonic-gate void *dk_KEY_struct; /* pointer to key in crypto pkg fmt */ 51*0Sstevel@tonic-gate struct dst_func *dk_func; /* point to cryptto pgk specific function table */ 52*0Sstevel@tonic-gate } DST_KEY; 53*0Sstevel@tonic-gate #define HAS_DST_KEY 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate #include <isc/dst.h> 56*0Sstevel@tonic-gate /* 57*0Sstevel@tonic-gate * define what crypto systems are supported for RSA, 58*0Sstevel@tonic-gate * BSAFE is prefered over RSAREF; only one can be set at any time 59*0Sstevel@tonic-gate */ 60*0Sstevel@tonic-gate #if defined(BSAFE) && defined(RSAREF) 61*0Sstevel@tonic-gate # error "Cannot have both BSAFE and RSAREF defined" 62*0Sstevel@tonic-gate #endif 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate /* Declare dst_lib specific constants */ 65*0Sstevel@tonic-gate #define KEY_FILE_FORMAT "1.2" 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate /* suffixes for key file names */ 68*0Sstevel@tonic-gate #define PRIVATE_KEY "private" 69*0Sstevel@tonic-gate #define PUBLIC_KEY "key" 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate /* error handling */ 72*0Sstevel@tonic-gate #ifdef REPORT_ERRORS 73*0Sstevel@tonic-gate #define EREPORT(str) printf str 74*0Sstevel@tonic-gate #else 75*0Sstevel@tonic-gate #define EREPORT(str) (void)0 76*0Sstevel@tonic-gate #endif 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate /* use our own special macro to FRRE memory */ 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate #ifndef SAFE_FREE 81*0Sstevel@tonic-gate #define SAFE_FREE(a) \ 82*0Sstevel@tonic-gate do{if(a != NULL){memset(a,0, sizeof(*a)); free(a); a=NULL;}} while (0) 83*0Sstevel@tonic-gate #define SAFE_FREE2(a,s) if (a != NULL && s > 0){memset(a,0, s);free(a); a=NULL;} 84*0Sstevel@tonic-gate #endif 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate typedef struct dst_func { 87*0Sstevel@tonic-gate int (*sign)(const int mode, DST_KEY *key, void **context, 88*0Sstevel@tonic-gate const u_int8_t *data, const int len, 89*0Sstevel@tonic-gate u_int8_t *signature, const int sig_len); 90*0Sstevel@tonic-gate int (*verify)(const int mode, DST_KEY *key, void **context, 91*0Sstevel@tonic-gate const u_int8_t *data, const int len, 92*0Sstevel@tonic-gate const u_int8_t *signature, const int sig_len); 93*0Sstevel@tonic-gate int (*compare)(const DST_KEY *key1, const DST_KEY *key2); 94*0Sstevel@tonic-gate int (*generate)(DST_KEY *key, int parms); 95*0Sstevel@tonic-gate void *(*destroy)(void *key); 96*0Sstevel@tonic-gate /* conversion functions */ 97*0Sstevel@tonic-gate int (*to_dns_key)(const DST_KEY *key, u_int8_t *out, 98*0Sstevel@tonic-gate const int out_len); 99*0Sstevel@tonic-gate int (*from_dns_key)(DST_KEY *key, const u_int8_t *str, 100*0Sstevel@tonic-gate const int str_len); 101*0Sstevel@tonic-gate int (*to_file_fmt)(const DST_KEY *key, char *out, 102*0Sstevel@tonic-gate const int out_len); 103*0Sstevel@tonic-gate int (*from_file_fmt)(DST_KEY *key, const char *out, 104*0Sstevel@tonic-gate const int out_len); 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate } dst_func; 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate extern dst_func *dst_t_func[DST_MAX_ALGS]; 109*0Sstevel@tonic-gate extern const char *key_file_fmt_str; 110*0Sstevel@tonic-gate extern const char *dst_path; 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate #ifndef DST_HASH_SIZE 113*0Sstevel@tonic-gate #define DST_HASH_SIZE 20 /* RIPEMD160 and SHA-1 are 20 bytes MD5 is 16 */ 114*0Sstevel@tonic-gate #endif 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate int dst_bsafe_init(void); 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate int dst_rsaref_init(void); 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate int dst_hmac_md5_init(void); 121*0Sstevel@tonic-gate 122*0Sstevel@tonic-gate int dst_cylink_init(void); 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate int dst_eay_dss_init(void); 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate /* support functions */ 127*0Sstevel@tonic-gate /* base64 to bignum conversion routines */ 128*0Sstevel@tonic-gate int dst_s_conv_bignum_u8_to_b64( char *out_buf, const int out_len, 129*0Sstevel@tonic-gate const char *header, 130*0Sstevel@tonic-gate const u_int8_t *bin_data, 131*0Sstevel@tonic-gate const int bin_len); 132*0Sstevel@tonic-gate int dst_s_conv_bignum_b64_to_u8( const char **buf, u_int8_t *loc, 133*0Sstevel@tonic-gate const int loclen) ; 134*0Sstevel@tonic-gate /* from higher level support routines */ 135*0Sstevel@tonic-gate int dst_s_calculate_bits( const u_int8_t *str, const int max_bits); 136*0Sstevel@tonic-gate int dst_s_verify_str( const char **buf, const char *str); 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate 139*0Sstevel@tonic-gate /* conversion between dns names and key file names */ 140*0Sstevel@tonic-gate size_t dst_s_filename_length( const char *name, const char *suffix); 141*0Sstevel@tonic-gate int dst_s_build_filename( char *filename, const char *name, 142*0Sstevel@tonic-gate u_int16_t id, int alg, const char *suffix, 143*0Sstevel@tonic-gate size_t filename_length); 144*0Sstevel@tonic-gate 145*0Sstevel@tonic-gate FILE *dst_s_fopen (const char *filename, const char *mode, int perm); 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate /* from file prandom.c */ 148*0Sstevel@tonic-gate int dst_s_random( u_int8_t *output, int size); 149*0Sstevel@tonic-gate int dst_s_semi_random( u_int8_t *output, int size); 150*0Sstevel@tonic-gate u_int32_t dst_s_quick_random( int inc); 151*0Sstevel@tonic-gate void dst_s_quick_random_set( u_int32_t val, u_int32_t cnt); 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate /* 154*0Sstevel@tonic-gate * read and write network byte order into u_int?_t 155*0Sstevel@tonic-gate * all of these should be retired 156*0Sstevel@tonic-gate */ 157*0Sstevel@tonic-gate u_int16_t dst_s_get_int16( const u_int8_t *buf); 158*0Sstevel@tonic-gate void dst_s_put_int16( u_int8_t *buf, const u_int16_t val); 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate u_int32_t dst_s_get_int32( const u_int8_t *buf); 161*0Sstevel@tonic-gate void dst_s_put_int32( u_int8_t *buf, const u_int32_t val); 162*0Sstevel@tonic-gate 163*0Sstevel@tonic-gate #ifdef DUMP 164*0Sstevel@tonic-gate # undef DUMP 165*0Sstevel@tonic-gate # define DUMP(a,b,c,d) dst_s_dump(a,b,c,d) 166*0Sstevel@tonic-gate #else 167*0Sstevel@tonic-gate # define DUMP(a,b,c,d) 168*0Sstevel@tonic-gate #endif 169*0Sstevel@tonic-gate void 170*0Sstevel@tonic-gate dst_s_dump(const int mode, const u_char *data, const int size, 171*0Sstevel@tonic-gate const char *msg); 172*0Sstevel@tonic-gate 173*0Sstevel@tonic-gate 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate #endif /* DST_INTERNAL_H */ 176