1 /* $NetBSD: dst_internal.h,v 1.4 2022/04/19 20:32:17 rillig Exp $ */ 2 3 #ifndef DST_INTERNAL_H 4 #define DST_INTERNAL_H 5 6 /* 7 * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc. 8 * 9 * Permission to use, copy modify, and distribute this software for any 10 * purpose with or without fee is hereby granted, provided that the above 11 * copyright notice and this permission notice appear in all copies. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS" AND TRUSTED INFORMATION SYSTEMS 14 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL 16 * TRUSTED INFORMATION SYSTEMS BE LIABLE FOR ANY SPECIAL, DIRECT, 17 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING 18 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 19 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 20 * WITH THE USE OR PERFORMANCE OF THE SOFTWARE. 21 */ 22 #include <limits.h> 23 #include <sys/param.h> 24 #if (!defined(BSD)) || (BSD < 199306) 25 # include <sys/bitypes.h> 26 #else 27 # include <sys/types.h> 28 #endif 29 30 #ifndef PATH_MAX 31 # ifdef POSIX_PATH_MAX 32 # define PATH_MAX POSIX_PATH_MAX 33 # else 34 # define PATH_MAX 255 /*%< this is the value of POSIX_PATH_MAX */ 35 # endif 36 #endif 37 38 typedef struct dst_key { 39 char *dk_key_name; /*%< name of the key */ 40 int dk_key_size; /*%< this is the size of the key in bits */ 41 int dk_proto; /*%< what protocols this key can be used for */ 42 int dk_alg; /*%< algorithm number from key record */ 43 u_int32_t dk_flags; /*%< and the flags of the public key */ 44 u_int16_t dk_id; /*%< identifier of the key */ 45 void *dk_KEY_struct; /*%< pointer to key in crypto pkg fmt */ 46 struct dst_func *dk_func; /*%< point to cryptto pgk specific function table */ 47 } DST_KEY; 48 #define HAS_DST_KEY 49 50 #include <isc/dst.h> 51 /* 52 * define what crypto systems are supported for RSA, 53 * BSAFE is preferred over RSAREF; only one can be set at any time 54 */ 55 #if defined(BSAFE) && defined(RSAREF) 56 # error "Cannot have both BSAFE and RSAREF defined" 57 #endif 58 59 /* Declare dst_lib specific constants */ 60 #define KEY_FILE_FORMAT "1.2" 61 62 /* suffixes for key file names */ 63 #define PRIVATE_KEY "private" 64 #define PUBLIC_KEY "key" 65 66 /* error handling */ 67 #ifdef DEBUG 68 #define EREPORT(str) printf str 69 #else 70 #define EREPORT(str) do {} while (0) 71 #endif 72 73 /* use our own special macro to FRRE memory */ 74 75 #ifndef SAFE_FREE2 76 #define SAFE_FREE2(a, s) do { \ 77 if ((a) != NULL) { \ 78 memset((a), 0, (s)); \ 79 free((a)); \ 80 (a) = NULL; \ 81 } \ 82 } while (0) 83 #endif 84 85 #ifndef SAFE_FREE 86 #define SAFE_FREE(a) SAFE_FREE2((a), sizeof(*(a))) 87 #endif 88 89 typedef struct dst_func { 90 int (*sign)(const int mode, DST_KEY *key, void **context, 91 const u_int8_t *data, const int len, 92 u_int8_t *signature, const int sig_len); 93 int (*verify)(const int mode, DST_KEY *key, void **context, 94 const u_int8_t *data, const int len, 95 const u_int8_t *signature, const int sig_len); 96 int (*compare)(const DST_KEY *key1, const DST_KEY *key2); 97 int (*generate)(DST_KEY *key, int parms); 98 void *(*destroy)(void *key); 99 /* conversion functions */ 100 int (*to_dns_key)(const DST_KEY *key, u_int8_t *out, 101 const int out_len); 102 int (*from_dns_key)(DST_KEY *key, const u_int8_t *str, 103 const int str_len); 104 int (*to_file_fmt)(const DST_KEY *key, char *out, 105 const int out_len); 106 int (*from_file_fmt)(DST_KEY *key, const char *out, 107 const int out_len); 108 109 } dst_func; 110 111 extern dst_func *dst_t_func[DST_MAX_ALGS]; 112 extern const char *key_file_fmt_str; 113 extern const char *dst_path; 114 115 #ifndef DST_HASH_SIZE 116 #define DST_HASH_SIZE 20 /*%< RIPEMD160 and SHA-1 are 20 bytes MD5 is 16 */ 117 #endif 118 119 int dst_bsafe_init(void); 120 121 int dst_rsaref_init(void); 122 123 int dst_hmac_md5_init(void); 124 125 int dst_cylink_init(void); 126 127 int dst_eay_dss_init(void); 128 129 /* from higher level support routines */ 130 int dst_s_calculate_bits( const u_int8_t *str, const int max_bits); 131 int dst_s_verify_str( const char **buf, const char *str); 132 133 134 /* conversion between dns names and key file names */ 135 size_t dst_s_filename_length( const char *name, const char *suffix); 136 int dst_s_build_filename( char *filename, const char *name, 137 u_int16_t id, int alg, const char *suffix, 138 size_t filename_length); 139 140 FILE *dst_s_fopen (const char *filename, const char *mode, int perm); 141 142 /*% 143 * read and write network byte order into u_int?_t 144 * all of these should be retired 145 */ 146 u_int16_t dst_s_get_int16( const u_int8_t *buf); 147 void dst_s_put_int16( u_int8_t *buf, const u_int16_t val); 148 149 u_int32_t dst_s_get_int32( const u_int8_t *buf); 150 void dst_s_put_int32( u_int8_t *buf, const u_int32_t val); 151 152 #ifdef DUMP 153 # undef DUMP 154 # define DUMP(a,b,c,d) dst_s_dump(a,b,c,d) 155 #else 156 # define DUMP(a,b,c,d) 157 #endif 158 void 159 dst_s_dump(const int mode, const u_char *data, const int size, 160 const char *msg); 161 162 #define KEY_FILE_FMT_STR "Private-key-format: v%s\nAlgorithm: %d (%s)\n" 163 164 165 #endif /* DST_INTERNAL_H */ 166 /*! \file */ 167
Indexes created Sat Sep 20 22:09:52 GMT 2025