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00021 #ifndef LDNS_KEYS_H
00022 #define LDNS_KEYS_H
00023
00024 #ifdef HAVE_SSL
00025 #include <openssl/ssl.h>
00026 #endif
00027 #include <ldns/dnssec.h>
00028 #include <ldns/util.h>
00029 #include <errno.h>
00030
00031 extern ldns_lookup_table ldns_signing_algorithms[];
00032
00033 #define LDNS_KEY_ZONE_KEY 0x0100
00034 #define LDNS_KEY_SEP_KEY 0x0001
00035
00039 enum ldns_enum_algorithm
00040 {
00041 LDNS_RSAMD5 = 1,
00042 LDNS_DH = 2,
00043 LDNS_DSA = 3,
00044 LDNS_ECC = 4,
00045 LDNS_RSASHA1 = 5,
00046 LDNS_DSA_NSEC3 = 6,
00047 LDNS_RSASHA1_NSEC3 = 7,
00048 LDNS_RSASHA256 = 8,
00049 LDNS_RSASHA512 = 9,
00050 LDNS_RSASHA256_NSEC3 = 10,
00051 LDNS_RSASHA512_NSEC3 = 11,
00052 LDNS_INDIRECT = 252,
00053 LDNS_PRIVATEDNS = 253,
00054 LDNS_PRIVATEOID = 254
00055 };
00056 typedef enum ldns_enum_algorithm ldns_algorithm;
00057
00061 enum ldns_enum_hash
00062 {
00063 LDNS_SHA1 = 1,
00064 LDNS_SHA256 = 2
00065 };
00066 typedef enum ldns_enum_hash ldns_hash;
00067
00071 enum ldns_enum_signing_algorithm
00072 {
00073 LDNS_SIGN_RSAMD5 = LDNS_RSAMD5,
00074 LDNS_SIGN_RSASHA1 = LDNS_RSASHA1,
00075 LDNS_SIGN_RSASHA256 = LDNS_RSASHA256,
00076 LDNS_SIGN_RSASHA512 = LDNS_RSASHA512,
00077 LDNS_SIGN_DSA = LDNS_DSA,
00078 LDNS_SIGN_RSASHA1_NSEC3 = LDNS_RSASHA1_NSEC3,
00079 LDNS_SIGN_RSASHA256_NSEC3 = LDNS_RSASHA256_NSEC3,
00080 LDNS_SIGN_RSASHA512_NSEC3 = LDNS_RSASHA512_NSEC3,
00081 LDNS_SIGN_DSA_NSEC3 = LDNS_DSA_NSEC3,
00082 LDNS_SIGN_HMACMD5 = 157
00083 };
00084 typedef enum ldns_enum_signing_algorithm ldns_signing_algorithm;
00085
00096 struct ldns_struct_key {
00097 ldns_signing_algorithm _alg;
00099 bool _use;
00101
00102 struct {
00103 #ifdef HAVE_SSL
00104 #ifndef S_SPLINT_S
00105 EVP_PKEY *key;
00106 #endif
00107 #endif
00108 struct {
00109 unsigned char *key;
00110 size_t size;
00111 } hmac;
00112 } _key;
00114 union {
00116 struct {
00118 uint32_t orig_ttl;
00120 uint32_t inception;
00122 uint32_t expiration;
00124 uint16_t keytag;
00126 uint16_t flags;
00127 } dnssec;
00128 } _extra;
00130 ldns_rdf *_pubkey_owner;
00131 };
00132 typedef struct ldns_struct_key ldns_key;
00133
00137 struct ldns_struct_key_list
00138 {
00139 size_t _key_count;
00140 ldns_key **_keys;
00141 };
00142 typedef struct ldns_struct_key_list ldns_key_list;
00143
00144
00149 ldns_key_list *ldns_key_list_new();
00150
00155 ldns_key *ldns_key_new();
00156
00164 ldns_key *ldns_key_new_frm_algorithm(ldns_signing_algorithm a, uint16_t size);
00165
00176 ldns_status ldns_key_new_frm_fp(ldns_key **k, FILE *fp);
00177
00189 ldns_status ldns_key_new_frm_fp_l(ldns_key **k, FILE *fp, int *line_nr);
00190
00191 #ifdef HAVE_SSL
00192
00196 ldns_status ldns_key_new_frm_engine(ldns_key **key, ENGINE *e, char *key_id, ldns_algorithm);
00197
00198
00205 RSA *ldns_key_new_frm_fp_rsa(FILE *fp);
00206 #endif
00207
00208 #ifdef HAVE_SSL
00209
00216 RSA *ldns_key_new_frm_fp_rsa_l(FILE *fp, int *line_nr);
00217 #endif
00218
00219 #ifdef HAVE_SSL
00220
00226 DSA *ldns_key_new_frm_fp_dsa(FILE *fp);
00227 #endif
00228
00229 #ifdef HAVE_SSL
00230
00237 DSA *ldns_key_new_frm_fp_dsa_l(FILE *fp, int *line_nr);
00238 #endif
00239
00240 #ifdef HAVE_SSL
00241
00249 unsigned char *ldns_key_new_frm_fp_hmac(FILE *fp, size_t *hmac_size);
00250 #endif
00251
00252 #ifdef HAVE_SSL
00253
00262 unsigned char *ldns_key_new_frm_fp_hmac_l(FILE *fp, int *line_nr, size_t *hmac_size);
00263 #endif
00264
00265
00271 void ldns_key_set_algorithm(ldns_key *k, ldns_signing_algorithm l);
00272 #ifdef HAVE_SSL
00273
00278 void ldns_key_set_evp_key(ldns_key *k, EVP_PKEY *e);
00284 void ldns_key_set_rsa_key(ldns_key *k, RSA *r);
00290 void ldns_key_set_dsa_key(ldns_key *k, DSA *d);
00291 #endif
00292
00297 void ldns_key_set_hmac_key(ldns_key *k, unsigned char *hmac);
00298
00299
00300
00301
00302
00303 void ldns_key_set_hmac_size(ldns_key *k, size_t hmac_size);
00304
00310 void ldns_key_set_hmac_size(ldns_key *k, size_t hmac_size);
00316 void ldns_key_set_origttl(ldns_key *k, uint32_t t);
00322 void ldns_key_set_inception(ldns_key *k, uint32_t i);
00328 void ldns_key_set_expiration(ldns_key *k, uint32_t e);
00334 void ldns_key_set_pubkey_owner(ldns_key *k, ldns_rdf *r);
00340 void ldns_key_set_keytag(ldns_key *k, uint16_t tag);
00346 void ldns_key_set_flags(ldns_key *k, uint16_t flags);
00352 void ldns_key_list_set_key_count(ldns_key_list *key, size_t count);
00353
00360 bool ldns_key_list_push_key(ldns_key_list *key_list, ldns_key *key);
00361
00367 size_t ldns_key_list_key_count(const ldns_key_list *key_list);
00368
00375 ldns_key *ldns_key_list_key(const ldns_key_list *key, size_t nr);
00376
00377 #ifdef HAVE_SSL
00378
00383 RSA *ldns_key_rsa_key(const ldns_key *k);
00389 EVP_PKEY *ldns_key_evp_key(const ldns_key *k);
00390 #endif
00391
00395 #ifdef HAVE_SSL
00396 DSA *ldns_key_dsa_key(const ldns_key *k);
00397 #endif
00398
00404 ldns_signing_algorithm ldns_key_algorithm(const ldns_key *k);
00410 void ldns_key_set_use(ldns_key *k, bool v);
00416 bool ldns_key_use(const ldns_key *k);
00422 unsigned char *ldns_key_hmac_key(const ldns_key *k);
00428 size_t ldns_key_hmac_size(const ldns_key *k);
00434 uint32_t ldns_key_origttl(const ldns_key *k);
00440 uint32_t ldns_key_inception(const ldns_key *k);
00446 uint32_t ldns_key_expiration(const ldns_key *k);
00452 uint16_t ldns_key_keytag(const ldns_key *k);
00458 ldns_rdf *ldns_key_pubkey_owner(const ldns_key *k);
00464 void
00465 ldns_key_list_set_use(ldns_key_list *keys, bool v);
00466
00472 uint16_t ldns_key_flags(const ldns_key *k);
00473
00479 ldns_key *ldns_key_list_pop_key(ldns_key_list *key_list);
00480
00487 ldns_rr *ldns_key2rr(const ldns_key *k);
00488
00495 void ldns_key_print(FILE *output, const ldns_key *k);
00496
00502 void ldns_key_free(ldns_key *key);
00503
00509 void ldns_key_deep_free(ldns_key *key);
00510
00515 void ldns_key_list_free(ldns_key_list *key_list);
00516
00522 ldns_rr * ldns_read_anchor_file(const char *filename);
00523 #endif