1#ifndef DST_H 2#define DST_H 3 4#ifndef HAS_DST_KEY 5typedef struct dst_key { 6 char *dk_key_name; /*%< name of the key */ 7 int dk_key_size; /*%< this is the size of the key in bits */ 8 int dk_proto; /*%< what protocols this key can be used for */ 9 int dk_alg; /*%< algorithm number from key record */ 10 u_int32_t dk_flags; /*%< and the flags of the public key */ 11 u_int16_t dk_id; /*%< identifier of the key */ 12} DST_KEY; 13#endif /* HAS_DST_KEY */ 14/* 15 * do not taint namespace 16 */ 17#define dst_bsafe_init __dst_bsafe_init 18#define dst_buffer_to_key __dst_buffer_to_key 19#define dst_check_algorithm __dst_check_algorithm 20#define dst_compare_keys __dst_compare_keys 21#define dst_cylink_init __dst_cylink_init 22#define dst_dnskey_to_key __dst_dnskey_to_key 23#define dst_eay_dss_init __dst_eay_dss_init 24#define dst_free_key __dst_free_key 25#define dst_generate_key __dst_generate_key 26#define dst_hmac_md5_init __dst_hmac_md5_init 27#define dst_init __dst_init 28#define dst_key_to_buffer __dst_key_to_buffer 29#define dst_key_to_dnskey __dst_key_to_dnskey 30#define dst_read_key __dst_read_key 31#define dst_rsaref_init __dst_rsaref_init 32#define dst_s_build_filename __dst_s_build_filename 33#define dst_s_calculate_bits __dst_s_calculate_bits 34#define dst_s_conv_bignum_b64_to_u8 __dst_s_conv_bignum_b64_to_u8 35#define dst_s_conv_bignum_u8_to_b64 __dst_s_conv_bignum_u8_to_b64 36#define dst_s_dns_key_id __dst_s_dns_key_id 37#define dst_s_dump __dst_s_dump 38#define dst_s_filename_length __dst_s_filename_length 39#define dst_s_fopen __dst_s_fopen 40#define dst_s_get_int16 __dst_s_get_int16 41#define dst_s_get_int32 __dst_s_get_int32 42#define dst_s_id_calc __dst_s_id_calc 43#define dst_s_put_int16 __dst_s_put_int16 44#define dst_s_put_int32 __dst_s_put_int32 45#define dst_s_quick_random __dst_s_quick_random 46#define dst_s_quick_random_set __dst_s_quick_random_set 47#define dst_s_random __dst_s_random 48#define dst_s_semi_random __dst_s_semi_random 49#define dst_s_verify_str __dst_s_verify_str 50#define dst_sig_size __dst_sig_size 51#define dst_sign_data __dst_sign_data 52#define dst_verify_data __dst_verify_data 53#define dst_write_key __dst_write_key 54 55/* 56 * DST Crypto API defintions 57 */ 58void dst_init(void); 59int dst_check_algorithm(const int); 60 61 62int dst_sign_data(const int, /*!< specifies INIT/UPDATE/FINAL/ALL */ 63 DST_KEY *, /*!< the key to use */ 64 void **, /*!< pointer to state structure */ 65 const u_char *, /*!< data to be signed */ 66 const int, /*!< length of input data */ 67 u_char *, /*!< buffer to write signature to */ 68 const int); /*!< size of output buffer */ 69int dst_verify_data(const int, /*!< specifies INIT/UPDATE/FINAL/ALL */ 70 DST_KEY *, /*!< the key to use */ 71 void **, /*!< pointer to state structure */ 72 const u_char *, /*!< data to be verified */ 73 const int, /*!< length of input data */ 74 const u_char *, /*!< buffer containing signature */ 75 const int); /*!< length of signature */ 76DST_KEY *dst_read_key(const char *, /*!< name of key */ 77 const u_int16_t, /*!< key tag identifier */ 78 const int, /*!< key algorithm */ 79 const int); /*!< Private/PublicKey wanted */ 80int dst_write_key(const DST_KEY *, /*!< key to write out */ 81 const int); /*!< Public/Private */ 82DST_KEY *dst_dnskey_to_key(const char *, /*!< KEY record name */ 83 const u_char *, /*!< KEY RDATA */ 84 const int); /*!< size of input buffer */ 85int dst_key_to_dnskey(const DST_KEY *, /*!< key to translate */ 86 u_char *, /*!< output buffer */ 87 const int); /*!< size of out_storage */ 88DST_KEY *dst_buffer_to_key(const char *, /*!< name of the key */ 89 const int, /*!< algorithm */ 90 const int, /*!< dns flags */ 91 const int, /*!< dns protocol */ 92 const u_char *, /*!< key in dns wire fmt */ 93 const int); /*!< size of key */ 94int dst_key_to_buffer(DST_KEY *, u_char *, int); 95 96DST_KEY *dst_generate_key(const char *, /*!< name of new key */ 97 const int, /*!< key algorithm to generate */ 98 const int, /*!< size of new key */ 99 const int, /*!< alg dependent parameter */ 100 const int, /*!< key DNS flags */ 101 const int); /*!< key DNS protocol */ 102DST_KEY *dst_free_key(DST_KEY *); 103int dst_compare_keys(const DST_KEY *, const DST_KEY *); 104 105int dst_sig_size(DST_KEY *); 106 107 108/* support for dns key tags/ids */ 109u_int16_t dst_s_dns_key_id(const u_char *, const int); 110u_int16_t dst_s_id_calc(const u_char *, const int); 111 112/* Used by callers as well as by the library. */ 113#define RAW_KEY_SIZE 8192 /*%< large enough to store any key */ 114/* DST_API control flags */ 115/* These are used used in functions dst_sign_data and dst_verify_data */ 116#define SIG_MODE_INIT 1 /*%< initialize digest */ 117#define SIG_MODE_UPDATE 2 /*%< add data to digest */ 118#define SIG_MODE_FINAL 4 /*%< generate/verify signature */ 119#define SIG_MODE_ALL (SIG_MODE_INIT|SIG_MODE_UPDATE|SIG_MODE_FINAL) 120 121/* Flags for dst_read_private_key() */ 122#define DST_FORCE_READ 0x1000000 123#define DST_CAN_SIGN 0x010F 124#define DST_NO_AUTHEN 0x8000 125#define DST_EXTEND_FLAG 0x1000 126#define DST_STANDARD 0 127#define DST_PRIVATE 0x2000000 128#define DST_PUBLIC 0x4000000 129#define DST_RAND_SEMI 1 130#define DST_RAND_STD 2 131#define DST_RAND_KEY 3 132#define DST_RAND_DSS 4 133 134 135/* DST algorithm codes */ 136#define KEY_RSA 1 137#define KEY_DH 2 138#define KEY_DSA 3 139#define KEY_PRIVATE 254 140#define KEY_EXPAND 255 141#define KEY_HMAC_MD5 157 142#define KEY_HMAC_SHA1 158 143#define UNKNOWN_KEYALG 0 144#define DST_MAX_ALGS KEY_HMAC_SHA1 145 146/* DST constants to locations in KEY record changes in new KEY record */ 147#define DST_FLAGS_SIZE 2 148#define DST_KEY_PROT 2 149#define DST_KEY_ALG 3 150#define DST_EXT_FLAG 4 151#define DST_KEY_START 4 152 153#ifndef SIGN_F_NOKEY 154#define SIGN_F_NOKEY 0xC000 155#endif 156 157/* error codes from dst routines */ 158#define SIGN_INIT_FAILURE (-23) 159#define SIGN_UPDATE_FAILURE (-24) 160#define SIGN_FINAL_FAILURE (-25) 161#define VERIFY_INIT_FAILURE (-26) 162#define VERIFY_UPDATE_FAILURE (-27) 163#define VERIFY_FINAL_FAILURE (-28) 164#define MISSING_KEY_OR_SIGNATURE (-30) 165#define UNSUPPORTED_KEYALG (-31) 166 167#endif /* DST_H */ 168/*! \file */ 169