xref: /illumos-gate/usr/src/lib/libresolv2/include/isc/dst.h (revision 55fea89dcaa64928bed4327112404dcb3e07b79f)
1 #ifndef DST_H
2 #define DST_H
3 
4 #ifndef HAS_DST_KEY
5 typedef 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  */
58 void     dst_init(void);
59 int      dst_check_algorithm(const int);
60 
61 
62 int 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  */
69 int 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  */
76 DST_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 */
80 int      dst_write_key(const DST_KEY *,	/*!<   key to write out  */
81 		       const int); 	/*!<   Public/Private  */
82 DST_KEY *dst_dnskey_to_key(const char *,	/*!<   KEY record name  */
83 			   const u_char *,	/*!<   KEY RDATA  */
84 			   const int);		/*!<   size of input buffer */
85 int      dst_key_to_dnskey(const DST_KEY *,	/*!<   key to translate  */
86 			   u_char *,		/*!<   output buffer  */
87 			   const int);		/*!<   size of out_storage */
88 DST_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  */
94 int     dst_key_to_buffer(DST_KEY *, u_char *, int);
95 
96 DST_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  */
102 DST_KEY *dst_free_key(DST_KEY *);
103 int      dst_compare_keys(const DST_KEY *, const DST_KEY *);
104 
105 int	dst_sig_size(DST_KEY *);
106 
107 
108 /* support for dns key tags/ids */
109 u_int16_t dst_s_dns_key_id(const u_char *, const int);
110 u_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