2 * ntp_crypto.h - definitions for cryptographic operations
8 * Configuration codes (also needed for parser without AUTOKEY)
10 #define CRYPTO_CONF_NONE 0 /* nothing doing */
11 #define CRYPTO_CONF_PRIV 1 /* host name */
12 #define CRYPTO_CONF_IDENT 2 /* group name */
13 #define CRYPTO_CONF_CERT 3 /* certificate file name */
14 #define CRYPTO_CONF_RAND 4 /* random seed file name */
15 #define CRYPTO_CONF_IFFPAR 5 /* IFF parameters file name */
16 #define CRYPTO_CONF_GQPAR 6 /* GQ parameters file name */
17 #define CRYPTO_CONF_MVPAR 7 /* MV parameters file name */
18 #define CRYPTO_CONF_PW 8 /* private key password */
19 #define CRYPTO_CONF_NID 9 /* specify digest name */
23 #error AUTOKEY should be defined only if OPENSSL is.
24 invalidsyntax: AUTOKEY should be defined only if OPENSSL is.
27 #include "openssl/bn.h"
28 #include "openssl/evp.h"
29 #include "ntp_calendar.h" /* for fields in the cert_info structure */
33 * The following bits are set by the CRYPTO_ASSOC message from
34 * the server and are not modified by the client.
36 #define CRYPTO_FLAG_ENAB 0x0001 /* crypto enable */
37 #define CRYPTO_FLAG_TAI 0x0002 /* leapseconds table */
39 #define CRYPTO_FLAG_PRIV 0x0010 /* PC identity scheme */
40 #define CRYPTO_FLAG_IFF 0x0020 /* IFF identity scheme */
41 #define CRYPTO_FLAG_GQ 0x0040 /* GQ identity scheme */
42 #define CRYPTO_FLAG_MV 0x0080 /* MV identity scheme */
43 #define CRYPTO_FLAG_MASK 0x00f0 /* identity scheme mask */
46 * The following bits are used by the client during the protocol
49 #define CRYPTO_FLAG_CERT 0x0100 /* public key verified */
50 #define CRYPTO_FLAG_VRFY 0x0200 /* identity verified */
51 #define CRYPTO_FLAG_PROV 0x0400 /* signature verified */
52 #define CRYPTO_FLAG_COOK 0x0800 /* cookie verifed */
53 #define CRYPTO_FLAG_AUTO 0x1000 /* autokey verified */
54 #define CRYPTO_FLAG_SIGN 0x2000 /* certificate signed */
55 #define CRYPTO_FLAG_LEAP 0x4000 /* leapsecond values verified */
56 #define CRYPTO_FLAG_ALL 0x7f00 /* all mask */
59 * Flags used for certificate management
61 #define CERT_TRUST 0x01 /* certificate is trusted */
62 #define CERT_SIGN 0x02 /* certificate is signed */
63 #define CERT_VALID 0x04 /* certificate is valid */
64 #define CERT_PRIV 0x08 /* certificate is private */
65 #define CERT_ERROR 0x80 /* certificate has errors */
68 * Extension field definitions
70 #define CRYPTO_MAXLEN 1024 /* max extension field length */
71 #define CRYPTO_VN 2 /* current protocol version number */
72 #define CRYPTO_CMD(x) (((CRYPTO_VN << 8) | (x)) << 16)
73 #define CRYPTO_NULL CRYPTO_CMD(0) /* no operation */
74 #define CRYPTO_ASSOC CRYPTO_CMD(1) /* association */
75 #define CRYPTO_CERT CRYPTO_CMD(2) /* certificate */
76 #define CRYPTO_COOK CRYPTO_CMD(3) /* cookie value */
77 #define CRYPTO_AUTO CRYPTO_CMD(4) /* autokey values */
78 #define CRYPTO_LEAP CRYPTO_CMD(5) /* leapsecond values */
79 #define CRYPTO_SIGN CRYPTO_CMD(6) /* certificate sign */
80 #define CRYPTO_IFF CRYPTO_CMD(7) /* IFF identity scheme */
81 #define CRYPTO_GQ CRYPTO_CMD(8) /* GQ identity scheme */
82 #define CRYPTO_MV CRYPTO_CMD(9) /* MV identity scheme */
83 #define CRYPTO_RESP 0x80000000 /* response */
84 #define CRYPTO_ERROR 0x40000000 /* error */
89 #define XEVNT_CMD(x) (CRPT_EVENT | (x))
90 #define XEVNT_OK XEVNT_CMD(0) /* success */
91 #define XEVNT_LEN XEVNT_CMD(1) /* bad field format or length */
92 #define XEVNT_TSP XEVNT_CMD(2) /* bad timestamp */
93 #define XEVNT_FSP XEVNT_CMD(3) /* bad filestamp */
94 #define XEVNT_PUB XEVNT_CMD(4) /* bad or missing public key */
95 #define XEVNT_MD XEVNT_CMD(5) /* unsupported digest type */
96 #define XEVNT_KEY XEVNT_CMD(6) /* unsupported identity type */
97 #define XEVNT_SGL XEVNT_CMD(7) /* bad signature length */
98 #define XEVNT_SIG XEVNT_CMD(8) /* signature not verified */
99 #define XEVNT_VFY XEVNT_CMD(9) /* certificate not verified */
100 #define XEVNT_PER XEVNT_CMD(10) /* host certificate expired */
101 #define XEVNT_CKY XEVNT_CMD(11) /* bad or missing cookie */
102 #define XEVNT_DAT XEVNT_CMD(12) /* bad or missing leapseconds */
103 #define XEVNT_CRT XEVNT_CMD(13) /* bad or missing certificate */
104 #define XEVNT_ID XEVNT_CMD(14) /* bad or missing group key */
105 #define XEVNT_ERR XEVNT_CMD(15) /* protocol error */
108 * Miscellaneous crypto stuff
110 #define NTP_MAXSESSION 100 /* maximum session key list entries */
111 #define NTP_MAXEXTEN 2048 /* maximum extension field size */
112 #define NTP_AUTOMAX 12 /* default key list timeout (log2 s) */
113 #define KEY_REVOKE 17 /* default key revoke timeout (log2 s) */
114 #define NTP_REFRESH 19 /* default restart timeout (log2 s) */
115 #define NTP_MAXKEY 65535 /* maximum symmetric key ID */
118 * The autokey structure holds the values used to authenticate key IDs.
120 struct autokey { /* network byte order */
121 keyid_t key; /* key ID */
122 int32 seq; /* key number */
126 * The value structure holds variable length data such as public
127 * key, agreement parameters, public valule and leapsecond table.
128 * They are in network byte order.
130 struct value { /* network byte order */
131 tstamp_t tstamp; /* timestamp */
132 tstamp_t fstamp; /* filestamp */
133 u_int32 vallen; /* value length */
134 void *ptr; /* data pointer (various) */
135 u_int32 siglen; /* signature length */
136 u_char *sig; /* signature */
140 * The packet extension field structures are used to hold values
141 * and signatures in network byte order.
144 u_int32 opcode; /* opcode */
145 u_int32 associd; /* association ID */
146 u_int32 tstamp; /* timestamp */
147 u_int32 fstamp; /* filestamp */
148 u_int32 vallen; /* value length */
149 u_int32 pkt[1]; /* start of value field */
154 * The certificate info/value structure
157 struct cert_info *link; /* forward link */
158 u_int flags; /* flags that wave */
159 EVP_PKEY *pkey; /* generic key */
160 long version; /* X509 version */
161 int nid; /* signature/digest ID */
162 const EVP_MD *digest; /* message digest algorithm */
163 u_long serial; /* serial number */
164 struct calendar first; /* not valid before */
165 struct calendar last; /* not valid after */
166 char *subject; /* subject common name */
167 char *issuer; /* issuer common name */
168 BIGNUM *grpkey; /* GQ group key */
169 struct value cert; /* certificate/value */
173 * The keys info/value structure
176 struct pkey_info *link; /* forward link */
177 EVP_PKEY *pkey; /* generic key */
178 char *name; /* file name */
179 tstamp_t fstamp; /* filestamp */
183 * Cryptographic values
185 extern u_int crypto_flags; /* status word */
186 extern int crypto_nid; /* digest nid */
187 extern struct value hostval; /* host name/value */
188 extern struct cert_info *cinfo; /* host certificate information */
189 extern struct value tai_leap; /* leapseconds table */
191 #endif /* NTP_CRYPTO_H */