tpgp.h - mixmaster - mixmaster 3.0 patched for libressl
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tpgp.h (6048B)
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1 /* Mixmaster version 3.0 -- (C) 1999 - 2006 Anonymizer Inc. and others.
2
3 Mixmaster may be redistributed and modified under certain conditions.
4 This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
5 ANY KIND, either express or implied. See the file COPYRIGHT for
6 details.
7
8 OpenPGP messages
9 $Id: pgp.h 934 2006-06-24 13:40:39Z rabbi $ */
10
11
12 #ifdef USE_PGP
13 #ifndef _PGP_H
14 #include "mix3.h"
15 #ifdef USE_OPENSSL
16 #include <openssl/opensslv.h>
17 #endif /* USE_OPENSSL */
18
19 /* in the PGP Version header, list the same information as all other
20 versions of Mixmaster to prevent anonymity set division. */
21 #define CLOAK
22
23 /* try to make the messages look similar to PGP 2.6.3i output
24 (compression is not always the same though). */
25 #define MIMIC
26
27 /* packet types */
28 #define PGP_SESKEY 1
29 #define PGP_SIG 2
30 #define PGP_SYMSESKEY 3
31 #define PGP_OSIG 4
32 #define PGP_SECKEY 5
33 #define PGP_PUBKEY 6
34 #define PGP_SECSUBKEY 7
35 #define PGP_COMPRESSED 8
36 #define PGP_ENCRYPTED 9
37 #define PGP_MARKER 10
38 #define PGP_LITERAL 11
39 #define PGP_TRUST 12
40 #define PGP_USERID 13
41 #define PGP_PUBSUBKEY 14
42 #define PGP_ENCRYPTEDMDC 18
43 #define PGP_MDC 19
44
45 /* symmetric algorithms */
46 #define PGP_K_ANY 0
47 #define PGP_K_IDEA 1
48 #define PGP_K_3DES 2
49 #define PGP_K_CAST5 3
50 #define PGP_K_BF 4
51 #define PGP_K_AES128 7
52 #define PGP_K_AES192 8
53 #define PGP_K_AES256 9
54
55 /* hash algorithms */
56 #define PGP_H_MD5 1
57 #define PGP_H_SHA1 2
58 #define PGP_H_RIPEMD 3
59
60 /* signature types */
61 #define PGP_SIG_BINARY 0
62 #define PGP_SIG_CANONIC 1
63 #define PGP_SIG_CERT 0x10
64 #define PGP_SIG_CERT1 0x11
65 #define PGP_SIG_CERT2 0x12
66 #define PGP_SIG_CERT3 0x13
67 #define isPGP_SIG_CERT(x) (x >= PGP_SIG_CERT && x <= PGP_SIG_CERT3)
68 #define PGP_SIG_BINDSUBKEY 0x18
69 #define PGP_SIG_KEYREVOKE 0x20
70 #define PGP_SIG_SUBKEYREVOKE 0x28
71 #define PGP_SIG_CERTREVOKE 0x30
72
73 /* signature subpacket types */
74 #define PGP_SUB_CREATIME 2
75 #define PGP_SUB_CERTEXPIRETIME 3
76 #define PGP_SUB_KEYEXPIRETIME 9
77 #define PGP_SUB_PSYMMETRIC 11
78 #define PGP_SUB_ISSUER 16
79 #define PGP_SUB_PRIMARY 25
80 #define PGP_SUB_FEATURES 30
81
82 #define ARMORED 1
83
84 /* publick key algorithm operation modes */
85
86 #define PK_ENCRYPT 1
87 #define PK_DECRYPT 2
88 #define PK_SIGN 3
89 #define PK_VERIFY 4
90
91 #define MD5PREFIX "\x30\x20\x30\x0C\x06\x08\x2A\x86\x48\x86\xF7\x0D\x02\x05\x05\x00\x04\x10"
92 #define SHA1PREFIX "\x30\x21\x30\x09\x06\x05\x2b\x0E\x03\x02\x1A\x05\x00\x04\x14"
93
94 typedef struct {
95 int ok;
96 BUFFER *userid;
97 byte sigtype;
98 long sigtime;
99 byte hash[16];
100 } pgpsig;
101
102 /* internal error codes */
103 #define PGP_SIGVRFY 99 /* valid signature packet to be verified */
104
105 /* pgpdata.c */
106 int pgp_getsk(BUFFER *p, BUFFER *pass, BUFFER *key);
107 int pgp_makesk(BUFFER *out, BUFFER *key, int sym, int type, int hash,
108 BUFFER *pass);
109 void pgp_iteratedsk(BUFFER *salted, BUFFER *salt, BUFFER *pass, byte c);
110 int pgp_expandsk(BUFFER *key, int skalgo, int hashalgo, BUFFER *data);
111 int skcrypt(BUFFER *data, int skalgo, BUFFER *key, BUFFER *iv, int enc);
112 int mpi_get(BUFFER *buf, BUFFER *mpi);
113 int mpi_put(BUFFER *buf, BUFFER *mpi);
114 int pgp_rsa(BUFFER *buf, BUFFER *key, int mode);
115 void pgp_sigcanonic(BUFFER *msg);
116 int pgp_makepubkey(BUFFER *seckey, BUFFER *outtxt, BUFFER *pubkey,
117 BUFFER *pass, int keyalgo);
118 int pgp_makekeyheader(int type, BUFFER *keypacket, BUFFER *outtxt,
119 BUFFER *pass, int keyalgo);
120 int pgp_getkey(int mode, int algo, int *sym, int *mdc, long *expires, BUFFER *keypacket, BUFFER *key,
121 BUFFER *keyid, BUFFER *userid, BUFFER *pass);
122 int pgp_rsakeygen(int bits, BUFFER *userid, BUFFER *pass, char *pubring,
123 char *secring, int remail);
124 int pgp_dhkeygen(int bits, BUFFER *userid, BUFFER *pass, char *pubring,
125 char *secring, int remail);
126 int pgp_dosign(int algo, BUFFER *data, BUFFER *key);
127 int pgp_elgencrypt(BUFFER *b, BUFFER *key);
128 int pgp_elgdecrypt(BUFFER *b, BUFFER *key);
129 int pgp_keyid(BUFFER *key, BUFFER *id);
130 int pgp_keylen(int symalgo);
131 int pgp_blocklen(int symalgo);
132
133 /* pgpget.c */
134 int pgp_getmsg(BUFFER *in, BUFFER *key, BUFFER *sig, char *pubring,
135 char *secring);
136 int pgp_ispacket(BUFFER *buf);
137 int pgp_isconventional(BUFFER *buf);
138 int pgp_packettype(BUFFER *buf, long *len, int *partial);
139 int pgp_packetpartial(BUFFER *buf, long *len, int *partial);
140 int pgp_getpacket(BUFFER *buf, BUFFER *p);
141 int pgp_getsig(BUFFER *p, pgpsig *sig, char *pubring);
142 void pgp_verify(BUFFER *msg, BUFFER *detached, pgpsig *sig);
143 int pgp_getsymmetric(BUFFER *buf, BUFFER *key, int algo, int type);
144 int pgp_getliteral(BUFFER *buf);
145 int pgp_uncompress(BUFFER *buf);
146 int pgp_getsessionkey(BUFFER *buf, BUFFER *pass, char *secring);
147 int pgp_getsymsessionkey(BUFFER *buf, BUFFER *pass);
148
149 /* pgpcreat.c */
150 int pgp_packet(BUFFER *buf, int type);
151 int pgp_packet3(BUFFER *buf, int type);
152 int pgp_symmetric(BUFFER *buf, BUFFER *key, int mdc);
153 int pgp_literal(BUFFER *buf, char *filename, int text);
154 int pgp_compress(BUFFER *buf);
155 int pgp_sessionkey(BUFFER *buf, BUFFER *user, BUFFER *keyid, BUFFER *seskey,
156 char *pubring);
157 void pgp_marker(BUFFER *buf);
158 int pgp_symsessionkey(BUFFER *buf, BUFFER *seskey, BUFFER *pass);
159 int pgp_sign(BUFFER *msg, BUFFER *msg2, BUFFER *sig, BUFFER *userid,
160 BUFFER *pass, int type, int self, long now, int remail,
161 BUFFER *seckey, char *secring);
162 int pgp_digest(int hashalgo, BUFFER *in, BUFFER *d);
163
164 /* pgpdb.c */
165
166 int pgpdb_getkey(int mode, int algo, int *sym, int *mdc, long *expires, BUFFER *key, BUFFER *user,
167 BUFFER *founduid, BUFFER *keyid, char *keyring, BUFFER *pass);
168
169 typedef struct {
170 int filetype;
171 BUFFER *db;
172 LOCK *lock;
173 int modified;
174 int type; /* undefined, public, private */
175 char filename[LINELEN];
176 BUFFER *encryptkey;
177 #ifndef NDEBUG
178 int writer;
179 #endif
180 } KEYRING;
181
182 KEYRING *pgpdb_new(char *keyring, int filetype, BUFFER *encryptkey, int type);
183 KEYRING *pgpdb_open(char *keyring, BUFFER *encryptkey, int writer, int type);
184 int pgpdb_append(KEYRING *keydb, BUFFER *p);
185 int pgpdb_getnext(KEYRING *keydb, BUFFER *p, BUFFER *keyid, BUFFER *userid);
186 int pgpdb_close(KEYRING *keydb);
187
188 #endif /* not _PGP_H */
189 #endif /* USE_PGP */