df3c4460 |
1 | #include <stdio.h> |
37508af4 |
2 | #include <string.h> |
3 | |
dcbde236 |
4 | #include "puttymem.h" |
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5 | #include "network.h" |
5c72ca61 |
6 | #include "int64.h" |
9a30e26b |
7 | #include "misc.h" |
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8 | |
2871113a |
9 | struct ssh_channel; |
10 | |
5471d09a |
11 | extern void sshfwd_close(struct ssh_channel *c); |
12 | extern int sshfwd_write(struct ssh_channel *c, char *, int); |
13 | extern void sshfwd_unthrottle(struct ssh_channel *c, int bufsize); |
14 | |
e5574168 |
15 | /* |
16 | * Useful thing. |
17 | */ |
18 | #ifndef lenof |
19 | #define lenof(x) ( (sizeof((x))) / (sizeof(*(x)))) |
20 | #endif |
21 | |
bea1ef5f |
22 | #define SSH_CIPHER_IDEA 1 |
9697bfd2 |
23 | #define SSH_CIPHER_DES 2 |
bea1ef5f |
24 | #define SSH_CIPHER_3DES 3 |
25 | #define SSH_CIPHER_BLOWFISH 6 |
26 | |
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27 | #ifdef MSCRYPTOAPI |
28 | #define APIEXTRA 8 |
29 | #else |
30 | #define APIEXTRA 0 |
31 | #endif |
32 | |
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33 | #ifndef BIGNUM_INTERNAL |
34 | typedef void *Bignum; |
35 | #endif |
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36 | |
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37 | struct RSAKey { |
38 | int bits; |
39 | int bytes; |
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40 | #ifdef MSCRYPTOAPI |
41 | unsigned long exponent; |
42 | unsigned char *modulus; |
43 | #else |
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44 | Bignum modulus; |
45 | Bignum exponent; |
46 | Bignum private_exponent; |
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47 | Bignum p; |
48 | Bignum q; |
49 | Bignum iqmp; |
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50 | #endif |
51 | char *comment; |
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52 | }; |
53 | |
5c72ca61 |
54 | struct dss_key { |
55 | Bignum p, q, g, y, x; |
56 | }; |
57 | |
0016d70b |
58 | int makekey(unsigned char *data, int len, struct RSAKey *result, |
7cca0d81 |
59 | unsigned char **keystr, int order); |
0016d70b |
60 | int makeprivate(unsigned char *data, int len, struct RSAKey *result); |
61 | int rsaencrypt(unsigned char *data, int length, struct RSAKey *key); |
7cca0d81 |
62 | Bignum rsadecrypt(Bignum input, struct RSAKey *key); |
63 | void rsasign(unsigned char *data, int length, struct RSAKey *key); |
64 | void rsasanitise(struct RSAKey *key); |
374330e2 |
65 | int rsastr_len(struct RSAKey *key); |
66 | void rsastr_fmt(char *str, struct RSAKey *key); |
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67 | void rsa_fingerprint(char *str, int len, struct RSAKey *key); |
014970c8 |
68 | int rsa_verify(struct RSAKey *key); |
3f2d010c |
69 | unsigned char *rsa_public_blob(struct RSAKey *key, int *len); |
0016d70b |
70 | int rsa_public_blob_len(void *data, int maxlen); |
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71 | void freersakey(struct RSAKey *key); |
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72 | |
73 | typedef unsigned int word32; |
74 | typedef unsigned int uint32; |
75 | |
71bedafe |
76 | unsigned long crc32_compute(const void *s, size_t len); |
9a3a93a5 |
77 | unsigned long crc32_update(unsigned long crc_input, const void *s, size_t len); |
78 | |
79 | /* SSH CRC compensation attack detector */ |
0183b242 |
80 | void *crcda_make_context(void); |
81 | void crcda_free_context(void *handle); |
82 | int detect_attack(void *handle, unsigned char *buf, uint32 len, |
83 | unsigned char *IV); |
374330e2 |
84 | |
48672163 |
85 | typedef struct { |
86 | uint32 h[4]; |
87 | } MD5_Core_State; |
88 | |
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89 | struct MD5Context { |
8f203108 |
90 | #ifdef MSCRYPTOAPI |
91 | unsigned long hHash; |
92 | #else |
48672163 |
93 | MD5_Core_State core; |
bb093ca7 |
94 | unsigned char block[64]; |
48672163 |
95 | int blkused; |
96 | uint32 lenhi, lenlo; |
8f203108 |
97 | #endif |
374330e2 |
98 | }; |
99 | |
100 | void MD5Init(struct MD5Context *context); |
101 | void MD5Update(struct MD5Context *context, unsigned char const *buf, |
32874aea |
102 | unsigned len); |
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103 | void MD5Final(unsigned char digest[16], struct MD5Context *context); |
f33ba69e |
104 | void MD5Simple(void const *p, unsigned len, unsigned char output[16]); |
105 | |
106 | void *hmacmd5_make_context(void); |
107 | void hmacmd5_free_context(void *handle); |
108 | void hmacmd5_key(void *handle, unsigned char const *key, int len); |
109 | void hmacmd5_do_hmac(void *handle, unsigned char const *blk, int len, |
110 | unsigned char *hmac); |
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111 | |
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112 | typedef struct { |
113 | uint32 h[5]; |
114 | unsigned char block[64]; |
115 | int blkused; |
116 | uint32 lenhi, lenlo; |
117 | } SHA_State; |
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118 | void SHA_Init(SHA_State * s); |
119 | void SHA_Bytes(SHA_State * s, void *p, int len); |
120 | void SHA_Final(SHA_State * s, unsigned char *output); |
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121 | void SHA_Simple(void *p, int len, unsigned char *output); |
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122 | |
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123 | void hmac_sha1_simple(void *key, int keylen, void *data, int datalen, |
124 | unsigned char *output); |
125 | |
126 | typedef struct { |
127 | uint64 h[8]; |
128 | unsigned char block[128]; |
129 | int blkused; |
130 | uint32 len[4]; |
131 | } SHA512_State; |
132 | void SHA512_Init(SHA512_State * s); |
133 | void SHA512_Bytes(SHA512_State * s, const void *p, int len); |
134 | void SHA512_Final(SHA512_State * s, unsigned char *output); |
135 | void SHA512_Simple(const void *p, int len, unsigned char *output); |
136 | |
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137 | struct ssh_cipher { |
371e569c |
138 | void *(*make_context)(void); |
139 | void (*free_context)(void *); |
140 | void (*sesskey) (void *, unsigned char *key); /* for ssh 1 */ |
141 | void (*encrypt) (void *, unsigned char *blk, int len); |
142 | void (*decrypt) (void *, unsigned char *blk, int len); |
0a3f1d48 |
143 | int blksize; |
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144 | char *text_name; |
0a3f1d48 |
145 | }; |
146 | |
147 | struct ssh2_cipher { |
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148 | void *(*make_context)(void); |
149 | void (*free_context)(void *); |
150 | void (*setiv) (void *, unsigned char *key); /* for ssh 2 */ |
151 | void (*setkey) (void *, unsigned char *key);/* for ssh 2 */ |
152 | void (*encrypt) (void *, unsigned char *blk, int len); |
153 | void (*decrypt) (void *, unsigned char *blk, int len); |
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154 | char *name; |
155 | int blksize; |
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156 | int keylen; |
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157 | char *text_name; |
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158 | }; |
159 | |
0a3f1d48 |
160 | struct ssh2_ciphers { |
161 | int nciphers; |
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162 | const struct ssh2_cipher *const *list; |
0a3f1d48 |
163 | }; |
164 | |
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165 | struct ssh_mac { |
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166 | void *(*make_context)(void); |
167 | void (*free_context)(void *); |
168 | void (*setkey) (void *, unsigned char *key); |
169 | void (*generate) (void *, unsigned char *blk, int len, unsigned long seq); |
170 | int (*verify) (void *, unsigned char *blk, int len, unsigned long seq); |
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171 | char *name; |
172 | int len; |
6c135243 |
173 | char *text_name; |
e5574168 |
174 | }; |
175 | |
176 | struct ssh_kex { |
7cca0d81 |
177 | /* |
178 | * Plugging in another KEX algorithm requires structural chaos, |
179 | * so it's hard to abstract them into nice little structures |
d1aaf71d |
180 | * like this. Fortunately, all our KEXes are basically |
181 | * Diffie-Hellman at the moment, so in this structure I simply |
182 | * parametrise the DH exchange a bit. |
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183 | */ |
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184 | char *name, *groupname; |
185 | const unsigned char *pdata, *gdata;/* NULL means use group exchange */ |
186 | int plen, glen; |
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187 | }; |
188 | |
e055a386 |
189 | struct ssh_signkey { |
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190 | void *(*newkey) (char *data, int len); |
191 | void (*freekey) (void *key); |
192 | char *(*fmtkey) (void *key); |
193 | unsigned char *(*public_blob) (void *key, int *len); |
194 | unsigned char *(*private_blob) (void *key, int *len); |
195 | void *(*createkey) (unsigned char *pub_blob, int pub_len, |
196 | unsigned char *priv_blob, int priv_len); |
197 | void *(*openssh_createkey) (unsigned char **blob, int *len); |
198 | int (*openssh_fmtkey) (void *key, unsigned char *blob, int len); |
47a6b94c |
199 | int (*pubkey_bits) (void *blob, int len); |
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200 | char *(*fingerprint) (void *key); |
201 | int (*verifysig) (void *key, char *sig, int siglen, |
202 | char *data, int datalen); |
203 | unsigned char *(*sign) (void *key, char *data, int datalen, |
204 | int *siglen); |
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205 | char *name; |
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206 | char *keytype; /* for host key cache */ |
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207 | }; |
208 | |
209 | struct ssh_compress { |
210 | char *name; |
5366aed8 |
211 | void *(*compress_init) (void); |
212 | void (*compress_cleanup) (void *); |
213 | int (*compress) (void *, unsigned char *block, int len, |
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214 | unsigned char **outblock, int *outlen); |
5366aed8 |
215 | void *(*decompress_init) (void); |
216 | void (*decompress_cleanup) (void *); |
217 | int (*decompress) (void *, unsigned char *block, int len, |
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218 | unsigned char **outblock, int *outlen); |
5366aed8 |
219 | int (*disable_compression) (void *); |
220 | char *text_name; |
374330e2 |
221 | }; |
222 | |
65a22376 |
223 | struct ssh2_userkey { |
224 | const struct ssh_signkey *alg; /* the key algorithm */ |
225 | void *data; /* the key data */ |
226 | char *comment; /* the key comment */ |
227 | }; |
228 | |
229 | extern const struct ssh_cipher ssh_3des; |
230 | extern const struct ssh_cipher ssh_des; |
231 | extern const struct ssh_cipher ssh_blowfish_ssh1; |
232 | extern const struct ssh2_ciphers ssh2_3des; |
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233 | extern const struct ssh2_ciphers ssh2_des; |
65a22376 |
234 | extern const struct ssh2_ciphers ssh2_aes; |
235 | extern const struct ssh2_ciphers ssh2_blowfish; |
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236 | extern const struct ssh_kex ssh_diffiehellman_group1; |
237 | extern const struct ssh_kex ssh_diffiehellman_group14; |
65a22376 |
238 | extern const struct ssh_kex ssh_diffiehellman_gex; |
239 | extern const struct ssh_signkey ssh_dss; |
240 | extern const struct ssh_signkey ssh_rsa; |
241 | extern const struct ssh_mac ssh_md5; |
242 | extern const struct ssh_mac ssh_sha1; |
243 | extern const struct ssh_mac ssh_sha1_buggy; |
244 | |
900a4ee6 |
245 | /* |
246 | * PuTTY version number formatted as an SSH version string. |
247 | */ |
248 | extern char sshver[]; |
249 | |
fd5e5847 |
250 | /* |
251 | * Gross hack: pscp will try to start SFTP but fall back to scp1 if |
252 | * that fails. This variable is the means by which scp.c can reach |
253 | * into the SSH code and find out which one it got. |
254 | */ |
51470298 |
255 | extern int ssh_fallback_cmd(void *handle); |
fd5e5847 |
256 | |
8f203108 |
257 | #ifndef MSCRYPTOAPI |
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258 | void SHATransform(word32 * digest, word32 * data); |
8f203108 |
259 | #endif |
374330e2 |
260 | |
261 | int random_byte(void); |
262 | void random_add_noise(void *noise, int length); |
6e522441 |
263 | void random_add_heavynoise(void *noise, int length); |
c5e9c988 |
264 | |
cbe2d68f |
265 | void logevent(void *, const char *); |
51470298 |
266 | |
267 | /* Allocate and register a new channel for port forwarding */ |
268 | void *new_sock_channel(void *handle, Socket s); |
6b78788a |
269 | void ssh_send_port_open(void *channel, char *hostname, int port, char *org); |
e5574168 |
270 | |
322d09a8 |
271 | /* Exports from portfwd.c */ |
cbe2d68f |
272 | extern const char *pfd_newconnect(Socket * s, char *hostname, int port, |
05581745 |
273 | void *c, const Config *cfg, |
274 | int addressfamily); |
820ebe3b |
275 | /* desthost == NULL indicates dynamic (SOCKS) port forwarding */ |
cbe2d68f |
276 | extern const char *pfd_addforward(char *desthost, int destport, char *srcaddr, |
277 | int port, void *backhandle, |
05581745 |
278 | const Config *cfg, void **sockdata, |
279 | int address_family); |
322d09a8 |
280 | extern void pfd_close(Socket s); |
fda2feb1 |
281 | extern void pfd_terminate(void *sockdata); |
322d09a8 |
282 | extern int pfd_send(Socket s, char *data, int len); |
283 | extern void pfd_confirm(Socket s); |
284 | extern void pfd_unthrottle(Socket s); |
285 | extern void pfd_override_throttle(Socket s, int enable); |
286 | |
287 | /* Exports from x11fwd.c */ |
cbe2d68f |
288 | extern const char *x11_init(Socket *, char *, void *, void *, const char *, |
289 | int, const Config *); |
322d09a8 |
290 | extern void x11_close(Socket); |
291 | extern int x11_send(Socket, char *, int); |
b3ebaa28 |
292 | extern void *x11_invent_auth(char *, int, char *, int, int); |
fabd1805 |
293 | extern void x11_free_auth(void *); |
322d09a8 |
294 | extern void x11_unthrottle(Socket s); |
295 | extern void x11_override_throttle(Socket s, int enable); |
296 | extern int x11_get_screen_number(char *display); |
e0e7dff8 |
297 | void x11_get_real_auth(void *authv, char *display); |
fc0f17db |
298 | char *x11_display(const char *display); |
322d09a8 |
299 | |
fc0f17db |
300 | /* Platform-dependent X11 functions */ |
9bee6826 |
301 | extern void platform_get_x11_auth(char *display, int *proto, |
302 | unsigned char *data, int *datalen); |
fc0f17db |
303 | extern const char platform_x11_best_transport[]; |
304 | /* best X11 hostname for this platform if none specified */ |
305 | SockAddr platform_get_x11_unix_address(int displaynum, char **canonicalname); |
306 | /* make up a SockAddr naming the address for displaynum */ |
46ed7b64 |
307 | char *platform_get_x_display(void); |
308 | /* allocated local X display string, if any */ |
9bee6826 |
309 | |
7cca0d81 |
310 | Bignum copybn(Bignum b); |
3709bfe9 |
311 | Bignum bn_power_2(int n); |
312 | void bn_restore_invariant(Bignum b); |
5c72ca61 |
313 | Bignum bignum_from_long(unsigned long n); |
e5574168 |
314 | void freebn(Bignum b); |
59600f67 |
315 | Bignum modpow(Bignum base, Bignum exp, Bignum mod); |
316 | Bignum modmul(Bignum a, Bignum b, Bignum mod); |
7cca0d81 |
317 | void decbn(Bignum n); |
318 | extern Bignum Zero, One; |
27cd7fc2 |
319 | Bignum bignum_from_bytes(const unsigned char *data, int nbytes); |
0016d70b |
320 | int ssh1_read_bignum(const unsigned char *data, int len, Bignum * result); |
ddecd643 |
321 | int bignum_bitcount(Bignum bn); |
5c58ad2d |
322 | int ssh1_bignum_length(Bignum bn); |
260f3dec |
323 | int ssh2_bignum_length(Bignum bn); |
5c58ad2d |
324 | int bignum_byte(Bignum bn, int i); |
9400cf6f |
325 | int bignum_bit(Bignum bn, int i); |
326 | void bignum_set_bit(Bignum bn, int i, int value); |
5c58ad2d |
327 | int ssh1_write_bignum(void *data, Bignum bn); |
9400cf6f |
328 | Bignum biggcd(Bignum a, Bignum b); |
329 | unsigned short bignum_mod_short(Bignum number, unsigned short modulus); |
330 | Bignum bignum_add_long(Bignum number, unsigned long addend); |
331 | Bignum bigmul(Bignum a, Bignum b); |
5c72ca61 |
332 | Bignum bigmuladd(Bignum a, Bignum b, Bignum addend); |
333 | Bignum bigdiv(Bignum a, Bignum b); |
334 | Bignum bigmod(Bignum a, Bignum b); |
9400cf6f |
335 | Bignum modinv(Bignum number, Bignum modulus); |
3709bfe9 |
336 | Bignum bignum_bitmask(Bignum number); |
9400cf6f |
337 | Bignum bignum_rshift(Bignum number, int shift); |
8c3cd914 |
338 | int bignum_cmp(Bignum a, Bignum b); |
6e522441 |
339 | char *bignum_decimal(Bignum x); |
e5574168 |
340 | |
a3412f52 |
341 | #ifdef DEBUG |
342 | void diagbn(char *prefix, Bignum md); |
343 | #endif |
344 | |
d1aaf71d |
345 | void *dh_setup_group(const struct ssh_kex *kex); |
346 | void *dh_setup_gex(Bignum pval, Bignum gval); |
27cd7fc2 |
347 | void dh_cleanup(void *); |
348 | Bignum dh_create_e(void *, int nbits); |
349 | Bignum dh_find_K(void *, Bignum f); |
7cca0d81 |
350 | |
9a30e26b |
351 | int loadrsakey(const Filename *filename, struct RSAKey *key, |
222d54dc |
352 | char *passphrase, const char **errorstr); |
9a30e26b |
353 | int rsakey_encrypted(const Filename *filename, char **comment); |
222d54dc |
354 | int rsakey_pubblob(const Filename *filename, void **blob, int *bloblen, |
355 | const char **errorstr); |
7cca0d81 |
356 | |
9a30e26b |
357 | int saversakey(const Filename *filename, struct RSAKey *key, char *passphrase); |
65a22376 |
358 | |
df3c4460 |
359 | extern int base64_decode_atom(char *atom, unsigned char *out); |
360 | extern int base64_lines(int datalen); |
361 | extern void base64_encode_atom(unsigned char *data, int n, char *out); |
362 | extern void base64_encode(FILE *fp, unsigned char *data, int datalen, int cpl); |
65a22376 |
363 | |
364 | /* ssh2_load_userkey can return this as an error */ |
365 | extern struct ssh2_userkey ssh2_wrong_passphrase; |
366 | #define SSH2_WRONG_PASSPHRASE (&ssh2_wrong_passphrase) |
367 | |
9a30e26b |
368 | int ssh2_userkey_encrypted(const Filename *filename, char **comment); |
369 | struct ssh2_userkey *ssh2_load_userkey(const Filename *filename, |
222d54dc |
370 | char *passphrase, const char **errorstr); |
9a30e26b |
371 | char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm, |
222d54dc |
372 | int *pub_blob_len, const char **errorstr); |
9a30e26b |
373 | int ssh2_save_userkey(const Filename *filename, struct ssh2_userkey *key, |
32874aea |
374 | char *passphrase); |
47a6b94c |
375 | const struct ssh_signkey *find_pubkey_alg(const char *name); |
65a22376 |
376 | |
231ee168 |
377 | enum { |
378 | SSH_KEYTYPE_UNOPENABLE, |
379 | SSH_KEYTYPE_UNKNOWN, |
380 | SSH_KEYTYPE_SSH1, SSH_KEYTYPE_SSH2, |
381 | SSH_KEYTYPE_OPENSSH, SSH_KEYTYPE_SSHCOM |
382 | }; |
9a30e26b |
383 | int key_type(const Filename *filename); |
231ee168 |
384 | char *key_type_to_str(int type); |
6e522441 |
385 | |
9dda6459 |
386 | int import_possible(int type); |
387 | int import_target_type(int type); |
9a30e26b |
388 | int import_encrypted(const Filename *filename, int type, char **comment); |
389 | int import_ssh1(const Filename *filename, int type, |
390 | struct RSAKey *key, char *passphrase); |
391 | struct ssh2_userkey *import_ssh2(const Filename *filename, int type, |
392 | char *passphrase); |
393 | int export_ssh1(const Filename *filename, int type, |
394 | struct RSAKey *key, char *passphrase); |
395 | int export_ssh2(const Filename *filename, int type, |
4801c01c |
396 | struct ssh2_userkey *key, char *passphrase); |
9dda6459 |
397 | |
65a22376 |
398 | void des3_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len); |
399 | void des3_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len); |
9dda6459 |
400 | void des3_decrypt_pubkey_ossh(unsigned char *key, unsigned char *iv, |
401 | unsigned char *blk, int len); |
402 | void des3_encrypt_pubkey_ossh(unsigned char *key, unsigned char *iv, |
403 | unsigned char *blk, int len); |
32874aea |
404 | void aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk, |
405 | int len); |
406 | void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk, |
407 | int len); |
9400cf6f |
408 | |
2f92b717 |
409 | void des_encrypt_xdmauth(unsigned char *key, unsigned char *blk, int len); |
b3ebaa28 |
410 | void des_decrypt_xdmauth(unsigned char *key, unsigned char *blk, int len); |
2f92b717 |
411 | |
9400cf6f |
412 | /* |
413 | * For progress updates in the key generation utility. |
414 | */ |
7c7f6893 |
415 | #define PROGFN_INITIALISE 1 |
416 | #define PROGFN_LIN_PHASE 2 |
417 | #define PROGFN_EXP_PHASE 3 |
418 | #define PROGFN_PHASE_EXTENT 4 |
419 | #define PROGFN_READY 5 |
420 | #define PROGFN_PROGRESS 6 |
5c72ca61 |
421 | typedef void (*progfn_t) (void *param, int action, int phase, int progress); |
9400cf6f |
422 | |
32874aea |
423 | int rsa_generate(struct RSAKey *key, int bits, progfn_t pfn, |
424 | void *pfnparam); |
5c72ca61 |
425 | int dsa_generate(struct dss_key *key, int bits, progfn_t pfn, |
426 | void *pfnparam); |
427 | Bignum primegen(int bits, int modulus, int residue, Bignum factor, |
428 | int phase, progfn_t pfn, void *pfnparam); |
4ba9b64b |
429 | |
d74d141c |
430 | |
4ba9b64b |
431 | /* |
432 | * zlib compression. |
433 | */ |
5366aed8 |
434 | void *zlib_compress_init(void); |
435 | void zlib_compress_cleanup(void *); |
436 | void *zlib_decompress_init(void); |
437 | void zlib_decompress_cleanup(void *); |
438 | int zlib_compress_block(void *, unsigned char *block, int len, |
4ba9b64b |
439 | unsigned char **outblock, int *outlen); |
5366aed8 |
440 | int zlib_decompress_block(void *, unsigned char *block, int len, |
4ba9b64b |
441 | unsigned char **outblock, int *outlen); |
1983e559 |
442 | |
443 | /* |
444 | * SSH1 agent messages. |
445 | */ |
446 | #define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1 |
447 | #define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2 |
448 | #define SSH1_AGENTC_RSA_CHALLENGE 3 |
449 | #define SSH1_AGENT_RSA_RESPONSE 4 |
450 | #define SSH1_AGENTC_ADD_RSA_IDENTITY 7 |
451 | #define SSH1_AGENTC_REMOVE_RSA_IDENTITY 8 |
32874aea |
452 | #define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */ |
1983e559 |
453 | |
454 | /* |
455 | * Messages common to SSH1 and OpenSSH's SSH2. |
456 | */ |
457 | #define SSH_AGENT_FAILURE 5 |
458 | #define SSH_AGENT_SUCCESS 6 |
459 | |
460 | /* |
461 | * OpenSSH's SSH2 agent messages. |
462 | */ |
463 | #define SSH2_AGENTC_REQUEST_IDENTITIES 11 |
464 | #define SSH2_AGENT_IDENTITIES_ANSWER 12 |
465 | #define SSH2_AGENTC_SIGN_REQUEST 13 |
466 | #define SSH2_AGENT_SIGN_RESPONSE 14 |
467 | #define SSH2_AGENTC_ADD_IDENTITY 17 |
468 | #define SSH2_AGENTC_REMOVE_IDENTITY 18 |
469 | #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19 |
7bedb13c |
470 | |
471 | /* |
472 | * Need this to warn about support for the original SSH2 keyfile |
473 | * format. |
474 | */ |
475 | void old_keyfile_warning(void); |