df3c4460 |
1 | #include <stdio.h> |
37508af4 |
2 | #include <string.h> |
3 | |
dcbde236 |
4 | #include "puttymem.h" |
d74d141c |
5 | #include "network.h" |
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6 | #include "int64.h" |
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7 | #include "misc.h" |
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8 | |
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9 | struct ssh_channel; |
10 | |
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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 | |
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22 | #define SSH_CIPHER_IDEA 1 |
9697bfd2 |
23 | #define SSH_CIPHER_DES 2 |
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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 | |
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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, |
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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); |
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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); |
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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); |
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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); |
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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); |
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84 | |
48672163 |
85 | typedef struct { |
86 | uint32 h[4]; |
87 | } MD5_Core_State; |
88 | |
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89 | struct MD5Context { |
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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 |
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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); |
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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); |
447f7a7b |
108 | void hmacmd5_key(void *handle, void const *key, int len); |
f33ba69e |
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); |
062e5811 |
125 | typedef struct { |
126 | uint32 h[8]; |
127 | unsigned char block[64]; |
128 | int blkused; |
129 | uint32 lenhi, lenlo; |
130 | } SHA256_State; |
131 | void SHA256_Init(SHA256_State * s); |
132 | void SHA256_Bytes(SHA256_State * s, const void *p, int len); |
133 | void SHA256_Final(SHA256_State * s, unsigned char *output); |
134 | void SHA256_Simple(const void *p, int len, unsigned char *output); |
5c72ca61 |
135 | |
136 | typedef struct { |
137 | uint64 h[8]; |
138 | unsigned char block[128]; |
139 | int blkused; |
140 | uint32 len[4]; |
141 | } SHA512_State; |
142 | void SHA512_Init(SHA512_State * s); |
143 | void SHA512_Bytes(SHA512_State * s, const void *p, int len); |
144 | void SHA512_Final(SHA512_State * s, unsigned char *output); |
145 | void SHA512_Simple(const void *p, int len, unsigned char *output); |
146 | |
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147 | struct ssh_cipher { |
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148 | void *(*make_context)(void); |
149 | void (*free_context)(void *); |
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150 | void (*sesskey) (void *, unsigned char *key); /* for SSH-1 */ |
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151 | void (*encrypt) (void *, unsigned char *blk, int len); |
152 | void (*decrypt) (void *, unsigned char *blk, int len); |
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153 | int blksize; |
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154 | char *text_name; |
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155 | }; |
156 | |
157 | struct ssh2_cipher { |
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158 | void *(*make_context)(void); |
159 | void (*free_context)(void *); |
2e85c969 |
160 | void (*setiv) (void *, unsigned char *key); /* for SSH-2 */ |
161 | void (*setkey) (void *, unsigned char *key);/* for SSH-2 */ |
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162 | void (*encrypt) (void *, unsigned char *blk, int len); |
163 | void (*decrypt) (void *, unsigned char *blk, int len); |
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164 | char *name; |
165 | int blksize; |
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166 | int keylen; |
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167 | unsigned int flags; |
168 | #define SSH_CIPHER_IS_CBC 1 |
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169 | char *text_name; |
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170 | }; |
171 | |
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172 | struct ssh2_ciphers { |
173 | int nciphers; |
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174 | const struct ssh2_cipher *const *list; |
0a3f1d48 |
175 | }; |
176 | |
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177 | struct ssh_mac { |
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178 | void *(*make_context)(void); |
179 | void (*free_context)(void *); |
180 | void (*setkey) (void *, unsigned char *key); |
181 | void (*generate) (void *, unsigned char *blk, int len, unsigned long seq); |
182 | int (*verify) (void *, unsigned char *blk, int len, unsigned long seq); |
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183 | char *name; |
184 | int len; |
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185 | char *text_name; |
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186 | }; |
187 | |
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188 | struct ssh_hash { |
189 | void *(*init)(void); /* also allocates context */ |
190 | void (*bytes)(void *, void *, int); |
191 | void (*final)(void *, unsigned char *); /* also frees context */ |
192 | int hlen; /* output length in bytes */ |
193 | }; |
194 | |
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195 | struct ssh_kex { |
7cca0d81 |
196 | /* |
197 | * Plugging in another KEX algorithm requires structural chaos, |
198 | * so it's hard to abstract them into nice little structures |
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199 | * like this. Fortunately, all our KEXes are basically |
200 | * Diffie-Hellman at the moment, so in this structure I simply |
201 | * parametrise the DH exchange a bit. |
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202 | */ |
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203 | char *name, *groupname; |
204 | const unsigned char *pdata, *gdata;/* NULL means use group exchange */ |
205 | int plen, glen; |
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206 | const struct ssh_hash *hash; |
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207 | }; |
208 | |
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209 | struct ssh_kexes { |
210 | int nkexes; |
211 | const struct ssh_kex *const *list; |
212 | }; |
213 | |
e055a386 |
214 | struct ssh_signkey { |
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215 | void *(*newkey) (char *data, int len); |
216 | void (*freekey) (void *key); |
217 | char *(*fmtkey) (void *key); |
218 | unsigned char *(*public_blob) (void *key, int *len); |
219 | unsigned char *(*private_blob) (void *key, int *len); |
220 | void *(*createkey) (unsigned char *pub_blob, int pub_len, |
221 | unsigned char *priv_blob, int priv_len); |
222 | void *(*openssh_createkey) (unsigned char **blob, int *len); |
223 | int (*openssh_fmtkey) (void *key, unsigned char *blob, int len); |
47a6b94c |
224 | int (*pubkey_bits) (void *blob, int len); |
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225 | char *(*fingerprint) (void *key); |
226 | int (*verifysig) (void *key, char *sig, int siglen, |
227 | char *data, int datalen); |
228 | unsigned char *(*sign) (void *key, char *data, int datalen, |
229 | int *siglen); |
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230 | char *name; |
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231 | char *keytype; /* for host key cache */ |
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232 | }; |
233 | |
234 | struct ssh_compress { |
235 | char *name; |
5366aed8 |
236 | void *(*compress_init) (void); |
237 | void (*compress_cleanup) (void *); |
238 | int (*compress) (void *, unsigned char *block, int len, |
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239 | unsigned char **outblock, int *outlen); |
5366aed8 |
240 | void *(*decompress_init) (void); |
241 | void (*decompress_cleanup) (void *); |
242 | int (*decompress) (void *, unsigned char *block, int len, |
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243 | unsigned char **outblock, int *outlen); |
5366aed8 |
244 | int (*disable_compression) (void *); |
245 | char *text_name; |
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246 | }; |
247 | |
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248 | struct ssh2_userkey { |
249 | const struct ssh_signkey *alg; /* the key algorithm */ |
250 | void *data; /* the key data */ |
251 | char *comment; /* the key comment */ |
252 | }; |
253 | |
254 | extern const struct ssh_cipher ssh_3des; |
255 | extern const struct ssh_cipher ssh_des; |
256 | extern const struct ssh_cipher ssh_blowfish_ssh1; |
257 | extern const struct ssh2_ciphers ssh2_3des; |
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258 | extern const struct ssh2_ciphers ssh2_des; |
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259 | extern const struct ssh2_ciphers ssh2_aes; |
260 | extern const struct ssh2_ciphers ssh2_blowfish; |
a2add208 |
261 | extern const struct ssh2_ciphers ssh2_arcfour; |
b672f405 |
262 | extern const struct ssh_hash ssh_sha1; |
062e5811 |
263 | extern const struct ssh_hash ssh_sha256; |
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264 | extern const struct ssh_kexes ssh_diffiehellman_group1; |
265 | extern const struct ssh_kexes ssh_diffiehellman_group14; |
266 | extern const struct ssh_kexes ssh_diffiehellman_gex; |
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267 | extern const struct ssh_signkey ssh_dss; |
268 | extern const struct ssh_signkey ssh_rsa; |
1993f323 |
269 | extern const struct ssh_mac ssh_hmac_md5; |
270 | extern const struct ssh_mac ssh_hmac_sha1; |
271 | extern const struct ssh_mac ssh_hmac_sha1_buggy; |
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272 | extern const struct ssh_mac ssh_hmac_sha1_96; |
273 | extern const struct ssh_mac ssh_hmac_sha1_96_buggy; |
1993f323 |
274 | |
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275 | |
900a4ee6 |
276 | /* |
277 | * PuTTY version number formatted as an SSH version string. |
278 | */ |
279 | extern char sshver[]; |
280 | |
fd5e5847 |
281 | /* |
282 | * Gross hack: pscp will try to start SFTP but fall back to scp1 if |
283 | * that fails. This variable is the means by which scp.c can reach |
284 | * into the SSH code and find out which one it got. |
285 | */ |
51470298 |
286 | extern int ssh_fallback_cmd(void *handle); |
fd5e5847 |
287 | |
8f203108 |
288 | #ifndef MSCRYPTOAPI |
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289 | void SHATransform(word32 * digest, word32 * data); |
8f203108 |
290 | #endif |
374330e2 |
291 | |
292 | int random_byte(void); |
293 | void random_add_noise(void *noise, int length); |
6e522441 |
294 | void random_add_heavynoise(void *noise, int length); |
c5e9c988 |
295 | |
cbe2d68f |
296 | void logevent(void *, const char *); |
51470298 |
297 | |
298 | /* Allocate and register a new channel for port forwarding */ |
299 | void *new_sock_channel(void *handle, Socket s); |
6b78788a |
300 | void ssh_send_port_open(void *channel, char *hostname, int port, char *org); |
e5574168 |
301 | |
322d09a8 |
302 | /* Exports from portfwd.c */ |
cbe2d68f |
303 | extern const char *pfd_newconnect(Socket * s, char *hostname, int port, |
05581745 |
304 | void *c, const Config *cfg, |
305 | int addressfamily); |
820ebe3b |
306 | /* desthost == NULL indicates dynamic (SOCKS) port forwarding */ |
cbe2d68f |
307 | extern const char *pfd_addforward(char *desthost, int destport, char *srcaddr, |
308 | int port, void *backhandle, |
05581745 |
309 | const Config *cfg, void **sockdata, |
310 | int address_family); |
322d09a8 |
311 | extern void pfd_close(Socket s); |
fda2feb1 |
312 | extern void pfd_terminate(void *sockdata); |
322d09a8 |
313 | extern int pfd_send(Socket s, char *data, int len); |
314 | extern void pfd_confirm(Socket s); |
315 | extern void pfd_unthrottle(Socket s); |
316 | extern void pfd_override_throttle(Socket s, int enable); |
317 | |
318 | /* Exports from x11fwd.c */ |
cbe2d68f |
319 | extern const char *x11_init(Socket *, char *, void *, void *, const char *, |
320 | int, const Config *); |
322d09a8 |
321 | extern void x11_close(Socket); |
322 | extern int x11_send(Socket, char *, int); |
b3ebaa28 |
323 | extern void *x11_invent_auth(char *, int, char *, int, int); |
fabd1805 |
324 | extern void x11_free_auth(void *); |
322d09a8 |
325 | extern void x11_unthrottle(Socket s); |
326 | extern void x11_override_throttle(Socket s, int enable); |
327 | extern int x11_get_screen_number(char *display); |
e0e7dff8 |
328 | void x11_get_real_auth(void *authv, char *display); |
fc0f17db |
329 | char *x11_display(const char *display); |
322d09a8 |
330 | |
fc0f17db |
331 | /* Platform-dependent X11 functions */ |
9bee6826 |
332 | extern void platform_get_x11_auth(char *display, int *proto, |
333 | unsigned char *data, int *datalen); |
fc0f17db |
334 | extern const char platform_x11_best_transport[]; |
335 | /* best X11 hostname for this platform if none specified */ |
336 | SockAddr platform_get_x11_unix_address(int displaynum, char **canonicalname); |
337 | /* make up a SockAddr naming the address for displaynum */ |
46ed7b64 |
338 | char *platform_get_x_display(void); |
339 | /* allocated local X display string, if any */ |
9bee6826 |
340 | |
7cca0d81 |
341 | Bignum copybn(Bignum b); |
3709bfe9 |
342 | Bignum bn_power_2(int n); |
343 | void bn_restore_invariant(Bignum b); |
5c72ca61 |
344 | Bignum bignum_from_long(unsigned long n); |
e5574168 |
345 | void freebn(Bignum b); |
59600f67 |
346 | Bignum modpow(Bignum base, Bignum exp, Bignum mod); |
347 | Bignum modmul(Bignum a, Bignum b, Bignum mod); |
7cca0d81 |
348 | void decbn(Bignum n); |
349 | extern Bignum Zero, One; |
27cd7fc2 |
350 | Bignum bignum_from_bytes(const unsigned char *data, int nbytes); |
0016d70b |
351 | int ssh1_read_bignum(const unsigned char *data, int len, Bignum * result); |
ddecd643 |
352 | int bignum_bitcount(Bignum bn); |
5c58ad2d |
353 | int ssh1_bignum_length(Bignum bn); |
260f3dec |
354 | int ssh2_bignum_length(Bignum bn); |
5c58ad2d |
355 | int bignum_byte(Bignum bn, int i); |
9400cf6f |
356 | int bignum_bit(Bignum bn, int i); |
357 | void bignum_set_bit(Bignum bn, int i, int value); |
5c58ad2d |
358 | int ssh1_write_bignum(void *data, Bignum bn); |
9400cf6f |
359 | Bignum biggcd(Bignum a, Bignum b); |
360 | unsigned short bignum_mod_short(Bignum number, unsigned short modulus); |
361 | Bignum bignum_add_long(Bignum number, unsigned long addend); |
362 | Bignum bigmul(Bignum a, Bignum b); |
5c72ca61 |
363 | Bignum bigmuladd(Bignum a, Bignum b, Bignum addend); |
364 | Bignum bigdiv(Bignum a, Bignum b); |
365 | Bignum bigmod(Bignum a, Bignum b); |
9400cf6f |
366 | Bignum modinv(Bignum number, Bignum modulus); |
3709bfe9 |
367 | Bignum bignum_bitmask(Bignum number); |
9400cf6f |
368 | Bignum bignum_rshift(Bignum number, int shift); |
8c3cd914 |
369 | int bignum_cmp(Bignum a, Bignum b); |
6e522441 |
370 | char *bignum_decimal(Bignum x); |
e5574168 |
371 | |
a3412f52 |
372 | #ifdef DEBUG |
373 | void diagbn(char *prefix, Bignum md); |
374 | #endif |
375 | |
d1aaf71d |
376 | void *dh_setup_group(const struct ssh_kex *kex); |
377 | void *dh_setup_gex(Bignum pval, Bignum gval); |
27cd7fc2 |
378 | void dh_cleanup(void *); |
379 | Bignum dh_create_e(void *, int nbits); |
380 | Bignum dh_find_K(void *, Bignum f); |
7cca0d81 |
381 | |
9a30e26b |
382 | int loadrsakey(const Filename *filename, struct RSAKey *key, |
222d54dc |
383 | char *passphrase, const char **errorstr); |
9a30e26b |
384 | int rsakey_encrypted(const Filename *filename, char **comment); |
222d54dc |
385 | int rsakey_pubblob(const Filename *filename, void **blob, int *bloblen, |
4bcf919e |
386 | char **commentptr, const char **errorstr); |
7cca0d81 |
387 | |
9a30e26b |
388 | int saversakey(const Filename *filename, struct RSAKey *key, char *passphrase); |
65a22376 |
389 | |
df3c4460 |
390 | extern int base64_decode_atom(char *atom, unsigned char *out); |
391 | extern int base64_lines(int datalen); |
392 | extern void base64_encode_atom(unsigned char *data, int n, char *out); |
393 | extern void base64_encode(FILE *fp, unsigned char *data, int datalen, int cpl); |
65a22376 |
394 | |
395 | /* ssh2_load_userkey can return this as an error */ |
396 | extern struct ssh2_userkey ssh2_wrong_passphrase; |
397 | #define SSH2_WRONG_PASSPHRASE (&ssh2_wrong_passphrase) |
398 | |
9a30e26b |
399 | int ssh2_userkey_encrypted(const Filename *filename, char **comment); |
400 | struct ssh2_userkey *ssh2_load_userkey(const Filename *filename, |
222d54dc |
401 | char *passphrase, const char **errorstr); |
9a30e26b |
402 | char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm, |
06897bd7 |
403 | int *pub_blob_len, char **commentptr, |
404 | const char **errorstr); |
9a30e26b |
405 | int ssh2_save_userkey(const Filename *filename, struct ssh2_userkey *key, |
32874aea |
406 | char *passphrase); |
47a6b94c |
407 | const struct ssh_signkey *find_pubkey_alg(const char *name); |
65a22376 |
408 | |
231ee168 |
409 | enum { |
410 | SSH_KEYTYPE_UNOPENABLE, |
411 | SSH_KEYTYPE_UNKNOWN, |
412 | SSH_KEYTYPE_SSH1, SSH_KEYTYPE_SSH2, |
413 | SSH_KEYTYPE_OPENSSH, SSH_KEYTYPE_SSHCOM |
414 | }; |
9a30e26b |
415 | int key_type(const Filename *filename); |
231ee168 |
416 | char *key_type_to_str(int type); |
6e522441 |
417 | |
9dda6459 |
418 | int import_possible(int type); |
419 | int import_target_type(int type); |
9a30e26b |
420 | int import_encrypted(const Filename *filename, int type, char **comment); |
421 | int import_ssh1(const Filename *filename, int type, |
1e87cce5 |
422 | struct RSAKey *key, char *passphrase, const char **errmsg_p); |
9a30e26b |
423 | struct ssh2_userkey *import_ssh2(const Filename *filename, int type, |
1e87cce5 |
424 | char *passphrase, const char **errmsg_p); |
9a30e26b |
425 | int export_ssh1(const Filename *filename, int type, |
426 | struct RSAKey *key, char *passphrase); |
427 | int export_ssh2(const Filename *filename, int type, |
4801c01c |
428 | struct ssh2_userkey *key, char *passphrase); |
9dda6459 |
429 | |
65a22376 |
430 | void des3_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len); |
431 | void des3_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len); |
9dda6459 |
432 | void des3_decrypt_pubkey_ossh(unsigned char *key, unsigned char *iv, |
433 | unsigned char *blk, int len); |
434 | void des3_encrypt_pubkey_ossh(unsigned char *key, unsigned char *iv, |
435 | unsigned char *blk, int len); |
32874aea |
436 | void aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk, |
437 | int len); |
438 | void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk, |
439 | int len); |
9400cf6f |
440 | |
2f92b717 |
441 | void des_encrypt_xdmauth(unsigned char *key, unsigned char *blk, int len); |
b3ebaa28 |
442 | void des_decrypt_xdmauth(unsigned char *key, unsigned char *blk, int len); |
2f92b717 |
443 | |
9400cf6f |
444 | /* |
445 | * For progress updates in the key generation utility. |
446 | */ |
7c7f6893 |
447 | #define PROGFN_INITIALISE 1 |
448 | #define PROGFN_LIN_PHASE 2 |
449 | #define PROGFN_EXP_PHASE 3 |
450 | #define PROGFN_PHASE_EXTENT 4 |
451 | #define PROGFN_READY 5 |
452 | #define PROGFN_PROGRESS 6 |
5c72ca61 |
453 | typedef void (*progfn_t) (void *param, int action, int phase, int progress); |
9400cf6f |
454 | |
32874aea |
455 | int rsa_generate(struct RSAKey *key, int bits, progfn_t pfn, |
456 | void *pfnparam); |
5c72ca61 |
457 | int dsa_generate(struct dss_key *key, int bits, progfn_t pfn, |
458 | void *pfnparam); |
459 | Bignum primegen(int bits, int modulus, int residue, Bignum factor, |
460 | int phase, progfn_t pfn, void *pfnparam); |
4ba9b64b |
461 | |
d74d141c |
462 | |
4ba9b64b |
463 | /* |
464 | * zlib compression. |
465 | */ |
5366aed8 |
466 | void *zlib_compress_init(void); |
467 | void zlib_compress_cleanup(void *); |
468 | void *zlib_decompress_init(void); |
469 | void zlib_decompress_cleanup(void *); |
470 | int zlib_compress_block(void *, unsigned char *block, int len, |
4ba9b64b |
471 | unsigned char **outblock, int *outlen); |
5366aed8 |
472 | int zlib_decompress_block(void *, unsigned char *block, int len, |
4ba9b64b |
473 | unsigned char **outblock, int *outlen); |
1983e559 |
474 | |
475 | /* |
2e85c969 |
476 | * SSH-1 agent messages. |
1983e559 |
477 | */ |
478 | #define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1 |
479 | #define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2 |
480 | #define SSH1_AGENTC_RSA_CHALLENGE 3 |
481 | #define SSH1_AGENT_RSA_RESPONSE 4 |
482 | #define SSH1_AGENTC_ADD_RSA_IDENTITY 7 |
483 | #define SSH1_AGENTC_REMOVE_RSA_IDENTITY 8 |
32874aea |
484 | #define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */ |
1983e559 |
485 | |
486 | /* |
2e85c969 |
487 | * Messages common to SSH-1 and OpenSSH's SSH-2. |
1983e559 |
488 | */ |
489 | #define SSH_AGENT_FAILURE 5 |
490 | #define SSH_AGENT_SUCCESS 6 |
491 | |
492 | /* |
2e85c969 |
493 | * OpenSSH's SSH-2 agent messages. |
1983e559 |
494 | */ |
495 | #define SSH2_AGENTC_REQUEST_IDENTITIES 11 |
496 | #define SSH2_AGENT_IDENTITIES_ANSWER 12 |
497 | #define SSH2_AGENTC_SIGN_REQUEST 13 |
498 | #define SSH2_AGENT_SIGN_RESPONSE 14 |
499 | #define SSH2_AGENTC_ADD_IDENTITY 17 |
500 | #define SSH2_AGENTC_REMOVE_IDENTITY 18 |
501 | #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19 |
7bedb13c |
502 | |
503 | /* |
2e85c969 |
504 | * Need this to warn about support for the original SSH-2 keyfile |
7bedb13c |
505 | * format. |
506 | */ |
507 | void old_keyfile_warning(void); |