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1 | #include <string.h> |
2 | |
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3 | #define SSH_CIPHER_IDEA 1 |
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4 | #define SSH_CIPHER_DES 2 |
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5 | #define SSH_CIPHER_3DES 3 |
6 | #define SSH_CIPHER_BLOWFISH 6 |
7 | |
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8 | struct RSAKey { |
9 | int bits; |
10 | int bytes; |
11 | void *modulus; |
12 | void *exponent; |
13 | }; |
14 | |
15 | int makekey(unsigned char *data, struct RSAKey *result, |
16 | unsigned char **keystr); |
17 | void rsaencrypt(unsigned char *data, int length, struct RSAKey *key); |
18 | int rsastr_len(struct RSAKey *key); |
19 | void rsastr_fmt(char *str, struct RSAKey *key); |
20 | |
21 | typedef unsigned int word32; |
22 | typedef unsigned int uint32; |
23 | |
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24 | unsigned long crc32(const void *s, size_t len); |
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25 | |
26 | struct MD5Context { |
27 | uint32 buf[4]; |
28 | uint32 bits[2]; |
29 | unsigned char in[64]; |
30 | }; |
31 | |
32 | void MD5Init(struct MD5Context *context); |
33 | void MD5Update(struct MD5Context *context, unsigned char const *buf, |
34 | unsigned len); |
35 | void MD5Final(unsigned char digest[16], struct MD5Context *context); |
36 | |
37 | struct ssh_cipher { |
38 | void (*sesskey)(unsigned char *key); |
39 | void (*encrypt)(unsigned char *blk, int len); |
40 | void (*decrypt)(unsigned char *blk, int len); |
41 | }; |
42 | |
43 | void SHATransform(word32 *digest, word32 *data); |
44 | |
45 | int random_byte(void); |
46 | void random_add_noise(void *noise, int length); |
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47 | |
48 | void logevent (char *); |