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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; |
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11 | #ifdef MSCRYPTOAPI |
12 | unsigned long exponent; |
13 | unsigned char *modulus; |
14 | #else |
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15 | void *modulus; |
16 | void *exponent; |
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17 | #endif |
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18 | }; |
19 | |
20 | int makekey(unsigned char *data, struct RSAKey *result, |
21 | unsigned char **keystr); |
22 | void rsaencrypt(unsigned char *data, int length, struct RSAKey *key); |
23 | int rsastr_len(struct RSAKey *key); |
24 | void rsastr_fmt(char *str, struct RSAKey *key); |
25 | |
26 | typedef unsigned int word32; |
27 | typedef unsigned int uint32; |
28 | |
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29 | unsigned long crc32(const void *s, size_t len); |
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30 | |
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31 | typedef struct { |
32 | uint32 h[4]; |
33 | } MD5_Core_State; |
34 | |
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35 | struct MD5Context { |
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36 | #ifdef MSCRYPTOAPI |
37 | unsigned long hHash; |
38 | #else |
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39 | MD5_Core_State core; |
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40 | unsigned char block[64]; |
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41 | int blkused; |
42 | uint32 lenhi, lenlo; |
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43 | #endif |
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44 | }; |
45 | |
46 | void MD5Init(struct MD5Context *context); |
47 | void MD5Update(struct MD5Context *context, unsigned char const *buf, |
48 | unsigned len); |
49 | void MD5Final(unsigned char digest[16], struct MD5Context *context); |
50 | |
51 | struct ssh_cipher { |
52 | void (*sesskey)(unsigned char *key); |
53 | void (*encrypt)(unsigned char *blk, int len); |
54 | void (*decrypt)(unsigned char *blk, int len); |
55 | }; |
56 | |
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57 | #ifndef MSCRYPTOAPI |
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58 | void SHATransform(word32 *digest, word32 *data); |
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59 | #endif |
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60 | |
61 | int random_byte(void); |
62 | void random_add_noise(void *noise, int length); |
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63 | |
64 | void logevent (char *); |