| 1 | #include <string.h> |
| 2 | |
| 3 | #define SSH_CIPHER_IDEA 1 |
| 4 | #define SSH_CIPHER_DES 2 |
| 5 | #define SSH_CIPHER_3DES 3 |
| 6 | #define SSH_CIPHER_BLOWFISH 6 |
| 7 | |
| 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 | |
| 24 | unsigned long crc32(const unsigned char *s, unsigned int len); |
| 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); |
| 47 | |
| 48 | void logevent (char *); |