git.distorted.org.uk Git - u/mdw/putty/blob - ssh.h

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