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_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);