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 #ifdef MSCRYPTOAPI
  12     unsigned long exponent;
  13     unsigned char *modulus;
  14 #else
  15     void *modulus;
  16     void *exponent;
  17 #endif
  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
  29 unsigned long crc32(const void *s, size_t len);
  30
  31 typedef struct {
  32     uint32 h[4];
  33 } MD5_Core_State;
  34
  35 struct MD5Context {
  36 #ifdef MSCRYPTOAPI
  37     unsigned long hHash;
  38 #else
  39     MD5_Core_State core;
  40     unsigned char block[64];
  41     int blkused;
  42     uint32 lenhi, lenlo;
  43 #endif
  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
  57 #ifndef MSCRYPTOAPI
  58 void SHATransform(word32 *digest, word32 *data);
  59 #endif
  60
  61 int random_byte(void);
  62 void random_add_noise(void *noise, int length);
  63
  64 void logevent (char *);