crypt.h

   1 /*
   2  * Copyright (C) 2005-2009 Andre Noll <maan@systemlinux.org>
   3  *
   4  * Licensed under the GPL v2. For licencing details see COPYING.
   5  */
   6
   7 /** \file crypt.h prototypes for the RSA crypt functions */
   8
   9 #include <openssl/pem.h>
  10 int para_decrypt_challenge(char *key_file, long unsigned *challenge_nr,
  11         unsigned char *buf, unsigned rsa_inlen);
  12 int para_encrypt_challenge(RSA* rsa, long unsigned challenge_nr,
  13         unsigned char *outbuf);
  14 int para_encrypt_buffer(RSA* rsa, unsigned char *inbuf, unsigned len,
  15         unsigned char *outbuf);
  16 int para_decrypt_buffer(char *key_file, unsigned char *outbuf, unsigned char *inbuf,
  17         unsigned rsa_inlen);
  18 int get_rsa_key(char *key_file, RSA **rsa, int private);
  19
  20 void rsa_free(RSA *rsa);
  21 void get_random_bytes_or_die(unsigned char *buf, int num);
  22 void init_random_seed_or_die(void);
  23
  24 struct rc4_context {
  25         int fd;
  26         RC4_KEY recv_key;
  27         RC4_KEY send_key;
  28 };
  29 int rc4_send_bin_buffer(struct rc4_context *rc4c, const char *buf, size_t len);
  30 int rc4_send_buffer(struct rc4_context *rc4c, const char *buf);
  31 __printf_2_3 int rc4_send_va_buffer(struct rc4_context *rc4c, const char *fmt, ...);
  32 int rc4_recv_bin_buffer(struct rc4_context *rcc, char *buf, size_t size);
  33 int rc4_recv_buffer(struct rc4_context *rcc, char *buf, size_t size);
  34
  35 /** \cond used to distinguish between loading of private/public key */
  36 #define LOAD_PUBLIC_KEY 0
  37 #define LOAD_PRIVATE_KEY 1
  38 /** \endcond **/