crypto.h.txt

当今

发信人: iceman ( 令狐小冲), 信区: Security 
标  题: crypto.h 
发信站: 武汉白云黄鹤站 (Fri Sep  4 11:26:25 1998) , 站内信件 
  
#ifndef _crypto_h_ 
  
#  define _crypto_h_ 
  
/* crypto.h - C headers for crypto.c  */ 
  
  
  
#include "mpilib.h" 
  
  
  
/* Used to determine if nesting should be allowed */ 
  
boolean legal_ctb(byte ctb); 
  
  
  
/* Write an RSA-signed message digest of input file to specified output 
  
   file, and append input file to output file */ 
  
int signfile(boolean nested, boolean separate_signature, char *mcguffin, 
  
                         char *infile, char *outfile, char lit_mode, char *liter 
lfile); 
  
  
  
/* Reads the first count bytes from infile into header */ 
  
int get_header_info_from_file(char *infile, byte *header, int count); 
  
  
  
/* RSA-encrypt a file */ 
  
int encryptfile(char *mcguffin, char *infile, char *outfile, 
  
        boolean attempt_compression); 
  
  
  
/* Encrypt file with IPES/IDEA cipher */ 
  
int idea_encryptfile(char *infile, char *outfile, 
  
        boolean attempt_compression); 
  
  
  
/* Prepend a CTB_LITERAL prefix to a file */ 
  
int make_literal(char *infile, char *outfile, char lit_mode, char *literalfile); 
  
  
  
/* Decrypt a file (RSA or IPES/IDEA) */ 
  
int decryptfile(char *infile, char *outfile); 
  
  
  
/* Check signature in infile for validity.  Strip off the signature and 
  
   write the remaining packet to outfile */ 
  
int check_signaturefile(char *infile, char *outfile, boolean strip_signature, 
  
                        char *preserved_name); 
  
  
  
/* Decrypt file with IPES/IDEA only */ 
  
int idea_decryptfile(char *infile, char *outfile); 
  
  
  
/* Decompress a file with ZIP algorithm */ 
  
int decompress_file(char *infile, char *outfile); 
  
  
  
/* Strip off literal prefix from infile, copying to outfile */ 
  
int strip_literal(char *infile, char *outfile, char *preserved_name, 
  
                char *lit_mode); 
  
  
  
/* Convert C <-> Quiche strings */ 
  
void CToPascal(char *s); 
  
void PascalToC( char *s ); 
  
  
  
/* Reads IPES/IDEA random key and random number seed from file, cranks the 
  
   the seed through the idearand strong pseudorandom number generator, and 
  
   writes them back out */ 
  
int strong_pseudorandom(byte *buf, int bufsize); 
  
  
  
/*      Return date string, given pointer to 32-bit timestamp */ 
  
char *cdate(word32 *tstamp); 
  
  
  
/*      Return date and time string, given pointer to 32-bit timestamp */ 
  
char *ctdate(word32 *tstamp); 
  
  
  
/* Return current timestamp as a byte array and as a 32-bit word */ 
  
word32 get_timestamp(word32 *timestamp); 
  
  
  
/*      Returns the length of a packet according to the CTB and the length field 
*/ 
  
word32 getpastlength(byte ctb, FILE *f); 
  
  
  
/* Write a CTB with the appropriate length field */ 
  
void write_ctb_len (FILE *f, byte ctb_type, word32 length, boolean big); 
  
  
  
/* Print an error message and return nonzero if val != checkval */ 
  
int version_error (int val, int checkval); 
  
  
  
int check_key_sig(FILE *fkey, long fpkey, int keypktlen, char *keyuserid, 
  
         FILE *fsig, long fpsig, char *keyfile, char *siguserid, byte *xtimestam 
, 
  
         byte *sigclass); 
  
  
  
int squish_file(char *infile, char *outfile); 
  
  
  
int signkey(char *keyguffin, char *sigguffin, char *keyfile); 
  
  
  
/* Ytalk Diffie-Hellman functions */ 
  
extern int create_getDHpublic(byte* ptr); 
  
extern int getDHpublic(byte* ptr); 
  
extern int createDHkey(); 

  
extern void init_crypto(); 
  
extern void DHprepare(); 
  
extern int computeDHagreed_key(unit* key, byte** ptr); 
  
extern void DHburn(); 
  
  
  
#endif /* _crypto_h_ */ 
  
  
-- 
              NT? 还行，就是满身的的补丁让人心有余悸。 
              Solaris?不错，就是动不动要License. 
              Linux?好样的！