08-28-2013
Quote:
Originally Posted by
bakunin
...provided that the file is not longer than the maximum line length.
If you look closely, you'll find, that the working string S will never be longer than the longest line of the input file plus 63. The script adds one line to S and then writes 64 character portions to the output file until S is shorter than 64 characters.
The easiest way would be to use the
base64 utility from the GNU coreutils, because it does not care about the proper 64-character-linelength, but it is not available everywhere.
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LEARN ABOUT DEBIAN
shishi_des
shishi_des(3) shishi shishi_des(3)
NAME
shishi_des - API function
SYNOPSIS
#include <shishi.h>
int shishi_des(Shishi * handle, int decryptp, const char key[8], const char iv[8], char * ivout[8], const char * in, size_t inlen, char **
out);
ARGUMENTS
Shishi * handle
shishi handle as allocated by shishi_init().
int decryptp
0 to indicate encryption, non-0 to indicate decryption.
const char key[8]
const char iv[8]
char * ivout[8]
const char * in
input character array of data to encrypt/decrypt.
size_t inlen
length of input character array of data to encrypt/decrypt.
char ** out newly allocated character array with encrypted/decrypted data.
DESCRIPTION
Encrypt or decrypt data (depending on decryptp) using DES in CBC mode. The out buffer must be deallocated by the caller.
RETURN VALUE
Returns SHISHI_OK iff successful.
REPORTING BUGS
Report bugs to <bug-shishi@gnu.org>.
COPYRIGHT
Copyright (C) 2002-2010 Simon Josefsson.
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
SEE ALSO
The full documentation for shishi is maintained as a Texinfo manual. If the info and shishi programs are properly installed at your site,
the command
info shishi
should give you access to the complete manual.
shishi 1.0.1 shishi_des(3)