data integrity check needed

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shishi_verify

shishi_verify(3)						      shishi							  shishi_verify(3)

NAME

       shishi_verify - API function

SYNOPSIS

       #include <shishi.h>

       int shishi_verify(Shishi * handle, Shishi_key * key, int keyusage, int cksumtype, const char * in, size_t inlen, const char * cksum, size_t
       cksumlen);

ARGUMENTS

       Shishi * handle
		   shishi handle as allocated by shishi_init().

       Shishi_key * key
		   key to verify checksum with.

       int keyusage
		   integer specifying what this key is used for.

       int cksumtype
		   the checksum algorithm to use.

       const char * in
		   input array with data that was integrity protected.

       size_t inlen
		   size of input array with data that was integrity protected.

       const char * cksum
		   input array with alleged checksum of data.

       size_t cksumlen
		   size of input array with alleged checksum of data.

DESCRIPTION

       Verify checksum of data using key, possibly altered by supplied key usage.  If key usage is 0, no key derivation is used.

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_verify(3)

Shell Programming and Scripting