NAME

       gsasl_hmac_sha1 - API function

SYNOPSIS

       #include <gsasl.h>

       int gsasl_hmac_sha1(const char * key, size_t keylen, const char * in, size_t inlen, char *
       [] outhash);

ARGUMENTS

       const char * key
                   input character array with key to use.

       size_t keylen
                   length of input character array with key to use.

       const char * in
                   input character array of data to hash.

       size_t inlen
                   length of input character array of data to hash.

       char * [] outhash
                   newly allocated 20-byte character array with keyed hash of data.

DESCRIPTION

       Compute keyed checksum of data using HMAC-SHA1.  The  outhash buffer must  be  deallocated
       by the caller.

       Return value: Returns GSASL_OK iff successful.

SINCE

       1.3

DEPRECATED

       Use a crypto library.

REPORTING BUGS

       Report bugs to <bug-gsasl@gnu.org>.
       General guidelines for reporting bugs: http://www.gnu.org/gethelp/
       GNU SASL home page: http://www.gnu.org/software/gsasl/

COPYRIGHT

       Copyright © 2002-2021 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 gsasl is maintained as a Texinfo manual.  If the info and gsasl
       programs are properly installed at your site, the command

              info gsasl

       should  give  you  access  to  the  complete manual.  As an alternative you may obtain the
       manual from:

              http://www.gnu.org/software/gsasl/manual/