gnutls_x509_crt_get_verify_algorithm(3) [suse man page]

gnutls_x509_crt_get_verify_algorithm(3) 			      gnutls				   gnutls_x509_crt_get_verify_algorithm(3)

NAME

       gnutls_x509_crt_get_verify_algorithm - get hash algorithm used to verify signature.

SYNOPSIS

       #include <gnutls/x509.h>

       int gnutls_x509_crt_get_verify_algorithm(gnutls_x509_crt_t crt, const gnutls_datum_t * signature, gnutls_digest_algorithm_t * hash);

ARGUMENTS

       gnutls_x509_crt_t crt
		   Holds the certificate

       const gnutls_datum_t * signature
		   contains the signature

       gnutls_digest_algorithm_t * hash
		   The result of the call with the hash algorithm used for signature

DESCRIPTION

       This function will read the certifcate and the signed data to determine the hash algorithm used to generate the signature.

RETURNS

       the 0 if the hash algorithm is found. A negative value is returned on error.

SINCE

       2.8.0

REPORTING BUGS

       Report	bugs   to   <bug-gnutls@gnu.org>.   GnuTLS  home  page:  http://www.gnu.org/software/gnutls/  General  help  using  GNU  software:
       http://www.gnu.org/gethelp/

COPYRIGHT

       Copyright (C) 2008 Free Software Foundation.
       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 gnutls is maintained as a Texinfo manual.  If the info and gnutls programs are properly installed at your site,
       the command

	      info gnutls

       should give you access to the complete manual.

gnutls								       2.8.6				   gnutls_x509_crt_get_verify_algorithm(3)

gnutls_x509_crt_verify_hash(3)					      gnutls					    gnutls_x509_crt_verify_hash(3)

NAME

       gnutls_x509_crt_verify_hash - API function

SYNOPSIS

       #include <gnutls/compat.h>

       int gnutls_x509_crt_verify_hash(gnutls_x509_crt_t crt, unsigned int flags, const gnutls_datum_t * hash, const gnutls_datum_t * signature);

ARGUMENTS

       gnutls_x509_crt_t crt
		   Holds the certificate

       unsigned int flags
		   should be 0 for now

       const gnutls_datum_t * hash
		   holds the hash digest to be verified

       const gnutls_datum_t * signature
		   contains the signature

DESCRIPTION

       This function will verify the given signed digest, using the parameters from the certificate.

       Deprecated. This function cannot be easily used securely.  Use gnutls_pubkey_verify_hash2() instead.

RETURNS

       In case of a verification failure GNUTLS_E_PK_SIG_VERIFY_FAILED is returned, and zero or positive code on success.

REPORTING BUGS

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

COPYRIGHT

       Copyright (C) 2012 Free Software Foundation, Inc..
       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 gnutls is maintained as a Texinfo manual.  If the info and gnutls programs are properly installed at your  site,
       the command

	      info gnutls

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

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

gnutls								      3.1.15					    gnutls_x509_crt_verify_hash(3)