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Man Pages


Manual Reference Pages  -  GNUTLS_X509_CRT_GET_KEY_PURPOSE_OID (3)

NAME

gnutls_x509_crt_get_key_purpose_oid - API function

CONTENTS

Synopsis
Arguments
Copyright

SYNOPSIS

#include <gnutls/x509.h>

int gnutls_x509_crt_get_key_purpose_oid(gnutls_x509_crt_t cert, int indx, void * oid, size_t * oid_size, unsigned int * critical);

ARGUMENTS

gnutls_x509_crt_t cert should contain a gnutls_x509_crt_t type
int indx This specifies which OID to return. Use (0) to get the first one.
void * oid a pointer to a buffer to hold the OID (may be null)
size_t * oid_size initially holds the size of oid
unsigned int * critical output flag to indicate criticality of extension

DESCRIPTION

This function will extract the key purpose OIDs of the Certificate specified by the given index. These are stored in the Extended Key Usage extension (2.5.29.37) See the GNUTLS_KP_* definitions for human readable names.

If oid is null then only the size will be filled. The oid returned will be null terminated, although oid_size will not account for the trailing null.

RETURNS

GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough, and in that case the *oid_size will be updated with the required size. On success 0 is returned.

REPORTING BUGS

Report bugs to <bugs@gnutls.org>.
Home page: http://www.gnutls.org

COPYRIGHT

Copyright © 2001-2016 Free Software Foundation, Inc., and others.
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 /usr/share/doc/gnutls/ directory does not contain the HTML form visit
http://www.gnutls.org/manual/
Search for    or go to Top of page |  Section 3 |  Main Index


gnutls GNUTLS_X509_CRT_GET_KEY_PURPOSE_OID (3) 3.4.9

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