.\" DO NOT MODIFY THIS FILE!  It was generated by gdoc.

.TH "gnutls_x509_crt_get_signature_oid" 3 "3.6.14" "gnutls" "gnutls"

.SH NAME

gnutls_x509_crt_get_signature_oid \- API function

.SH SYNOPSIS

.B #include <gnutls/x509.h>

.sp

.BI "int gnutls_x509_crt_get_signature_oid(gnutls_x509_crt_t " cert ", char * " oid ", size_t * " oid_size ");"

.SH ARGUMENTS

.IP "gnutls_x509_crt_t cert" 12

should contain a \fBgnutls_x509_crt_t\fP type

.IP "char * oid" 12

a pointer to a buffer to hold the OID (may be null)

.IP "size_t * oid_size" 12

initially holds the size of  \fIoid\fP 

.SH "DESCRIPTION"

This function will return the OID of the signature algorithm

that has been used to sign this certificate. This is function

is useful in the case \fBgnutls_x509_crt_get_signature_algorithm()\fP

returned \fBGNUTLS_SIGN_UNKNOWN\fP.

.SH "RETURNS"

zero or a negative error code on error.

.SH "SINCE"

3.5.0

.SH "REPORTING BUGS"

Report bugs to <bugs@gnutls.org>.

.br

Home page: https://www.gnutls.org

.SH COPYRIGHT

Copyright \(co 2001- Free Software Foundation, Inc., and others.

.br

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.

.SH "SEE ALSO"

The full documentation for

.B gnutls

is maintained as a Texinfo manual.

If the /usr/share/doc/gnutls/

directory does not contain the HTML form visit

.B

.IP https://www.gnutls.org/manual/

.PP