'\" t
.\"     Title: ne_ssl_cert_read
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 28 June 2020
.\"    Manual: neon API reference
.\"    Source: neon 0.0.0-dev
.\"  Language: English
.\"
.TH "NE_SSL_CERT_READ" "3" "28 June 2020" "neon 0.0.0-dev" "neon API reference"
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.SH "NAME"
ne_ssl_cert_read, ne_ssl_cert_write, ne_ssl_cert_import, ne_ssl_cert_export \- functions to read or write certificates to and from files or strings
.SH "SYNOPSIS"
.sp
.ft B
.nf
#include <ne_ssl\&.h>
.fi
.ft
.HP \w'ne_ssl_certificate\ *ne_ssl_cert_read('u
.BI "ne_ssl_certificate *ne_ssl_cert_read(const\ char\ *" "filename" ");"
.HP \w'int\ ne_ssl_cert_write('u
.BI "int ne_ssl_cert_write(const\ ne_ssl_certificate\ *" "cert" ", const\ char\ *" "filename" ");"
.HP \w'ne_ssl_certificate\ *ne_ssl_cert_import('u
.BI "ne_ssl_certificate *ne_ssl_cert_import(const\ char\ *" "data" ");"
.HP \w'char\ *ne_ssl_cert_export('u
.BI "char *ne_ssl_cert_export(const\ ne_ssl_certificate\ *" "cert" ");"
.SH "DESCRIPTION"
.PP
The
\fBne_ssl_cert_write\fR
function writes a certificate to a file using the PEM encoding\&. The
\fBne_ssl_cert_export\fR
function returns a base64\-encoded
NUL\-terminated string representing the certificate\&. This string is malloc\-allocated and should be destroyed using
\fBfree\fR
by the caller\&.
.PP
The
\fBne_ssl_cert_read\fR
function reads a certificate from a PEM\-encoded file, and returns a certificate object\&. The
\fBne_ssl_cert_import\fR
function returns a certificate object from a base64\-encoded string,
\fIdata\fR, as returned by
\fBne_ssl_cert_export\fR\&. The certificate object returned by these functions should be destroyed using
ne_ssl_cert_free
after use\&.
.SH "RETURN VALUE"
.PP
\fBne_ssl_cert_read\fR
returns
NULL
if a certificate could not be read from the file\&.
\fBne_ssl_cert_write\fR
returns non\-zero if the certificate could not be written to the file\&.
\fBne_ssl_cert_export\fR
always returns a
NUL\-terminated string, and never
NULL\&.
\fBne_ssl_cert_import\fR
returns
NULL
if the string was not a valid base64\-encoded certificate\&.
.SH "ENCODING FORMATS"
.PP
The string produced by
\fBne_ssl_cert_export\fR
is the base64 encoding of the DER representation of the certificate\&. The file written by
\fBne_ssl_cert_write\fR
uses the PEM format: this is the base64 encoding of the DER representation with newlines every 64 characters, and start and end marker lines\&.
.SH "AUTHOR"
.PP
\fBJoe Orton\fR <\&neon@lists.manyfish.co.uk\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br