57 lines
1.6 KiB
INI
57 lines
1.6 KiB
INI
=pod
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=head1 NAME
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DER_w_boolean, DER_w_ulong, DER_w_bn, DER_w_null
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- internal DER writers for DER primitives
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=head1 SYNOPSIS
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#include "internal/der.h"
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int DER_w_boolean(WPACKET *pkt, int tag, int b);
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int DER_w_ulong(WPACKET *pkt, int tag, unsigned long v);
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int DER_w_bn(WPACKET *pkt, int tag, const BIGNUM *v);
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int DER_w_null(WPACKET *pkt, int tag);
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=head1 DESCRIPTION
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All functions described here behave the same way, they prepend
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(remember that DER writers are used backwards) the DER encoding of
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their respective value to the already written output buffer held by
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I<pkt>.
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DER_w_boolean() writes the primitive BOOLEAN using the value I<b>.
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Any value that evaluates as true will render a B<true> BOOLEAN,
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otherwise a B<false> BOOLEAN.
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DER_w_ulong() and DER_w_bn() both write the primitive INTEGER using
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the value I<v>.
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=for comment Other similar functions for diverse C integers should be
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added.
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DER_w_null() writes the primitive NULL.
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=head1 RETURN VALUES
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All the functions return 1 on success and 0 on failure. Failure may
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mean that the buffer held by the I<pkt> is too small, but may also
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mean that the values given to the functions are invalid, such as the provided
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I<tag> value being too large for the implementation.
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=head1 SEE ALSO
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L<DERlib(7)>
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=head1 COPYRIGHT
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Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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