95 lines
3.3 KiB
HTML
Executable File
95 lines
3.3 KiB
HTML
Executable File
<?xml version="1.0" ?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>EC_KEY_get_enc_flags</title>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<link rev="made" href="mailto:root@localhost" />
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</head>
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<body style="background-color: white">
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<!-- INDEX BEGIN -->
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<div name="index">
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<p><a name="__index__"></a></p>
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<ul>
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<li><a href="#name">NAME</a></li>
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<li><a href="#synopsis">SYNOPSIS</a></li>
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<li><a href="#description">DESCRIPTION</a></li>
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<li><a href="#return_values">RETURN VALUES</a></li>
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<li><a href="#see_also">SEE ALSO</a></li>
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<li><a href="#copyright">COPYRIGHT</a></li>
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</ul>
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<hr name="index" />
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</div>
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<!-- INDEX END -->
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<p>
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</p>
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<hr />
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<h1><a name="name">NAME</a></h1>
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<p>EC_KEY_get_enc_flags, EC_KEY_set_enc_flags
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- Get and set flags for encoding EC_KEY structures</p>
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<p>
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</p>
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<hr />
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<h1><a name="synopsis">SYNOPSIS</a></h1>
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<pre>
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#include <openssl/ec.h></pre>
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<pre>
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unsigned int EC_KEY_get_enc_flags(const EC_KEY *key);
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void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int flags);</pre>
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<p>
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</p>
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<hr />
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<h1><a name="description">DESCRIPTION</a></h1>
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<p>The format of the external representation of the public key written by
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i2d_ECPrivateKey() (such as whether it is stored in a compressed form or not) is
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described by the point_conversion_form. See <em>EC_GROUP_copy(3)</em>
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for a description of point_conversion_form.</p>
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<p>When reading a private key encoded without an associated public key (e.g. if
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EC_PKEY_NO_PUBKEY has been used - see below), then d2i_ECPrivateKey() generates
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the missing public key automatically. Private keys encoded without parameters
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(e.g. if EC_PKEY_NO_PARAMETERS has been used - see below) cannot be loaded using
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d2i_ECPrivateKey().</p>
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<p>The functions <code>EC_KEY_get_enc_flags()</code> and <code>EC_KEY_set_enc_flags()</code> get and set the
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value of the encoding flags for the <strong>key</strong>. There are two encoding flags
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currently defined - EC_PKEY_NO_PARAMETERS and EC_PKEY_NO_PUBKEY. These flags
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define the behaviour of how the <strong>key</strong> is converted into ASN1 in a call to
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i2d_ECPrivateKey(). If EC_PKEY_NO_PARAMETERS is set then the public parameters for
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the curve are not encoded along with the private key. If EC_PKEY_NO_PUBKEY is
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set then the public key is not encoded along with the private key.</p>
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<p>
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</p>
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<hr />
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<h1><a name="return_values">RETURN VALUES</a></h1>
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<p><code>EC_KEY_get_enc_flags()</code> returns the value of the current encoding flags for the
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EC_KEY.</p>
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<p>
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</p>
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<hr />
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<h1><a name="see_also">SEE ALSO</a></h1>
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<p><em>crypto(7)</em>, <em>EC_GROUP_new(3)</em>,
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<em>EC_GROUP_copy(3)</em>, <em>EC_POINT_new(3)</em>,
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<em>EC_POINT_add(3)</em>,
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<em>EC_GFp_simple_method(3)</em>,
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<em>d2i_ECPKParameters(3)</em>,
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<em>d2i_ECPrivateKey(3)</em></p>
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<p>
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</p>
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<hr />
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<h1><a name="copyright">COPYRIGHT</a></h1>
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<p>Copyright 2015-2017 The OpenSSL Project Authors. All Rights Reserved.</p>
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<p>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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<a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>
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</body>
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</html>
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