86 lines
4.0 KiB
HTML
86 lines
4.0 KiB
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<?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>EVP_PKEY_print_private</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:" />
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</head>
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<body>
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<ul id="index">
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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="#NOTES">NOTES</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="#HISTORY">HISTORY</a></li>
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<li><a href="#COPYRIGHT">COPYRIGHT</a></li>
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</ul>
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<h1 id="NAME">NAME</h1>
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<p>EVP_PKEY_print_public, EVP_PKEY_print_private, EVP_PKEY_print_params, EVP_PKEY_print_public_fp, EVP_PKEY_print_private_fp, EVP_PKEY_print_params_fp - public key algorithm printing routines</p>
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<h1 id="SYNOPSIS">SYNOPSIS</h1>
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<pre><code> #include <openssl/evp.h>
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int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
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int indent, ASN1_PCTX *pctx);
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int EVP_PKEY_print_public_fp(FILE *fp, const EVP_PKEY *pkey,
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int indent, ASN1_PCTX *pctx);
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int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
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int indent, ASN1_PCTX *pctx);
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int EVP_PKEY_print_private_fp(FILE *fp, const EVP_PKEY *pkey,
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int indent, ASN1_PCTX *pctx);
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int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
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int indent, ASN1_PCTX *pctx);
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int EVP_PKEY_print_params_fp(FILE *fp, const EVP_PKEY *pkey,
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int indent, ASN1_PCTX *pctx);</code></pre>
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<h1 id="DESCRIPTION">DESCRIPTION</h1>
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<p>The functions EVP_PKEY_print_public(), EVP_PKEY_print_private() and EVP_PKEY_print_params() print out the public, private or parameter components of key <i>pkey</i> respectively. The key is sent to <b>BIO</b> <i>out</i> in human readable form. The parameter <i>indent</i> indicates how far the printout should be indented.</p>
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<p>The <i>pctx</i> parameter allows the print output to be finely tuned by using ASN1 printing options. If <i>pctx</i> is set to NULL then default values will be used.</p>
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<p>The functions EVP_PKEY_print_public_fp(), EVP_PKEY_print_private_fp() and EVP_PKEY_print_params_fp() do the same as the <b>BIO</b> based functions but use <b>FILE</b> <i>fp</i> instead.</p>
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<h1 id="NOTES">NOTES</h1>
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<p>Currently no public key algorithms include any options in the <i>pctx</i> parameter.</p>
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<p>If the key does not include all the components indicated by the function then only those contained in the key will be printed. For example passing a public key to EVP_PKEY_print_private() will only print the public components.</p>
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<h1 id="RETURN-VALUES">RETURN VALUES</h1>
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<p>These functions all return 1 for success and 0 or a negative value for failure. In particular a return value of -2 indicates the operation is not supported by the public key algorithm.</p>
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<h1 id="SEE-ALSO">SEE ALSO</h1>
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<p><a href="../man3/EVP_PKEY_CTX_new.html">EVP_PKEY_CTX_new(3)</a>, <a href="../man3/EVP_PKEY_keygen.html">EVP_PKEY_keygen(3)</a></p>
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<h1 id="HISTORY">HISTORY</h1>
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<p>The functions EVP_PKEY_print_public(), EVP_PKEY_print_private(), and EVP_PKEY_print_params() were added in OpenSSL 1.0.0.</p>
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<p>The functions EVP_PKEY_print_public_fp(), EVP_PKEY_print_private_fp(), and EVP_PKEY_print_params_fp() were added in OpenSSL 3.0.</p>
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<h1 id="COPYRIGHT">COPYRIGHT</h1>
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<p>Copyright 2006-2021 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 this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <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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