49 lines
1.3 KiB
XML
49 lines
1.3 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<refentry id="scasn1encode">
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<refentryinfo><title>OpenSC API Reference</title></refentryinfo>
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<refmeta>
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<refentrytitle>sc_asn1_encode</refentrytitle>
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<manvolnum>3</manvolnum>
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<refmiscinfo>opensc</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>sc_asn1_encode</refname>
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<refpurpose>Encode ASN.1 entries into a stream</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Synopsis</title>
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<para>
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<programlisting>
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#include <opensc.h>
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int sc_asn1_encode(struct sc_context *ctx, const struct sc_asn1_entry *asn1,
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unsigned char **newbuf, size_t *size);
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</programlisting>
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</para>
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</refsect1>
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<refsect1>
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<title>Description</title>
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<para>
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This function encodes an array of entries pointed to by <emphasis>asn1</emphasis> and terminated
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by a NULL entry (i.e. where the <structfield>name</structfield> field of the entry is NULL) into
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a newly allocated buffer.
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</para>
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<para>
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The new buffer containing the ASN.1 stream will be stored in <emphasis>newbuf</emphasis>, and the
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size of this buffer is stored in <emphasis>size</emphasis>. The application must free this buffer
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after use.
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</para>
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</refsect1>
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<refsect1>
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<title>Return value</title>
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<para>
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Returns 0 if successful, or a negative value in case of error.
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</para>
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</refsect1>
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</refentry>
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