Decode an ASN.1 value described by it from a FILE (default library context).

Synopsis

Declared in <openssl/asn1.h>

void*
ASN1_item_d2i_fp(
    ASN1_ITEM const* it,
    FILE* in,
    void* x);

Return Value

Decoded object pointer, or NULL on error.

Parameters

Name

Description

it

ASN.1 item describing the type to decode.

in

Open FILE positioned at DER input.

x

Optional existing object to reuse, or NULL to allocate.

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