---
name: "ASN1_OBJECT_new"
section: "3ssl"
platform: "linux"
package: "openssl"
version: "3.6.5-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/ASN1_OBJECT_new"
---

# ASN1\_OBJECT\_new(3ssl)

object allocation functions

## NAME

ASN1\_OBJECT\_new, ASN1\_OBJECT\_free - object allocation functions

## SYNOPSIS

```
 #include <openssl/asn1.h>
 ASN1_OBJECT *ASN1_OBJECT_new(void);
 void ASN1_OBJECT_free(ASN1_OBJECT *a);
```

## DESCRIPTION

The **ASN1\_OBJECT** allocation routines, allocate and free an **ASN1\_OBJECT** structure, which represents an ASN1 OBJECT IDENTIFIER.

**ASN1\_OBJECT\_new()** allocates and initializes an **ASN1\_OBJECT** structure.

**ASN1\_OBJECT\_free()** frees up the **ASN1\_OBJECT** structure *a*. If *a* is NULL, nothing is done.

## NOTES

Although **ASN1\_OBJECT\_new()** allocates a new **ASN1\_OBJECT** structure it is almost never used in applications. The ASN1 object utility functions such as **OBJ\_nid2obj()** are used instead.

## RETURN VALUES

If the allocation fails, **ASN1\_OBJECT\_new()** returns NULL and sets an error code that can be obtained by **ERR\_get\_error**(3). Otherwise it returns a pointer to the newly allocated structure.

**ASN1\_OBJECT\_free()** returns no value.

## SEE ALSO

**ERR\_get\_error**(3), **d2i\_ASN1\_OBJECT**(3)

## COPYRIGHT

Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.

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 \<https://www.openssl.org/source/license.html\>.