.\" $OpenBSD: ASN1_STRING_new.3,v 1.25 2023/07/28 05:48:33 tb Exp $ .\" OpenSSL 99d63d46 Tue Mar 24 07:52:24 2015 -0400 .\" .\" Copyright (c) 2017 Ingo Schwarze .\" .\" Permission to use, copy, modify, and distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd $Mdocdate: July 28 2023 $ .Dt ASN1_STRING_NEW 3 .Os .Sh NAME .Nm ASN1_STRING_new , .Nm ASN1_STRING_type_new , .Nm ASN1_STRING_free , .Nm ASN1_OCTET_STRING_new , .Nm ASN1_OCTET_STRING_free , .Nm ASN1_BIT_STRING_new , .Nm ASN1_BIT_STRING_free , .Nm ASN1_INTEGER_new , .Nm ASN1_INTEGER_free , .Nm ASN1_ENUMERATED_new , .Nm ASN1_ENUMERATED_free , .Nm ASN1_UTF8STRING_new , .Nm ASN1_UTF8STRING_free , .Nm ASN1_IA5STRING_new , .Nm ASN1_IA5STRING_free , .Nm ASN1_UNIVERSALSTRING_new , .Nm ASN1_UNIVERSALSTRING_free , .Nm ASN1_BMPSTRING_new , .Nm ASN1_BMPSTRING_free , .Nm ASN1_GENERALSTRING_new , .Nm ASN1_GENERALSTRING_free , .Nm ASN1_T61STRING_new , .Nm ASN1_T61STRING_free , .Nm ASN1_VISIBLESTRING_new , .Nm ASN1_VISIBLESTRING_free , .Nm ASN1_PRINTABLESTRING_new , .Nm ASN1_PRINTABLESTRING_free , .Nm ASN1_PRINTABLE_new , .Nm ASN1_PRINTABLE_free , .Nm DIRECTORYSTRING_new , .Nm DIRECTORYSTRING_free , .Nm DISPLAYTEXT_new , .Nm DISPLAYTEXT_free , .Nm ASN1_GENERALIZEDTIME_new , .Nm ASN1_GENERALIZEDTIME_free , .Nm ASN1_UTCTIME_new , .Nm ASN1_UTCTIME_free , .Nm ASN1_TIME_new , .Nm ASN1_TIME_free .\" deprecated aliases, intentionally undocumented: M_ASN1_IA5STRING_new, .\" M_ASN1_ENUMERATED_free, M_ASN1_INTEGER_free, M_ASN1_OCTET_STRING_free .Nd allocate and free ASN1_STRING objects .Sh SYNOPSIS .In openssl/asn1.h .Ft ASN1_STRING * .Fn ASN1_STRING_new void .Ft ASN1_STRING * .Fn ASN1_STRING_type_new "int type" .Ft void .Fn ASN1_STRING_free "ASN1_STRING *a" .Ft ASN1_OCTET_STRING * .Fn ASN1_OCTET_STRING_new void .Ft void .Fn ASN1_OCTET_STRING_free "ASN1_OCTET_STRING *a" .Ft ASN1_BIT_STRING * .Fn ASN1_BIT_STRING_new void .Ft void .Fn ASN1_BIT_STRING_free "ASN1_BIT_STRING *a" .Ft ASN1_INTEGER * .Fn ASN1_INTEGER_new void .Ft void .Fn ASN1_INTEGER_free "ASN1_INTEGER *a" .Ft ASN1_ENUMERATED * .Fn ASN1_ENUMERATED_new void .Ft void .Fn ASN1_ENUMERATED_free "ASN1_ENUMERATED *a" .Ft ASN1_UTF8STRING * .Fn ASN1_UTF8STRING_new void .Ft void .Fn ASN1_UTF8STRING_free "ASN1_UTF8STRING *a" .Ft ASN1_IA5STRING * .Fn ASN1_IA5STRING_new void .Ft void .Fn ASN1_IA5STRING_free "ASN1_IA5STRING *a" .Ft ASN1_UNIVERSALSTRING * .Fn ASN1_UNIVERSALSTRING_new void .Ft void .Fn ASN1_UNIVERSALSTRING_free "ASN1_UNIVERSALSTRING *a" .Ft ASN1_BMPSTRING * .Fn ASN1_BMPSTRING_new void .Ft void .Fn ASN1_BMPSTRING_free "ASN1_BMPSTRING *a" .Ft ASN1_GENERALSTRING * .Fn ASN1_GENERALSTRING_new void .Ft void .Fn ASN1_GENERALSTRING_free "ASN1_GENERALSTRING *a" .Ft ASN1_T61STRING * .Fn ASN1_T61STRING_new void .Ft void .Fn ASN1_T61STRING_free "ASN1_T61STRING *a" .Ft ASN1_VISIBLESTRING * .Fn ASN1_VISIBLESTRING_new void .Ft void .Fn ASN1_VISIBLESTRING_free "ASN1_VISIBLESTRING *a" .Ft ASN1_PRINTABLESTRING * .Fn ASN1_PRINTABLESTRING_new void .Ft void .Fn ASN1_PRINTABLESTRING_free "ASN1_PRINTABLESTRING *a" .Ft ASN1_STRING * .Fn ASN1_PRINTABLE_new void .Ft void .Fn ASN1_PRINTABLE_free "ASN1_STRING *a" .Ft ASN1_STRING * .Fn DIRECTORYSTRING_new void .Ft void .Fn DIRECTORYSTRING_free "ASN1_STRING *a" .Ft ASN1_STRING * .Fn DISPLAYTEXT_new void .Ft void .Fn DISPLAYTEXT_free "ASN1_STRING *a" .Ft ASN1_GENERALIZEDTIME * .Fn ASN1_GENERALIZEDTIME_new void .Ft void .Fn ASN1_GENERALIZEDTIME_free "ASN1_GENERALIZEDTIME *a" .Ft ASN1_UTCTIME * .Fn ASN1_UTCTIME_new void .Ft void .Fn ASN1_UTCTIME_free "ASN1_UTCTIME *a" .Ft ASN1_TIME * .Fn ASN1_TIME_new void .Ft void .Fn ASN1_TIME_free "ASN1_TIME *a" .Sh DESCRIPTION The .Vt ASN1_STRING object can represent a variety of ASN.1 built-in types. It can store a type and a value. .Pp All the .Fn *_new functions allocate and initialize an empty .Vt ASN1_STRING object. The following table shows the type assigned to the new object, and which ASN.1 type it represents. .Bl -column "ASN1_GENERALIZEDTIME_new()" "V_ASN1_GENERALIZEDTIME" .It Em constructor function Ta Em OpenSSL type Ta Em ASN.1 type .It Ta .It Fn ASN1_STRING_new Ta Dv V_ASN1_OCTET_STRING .It Fn ASN1_STRING_type_new Ta Fa type No argument .It Ta .It Fn ASN1_OCTET_STRING_new Ta Dv V_ASN1_OCTET_STRING Ta OCTET STRING .It Fn ASN1_BIT_STRING_new Ta Dv V_ASN1_BIT_STRING Ta BIT STRING .It Fn ASN1_INTEGER_new Ta Dv V_ASN1_INTEGER Ta INTEGER .It Fn ASN1_ENUMERATED_new Ta Dv V_ASN1_ENUMERATED Ta ENUMERATED .It Ta .It Fn ASN1_UTF8STRING_new Ta Dv V_ASN1_UTF8STRING Ta UTF8String .It Fn ASN1_IA5STRING_new Ta Dv V_ASN1_IA5STRING Ta IA5String .It Ta .It Fn ASN1_UNIVERSALSTRING_new Ta Dv V_ASN1_UNIVERSALSTRING Ta UniversalString .It Fn ASN1_BMPSTRING_new Ta Dv V_ASN1_BMPSTRING Ta BMPString .It Fn ASN1_GENERALSTRING_new Ta Dv V_ASN1_GENERALSTRING Ta GeneralString .It Fn ASN1_T61STRING_new Ta Dv V_ASN1_T61STRING Ta T61String .It Fn ASN1_VISIBLESTRING_new Ta Dv V_ASN1_VISIBLESTRING Ta VisibleString .It Fn ASN1_PRINTABLESTRING_new Ta Dv V_ASN1_PRINTABLESTRING Ta PrintableString .It Ta .It Fn ASN1_PRINTABLE_new Ta Dv V_ASN1_UNDEF .It Fn DIRECTORYSTRING_new Ta Dv V_ASN1_UNDEF .It Fn DISPLAYTEXT_new Ta Dv V_ASN1_UNDEF .It Ta .It Fn ASN1_GENERALIZEDTIME_new Ta Dv V_ASN1_GENERALIZEDTIME Ta GeneralizedTime .It Fn ASN1_UTCTIME_new Ta Dv V_ASN1_UTCTIME Ta UTCTime .It Fn ASN1_TIME_new Ta Dv V_ASN1_UNDEF Ta TIME .El .Pp All the .Fn *_free functions free .Fa a including any data contained in it. If .Fa a is a .Dv NULL pointer, no action occurs. .Sh RETURN VALUES All the .Fn *_new functions return the new .Vt ASN1_STRING object if successful; otherwise .Dv NULL is returned and an error code can be retrieved with .Xr ERR_get_error 3 . .Sh SEE ALSO .Xr ASN1_BIT_STRING_set 3 , .Xr ASN1_INTEGER_get 3 , .Xr ASN1_item_pack 3 , .Xr ASN1_mbstring_copy 3 , .Xr ASN1_PRINTABLE_type 3 , .Xr ASN1_STRING_length 3 , .Xr ASN1_STRING_print_ex 3 , .Xr ASN1_time_parse 3 , .Xr ASN1_TIME_set 3 , .Xr ASN1_TYPE_get 3 , .Xr ASN1_UNIVERSALSTRING_to_string 3 , .Xr d2i_ASN1_OBJECT 3 , .Xr d2i_ASN1_OCTET_STRING 3 , .Xr i2a_ASN1_STRING 3 , .Xr X509_cmp_time 3 , .Xr X509_EXTENSION_get_object 3 , .Xr X509_get_ext_by_OBJ 3 , .Xr X509_NAME_ENTRY_get_object 3 .Sh HISTORY .Fn ASN1_OCTET_STRING_new , .Fn ASN1_OCTET_STRING_free , .Fn ASN1_BIT_STRING_new , .Fn ASN1_BIT_STRING_free , .Fn ASN1_INTEGER_new , .Fn ASN1_INTEGER_free , .Fn ASN1_IA5STRING_new , .Fn ASN1_IA5STRING_free , .Fn ASN1_T61STRING_new , .Fn ASN1_T61STRING_free , .Fn ASN1_PRINTABLESTRING_new , .Fn ASN1_PRINTABLESTRING_free , .Fn ASN1_PRINTABLE_new , .Fn ASN1_PRINTABLE_free , .Fn ASN1_UTCTIME_new , and .Fn ASN1_UTCTIME_free first appeared in SSLeay 0.5.1. .Fn ASN1_STRING_new , .Fn ASN1_STRING_type_new , and .Fn ASN1_STRING_free first appeared in SSLeay 0.6.5. .Fn ASN1_UNIVERSALSTRING_new , .Fn ASN1_UNIVERSALSTRING_free , .Fn ASN1_GENERALSTRING_new , and .Fn ASN1_GENERALSTRING_free first appeared in SSLeay 0.8.0. .Fn ASN1_BMPSTRING_new , .Fn ASN1_BMPSTRING_free , .Fn ASN1_GENERALIZEDTIME_new , and .Fn ASN1_GENERALIZEDTIME_free first appeared in SSLeay 0.9.0. All these functions have been available since .Ox 2.4 . .Pp .Fn ASN1_ENUMERATED_new , .Fn ASN1_ENUMERATED_free , .Fn ASN1_TIME_new , and .Fn ASN1_TIME_free first appeared in OpenSSL 0.9.2b. .Fn ASN1_UTF8STRING_new , .Fn ASN1_UTF8STRING_free , .Fn ASN1_VISIBLESTRING_new , .Fn ASN1_VISIBLESTRING_free , .Fn DIRECTORYSTRING_new , .Fn DIRECTORYSTRING_free , .Fn DISPLAYTEXT_new , and .Fn DISPLAYTEXT_free first appeared in OpenSSL 0.9.3. These functions have been available since .Ox 2.6 . .Sh BUGS .Vt ASN1_OCTET_STRING , .Vt ASN1_BIT_STRING , .Vt ASN1_INTEGER , .Vt ASN1_ENUMERATED , .Vt ASN1_UTF8STRING , .Vt ASN1_IA5STRING , .Vt ASN1_UNIVERSALSTRING , .Vt ASN1_BMPSTRING , .Vt ASN1_GENERALSTRING , .Vt ASN1_T61STRING , .Vt ASN1_VISIBLESTRING , .Vt ASN1_PRINTABLESTRING , .Vt ASN1_GENERALIZEDTIME , .Vt ASN1_UTCTIME , and .Vt ASN1_TIME are merely typedef aliases of .Vt ASN1_STRING and provide no type safety whatsoever.