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ASN1_STRING_NEW(3) Library Functions Manual ASN1_STRING_NEW(3)

ASN1_STRING_new, ASN1_STRING_type_new, ASN1_STRING_free, ASN1_OCTET_STRING_new, ASN1_OCTET_STRING_free, ASN1_BIT_STRING_new, ASN1_BIT_STRING_free, ASN1_INTEGER_new, ASN1_INTEGER_free, ASN1_ENUMERATED_new, ASN1_ENUMERATED_free, ASN1_UTF8STRING_new, ASN1_UTF8STRING_free, ASN1_IA5STRING_new, ASN1_IA5STRING_free, ASN1_UNIVERSALSTRING_new, ASN1_UNIVERSALSTRING_free, ASN1_BMPSTRING_new, ASN1_BMPSTRING_free, ASN1_GENERALSTRING_new, ASN1_GENERALSTRING_free, ASN1_T61STRING_new, ASN1_T61STRING_free, ASN1_VISIBLESTRING_new, ASN1_VISIBLESTRING_free, ASN1_PRINTABLESTRING_new, ASN1_PRINTABLESTRING_free, ASN1_PRINTABLE_new, ASN1_PRINTABLE_free, DIRECTORYSTRING_new, DIRECTORYSTRING_free, DISPLAYTEXT_new, DISPLAYTEXT_free, ASN1_GENERALIZEDTIME_new, ASN1_GENERALIZEDTIME_free, ASN1_UTCTIME_new, ASN1_UTCTIME_free, ASN1_TIME_new, ASN1_TIME_freeallocate and free ASN1_STRING objects

#include <openssl/asn1.h>

ASN1_STRING *
ASN1_STRING_new(void);

ASN1_STRING *
ASN1_STRING_type_new(int type);

void
ASN1_STRING_free(ASN1_STRING *a);

ASN1_OCTET_STRING *
ASN1_OCTET_STRING_new(void);

void
ASN1_OCTET_STRING_free(ASN1_OCTET_STRING *a);

ASN1_BIT_STRING *
ASN1_BIT_STRING_new(void);

void
ASN1_BIT_STRING_free(ASN1_BIT_STRING *a);

ASN1_INTEGER *
ASN1_INTEGER_new(void);

void
ASN1_INTEGER_free(ASN1_INTEGER *a);

ASN1_ENUMERATED *
ASN1_ENUMERATED_new(void);

void
ASN1_ENUMERATED_free(ASN1_ENUMERATED *a);

ASN1_UTF8STRING *
ASN1_UTF8STRING_new(void);

void
ASN1_UTF8STRING_free(ASN1_UTF8STRING *a);

ASN1_IA5STRING *
ASN1_IA5STRING_new(void);

void
ASN1_IA5STRING_free(ASN1_IA5STRING *a);

ASN1_UNIVERSALSTRING *
ASN1_UNIVERSALSTRING_new(void);

void
ASN1_UNIVERSALSTRING_free(ASN1_UNIVERSALSTRING *a);

ASN1_BMPSTRING *
ASN1_BMPSTRING_new(void);

void
ASN1_BMPSTRING_free(ASN1_BMPSTRING *a);

ASN1_GENERALSTRING *
ASN1_GENERALSTRING_new(void);

void
ASN1_GENERALSTRING_free(ASN1_GENERALSTRING *a);

ASN1_T61STRING *
ASN1_T61STRING_new(void);

void
ASN1_T61STRING_free(ASN1_T61STRING *a);

ASN1_VISIBLESTRING *
ASN1_VISIBLESTRING_new(void);

void
ASN1_VISIBLESTRING_free(ASN1_VISIBLESTRING *a);

ASN1_PRINTABLESTRING *
ASN1_PRINTABLESTRING_new(void);

void
ASN1_PRINTABLESTRING_free(ASN1_PRINTABLESTRING *a);

ASN1_STRING *
ASN1_PRINTABLE_new(void);

void
ASN1_PRINTABLE_free(ASN1_STRING *a);

ASN1_STRING *
DIRECTORYSTRING_new(void);

void
DIRECTORYSTRING_free(ASN1_STRING *a);

ASN1_STRING *
DISPLAYTEXT_new(void);

void
DISPLAYTEXT_free(ASN1_STRING *a);

ASN1_GENERALIZEDTIME *
ASN1_GENERALIZEDTIME_new(void);

void
ASN1_GENERALIZEDTIME_free(ASN1_GENERALIZEDTIME *a);

ASN1_UTCTIME *
ASN1_UTCTIME_new(void);

void
ASN1_UTCTIME_free(ASN1_UTCTIME *a);

ASN1_TIME *
ASN1_TIME_new(void);

void
ASN1_TIME_free(ASN1_TIME *a);

The ASN1_STRING object can represent a variety of ASN.1 built-in types. It can store a type and a value.

All the *_new() functions allocate and initialize an empty ASN1_STRING object. The following table shows the type assigned to the new object, and which ASN.1 type it represents.

constructor function OpenSSL type ASN.1 type
ASN1_STRING_new()
ASN1_STRING_type_new() type argument
ASN1_OCTET_STRING_new() OCTET STRING
ASN1_BIT_STRING_new() BIT STRING
ASN1_INTEGER_new() INTEGER
ASN1_ENUMERATED_new() ENUMERATED
ASN1_UTF8STRING_new() UTF8String
ASN1_IA5STRING_new() IA5String
ASN1_UNIVERSALSTRING_new() UniversalString
ASN1_BMPSTRING_new() BMPString
ASN1_GENERALSTRING_new() GeneralString
ASN1_T61STRING_new() T61String
ASN1_VISIBLESTRING_new() VisibleString
ASN1_PRINTABLESTRING_new() PrintableString
ASN1_PRINTABLE_new()
DIRECTORYSTRING_new()
DISPLAYTEXT_new()
ASN1_GENERALIZEDTIME_new() GeneralizedTime
ASN1_UTCTIME_new() UTCTime
ASN1_TIME_new() TIME

All the *_free() functions free a including any data contained in it. If a is a NULL pointer, no action occurs.

All the *_new() functions return the new ASN1_STRING object if successful; otherwise NULL is returned and an error code can be retrieved with ERR_get_error(3).

ASN1_INTEGER_get(3), ASN1_STRING_length(3), ASN1_STRING_print_ex(3), ASN1_time_parse(3), ASN1_TIME_set(3), ASN1_TYPE_get(3), d2i_ASN1_OBJECT(3), d2i_ASN1_OCTET_STRING(3), X509_cmp_time(3), X509_EXTENSION_get_object(3), X509_get_ext_by_OBJ(3), X509_NAME_ENTRY_get_object(3)

ASN1_OCTET_STRING_new(), ASN1_OCTET_STRING_free(), ASN1_BIT_STRING_new(), ASN1_BIT_STRING_free(), ASN1_INTEGER_new(), ASN1_INTEGER_free(), ASN1_IA5STRING_new(), ASN1_IA5STRING_free(), ASN1_T61STRING_new(), ASN1_T61STRING_free(), ASN1_PRINTABLESTRING_new(), ASN1_PRINTABLESTRING_free(), ASN1_PRINTABLE_new(), ASN1_PRINTABLE_free(), ASN1_UTCTIME_new(), and ASN1_UTCTIME_free() first appeared in SSLeay 0.5.1. ASN1_STRING_new(), ASN1_STRING_type_new(), and ASN1_STRING_free() first appeared in SSLeay 0.6.5. ASN1_UNIVERSALSTRING_new(), ASN1_UNIVERSALSTRING_free(), ASN1_GENERALSTRING_new(), and ASN1_GENERALSTRING_free() first appeared in SSLeay 0.8.0. ASN1_BMPSTRING_new(), ASN1_BMPSTRING_free(), ASN1_GENERALIZEDTIME_new(), and ASN1_GENERALIZEDTIME_free() first appeared in SSLeay 0.9.0. All these functions have been available since OpenBSD 2.4.

ASN1_ENUMERATED_new(), ASN1_ENUMERATED_free(), ASN1_TIME_new(), and ASN1_TIME_free() first appeared in OpenSSL 0.9.2b. ASN1_UTF8STRING_new(), ASN1_UTF8STRING_free(), ASN1_VISIBLESTRING_new(), ASN1_VISIBLESTRING_free(), DIRECTORYSTRING_new(), DIRECTORYSTRING_free(), DISPLAYTEXT_new(), and DISPLAYTEXT_free() first appeared in OpenSSL 0.9.3. These functions have been available since OpenBSD 2.6.

ASN1_OCTET_STRING, ASN1_BIT_STRING, ASN1_INTEGER, ASN1_ENUMERATED, ASN1_UTF8STRING, ASN1_IA5STRING, ASN1_UNIVERSALSTRING, ASN1_BMPSTRING, ASN1_GENERALSTRING, ASN1_T61STRING, ASN1_VISIBLESTRING, ASN1_PRINTABLESTRING, ASN1_GENERALIZEDTIME, ASN1_UTCTIME, and ASN1_TIME are merely typedef aliases of ASN1_STRING and provide no type safety whatsoever.

June 14, 2019 OpenBSD-current