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s2i_ASN1_IA5STRING(3)               OpenSSL              s2i_ASN1_IA5STRING(3)



NAME
       i2s_ASN1_IA5STRING, s2i_ASN1_IA5STRING, i2s_ASN1_INTEGER,
       s2i_ASN1_INTEGER, i2s_ASN1_OCTET_STRING, s2i_ASN1_OCTET_STRING,
       i2s_ASN1_ENUMERATED, i2s_ASN1_ENUMERATED_TABLE, i2s_ASN1_UTF8STRING,
       s2i_ASN1_UTF8STRING - convert objects from/to ASN.1/string
       representation

LIBRARY
       libcrypto, -lcrypto

SYNOPSIS
        #include <openssl/x509v3.h>

        char *i2s_ASN1_IA5STRING(X509V3_EXT_METHOD *method, ASN1_IA5STRING *ia5);
        ASN1_IA5STRING *s2i_ASN1_IA5STRING(X509V3_EXT_METHOD *method,
                                          X509V3_CTX *ctx, const char *str);
        char *i2s_ASN1_INTEGER(X509V3_EXT_METHOD *method, const ASN1_INTEGER *a);
        ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, const char *value);
        char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
                                   const ASN1_OCTET_STRING *oct);
        ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
                                                X509V3_CTX *ctx, const char *str);
        char *i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD *method, const ASN1_ENUMERATED *a);
        char *i2s_ASN1_ENUMERATED_TABLE(X509V3_EXT_METHOD *method,
                                       const ASN1_ENUMERATED *e);

        char *i2s_ASN1_UTF8STRING(X509V3_EXT_METHOD *method,
                                  ASN1_UTF8STRING *utf8);
        ASN1_UTF8STRING *s2i_ASN1_UTF8STRING(X509V3_EXT_METHOD *method,
                                             X509V3_CTX *ctx, const char *str);

DESCRIPTION
       These functions convert OpenSSL objects to and from their ASN.1/string
       representation. This function is used for X509v3 extensions.

NOTES
       The letters i and s in i2s and s2i stand for "internal" (that is, an
       internal C structure) and string respectively.  So i2s_ASN1_IA5STRING()
       converts from internal to string.

       It is the caller's responsibility to free the returned string.  In the
       i2s_ASN1_IA5STRING() function the string is copied and the ownership of
       the original string remains with the caller.

RETURN VALUES
       i2s_ASN1_IA5STRING() returns the pointer to a IA5 string or NULL if an
       error occurs.

       s2i_ASN1_IA5STRING() return a valid ASN1_IA5STRING structure or NULL if
       an error occurs.

       i2s_ASN1_INTEGER() return a valid string or NULL if an error occurs.

       s2i_ASN1_INTEGER() returns the pointer to a ASN1_INTEGER structure or
       NULL if an error occurs.

       i2s_ASN1_OCTET_STRING() returns the pointer to a OCTET_STRING string or
       NULL if an error occurs.

       s2i_ASN1_OCTET_STRING() return a valid ASN1_OCTET_STRING structure or
       NULL if an error occurs.

       i2s_ASN1_ENUMERATED() return a valid string or NULL if an error occurs.

       s2i_ASN1_ENUMERATED() returns the pointer to a ASN1_ENUMERATED
       structure or NULL if an error occurs.

       s2i_ASN1_UTF8STRING() return a valid ASN1_UTF8STRING structure or NULL
       if an error occurs.

       i2s_ASN1_UTF8STRING() returns the pointer to a UTF-8 string or NULL if
       an error occurs.

HISTORY
       i2s_ASN1_UTF8STRING() and s2i_ASN1_UTF8STRING() were made public in
       OpenSSL 3.0.

COPYRIGHT
       Copyright 2020-2021 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>.



3.0.12                            2023-05-07             s2i_ASN1_IA5STRING(3)