openssl/doc/internal/man3/s2i_ASN1_UTF8STRING.pod
Nikolay Morozov 6103f39c0d x509v3 subjectSignTool extention support
Subject Sign Tool (1.2.643.100.111) The name of the tool used to signs the subject (UTF8String)
This extention is required to obtain the status of a qualified certificate at Russian Federation.
RFC-style description is available here: https://tools.ietf.org/html/draft-deremin-rfc4491-bis-04#section-5
Russian Federal Law 63 "Digital Sign" is available here:  http://www.consultant.ru/document/cons_doc_LAW_112701/

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/11093)
2020-02-28 18:01:16 +03:00

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=pod
=head1 NAME
i2s_ASN1_UTF8STRING,
s2i_ASN1_UTF8STRING,
- convert objects from/to ASN.1/string representation
=head1 SYNOPSIS
=for openssl generic
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);
=head1 DESCRIPTION
These functions convert OpenSSL objects to and from their ASN.1/string
representation. This function is used for B<X509v3> extentions.
=head1 NOTES
The letters B<i> and B<s> in B<i2s_ASN1_UTF8STRING>() stand for
"internal" (that is, an internal C structure) and string respectively.
So B<i2s_ASN1_UTF8STRING>() converts from internal to string.
=head1 RETURN VALUES
B<s2i_ASN1_UTF8STRING>() return a valid
B<ASN1_UTF8STRING> structure or NULL if an error occurs.
B<i2s_ASN1_UTF8STRING>() returns the pointer to a UTF-8 string
or NULL if an error occurs.
=head1 COPYRIGHT
Copyright 2020 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
L<https://www.openssl.org/source/license.html>.
=cut