mirror of https://github.com/openssl/openssl
100 lines
3.3 KiB
Plaintext
100 lines
3.3 KiB
Plaintext
=pod
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=head1 NAME
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i2s_ASN1_IA5STRING,
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s2i_ASN1_IA5STRING,
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i2s_ASN1_INTEGER,
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s2i_ASN1_INTEGER,
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i2s_ASN1_OCTET_STRING,
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s2i_ASN1_OCTET_STRING,
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i2s_ASN1_ENUMERATED,
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i2s_ASN1_ENUMERATED_TABLE,
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i2s_ASN1_UTF8STRING,
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s2i_ASN1_UTF8STRING
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- convert objects from/to ASN.1/string representation
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=head1 SYNOPSIS
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#include <openssl/x509v3.h>
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char *i2s_ASN1_IA5STRING(X509V3_EXT_METHOD *method, ASN1_IA5STRING *ia5);
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ASN1_IA5STRING *s2i_ASN1_IA5STRING(X509V3_EXT_METHOD *method,
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X509V3_CTX *ctx, const char *str);
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char *i2s_ASN1_INTEGER(X509V3_EXT_METHOD *method, const ASN1_INTEGER *a);
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ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, const char *value);
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char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
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const ASN1_OCTET_STRING *oct);
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ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
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X509V3_CTX *ctx, const char *str);
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char *i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD *method, const ASN1_ENUMERATED *a);
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char *i2s_ASN1_ENUMERATED_TABLE(X509V3_EXT_METHOD *method,
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const ASN1_ENUMERATED *e);
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char *i2s_ASN1_UTF8STRING(X509V3_EXT_METHOD *method,
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ASN1_UTF8STRING *utf8);
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ASN1_UTF8STRING *s2i_ASN1_UTF8STRING(X509V3_EXT_METHOD *method,
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X509V3_CTX *ctx, const char *str);
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=head1 DESCRIPTION
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These functions convert OpenSSL objects to and from their ASN.1/string
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representation. This function is used for B<X509v3> extensions.
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=head1 NOTES
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The letters B<i> and B<s> in B<i2s> and B<s2i> stand for
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"internal" (that is, an internal C structure) and string respectively.
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So B<i2s_ASN1_IA5STRING>() converts from internal to string.
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It is the caller's responsibility to free the returned string.
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In the B<i2s_ASN1_IA5STRING>() function the string is copied and
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the ownership of the original string remains with the caller.
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=head1 RETURN VALUES
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B<i2s_ASN1_IA5STRING>() returns the pointer to a IA5 string
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or NULL if an error occurs.
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B<s2i_ASN1_IA5STRING>() return a valid
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B<ASN1_IA5STRING> structure or NULL if an error occurs.
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B<i2s_ASN1_INTEGER>() return a valid
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string or NULL if an error occurs.
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B<s2i_ASN1_INTEGER>() returns the pointer to a B<ASN1_INTEGER>
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structure or NULL if an error occurs.
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B<i2s_ASN1_OCTET_STRING>() returns the pointer to a OCTET_STRING string
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or NULL if an error occurs.
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B<s2i_ASN1_OCTET_STRING>() return a valid
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B<ASN1_OCTET_STRING> structure or NULL if an error occurs.
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B<i2s_ASN1_ENUMERATED>() return a valid
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string or NULL if an error occurs.
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B<s2i_ASN1_ENUMERATED>() returns the pointer to a B<ASN1_ENUMERATED>
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structure or NULL if an error occurs.
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B<s2i_ASN1_UTF8STRING>() return a valid
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B<ASN1_UTF8STRING> structure or NULL if an error occurs.
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B<i2s_ASN1_UTF8STRING>() returns the pointer to a UTF-8 string
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or NULL if an error occurs.
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=head1 HISTORY
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i2s_ASN1_UTF8STRING() and s2i_ASN1_UTF8STRING() were made public in OpenSSL 3.0.
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=head1 COPYRIGHT
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Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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