1*b0d17251Schristos=pod 2*b0d17251Schristos 3*b0d17251Schristos=head1 NAME 4*b0d17251Schristos 5*b0d17251Schristosi2s_ASN1_IA5STRING, 6*b0d17251Schristoss2i_ASN1_IA5STRING, 7*b0d17251Schristosi2s_ASN1_INTEGER, 8*b0d17251Schristoss2i_ASN1_INTEGER, 9*b0d17251Schristosi2s_ASN1_OCTET_STRING, 10*b0d17251Schristoss2i_ASN1_OCTET_STRING, 11*b0d17251Schristosi2s_ASN1_ENUMERATED, 12*b0d17251Schristosi2s_ASN1_ENUMERATED_TABLE, 13*b0d17251Schristosi2s_ASN1_UTF8STRING, 14*b0d17251Schristoss2i_ASN1_UTF8STRING 15*b0d17251Schristos- convert objects from/to ASN.1/string representation 16*b0d17251Schristos 17*b0d17251Schristos=head1 SYNOPSIS 18*b0d17251Schristos 19*b0d17251Schristos #include <openssl/x509v3.h> 20*b0d17251Schristos 21*b0d17251Schristos char *i2s_ASN1_IA5STRING(X509V3_EXT_METHOD *method, ASN1_IA5STRING *ia5); 22*b0d17251Schristos ASN1_IA5STRING *s2i_ASN1_IA5STRING(X509V3_EXT_METHOD *method, 23*b0d17251Schristos X509V3_CTX *ctx, const char *str); 24*b0d17251Schristos char *i2s_ASN1_INTEGER(X509V3_EXT_METHOD *method, const ASN1_INTEGER *a); 25*b0d17251Schristos ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, const char *value); 26*b0d17251Schristos char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, 27*b0d17251Schristos const ASN1_OCTET_STRING *oct); 28*b0d17251Schristos ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, 29*b0d17251Schristos X509V3_CTX *ctx, const char *str); 30*b0d17251Schristos char *i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD *method, const ASN1_ENUMERATED *a); 31*b0d17251Schristos char *i2s_ASN1_ENUMERATED_TABLE(X509V3_EXT_METHOD *method, 32*b0d17251Schristos const ASN1_ENUMERATED *e); 33*b0d17251Schristos 34*b0d17251Schristos char *i2s_ASN1_UTF8STRING(X509V3_EXT_METHOD *method, 35*b0d17251Schristos ASN1_UTF8STRING *utf8); 36*b0d17251Schristos ASN1_UTF8STRING *s2i_ASN1_UTF8STRING(X509V3_EXT_METHOD *method, 37*b0d17251Schristos X509V3_CTX *ctx, const char *str); 38*b0d17251Schristos 39*b0d17251Schristos=head1 DESCRIPTION 40*b0d17251Schristos 41*b0d17251SchristosThese functions convert OpenSSL objects to and from their ASN.1/string 42*b0d17251Schristosrepresentation. This function is used for B<X509v3> extensions. 43*b0d17251Schristos 44*b0d17251Schristos=head1 NOTES 45*b0d17251Schristos 46*b0d17251SchristosThe letters B<i> and B<s> in B<i2s> and B<s2i> stand for 47*b0d17251Schristos"internal" (that is, an internal C structure) and string respectively. 48*b0d17251SchristosSo B<i2s_ASN1_IA5STRING>() converts from internal to string. 49*b0d17251Schristos 50*b0d17251SchristosIt is the caller's responsibility to free the returned string. 51*b0d17251SchristosIn the B<i2s_ASN1_IA5STRING>() function the string is copied and 52*b0d17251Schristosthe ownership of the original string remains with the caller. 53*b0d17251Schristos 54*b0d17251Schristos=head1 RETURN VALUES 55*b0d17251Schristos 56*b0d17251SchristosB<i2s_ASN1_IA5STRING>() returns the pointer to a IA5 string 57*b0d17251Schristosor NULL if an error occurs. 58*b0d17251Schristos 59*b0d17251SchristosB<s2i_ASN1_IA5STRING>() return a valid 60*b0d17251SchristosB<ASN1_IA5STRING> structure or NULL if an error occurs. 61*b0d17251Schristos 62*b0d17251SchristosB<i2s_ASN1_INTEGER>() return a valid 63*b0d17251Schristosstring or NULL if an error occurs. 64*b0d17251Schristos 65*b0d17251SchristosB<s2i_ASN1_INTEGER>() returns the pointer to a B<ASN1_INTEGER> 66*b0d17251Schristosstructure or NULL if an error occurs. 67*b0d17251Schristos 68*b0d17251SchristosB<i2s_ASN1_OCTET_STRING>() returns the pointer to a OCTET_STRING string 69*b0d17251Schristosor NULL if an error occurs. 70*b0d17251Schristos 71*b0d17251SchristosB<s2i_ASN1_OCTET_STRING>() return a valid 72*b0d17251SchristosB<ASN1_OCTET_STRING> structure or NULL if an error occurs. 73*b0d17251Schristos 74*b0d17251SchristosB<i2s_ASN1_ENUMERATED>() return a valid 75*b0d17251Schristosstring or NULL if an error occurs. 76*b0d17251Schristos 77*b0d17251SchristosB<s2i_ASN1_ENUMERATED>() returns the pointer to a B<ASN1_ENUMERATED> 78*b0d17251Schristosstructure or NULL if an error occurs. 79*b0d17251Schristos 80*b0d17251SchristosB<s2i_ASN1_UTF8STRING>() return a valid 81*b0d17251SchristosB<ASN1_UTF8STRING> structure or NULL if an error occurs. 82*b0d17251Schristos 83*b0d17251SchristosB<i2s_ASN1_UTF8STRING>() returns the pointer to a UTF-8 string 84*b0d17251Schristosor NULL if an error occurs. 85*b0d17251Schristos 86*b0d17251Schristos=head1 HISTORY 87*b0d17251Schristos 88*b0d17251Schristosi2s_ASN1_UTF8STRING() and s2i_ASN1_UTF8STRING() were made public in OpenSSL 3.0. 89*b0d17251Schristos 90*b0d17251Schristos=head1 COPYRIGHT 91*b0d17251Schristos 92*b0d17251SchristosCopyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved. 93*b0d17251Schristos 94*b0d17251SchristosLicensed under the Apache License 2.0 (the "License"). You may not use 95*b0d17251Schristosthis file except in compliance with the License. You can obtain a copy 96*b0d17251Schristosin the file LICENSE in the source distribution or at 97*b0d17251SchristosL<https://www.openssl.org/source/license.html>. 98*b0d17251Schristos 99*b0d17251Schristos=cut 100