1=pod 2 3=head1 NAME 4 5X509_get0_uids, X509_ACERT_get0_issuerUID 6- get certificate and attribute certificate unique identifiers 7 8=head1 SYNOPSIS 9 10 #include <openssl/x509.h> 11 12 void X509_get0_uids(const X509 *x, const ASN1_BIT_STRING **piuid, 13 const ASN1_BIT_STRING **psuid); 14 15 #include <openssl/x509_acert.h> 16 17 ASN1_BIT_STRING *X509_ACERT_get0_issuerUID(X509_ACERT *x); 18=head1 DESCRIPTION 19 20X509_get0_uids() sets B<*piuid> and B<*psuid> to the issuer and subject unique 21identifiers of certificate B<x> or NULL if the fields are not present. 22 23X509_ACERT_get0_issuerUID() returns the issuer unique identifier of the 24attribute certificate B<x> or NULL if the field is not present. 25 26=head1 NOTES 27 28The issuer and subject unique identifier fields are very rarely encountered in 29practice outside test cases. 30 31=head1 RETURN VALUES 32 33X509_get0_uids() does not return a value. 34 35X509_ACERT_get0_issuerUID() returns a unique identifier on success or NULL 36on failure. 37 38=head1 SEE ALSO 39 40L<d2i_X509(3)>, 41L<ERR_get_error(3)>, 42L<X509_CRL_get0_by_serial(3)>, 43L<X509_get0_signature(3)>, 44L<X509_get_ext_d2i(3)>, 45L<X509_get_extension_flags(3)>, 46L<X509_get_pubkey(3)>, 47L<X509_get_subject_name(3)>, 48L<X509_get_version(3)>, 49L<X509_NAME_add_entry_by_txt(3)>, 50L<X509_NAME_ENTRY_get_object(3)>, 51L<X509_NAME_get_index_by_NID(3)>, 52L<X509_NAME_print_ex(3)>, 53L<X509_new(3)>, 54L<X509_sign(3)>, 55L<X509V3_get_d2i(3)>, 56L<X509_verify_cert(3)> 57 58=head1 HISTORY 59 60X509_get0_uids() was added in OpenSSL 1.1.0. 61 62X509_ACERT_get0_issuerUID() was added in OpenSSL 3.4. 63 64=head1 COPYRIGHT 65 66Copyright 2015-2024 The OpenSSL Project Authors. All Rights Reserved. 67 68Licensed under the Apache License 2.0 (the "License"). You may not use 69this file except in compliance with the License. You can obtain a copy 70in the file LICENSE in the source distribution or at 71L<https://www.openssl.org/source/license.html>. 72 73=cut 74