X509_get0_uids.3ossl - Man Page

get certificate and attribute certificate unique identifiers

Synopsis

 #include <openssl/x509.h>

 void X509_get0_uids(const X509 *x, const ASN1_BIT_STRING **piuid,
                     const ASN1_BIT_STRING **psuid);

 #include <openssl/x509_acert.h>

 ASN1_BIT_STRING *X509_ACERT_get0_issuerUID(X509_ACERT *x);
=head1 DESCRIPTION

X509_get0_uids() sets *piuid and *psuid to the issuer and subject unique identifiers of certificate x or NULL if the fields are not present.

X509_ACERT_get0_issuerUID() returns the issuer unique identifier of the attribute certificate x or NULL if the field is not present.

Notes

The issuer and subject unique identifier fields are very rarely encountered in practice outside test cases.

Return Values

X509_get0_uids() does not return a value.

X509_ACERT_get0_issuerUID() returns a unique identifier on success or NULL on failure.

See Also

d2i_X509(3), ERR_get_error(3), X509_CRL_get0_by_serial(3), X509_get0_signature(3), X509_get_ext_d2i(3), X509_get_extension_flags(3), X509_get_pubkey(3), X509_get_subject_name(3), X509_get_version(3), X509_NAME_add_entry_by_txt(3), X509_NAME_ENTRY_get_object(3), X509_NAME_get_index_by_NID(3), X509_NAME_print_ex(3), X509_new(3), X509_sign(3), X509V3_get_d2i(3), X509_verify_cert(3)

History

X509_get0_uids() was added in OpenSSL 1.1.0.

X509_ACERT_get0_issuerUID() was added in OpenSSL 3.4.

Referenced By

The man page X509_ACERT_get0_issuerUID.3ossl(3) is an alias of X509_get0_uids.3ossl(3).

2025-04-15 3.5.0 OpenSSL