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X509_GET_SUBJECT_NAME(3) Library Functions Manual X509_GET_SUBJECT_NAME(3)

X509_get_subject_name, X509_set_subject_name, X509_get_issuer_name, X509_set_issuer_name, X509_REQ_get_subject_name, X509_REQ_set_subject_name, X509_CRL_get_issuer, X509_CRL_set_issuer_name
get and set issuer or subject names

#include <openssl/x509.h>
X509_NAME *
X509_get_subject_name(const X509 *x);
X509_set_subject_name(X509 *x, X509_NAME *name);
X509_NAME *
X509_get_issuer_name(const X509 *x);
X509_set_issuer_name(X509 *x, X509_NAME *name);
X509_NAME *
X509_REQ_get_subject_name(const X509_REQ *req);
X509_REQ_set_subject_name(X509_REQ *req, X509_NAME *name);
X509_NAME *
X509_CRL_get_issuer(const X509_CRL *crl);
X509_CRL_set_issuer_name(X509_CRL *x, X509_NAME *name);

X509_get_subject_name() returns the subject name of certificate x. The returned value is an internal pointer which must not be freed.
X509_set_subject_name() sets the issuer name of certificate x to name. The name parameter is copied internally and should be freed up when it is no longer needed.
X509_get_issuer_name() and X509_set_issuer_name() are identical to X509_get_subject_name() and X509_set_subject_name() except that they get and set the issuer name of x.
Similarly X509_REQ_get_subject_name(), X509_REQ_set_subject_name(), X509_CRL_get_issuer(), and X509_CRL_set_issuer_name() get or set the subject or issuer names of certificate requests of CRLs, respectively.
X509_REQ_get_subject_name() and X509_CRL_get_issuer() are implemented as macros.

X509_get_subject_name(), X509_get_issuer_name(), X509_REQ_get_subject_name(), and X509_CRL_get_issuer() return a pointer to an X509_NAME object.
X509_set_subject_name(), X509_set_issuer_name(), X509_REQ_set_subject_name(), and X509_CRL_set_issuer_name() return 1 for success or 0 for failure.

d2i_X509_NAME(3), ERR_get_error(3), X509_CRL_get0_by_serial(3), X509_get_pubkey(3), X509_NAME_add_entry_by_txt(3), X509_NAME_ENTRY_get_object(3), X509_NAME_get_index_by_NID(3), X509_NAME_new(3), X509_NAME_print_ex(3), X509_new(3), X509_sign(3), X509_verify_cert(3), X509V3_get_d2i(3)

X509_get_subject_name() and X509_get_issuer_name() appeared in SSLeay 0.4 or earlier. X509_set_subject_name(), X509_set_issuer_name(), X509_REQ_get_subject_name(), and X509_REQ_set_subject_name() first appeared in SSLeay 0.6.5. These functions have been available since OpenBSD 2.4.
X509_CRL_get_issuer() first appeared in OpenSSL 0.9.2b and has been available since OpenBSD 2.6.
X509_CRL_set_issuer_name() first appeared in OpenSSL 0.9.7 and has been available since OpenBSD 3.2.
May 13, 2018 OpenBSD-current