mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-02 13:03:28 +01:00
143 lines
5.0 KiB
Plaintext
143 lines
5.0 KiB
Plaintext
=pod
|
|
|
|
=head1 NAME
|
|
|
|
X509_get0_signature, X509_REQ_set0_signature, X509_REQ_set1_signature_algo,
|
|
X509_get_signature_nid, X509_get0_tbs_sigalg, X509_REQ_get0_signature,
|
|
X509_REQ_get_signature_nid, X509_CRL_get0_signature, X509_CRL_get_signature_nid,
|
|
X509_get_signature_info, X509_SIG_INFO_get, X509_SIG_INFO_set - signature information
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
#include <openssl/x509.h>
|
|
|
|
void X509_get0_signature(const ASN1_BIT_STRING **psig,
|
|
const X509_ALGOR **palg,
|
|
const X509 *x);
|
|
void X509_REQ_set0_signature(X509_REQ *req, ASN1_BIT_STRING *psig);
|
|
int X509_REQ_set1_signature_algo(X509_REQ *req, X509_ALGOR *palg);
|
|
int X509_get_signature_nid(const X509 *x);
|
|
const X509_ALGOR *X509_get0_tbs_sigalg(const X509 *x);
|
|
|
|
void X509_REQ_get0_signature(const X509_REQ *crl,
|
|
const ASN1_BIT_STRING **psig,
|
|
const X509_ALGOR **palg);
|
|
int X509_REQ_get_signature_nid(const X509_REQ *crl);
|
|
|
|
void X509_CRL_get0_signature(const X509_CRL *crl,
|
|
const ASN1_BIT_STRING **psig,
|
|
const X509_ALGOR **palg);
|
|
int X509_CRL_get_signature_nid(const X509_CRL *crl);
|
|
|
|
int X509_get_signature_info(X509 *x, int *mdnid, int *pknid, int *secbits,
|
|
uint32_t *flags);
|
|
|
|
int X509_SIG_INFO_get(const X509_SIG_INFO *siginf, int *mdnid, int *pknid,
|
|
int *secbits, uint32_t *flags);
|
|
void X509_SIG_INFO_set(X509_SIG_INFO *siginf, int mdnid, int pknid,
|
|
int secbits, uint32_t flags);
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
X509_get0_signature() sets B<*psig> to the signature of B<x> and B<*palg>
|
|
to the signature algorithm of B<x>. The values returned are internal
|
|
pointers which B<MUST NOT> be freed up after the call.
|
|
|
|
X509_set0_signature() and X509_REQ_set1_signature_algo() are the
|
|
equivalent setters for the two values of X509_get0_signature().
|
|
|
|
X509_get0_tbs_sigalg() returns the signature algorithm in the signed
|
|
portion of B<x>.
|
|
|
|
X509_get_signature_nid() returns the NID corresponding to the signature
|
|
algorithm of B<x>.
|
|
|
|
X509_REQ_get0_signature(), X509_REQ_get_signature_nid()
|
|
X509_CRL_get0_signature() and X509_CRL_get_signature_nid() perform the
|
|
same function for certificate requests and CRLs.
|
|
|
|
X509_get_signature_info() retrieves information about the signature of
|
|
certificate B<x>. The NID of the signing digest is written to B<*mdnid>,
|
|
the public key algorithm to B<*pknid>, the effective security bits to
|
|
B<*secbits> and flag details to B<*flags>. Any of the parameters can
|
|
be set to B<NULL> if the information is not required.
|
|
|
|
X509_SIG_INFO_get() and X509_SIG_INFO_set() get and set information
|
|
about a signature in an B<X509_SIG_INFO> structure. They are only
|
|
used by implementations of algorithms which need to set custom
|
|
signature information: most applications will never need to call
|
|
them.
|
|
|
|
=head1 NOTES
|
|
|
|
These functions provide lower level access to signatures in certificates
|
|
where an application wishes to analyse or generate a signature in a form
|
|
where X509_sign() et al is not appropriate (for example a non standard
|
|
or unsupported format).
|
|
|
|
The security bits returned by X509_get_signature_info() refers to information
|
|
available from the certificate signature (such as the signing digest). In some
|
|
cases the actual security of the signature is less because the signing
|
|
key is less secure: for example a certificate signed using SHA-512 and a
|
|
1024 bit RSA key.
|
|
|
|
=head1 RETURN VALUES
|
|
|
|
X509_get_signature_nid(), X509_REQ_get_signature_nid() and
|
|
X509_CRL_get_signature_nid() return a NID.
|
|
|
|
X509_get0_signature(), X509_REQ_get0_signature() and
|
|
X509_CRL_get0_signature() do not return values.
|
|
|
|
X509_get_signature_info() returns 1 if the signature information
|
|
returned is valid or 0 if the information is not available (e.g.
|
|
unknown algorithms or malformed parameters).
|
|
|
|
X509_REQ_set1_signature_algo() returns 0 on success; or 1 on an
|
|
error (e.g. null ALGO pointer). X509_REQ_set0_signature does
|
|
not return an error value.
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<d2i_X509(3)>,
|
|
L<ERR_get_error(3)>,
|
|
L<X509_CRL_get0_by_serial(3)>,
|
|
L<X509_get_ext_d2i(3)>,
|
|
L<X509_get_extension_flags(3)>,
|
|
L<X509_get_pubkey(3)>,
|
|
L<X509_get_subject_name(3)>,
|
|
L<X509_get_version(3)>,
|
|
L<X509_NAME_add_entry_by_txt(3)>,
|
|
L<X509_NAME_ENTRY_get_object(3)>,
|
|
L<X509_NAME_get_index_by_NID(3)>,
|
|
L<X509_NAME_print_ex(3)>,
|
|
L<X509_new(3)>,
|
|
L<X509_sign(3)>,
|
|
L<X509V3_get_d2i(3)>,
|
|
L<X509_verify_cert(3)>
|
|
|
|
=head1 HISTORY
|
|
|
|
The
|
|
X509_get0_signature() and X509_get_signature_nid() functions were
|
|
added in OpenSSL 1.0.2.
|
|
|
|
The
|
|
X509_REQ_get0_signature(), X509_REQ_get_signature_nid(),
|
|
X509_CRL_get0_signature() and X509_CRL_get_signature_nid() were
|
|
added in OpenSSL 1.1.0.
|
|
|
|
The X509_REQ_set0_signature() and X509_REQ_set1_signature_algo()
|
|
were added in OpenSSL 1.1.1e.
|
|
|
|
=head1 COPYRIGHT
|
|
|
|
Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
|
|
|
|
Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
this file except in compliance with the License. You can obtain a copy
|
|
in the file LICENSE in the source distribution or at
|
|
L<https://www.openssl.org/source/license.html>.
|
|
|
|
=cut
|