mirror of
https://github.com/openssl/openssl.git
synced 2024-12-03 23:14:37 +08:00
27005cecc7
Reviewed-by: Neil Horman <nhorman@openssl.org> Reviewed-by: Shane Lontis <shane.lontis@oracle.com> (Merged from https://github.com/openssl/openssl/pull/24049)
102 lines
3.8 KiB
Plaintext
102 lines
3.8 KiB
Plaintext
=pod
|
|
|
|
=head1 NAME
|
|
|
|
EVP_PKEY_check, EVP_PKEY_param_check, EVP_PKEY_param_check_quick,
|
|
EVP_PKEY_public_check, EVP_PKEY_public_check_quick, EVP_PKEY_private_check,
|
|
EVP_PKEY_pairwise_check
|
|
- key and parameter validation functions
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
#include <openssl/evp.h>
|
|
|
|
int EVP_PKEY_check(EVP_PKEY_CTX *ctx);
|
|
int EVP_PKEY_param_check(EVP_PKEY_CTX *ctx);
|
|
int EVP_PKEY_param_check_quick(EVP_PKEY_CTX *ctx);
|
|
int EVP_PKEY_public_check(EVP_PKEY_CTX *ctx);
|
|
int EVP_PKEY_public_check_quick(EVP_PKEY_CTX *ctx);
|
|
int EVP_PKEY_private_check(EVP_PKEY_CTX *ctx);
|
|
int EVP_PKEY_pairwise_check(EVP_PKEY_CTX *ctx);
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
EVP_PKEY_param_check() validates the parameters component of the key
|
|
given by B<ctx>. This check will always succeed for key types that do not have
|
|
parameters.
|
|
|
|
EVP_PKEY_param_check_quick() validates the parameters component of the key
|
|
given by B<ctx> like EVP_PKEY_param_check() does. However some algorithm
|
|
implementations may offer a quicker form of validation that omits some checks in
|
|
order to perform a lightweight sanity check of the key. If a quicker form is not
|
|
provided then this function call does the same thing as EVP_PKEY_param_check().
|
|
|
|
EVP_PKEY_public_check() validates the public component of the key given by B<ctx>.
|
|
|
|
EVP_PKEY_public_check_quick() validates the public component of the key
|
|
given by B<ctx> like EVP_PKEY_public_check() does. However some algorithm
|
|
implementations may offer a quicker form of validation that omits some checks in
|
|
order to perform a lightweight sanity check of the key. If a quicker form is not
|
|
provided then this function call does the same thing as EVP_PKEY_public_check().
|
|
|
|
EVP_PKEY_private_check() validates the private component of the key given by B<ctx>.
|
|
|
|
EVP_PKEY_pairwise_check() validates that the public and private components have
|
|
the correct mathematical relationship to each other for the key given by B<ctx>.
|
|
|
|
EVP_PKEY_check() is an alias for the EVP_PKEY_pairwise_check() function.
|
|
|
|
=head1 NOTES
|
|
|
|
Key validation used by the OpenSSL FIPS provider complies with the rules
|
|
within SP800-56A and SP800-56B. For backwards compatibility reasons the OpenSSL
|
|
default provider may use checks that are not as restrictive for certain key types.
|
|
For further information see L<EVP_PKEY-DSA(7)/DSA key validation>,
|
|
L<EVP_PKEY-DH(7)/DH key validation>, L<EVP_PKEY-EC(7)/EC key validation> and
|
|
L<EVP_PKEY-RSA(7)/RSA key validation>.
|
|
|
|
Refer to SP800-56A and SP800-56B for rules relating to when these functions
|
|
should be called during key establishment.
|
|
It is not necessary to call these functions after locally calling an approved key
|
|
generation method, but may be required for assurance purposes when receiving
|
|
keys from a third party.
|
|
|
|
The EVP_PKEY_pairwise_check() and EVP_PKEY_private_check() might not be bounded
|
|
by any key size limits as private keys are not expected to be supplied by
|
|
attackers. For that reason they might take an unbounded time if run on
|
|
arbitrarily large keys.
|
|
|
|
=head1 RETURN VALUES
|
|
|
|
All functions return 1 for success or others for failure.
|
|
They return -2 if the operation is not supported for the specific algorithm.
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<EVP_PKEY_CTX_new(3)>,
|
|
L<EVP_PKEY_fromdata(3)>,
|
|
L<EVP_PKEY-DH(7)>,
|
|
L<EVP_PKEY-FFC(7)>,
|
|
L<EVP_PKEY-DSA(7)>,
|
|
L<EVP_PKEY-EC(7)>,
|
|
L<EVP_PKEY-RSA(7)>,
|
|
|
|
=head1 HISTORY
|
|
|
|
EVP_PKEY_check(), EVP_PKEY_public_check() and EVP_PKEY_param_check() were added
|
|
in OpenSSL 1.1.1.
|
|
|
|
EVP_PKEY_param_check_quick(), EVP_PKEY_public_check_quick(),
|
|
EVP_PKEY_private_check() and EVP_PKEY_pairwise_check() were added in OpenSSL 3.0.
|
|
|
|
=head1 COPYRIGHT
|
|
|
|
Copyright 2006-2021 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
|