openssl/include/crypto/dherr.h
Richard Levitte ec061bf8ff Make DH_check_pub_key() and DH_generate_key() safer yet
We already check for an excessively large P in DH_generate_key(), but not in
DH_check_pub_key(), and none of them check for an excessively large Q.

This change adds all the missing excessive size checks of P and Q.

It's to be noted that behaviours surrounding excessively sized P and Q
differ.  DH_check() raises an error on the excessively sized P, but only
sets a flag for the excessively sized Q.  This behaviour is mimicked in
DH_check_pub_key().

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22453)
2023-11-06 07:55:01 +00:00

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C

/*
* Generated by util/mkerr.pl DO NOT EDIT
* Copyright 2020-2023 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
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_CRYPTO_DHERR_H
# define OSSL_CRYPTO_DHERR_H
# pragma once
# include <openssl/opensslconf.h>
# include <openssl/symhacks.h>
# ifdef __cplusplus
extern "C" {
# endif
# ifndef OPENSSL_NO_DH
int ossl_err_load_DH_strings(void);
# endif
# ifdef __cplusplus
}
# endif
#endif