X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=include%2Fopenssl%2Fdh.h;h=67ba0aa6875f3b54a2b68f63b2b311ae10691008;hp=d17f01334fd279916e06f5aa2e665bb4971fc062;hb=HEAD;hpb=76e48c9d6667391189e22d674b2b3b8161ab9442

diff --git a/include/openssl/dh.h b/include/openssl/dh.h
index d17f01334f..97024929a4 100644
--- a/include/openssl/dh.h
+++ b/include/openssl/dh.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2023 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
@@ -25,7 +25,11 @@ extern "C" {
 
 #include <stdlib.h>
 
-/* DH parameter generation types used by EVP_PKEY_CTX_set_dh_paramgen_type() */
+/*
+ * DH parameter generation types used by EVP_PKEY_CTX_set_dh_paramgen_type()
+ * Note that additions/changes to this set of values requires corresponding
+ * adjustments to range checks in dh_gen()
+ */
 # define DH_PARAMGEN_TYPE_GENERATOR     0   /* Use a safe prime generator */
 # define DH_PARAMGEN_TYPE_FIPS_186_2    1   /* Use FIPS186-2 standard */
 # define DH_PARAMGEN_TYPE_FIPS_186_4    2   /* Use FIPS186-4 standard */
@@ -79,6 +83,9 @@ int EVP_PKEY_CTX_get0_dh_kdf_ukm(EVP_PKEY_CTX *ctx, unsigned char **ukm);
 # define EVP_PKEY_DH_KDF_NONE                            1
 # define EVP_PKEY_DH_KDF_X9_42                           2
 
+# ifndef OPENSSL_NO_STDIO
+#  include <stdio.h>
+# endif
 # ifndef OPENSSL_NO_DH
 #  include <openssl/e_os2.h>
 #  include <openssl/bio.h>
@@ -89,7 +96,11 @@ int EVP_PKEY_CTX_get0_dh_kdf_ukm(EVP_PKEY_CTX *ctx, unsigned char **ukm);
 #  include <openssl/dherr.h>
 
 #  ifndef OPENSSL_DH_MAX_MODULUS_BITS
-#   define OPENSSL_DH_MAX_MODULUS_BITS    10000
+#   define OPENSSL_DH_MAX_MODULUS_BITS        10000
+#  endif
+
+#  ifndef OPENSSL_DH_CHECK_MAX_MODULUS_BITS
+#   define OPENSSL_DH_CHECK_MAX_MODULUS_BITS  32768
 #  endif
 
 #  define OPENSSL_DH_FIPS_MIN_MODULUS_BITS 1024
@@ -137,7 +148,7 @@ DECLARE_ASN1_ITEM(DHparams)
 #   define DH_GENERATOR_3          3
 #   define DH_GENERATOR_5          5
 
-/* DH_check error codes */
+/* DH_check error codes, some of them shared with DH_check_pub_key */
 /*
  * NB: These values must align with the equivalently named macros in
  * internal/ffc.h.
@@ -147,10 +158,10 @@ DECLARE_ASN1_ITEM(DHparams)
 #   define DH_UNABLE_TO_CHECK_GENERATOR    0x04
 #   define DH_NOT_SUITABLE_GENERATOR       0x08
 #   define DH_CHECK_Q_NOT_PRIME            0x10
-#   define DH_CHECK_INVALID_Q_VALUE        0x20
+#   define DH_CHECK_INVALID_Q_VALUE        0x20 /* +DH_check_pub_key */
 #   define DH_CHECK_INVALID_J_VALUE        0x40
 #   define DH_MODULUS_TOO_SMALL            0x80
-#   define DH_MODULUS_TOO_LARGE            0x100
+#   define DH_MODULUS_TOO_LARGE            0x100 /* +DH_check_pub_key */
 
 /* DH_check_pub_key error codes */
 #   define DH_CHECK_PUBKEY_TOO_SMALL       0x01