1 files changed, 17 insertions, 0 deletions

diff --git a/src/lib/libcrypto/dh/dh_gen.c b/src/lib/libcrypto/dh/dh_gen.c
index cfd5b11868..7b1fe9c9cb 100644
--- a/src/lib/libcrypto/dh/dh_gen.c
+++ b/src/lib/libcrypto/dh/dh_gen.c
@@ -66,12 +66,29 @@
 #include <openssl/bn.h>
 #include <openssl/dh.h>
 
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#endif
+
 static int dh_builtin_genparams(DH *ret, int prime_len, int generator, BN_GENCB *cb);
 
 int DH_generate_parameters_ex(DH *ret, int prime_len, int generator, BN_GENCB *cb)
         {
+#ifdef OPENSSL_FIPS
+        if (FIPS_mode() && !(ret->meth->flags & DH_FLAG_FIPS_METHOD)
+                        && !(ret->flags & DH_FLAG_NON_FIPS_ALLOW))
+                {
+                DHerr(DH_F_DH_GENERATE_PARAMETERS_EX, DH_R_NON_FIPS_METHOD);
+                return 0;
+                }
+#endif
         if(ret->meth->generate_params)
                 return ret->meth->generate_params(ret, prime_len, generator, cb);
+#ifdef OPENSSL_FIPS
+        if (FIPS_mode())
+                return FIPS_dh_generate_parameters_ex(ret, prime_len,
+                                                        generator, cb);
+#endif
         return dh_builtin_genparams(ret, prime_len, generator, cb);
         }