1 files changed, 8 insertions, 0 deletions

diff --git a/src/lib/libcrypto/ecdh/ech_locl.h b/src/lib/libcrypto/ecdh/ech_locl.h
index f658526a7e..f6cad6a894 100644
--- a/src/lib/libcrypto/ecdh/ech_locl.h
+++ b/src/lib/libcrypto/ecdh/ech_locl.h
@@ -75,6 +75,14 @@ struct ecdh_method
         char *app_data;
         };
 
+/* If this flag is set the ECDH method is FIPS compliant and can be used
+ * in FIPS mode. This is set in the validated module method. If an
+ * application sets this flag in its own methods it is its responsibility
+ * to ensure the result is compliant.
+ */
+
+#define ECDH_FLAG_FIPS_METHOD   0x1
+
 typedef struct ecdh_data_st {
         /* EC_KEY_METH_DATA part */
         int (*init)(EC_KEY *);