Check fips method flags for ECDH, ECDSA.

4 files changed, 21 insertions, 1 deletions

diff --git a/crypto/ecdh/ecdh.h b/crypto/ecdh/ecdh.h
index b4b58ee65b..8887102c0b 100644
--- a/crypto/ecdh/ecdh.h
+++ b/crypto/ecdh/ecdh.h
@@ -109,11 +109,13 @@ void ERR_load_ECDH_strings(void);
 /* Error codes for the ECDH functions. */
 
 /* Function codes. */
+#define ECDH_F_ECDH_CHECK				 102
 #define ECDH_F_ECDH_COMPUTE_KEY				 100
 #define ECDH_F_ECDH_DATA_NEW_METHOD			 101
 
 /* Reason codes. */
 #define ECDH_R_KDF_FAILED				 102
+#define ECDH_R_NON_FIPS_METHOD				 103
 #define ECDH_R_NO_PRIVATE_VALUE				 100
 #define ECDH_R_POINT_ARITHMETIC_FAILURE			 101
 
diff --git a/crypto/ecdh/ech_err.c b/crypto/ecdh/ech_err.c
index 6f4b0c9953..3bd247398d 100644
--- a/crypto/ecdh/ech_err.c
+++ b/crypto/ecdh/ech_err.c
@@ -1,6 +1,6 @@
 /* crypto/ecdh/ech_err.c */
 /* ====================================================================
- * Copyright (c) 1999-2006 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2011 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -70,6 +70,7 @@
 
 static ERR_STRING_DATA ECDH_str_functs[]=
 	{
+{ERR_FUNC(ECDH_F_ECDH_CHECK),	"ECDH_CHECK"},
 {ERR_FUNC(ECDH_F_ECDH_COMPUTE_KEY),	"ECDH_compute_key"},
 {ERR_FUNC(ECDH_F_ECDH_DATA_NEW_METHOD),	"ECDH_DATA_new_method"},
 {0,NULL}
@@ -78,6 +79,7 @@ static ERR_STRING_DATA ECDH_str_functs[]=
 static ERR_STRING_DATA ECDH_str_reasons[]=
 	{
 {ERR_REASON(ECDH_R_KDF_FAILED)           ,"KDF failed"},
+{ERR_REASON(ECDH_R_NON_FIPS_METHOD)      ,"non fips method"},
 {ERR_REASON(ECDH_R_NO_PRIVATE_VALUE)     ,"no private value"},
 {ERR_REASON(ECDH_R_POINT_ARITHMETIC_FAILURE),"point arithmetic failure"},
 {0,NULL}
diff --git a/crypto/ecdh/ech_lib.c b/crypto/ecdh/ech_lib.c
index 49c0e41d14..568392bdd4 100644
--- a/crypto/ecdh/ech_lib.c
+++ b/crypto/ecdh/ech_lib.c
@@ -225,6 +225,14 @@ ECDH_DATA *ecdh_check(EC_KEY *key)
 	}
 	else
 		ecdh_data = (ECDH_DATA *)data;
+#ifdef OPENSSL_FIPS
+	if (FIPS_mode() && !(ecdh_data->flags & ECDH_FLAG_FIPS_METHOD)
+			&& !(EC_KEY_get_flags(key) & EC_FLAG_NON_FIPS_ALLOW))
+		{
+		ECDHerr(ECDH_F_ECDH_CHECK, ECDH_R_NON_FIPS_METHOD);
+		return NULL;
+		}
+#endif
 	
 
 	return ecdh_data;
diff --git a/crypto/ecdh/ech_locl.h b/crypto/ecdh/ech_locl.h
index f658526a7e..f6cad6a894 100644
--- a/crypto/ecdh/ech_locl.h
+++ b/crypto/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 *);