add null cipher to FIPS module

Makefile.fips

@@ -329,6 +329,7 @@ FIPS_EX_OBJ= ../crypto/aes/aes_cfb.o \
 	../crypto/ecdsa/ecs_ossl.o \
 	../crypto/evp/e_aes.o \
 	../crypto/evp/e_des3.o \
+	../crypto/evp/e_null.o \
 	../crypto/evp/m_sha1.o \
 	../crypto/evp/m_dss1.o \
 	../crypto/evp/m_dss.o \

Makefile.org

@@ -322,6 +322,7 @@ FIPS_EX_OBJ= ../crypto/aes/aes_cfb.o \
 	../crypto/ecdsa/ecs_ossl.o \
 	../crypto/evp/e_aes.o \
 	../crypto/evp/e_des3.o \
+	../crypto/evp/e_null.o \
 	../crypto/evp/m_sha1.o \
 	../crypto/evp/m_dss1.o \
 	../crypto/evp/m_dss.o \

crypto/evp/e_null.c

@@ -69,7 +69,7 @@ static const EVP_CIPHER n_cipher=
 	{
 	NID_undef,
 	1,0,0,
-	0,
+	EVP_CIPH_FLAG_FIPS,
 	null_init_key,
 	null_cipher,
 	NULL,

fips/fipssyms.h

@@ -342,6 +342,7 @@
 #define EVP_des_ede_cfb64 FIPS_evp_des_ede_cfb64
 #define EVP_des_ede_ecb FIPS_evp_des_ede_ecb
 #define EVP_des_ede_ofb FIPS_evp_des_ede_ofb
+#define EVP_null FIPS_evp_null
 #define EVP_sha1 FIPS_evp_sha1
 #define EVP_dss FIPS_evp_dss
 #define EVP_dss1 FIPS_evp_dss1