crypto: export NULL algorithms defines

These defines might be needed by crypto drivers.

Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/crypto/crypto_null.c b/crypto/crypto_null.c
index fee7265..1dc54bb 100644 (file)
--- a/crypto/crypto_null.c
+++ b/crypto/crypto_null.c
@@ -17,6 +17,7 @@
  *
  */
 
+#include <crypto/null.h>
 #include <crypto/internal/hash.h>
 #include <crypto/internal/skcipher.h>
 #include <linux/init.h>
@@ -24,11 +25,6 @@
 #include <linux/mm.h>
 #include <linux/string.h>
 
-#define NULL_KEY_SIZE          0
-#define NULL_BLOCK_SIZE                1
-#define NULL_DIGEST_SIZE       0
-#define NULL_IV_SIZE           0
-
 static int null_compress(struct crypto_tfm *tfm, const u8 *src,
                         unsigned int slen, u8 *dst, unsigned int *dlen)
 {

diff --git a/include/crypto/null.h b/include/crypto/null.h
new file mode 100644 (file)
index 0000000..b7c864c
--- /dev/null
+++ b/include/crypto/null.h
@@ -0,0 +1,11 @@
+/* Values for NULL algorithms */
+
+#ifndef _CRYPTO_NULL_H
+#define _CRYPTO_NULL_H
+
+#define NULL_KEY_SIZE          0
+#define NULL_BLOCK_SIZE                1
+#define NULL_DIGEST_SIZE       0
+#define NULL_IV_SIZE           0
+
+#endif