crypto: sha1_generic - Add export/import support
This patch adds export/import support to sha1_generic. The exported
type is defined by struct sha1_state, which is basically the entire
descriptor state of sha1_generic.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/crypto/sha.h b/include/crypto/sha.h
index c0ccc2b..922a248 100644
--- a/include/crypto/sha.h
+++ b/include/crypto/sha.h
@@ -5,6 +5,8 @@
#ifndef _CRYPTO_SHA_H
#define _CRYPTO_SHA_H
+#include <linux/types.h>
+
#define SHA1_DIGEST_SIZE 20
#define SHA1_BLOCK_SIZE 64
@@ -62,4 +64,10 @@
#define SHA512_H6 0x1f83d9abfb41bd6bULL
#define SHA512_H7 0x5be0cd19137e2179ULL
+struct sha1_state {
+ u64 count;
+ u32 state[SHA1_DIGEST_SIZE / 4];
+ u8 buffer[SHA1_BLOCK_SIZE];
+};
+
#endif