crypto: blowfish - split generic and common c code

Patch splits up the blowfish crypto routine into a common part (key setup)
which will be used by blowfish crypto modules (x86_64 assembly and generic-c).

Also fixes errors/warnings reported by checkpatch.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 23 insertions, 0 deletions

diff --git a/include/crypto/blowfish.h b/include/crypto/blowfish.h
new file mode 100644
index 000000000000..1450d4a27980
--- /dev/null
+++ b/include/crypto/blowfish.h
@@ -0,0 +1,23 @@
+/*
+ * Common values for blowfish algorithms
+ */
+
+#ifndef _CRYPTO_BLOWFISH_H
+#define _CRYPTO_BLOWFISH_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+
+#define BF_BLOCK_SIZE 8
+#define BF_MIN_KEY_SIZE 4
+#define BF_MAX_KEY_SIZE 56
+
+struct bf_ctx {
+        u32 p[18];
+        u32 s[1024];
+};
+
+int blowfish_setkey(struct crypto_tfm *tfm, const u8 *key,
+                    unsigned int key_len);
+
+#endif