Some arc4 cipher algorithm defines show up in two places:
crypto/arc4.c and drivers/crypto/bcm/cipher.h.
Let's export them in a common header and update their users.
Signed-off-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
---
crypto/arc4.c | 5 +----
drivers/crypto/bcm/cipher.h | 4 +---
include/crypto/arc4.h | 13 +++++++++++++
3 files changed, 15 insertions(+), 7 deletions(-)
create mode 100644 include/crypto/arc4.h
diff --git a/crypto/arc4.c b/crypto/arc4.c
index 652d243..6c93342 100644
--- a/crypto/arc4.c
+++ b/crypto/arc4.c
@@ -13,14 +13,11 @@
*/
#include <crypto/algapi.h>
+#include <crypto/arc4.h>
#include <crypto/internal/skcipher.h>
#include <linux/init.h>
#include <linux/module.h>
-#define ARC4_MIN_KEY_SIZE 1
-#define ARC4_MAX_KEY_SIZE 256
-#define ARC4_BLOCK_SIZE 1
-
struct arc4_ctx {
u32 S[256];
u32 x, y;
diff --git a/drivers/crypto/bcm/cipher.h b/drivers/crypto/bcm/cipher.h
index 763c425..f6da497 100644
--- a/drivers/crypto/bcm/cipher.h
+++ b/drivers/crypto/bcm/cipher.h
@@ -23,6 +23,7 @@
#include <crypto/aes.h>
#include <crypto/internal/hash.h>
#include <crypto/aead.h>
+#include <crypto/arc4.h>
#include <crypto/gcm.h>
#include <crypto/sha.h>
#include <crypto/sha3.h>
@@ -34,9 +35,6 @@
/* Driver supports up to MAX_SPUS SPU blocks */
#define MAX_SPUS 16
-#define ARC4_MIN_KEY_SIZE 1
-#define ARC4_MAX_KEY_SIZE 256
-#define ARC4_BLOCK_SIZE 1
#define ARC4_STATE_SIZE 4
#define CCM_AES_IV_SIZE 16
diff --git a/include/crypto/arc4.h b/include/crypto/arc4.h
new file mode 100644
index 0000000..5b2c24a
--- /dev/null
+++ b/include/crypto/arc4.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Common values for ARC4 Cipher Algorithm
+ */
+
+#ifndef _CRYPTO_ARC4_H
+#define _CRYPTO_ARC4_H
+
+#define ARC4_MIN_KEY_SIZE 1
+#define ARC4_MAX_KEY_SIZE 256
+#define ARC4_BLOCK_SIZE 1
+
+#endif /* _CRYPTO_ARC4_H */
--
2.1.0
