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-rw-r--r--include/crypto/cast6.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/crypto/cast6.h b/include/crypto/cast6.h
new file mode 100644
index 000000000000..02dde6b77e15
--- /dev/null
+++ b/include/crypto/cast6.h
@@ -0,0 +1,23 @@
+#ifndef _CRYPTO_CAST6_H
+#define _CRYPTO_CAST6_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+
+#define CAST6_BLOCK_SIZE 16
+#define CAST6_MIN_KEY_SIZE 16
+#define CAST6_MAX_KEY_SIZE 32
+
+struct cast6_ctx {
+ u32 Km[12][4];
+ u8 Kr[12][4];
+};
+
+int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key,
+ unsigned int keylen, u32 *flags);
+int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
+
+void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
+void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
+
+#endif
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