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-rw-r--r--include/crypto/cast5.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/crypto/cast5.h b/include/crypto/cast5.h
new file mode 100644
index 0000000..586183a
--- /dev/null
+++ b/include/crypto/cast5.h
@@ -0,0 +1,27 @@
+#ifndef _CRYPTO_CAST5_H
+#define _CRYPTO_CAST5_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+
+#define CAST5_BLOCK_SIZE 8
+#define CAST5_MIN_KEY_SIZE 5
+#define CAST5_MAX_KEY_SIZE 16
+
+struct cast5_ctx {
+ u32 Km[16];
+ u8 Kr[16];
+ int rr; /* rr ? rounds = 12 : rounds = 16; (rfc 2144) */
+};
+
+int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
+
+void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
+void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
+
+extern const u32 cast5_s1[256];
+extern const u32 cast5_s2[256];
+extern const u32 cast5_s3[256];
+extern const u32 cast5_s4[256];
+
+#endif
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