1 files changed, 28 insertions, 0 deletions
diff --git a/include/crypto/serpent.h b/include/crypto/serpent.h
new file mode 100644
index 000000000..7dd780c5d
--- /dev/null
+++ b/include/crypto/serpent.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Common values for serpent algorithms
+ */
+
+#ifndef _CRYPTO_SERPENT_H
+#define _CRYPTO_SERPENT_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+
+#define SERPENT_MIN_KEY_SIZE		  0
+#define SERPENT_MAX_KEY_SIZE		 32
+#define SERPENT_EXPKEY_WORDS		132
+#define SERPENT_BLOCK_SIZE		 16
+
+struct serpent_ctx {
+	u32 expkey[SERPENT_EXPKEY_WORDS];
+};
+
+int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key,
+		     unsigned int keylen);
+int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
+
+void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
+void __serpent_decrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
+
+#endif