crypto: serpent - export common functions for x86_64/i386-sse2 assembler implementations
Serpent SSE2 assembler implementations only provide 4-way/8-way parallel
functions and need setkey and one-block encrypt/decrypt functions.
CC: Dag Arne Osvik <osvik@ii.uib.no>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/crypto/serpent.h b/include/crypto/serpent.h
new file mode 100644
index 0000000..40df885
--- /dev/null
+++ b/include/crypto/serpent.h
@@ -0,0 +1,25 @@
+/*
+ * 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 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