From 2b49b906729644dd4696b9291b7e2f6cd1266dc0 Mon Sep 17 00:00:00 2001 From: Johannes Goetzfried Date: Wed, 11 Jul 2012 19:38:12 +0200 Subject: crypto: cast6 - prepare generic module for optimized implementations Rename cast6 module to cast6_generic to allow autoloading of optimized implementations. Generic functions and s-boxes are exported to be able to use them within optimized implementations. Signed-off-by: Johannes Goetzfried Signed-off-by: Herbert Xu --- include/crypto/cast6.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 include/crypto/cast6.h (limited to 'include/crypto/cast6.h') 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 +#include + +#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 -- cgit v1.2.3