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authorJohannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>2012-07-11 19:38:12 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2012-08-01 17:47:30 +0800
commit2b49b906729644dd4696b9291b7e2f6cd1266dc0 (patch)
tree23efa38a81d4c7da484307ace9d37b137ced8efe /include/crypto/cast6.h
parent4d6d6a2c850f89bc9283d02519cb536baba72032 (diff)
downloadlinux-stericsson-2b49b906729644dd4696b9291b7e2f6cd1266dc0.tar.gz
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 <Johannes.Goetzfried@informatik.stud.uni-erlangen.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto/cast6.h')
-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