- import of strongswan-2.7.0

- applied patch for charon

lib/libcrypto/libtwofish/twofish.h

@@ -0,0 +1,20 @@
+#ifndef TWOFISH_H
+#define TWOFISH_H
+#ifdef __KERNEL__
+#include <linux/types.h>
+#else
+#include <sys/types.h>
+#endif
+/* Structure for an expanded Twofish key.  s contains the key-dependent
+ * S-boxes composed with the MDS matrix; w contains the eight "whitening"
+ * subkeys, K[0] through K[7].	k holds the remaining, "round" subkeys.  Note
+ * that k[i] corresponds to what the Twofish paper calls K[i+8]. */
+typedef struct {
+   u_int32_t s[4][256], w[8], k[32];
+} TWOFISH_context;
+
+typedef TWOFISH_context twofish_context;
+int twofish_set_key(twofish_context *tf_ctx, const u_int8_t * in_key, int key_len);
+int twofish_encrypt(twofish_context *tf_ctx, const u_int8_t * in, u_int8_t * out);
+int twofish_decrypt(twofish_context * tf_ctx, const u_int8_t * in, u_int8_t * out);
+#endif /* TWOFISH_H */