1 files changed, 46 insertions, 0 deletions
diff --git a/core/io/aes256.h b/core/io/aes256.h
new file mode 100644
index 0000000000..180352e970
--- /dev/null
+++ b/core/io/aes256.h
@@ -0,0 +1,46 @@
+/*  
+*   Byte-oriented AES-256 implementation.
+*   All lookup tables replaced with 'on the fly' calculations. 
+*
+*   Copyright (c) 2007-2009 Ilya O. Levin, http://www.literatecode.com
+*   Other contributors: Hal Finney
+*
+*   Permission to use, copy, modify, and distribute this software for any
+*   purpose with or without fee is hereby granted, provided that the above
+*   copyright notice and this permission notice appear in all copies.
+*
+*   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+*   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+*   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+*   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+*   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+*   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+*   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef AES_256_H
+#define AES_256_H
+
+#include "typedefs.h"
+
+#ifdef __cplusplus
+extern "C" { 
+#endif
+
+    typedef struct {
+        uint8_t key[32]; 
+        uint8_t enckey[32]; 
+        uint8_t deckey[32];
+    } aes256_context; 
+
+
+    void aes256_init(aes256_context *, uint8_t * /* key */);
+    void aes256_done(aes256_context *);
+    void aes256_encrypt_ecb(aes256_context *, uint8_t * /* plaintext */);
+    void aes256_decrypt_ecb(aes256_context *, uint8_t * /* cipertext */);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif