1 files changed, 41 insertions, 0 deletions
diff --git a/src/crypto/ctaes/ctaes.h b/src/crypto/ctaes/ctaes.h
new file mode 100644
index 0000000000..2f0af04216
--- /dev/null
+++ b/src/crypto/ctaes/ctaes.h
@@ -0,0 +1,41 @@
+ /*********************************************************************
+ * Copyright (c) 2016 Pieter Wuille                                   *
+ * Distributed under the MIT software license, see the accompanying   *
+ * file COPYING or http://www.opensource.org/licenses/mit-license.php.*
+ **********************************************************************/
+
+#ifndef _CTAES_H_
+#define _CTAES_H_ 1
+
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct {
+    uint16_t slice[8];
+} AES_state;
+
+typedef struct {
+    AES_state rk[11];
+} AES128_ctx;
+
+typedef struct {
+    AES_state rk[13];
+} AES192_ctx;
+
+typedef struct {
+    AES_state rk[15];
+} AES256_ctx;
+
+void AES128_init(AES128_ctx* ctx, const unsigned char* key16);
+void AES128_encrypt(const AES128_ctx* ctx, size_t blocks, unsigned char* cipher16, const unsigned char* plain16);
+void AES128_decrypt(const AES128_ctx* ctx, size_t blocks, unsigned char* plain16, const unsigned char* cipher16);
+
+void AES192_init(AES192_ctx* ctx, const unsigned char* key24);
+void AES192_encrypt(const AES192_ctx* ctx, size_t blocks, unsigned char* cipher16, const unsigned char* plain16);
+void AES192_decrypt(const AES192_ctx* ctx, size_t blocks, unsigned char* plain16, const unsigned char* cipher16);
+
+void AES256_init(AES256_ctx* ctx, const unsigned char* key32);
+void AES256_encrypt(const AES256_ctx* ctx, size_t blocks, unsigned char* cipher16, const unsigned char* plain16);
+void AES256_decrypt(const AES256_ctx* ctx, size_t blocks, unsigned char* plain16, const unsigned char* cipher16);
+
+#endif