--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2018 Merlok
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// crypto commands
+//-----------------------------------------------------------------------------
+
+#ifndef LIBPCRYPTO_H
+#define LIBPCRYPTO_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+extern int aes_encode(uint8_t *iv, uint8_t *key, uint8_t *input, uint8_t *output, int length);
+extern int aes_decode(uint8_t *iv, uint8_t *key, uint8_t *input, uint8_t *output, int length);
+extern int aes_cmac(uint8_t *iv, uint8_t *key, uint8_t *input, uint8_t *mac, int length);
+extern int aes_cmac8(uint8_t *iv, uint8_t *key, uint8_t *input, uint8_t *mac, int length);
+
+extern int sha256hash(uint8_t *input, int length, uint8_t *hash);
+
+extern int ecdsa_key_create(uint8_t * key_d, uint8_t *key_xy);
+extern int ecdsa_signature_create(uint8_t *key_d, uint8_t *key_xy, uint8_t *input, int length, uint8_t *signature, size_t *signaturelen);
+extern int ecdsa_signature_verify(uint8_t *key_xy, uint8_t *input, int length, uint8_t *signature, size_t signaturelen);
+extern char *ecdsa_get_error(int ret);
+
+extern int ecdsa_nist_test(bool verbose);
+
+#endif /* libpcrypto.h */