/*
cipher.h -- header file cipher.c
- Copyright (C) 2007-2016 Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 2007-2022 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#ifndef DISABLE_LEGACY
+#ifdef HAVE_OPENSSL
+#include "openssl/cipher.h"
+#elif HAVE_LIBGCRYPT
+#include "gcrypt/cipher.h"
+#else
+#error Incorrect cryptographic library, please reconfigure.
+#endif
+
typedef struct cipher cipher_t;
-extern cipher_t *cipher_open_by_name(const char *name) __attribute__((__malloc__));
-extern cipher_t *cipher_open_by_nid(int nid) __attribute__((__malloc__));
+extern cipher_t *cipher_alloc(void) __attribute__((__malloc__));
+extern void cipher_free(cipher_t **cipher);
+extern bool cipher_open_by_name(cipher_t *cipher, const char *name);
+extern bool cipher_open_by_nid(cipher_t *cipher, int nid);
extern void cipher_close(cipher_t *cipher);
extern size_t cipher_keylength(const cipher_t *cipher);
extern size_t cipher_blocksize(const cipher_t *cipher);
extern int cipher_get_nid(const cipher_t *cipher);
extern bool cipher_active(const cipher_t *cipher);
-#endif
+#endif // DISABLE_LEGACY
-#endif
+#endif // TINC_CIPHER_H