X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fcipher.h;h=997516651f09de0b3a0b91a3e8d96613856d9989;hb=9c577bd201009f14b4cb5d8540b6dc03246f6165;hp=2845be8d190b5f22a70ace0fddfd4ab033d1b2dc;hpb=42d2dff33306beae8ddbd9cc991ad80f135950a6;p=tinc

diff --git a/src/cipher.h b/src/cipher.h
index 2845be8d..99751665 100644
--- a/src/cipher.h
+++ b/src/cipher.h
@@ -3,7 +3,7 @@
 
 /*
     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
@@ -20,27 +20,39 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include "system.h"
+
 #define CIPHER_MAX_BLOCK_SIZE 32
 #define CIPHER_MAX_IV_SIZE 16
 #define CIPHER_MAX_KEY_SIZE 32
 
 #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) ATTR_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 uint64_t cipher_budget(const cipher_t *cipher);
-extern bool cipher_set_key(cipher_t *cipher, void *key, bool encrypt) __attribute__((__warn_unused_result__));
-extern bool cipher_set_key_from_rsa(cipher_t *cipher, void *rsa, size_t len, bool encrypt) __attribute__((__warn_unused_result__));
-extern bool cipher_encrypt(cipher_t *cipher, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot) __attribute__((__warn_unused_result__));
-extern bool cipher_decrypt(cipher_t *cipher, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot) __attribute__((__warn_unused_result__));
+extern bool cipher_set_key(cipher_t *cipher, void *key, bool encrypt) ATTR_WARN_UNUSED;
+extern bool cipher_set_key_from_rsa(cipher_t *cipher, void *rsa, size_t len, bool encrypt) ATTR_WARN_UNUSED;
+extern bool cipher_encrypt(cipher_t *cipher, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot) ATTR_WARN_UNUSED;
+extern bool cipher_decrypt(cipher_t *cipher, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot) ATTR_WARN_UNUSED;
 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