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authorDaniel Baumann <daniel@debian.org>2024-11-21 18:35:44 +0100
committerDaniel Baumann <daniel@debian.org>2024-11-21 18:35:44 +0100
commit48868ef3f5a50ee67a6cd4f4c6d56a06781af969 (patch)
tree9b126b3fa59336ef0e7fd666f5debfee80e56b1e /cryptopANT.h
parentInitial commit. (diff)
downloaddag-scrubber-upstream.tar.xz
dag-scrubber-upstream.zip
Adding upstream version 0.5.upstream/0.5upstream
Signed-off-by: Daniel Baumann <daniel@debian.org>
Diffstat (limited to 'cryptopANT.h')
-rw-r--r--cryptopANT.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/cryptopANT.h b/cryptopANT.h
new file mode 100644
index 0000000..63bab97
--- /dev/null
+++ b/cryptopANT.h
@@ -0,0 +1,91 @@
+/* -*- Mode:C; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
+/*
+ * Copyright (C) 2004-2018 by the University of Southern California
+ * $Id: 58a4704e7a2580bed5f7eac76cd23b809dd558fa $
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+
+#ifndef _SCRAMBLE_CRYPT_H
+#define _SCRAMBLE_CRYPT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ETHER_ADDR_LEN 6
+#define ETHER_VLAN_LEN 2
+
+#define _XOR16(a, b, i) (((uint16_t *)(a))[i] ^= ((uint16_t *)(b))[i])
+#define _XOR32(a, b, i) (((uint32_t *)(a))[i] ^= ((uint32_t *)(b))[i])
+
+#define SCRAMBLE_ETHER_ADDR(a) if (1) { \
+ _XOR32(a, scramble_ether_addr, 0); \
+ _XOR16(a, scramble_ether_addr, 2); \
+ }
+
+#define SCRAMBLE_ETHER_VLAN(v) ((v) ^= scramble_ether_vlan);
+
+#define SCRAMBLE_RANDOM_DEV "/dev/urandom"
+
+typedef enum {
+ SCRAMBLE_NONE = 0x00,
+ SCRAMBLE_MD5 = 0x01,
+ SCRAMBLE_BLOWFISH = 0x02,
+ SCRAMBLE_AES = 0x03,
+ SCRAMBLE_SHA1 = 0x04
+} scramble_crypt_t;
+
+typedef struct {
+ scramble_crypt_t c4;
+ scramble_crypt_t c6;
+ u_char *key;
+ int klen;
+ u_char *pad;
+ int plen;
+ u_char *mac;
+ int mlen;
+ u_char *iv;
+ int ivlen;
+} scramble_state_t;
+
+/* external vars exported by mac scrambling macros */
+extern uint8_t scramble_ether_addr[ETHER_ADDR_LEN];
+extern uint16_t scramble_ether_vlan;
+extern int scramble_mac; /* 0/1 */
+
+/* public functions */
+extern scramble_crypt_t scramble_crypto_ip4 (void);
+extern scramble_crypt_t scramble_crypto_ip6 (void);
+extern scramble_crypt_t scramble_name2type (const char *);
+extern const char* scramble_type2name (scramble_crypt_t);
+extern int scramble_newkey (u_char *, int);
+extern int scramble_newpad (u_char *, int);
+extern int scramble_newmac (u_char *, int);
+extern int scramble_readstate (const char *, scramble_state_t *);
+extern int scramble_savestate (const char *, const scramble_state_t *);
+extern int scramble_init (const scramble_state_t *s);
+extern int scramble_init_from_file (const char *, scramble_crypt_t, scramble_crypt_t, int *);
+extern uint32_t scramble_ip4 (uint32_t, int);
+extern uint32_t unscramble_ip4 (uint32_t, int);
+extern void scramble_ip6 (struct in6_addr *, int);
+extern void unscramble_ip6 (struct in6_addr *, int);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SCRAMBLE_CRYPT_H */