added custom implementation for shred

2020-08-26 00:12:39 +02:00
parent a2a18bbc34
commit f39fbfbd54
12 changed files with 583 additions and 94 deletions
--- a/include/shred/shred.h
+++ b/include/shred/shred.h
@ -0,0 +1,92 @@
+/**
+ * @file    shred.h
+ * @brief   shred drive
+ * @author  hendrik schutter
+ * @date    03.05.2020
+ */
+
+#ifndef SHRED_H_
+#define SHRED_H_
+
+#include "../reHDD.h"
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <limits.h>
+#include <libgen.h>
+
+
+#include "tfdef.h"
+#include "tfcore.h"
+//#include "tfe.h"
+
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE
+#endif
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#ifndef _XOPEN_SOURCE
+#define _XOPEN_SOURCE 700
+#endif
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+#ifndef _FILE_OFFSET_BITS
+#define _FILE_OFFSET_BITS 64
+#endif
+
+#ifndef _TFNG_STREAM_CIPHER_DEFS
+#define _TFNG_STREAM_CIPHER_DEFS
+#endif
+
+#define PROCESS_BLOCKP(x,k1,k2,k3,k4,k5,k6)						\
+	do {										\
+		KE_MIX(Y, X, k1 + k2, k3, TFS_KS01);					\
+		KE_MIX(T, Z, k4 + x, k5 + k6, TFS_KS02);				\
+											\
+		BE_MIX(X, T, TFS_BS01); BE_MIX(Z, Y, TFS_BS02);				\
+		BE_MIX(X, Y, TFS_BS03); BE_MIX(Z, T, TFS_BS04);				\
+		BE_MIX(X, T, TFS_BS05); BE_MIX(Z, Y, TFS_BS06);				\
+	} while (0)
+
+#define PROCESS_BLOCKN(x,k1,k2,k3,k4,k5,k6)						\
+	do {										\
+		KE_MIX(Y, X, k1 + k2, k3, TFS_KS03);					\
+		KE_MIX(T, Z, k4 + x, k5 + k6, TFS_KS04);				\
+											\
+		BE_MIX(X, T, TFS_BS07); BE_MIX(Z, Y, TFS_BS08);				\
+		BE_MIX(X, Y, TFS_BS09); BE_MIX(Z, T, TFS_BS10);				\
+		BE_MIX(X, T, TFS_BS11); BE_MIX(Z, Y, TFS_BS12);				\
+	} while (0)
+
+
+#define NOSIZE ((size_t)-1)
+
+#define XRET(x) if (!xret && xret < x) xret = x
+
+class Shred
+{
+protected:
+
+public:
+    static void shredDrive(Drive* drive, int* ipSignalFd);
+
+private:
+    Shred(void);
+	static inline uint8_t calcProgress();
+	static inline void tfnge_init_iv(struct tfnge_stream *tfe, const void *key, const void *iv);
+	static inline void tfnge_init(struct tfnge_stream *tfe, const void *key);
+	static inline void tfng_encrypt_rawblk(TFNG_UNIT_TYPE *O, const TFNG_UNIT_TYPE *I, const TFNG_UNIT_TYPE *K);
+	static inline void tfnge_emit(void *dst, size_t szdst, struct tfnge_stream *tfe);
+
+
+};
+
+#endif  // SHRED_H_