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Added functions and updated makefile
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@maleg
maleg committed Jan 13, 2018
1 parent 6398c11 commit 08efe11
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Showing 9 changed files with 147 additions and 65 deletions.
6 changes: 3 additions & 3 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ LIBS = -lm

DEPS = $(patsubst %,$(IDIR)/%,$(_DEPS))

OBJ = $(patsubst %,$(ODIR)/%,$(_OBJ))
OBJS = $(patsubst %,$(ODIR)/%,$(_OBJ))

$(ODIR)/%.o: $(SDIR)/%.S
$(CC) -c $(INC) -o $@ $^ $(CFLAGS)
Expand All @@ -24,7 +24,7 @@ $(ODIR)/%.o: $(SDIR)/%.c
$(CC) -c $(INC) -o $@ $^ $(CFLAGS)

$(OUT): $(OBJS)
ar rvs $(OUT) $^
ar rcs $(OUT) $^

$(DEPS):
.PHONY: clean
Expand All @@ -34,4 +34,4 @@ clean:

copy:
cp -f $(DEPS) $(GLOBAL_LIBDIR)
cp -f $(OUT) $(GLOBAL_LIBDIR)
cp -f $(OUT) $(GLOBAL_LIBDIR)
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179 changes: 126 additions & 53 deletions common.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,13 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h> // For write
#include <stdint.h>

#include "common.h"
//#include "common.h"

int memcmppos(void* inl, void* inr, int len){
int memcmppos(void* inl, void* inr, int len)
{
int rem = len;
while(rem>8){
if ( *(uint64_t*)inl != *(uint64_t*)inr ){
Expand Down Expand Up @@ -35,7 +38,45 @@ int memcmppos(void* inl, void* inr, int len){
return len-rem;
}

void memcpy_swap32(void* dest, void* src, int len)
{
uint32_t* dest_p = dest;
uint32_t* src_p = src;
int i;

for (i=0 ; i<(len>>2) ; i++)
{
dest_p[i] = htobe32(src_p[i]);
}

}

void bytes_to_file(int file, char* str, int len)
{
int ret = write(file, str,len);
if (ret != len)
{
printf("write_to_disk : Didn't write all the bytes.");
exit(EXIT_FAILURE);
}
}

void str_to_file(int file, char* str)
{
int write_length = strlen(str);
int ret = write(file, str, write_length);
if (ret != write_length)
{
printf("write_to_disk : Didn't write all the bytes.");
exit(EXIT_FAILURE);
}
}

void strline_to_file(int file, char* str)
{
str_to_file(file, str);
str_to_file(file, "\n");
}

//----------------------------------------------------
//----------------------------------------------------
Expand Down Expand Up @@ -76,18 +117,19 @@ void bin2hex(char*out_p, unsigned char*in_p, int len)
}


void hex_dump(void *data, size_t len) {
void hex_dump(void *data, size_t len)
{
unsigned char *chr = data;
for ( size_t pos = 0; pos < len; pos++, chr++ ) { printf("%02X ", *chr & 0xFF); }
}

// this function is mostly useless in a real implementation, were only using it for demonstration purposes
void hexdump(const char* header, const uint8_t* data, int len)
void hexdump_bytes_hn(const char* header, void* data_p, int len)
{
int c;

printf("%s", header);
unsigned char * data = data_p;

printf("%s", header);
c=0;
while(c < len)
{
Expand All @@ -96,23 +138,19 @@ void hexdump(const char* header, const uint8_t* data, int len)
printf("\n");
}

void DumpBinBigEndian(void* ptr, int size)
void hexdump_uint32_hn(const char* header, uint32_t* data, int len)
{
unsigned char *b = (unsigned char*) ptr;
unsigned char byte;
int i, j;
int c;

for (i=0;i<size;i++)
printf("%s", header);
c=0;
while(c < len)
{
for (j=7;j>=0;j--)
{
byte = (b[i] >> j) & 1;
printf("%u", byte);
}
printf("%.8X", data[c++]);
}
puts("");
printf("\n");
}




Expand Down Expand Up @@ -140,7 +178,63 @@ msg_clear_bit(unsigned char* msg, int offset){

}

static inline void
int
get_bit(unsigned char* msg, int bit_offset){
int B = bit_offset >> 3;
int b = bit_offset & 0x07;
int ret = (msg[B] >> (7-b)) & 0x1;
return ret;
}

// Return string length in bytes
int
sprintf_bits(char * dest, void const * const src, int const size)
{
unsigned char *in_p = (unsigned char*) src;
char *out_p = dest;
unsigned char byte;
int i, j, ret, len;

for (i=0;i<size;i++)
{
for (j=7;j>=0;j--)
{
byte = (in_p[i] >> j) & 1;
ret = sprintf(out_p, (byte == 1) ? "1 ":"-1 ");
out_p += ret;
}
}
len = out_p - dest;
dest[len-1] = '\n';
return len;
}

// Return string length in bytes
char*
str_bits(void const * const src, int const bytesize)
{

static char buf[4096];
unsigned char *in_p = (unsigned char*) src;
char *out_p = buf;
unsigned char byte;
int i, j, ret, len;

for (i=0;i<bytesize;i++)
{
for (j=7;j>=0;j--)
{
byte = (in_p[i] >> j) & 1;
ret = sprintf(out_p, (byte == 1) ? "1 ":"0 ");
out_p += ret;
}
}
len = out_p - buf;
buf[len-1] = '\0';
return (char*)buf;
}

void
incr_256bit(uint64_t* p_data, int qty)
{
//printf("Increment\n");
Expand Down Expand Up @@ -187,6 +281,7 @@ int get_entropy8b(unsigned char * msg_p)
}
return max_consec;
}

int get_entropy16b(unsigned char * msg_p)
{
int consec = 0, max_consec = 0;
Expand All @@ -211,49 +306,27 @@ int get_entropy16b(unsigned char * msg_p)
return max_consec;
}

void* ProcessBits(int startBit, int endBit, int level){
int idx;
int hashValid;
int bit, B, b;
static int mem[128][3] = {{0,0,0}};
void ProcessBits(unsigned char hashIn[], int startBit, int endBit, int level)
{
int bit, B, b, iter;

for (bit=startBit ; bit<=endBit ; bit++){
B = bit >> 3;
b = bit & 0x7;
hashIn[B] ^= 0x80>>b;

if (level == 1){
if (level == 1)
{
iter++;
//hexdump(hashIn, SHA256_DIGEST_LENGTH);
//same as above
sha256_init(&sha256_pass2);
sha256_update(&sha256_pass2, hashIn, SHA256_DIGEST_LENGTH);
sha256_final(&sha256_pass2, hash2);

hashValid = 1;
for (idx = 28 ; idx <SHA256_DIGEST_LENGTH ; idx++){
if (hash2[idx] != 0) {
hashValid=0 ;
break;
}
}

if (iter%(1UL<<24) == 0)
//if (iter == 385)
dumpIter(hashIn);
if (hashValid){
printf("Success!!!!\n");
hexdump(hashIn, SHA256_DIGEST_LENGTH);
printf("From\n");
hexdump(hash2, SHA256_DIGEST_LENGTH);

}else{
//printf(".");
}
}else{
testCombinations(bit+1, endBit+1, hashIn, level-1);
printf(".");

}
else
{
ProcessBits(hashIn, bit+1, endBit+1, level-1);
}
hashIn[B] ^= 0x80>>b;
}

}

27 changes: 18 additions & 9 deletions common.h
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Original file line number Diff line number Diff line change
@@ -1,33 +1,42 @@
#ifndef _COMMON_H_
#define _COMMON_H_

#include "stdint.h"
#include <stdint.h>

#ifndef _COMMON_C_


int memcmppos(void* inl, void* inr, int len);
//----------------------------------------------------
// MEMORY Manipulation functions
//----------------------------------------------------
int memcmp_pos(void* inl, void* inr, int len);
void memcpy_swap32(void* dest, void* src, int len);
void bytes_to_file(int file, char* str, int len);
void str_to_file(int file, char* str);
void strline_to_file(int file, char* str);

//----------------------------------------------------
// HEXADECIMAL Manipulation functions
//----------------------------------------------------
void hex2bin(void* dest, const char* src);
void bin2hex(char*out_p, unsigned char*in_p, int len);
void hexdump(const char* header, const uint8_t* data, int len);
void hexdump_bytes_hn(const char* header, void* data_p, int len);
void hexdump_uint32_hn(const char* header, uint32_t* data_p, int len);
void DumpBinBigEndian(void* ptr, int size);

//----------------------------------------------------
// Bit Manipulation Functions
// BITS Manipulation Functions
//----------------------------------------------------
void msg_set_bit(unsigned char* msg, int offset);
void msg_clear_bit(unsigned char* msg, int offset);
int get_bit(unsigned char* msg, int bit_offset);
int sprintf_bits(char * dest, void const * const src, int const size);
char* str_bits(void const * const src, int const size);
uint64_t Get_mask_left_64bit(int mask_len, int mask_offset);
uint64_t Get_mask_right_64bit(int mask_len, int mask_offset);

static inline void
incr_256bit(uint64_t* p_data, int qty);
void* ProcessBits(int startBit, int endBit, int level);

#endif
void incr_256bit(uint64_t* p_data, int qty);
void ProcessBits(unsigned char hashIn[], int startBit, int endBit, int level);


#endif
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