+#ifndef NIBBLE_HIGH
+# define NIBBLE_HIGH(b) ( (b & 0xF0) >> 4 )
+#endif
+#ifndef NIBBLE_LOW
+# define NIBBLE_LOW(b) ( b & 0x0F )
+#endif
+#ifndef CRUMB
+# define CRUMB(b,p) (((b & (0x3 << p) ) >> p ) & 0xF)
+#endif
+#ifndef SWAP_NIBBLE
+# define SWAP_NIBBLE(b) ( (NIBBLE_LOW(b)<< 4) | NIBBLE_HIGH(b))
+#endif
void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
uint64_t bytes_to_num(uint8_t* src, size_t len);
void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
uint64_t bytes_to_num(uint8_t* src, size_t len);
-void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest);
+void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest);
+void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize);
void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest);
uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize);
void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest);
void xor(unsigned char * dst, unsigned char * src, size_t len);
int32_t le24toh (uint8_t data[3]);
void xor(unsigned char * dst, unsigned char * src, size_t len);
int32_t le24toh (uint8_t data[3]);
uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits);
void rol(uint8_t *data, const size_t len);
uint32_t SwapBits(uint32_t value, int nrbits);
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uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits);
void rol(uint8_t *data, const size_t len);
uint32_t SwapBits(uint32_t value, int nrbits);
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