liz/flipperzero-firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Namespace loclass library (#1379)

Browse Source 
* Namespace loclass library
* Lib: const for immutable variables and bss cleanup

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Eric Betts
2022-07-08 05:56:23 -07:00
committed by GitHub
parent 6b3625f46b
commit f46ae5a704
9 changed files with 221 additions and 246 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
lib/loclass/optimized_ikeys.h
View File

@@ -39,8 +39,8 @@
/**
* @brief
*Definition 11. Let the function hash0 : F 82 × F 82 × (F 62 ) 8 → (F 82 ) 8 be defined as
* hash0(x, y, z [0] . . . z [7] ) = k [0] . . . k [7] where
*Definition 11. Let the function loclass_hash0 : F 82 × F 82 × (F 62 ) 8 → (F 82 ) 8 be defined as
* loclass_hash0(x, y, z [0] . . . z [7] ) = k [0] . . . k [7] where
* z'[i] = (z[i] mod (63-i)) + i i = 0...3
* z'[i+4] = (z[i+4] mod (64-i)) + i i = 0...3
* ẑ = check(z');
@@ -48,7 +48,7 @@
* @param k this is where the diversified key is put (should be 8 bytes)
* @return
*/
void hash0(uint64_t c, uint8_t k[8]);
void loclass_hash0(uint64_t c, uint8_t k[8]);
/**
* @brief Performs Elite-class key diversification
* @param csn
@@ -56,7 +56,7 @@ void hash0(uint64_t c, uint8_t k[8]);
* @param div_key
*/
void diversifyKey(uint8_t *csn, const uint8_t *key, uint8_t *div_key);
void loclass_diversifyKey(uint8_t *csn, const uint8_t *key, uint8_t *div_key);
/**
* @brief Permutes a key from standard NIST format to Iclass specific format
* @param key