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Refactor KeeLoq crypto functions and add new KeeLoq TX app (#2990)

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lifegame1lu111
2026-02-16 14:19:50 +00:00
committed by GitHub
parent 00f40bf171
commit 83a4580353
14 changed files with 545 additions and 37 deletions
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firmware/application/keeloq_common.hpp
+16
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@@ -0,0 +1,16 @@
#ifndef __KEELOQ_COMMON__
#define __KEELOQ_COMMON__
#include <cstdint>
#define bit(x, n) (((x) >> (n)) & 1)
#define g5(x, a, b, c, d, e) \
(bit(x, a) + bit(x, b) * 2 + bit(x, c) * 4 + bit(x, d) * 8 + bit(x, e) * 16)
#define KEELOQ_NLF 0x3A5C742E
uint32_t keeloq_encrypt(const uint32_t data, const uint64_t key);
uint32_t keeloq_decrypt(const uint32_t data, const uint64_t key);
uint64_t keeloq_normal_learning(uint32_t data, const uint64_t key);
#endif