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new cspot/bell

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philippe44
2023-05-06 23:50:26 +02:00
parent e0e7e718ba
commit 8bad480112
163 changed files with 6611 additions and 6739 deletions
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65
components/spotify/cspot/include/Shannon.h
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@@ -4,41 +4,40 @@
#include <cstdint> // for uint32_t, uint8_t
#include <vector> // for vector
class Shannon
{
public:
static constexpr unsigned int N = 16;
class Shannon {
public:
static constexpr unsigned int N = 16;
void key(const std::vector<uint8_t> &key); /* set key */
void nonce(const std::vector<uint8_t> &nonce); /* set Init Vector */
void stream(std::vector<uint8_t> &buf); /* stream cipher */
void maconly(std::vector<uint8_t> &buf); /* accumulate MAC */
void encrypt(std::vector<uint8_t> &buf); /* encrypt + MAC */
void decrypt(std::vector<uint8_t> &buf); /* finalize + MAC */
void finish(std::vector<uint8_t> &buf); /* finalise MAC */
void key(const std::vector<uint8_t>& key); /* set key */
void nonce(const std::vector<uint8_t>& nonce); /* set Init Vector */
void stream(std::vector<uint8_t>& buf); /* stream cipher */
void maconly(std::vector<uint8_t>& buf); /* accumulate MAC */
void encrypt(std::vector<uint8_t>& buf); /* encrypt + MAC */
void decrypt(std::vector<uint8_t>& buf); /* finalize + MAC */
void finish(std::vector<uint8_t>& buf); /* finalise MAC */
private:
static constexpr unsigned int FOLD = Shannon::N;
static constexpr unsigned int INITKONST = 0x6996c53a;
static constexpr unsigned int KEYP = 13;
uint32_t R[Shannon::N];
uint32_t CRC[Shannon::N];
uint32_t initR[Shannon::N];
uint32_t konst;
uint32_t sbuf;
uint32_t mbuf;
int nbuf;
static uint32_t sbox1(uint32_t w);
static uint32_t sbox2(uint32_t w);
void cycle();
void crcfunc(uint32_t i);
void macfunc(uint32_t i);
void initState();
void saveState();
void reloadState();
void genkonst();
void diffuse();
void loadKey(const std::vector<uint8_t> &key);
private:
static constexpr unsigned int FOLD = Shannon::N;
static constexpr unsigned int INITKONST = 0x6996c53a;
static constexpr unsigned int KEYP = 13;
uint32_t R[Shannon::N];
uint32_t CRC[Shannon::N];
uint32_t initR[Shannon::N];
uint32_t konst;
uint32_t sbuf;
uint32_t mbuf;
int nbuf;
static uint32_t sbox1(uint32_t w);
static uint32_t sbox2(uint32_t w);
void cycle();
void crcfunc(uint32_t i);
void macfunc(uint32_t i);
void initState();
void saveState();
void reloadState();
void genkonst();
void diffuse();
void loadKey(const std::vector<uint8_t>& key);
};
#endif