15 void encrypt(uint32_t *v,
size_t n,
const uint32_t *k);
23 void decrypt(uint32_t *v,
size_t n,
const uint32_t *k);
void encrypt(uint32_t *v, size_t n, const uint32_t *k)
Encrypt a block of data in-place using XXTEA algorithm with 256-bit key.
void decrypt(uint32_t *v, size_t n, const uint32_t *k)
Decrypt a block of data in-place using XXTEA algorithm with 256-bit key.
Implementation of SPI Controller mode.