13 * this fits for xtea.c and xtea-asm.S
20 * dest: the destination where result of operation will be placed (64 bit)
21 * v: the block to operate on (64 bit)
22 * k: the key for en/decryption (128 bit)
24 void xtea_enc(uint32_t* dest, uint32_t* v, uint32_t* k);
25 void xtea_dec(uint32_t* dest, uint32_t* v, uint32_t* k);