Anonymous

void sub_22001514(unsigned char *r0) {	if(r0 == 0) {		memset(aesAccelKey, 0, 16);	} else {		r1 = aesAccelKey;		r4 = aesAccelIV;		while(r1 != r4) {			r3 = *r0;			r3 <<= 0x18;			*r1 = r3;			r3 = r0[1];			r2 = *r1;			r3 <<= 0x10;			r3 |= r2;			*r1 = r3;			r3 = r0[2];			r2 = *r1;			r3 <<= 0x8;			r3 |= r2;			*r1 = r3;			r3 = r0[3];			r2 = *r1;			r0 += 0x4;			r3 |= r2;			*r1 = r3;		}	}}