int main(int argc, char **argv)
{
volatile int *base=0;
#ifdef DEBUG
base=(volatile int *)malloc(64*1024*1024); // Standalone, buildable on Linux for testing
#else
HW_PER(PER_UART_CLKDIV)=1250000/1152; // Running on the ZPU
#endif
while(1)
{
if(sanitycheck(base,CACHESIZE))
printf("First stage sanity check passed.\n");
if(bytecheck(base,CACHESIZE))
printf("Byte (dqm) check passed\n");
if(addresscheck(base,CACHESIZE))
printf("Address check passed.\n");
if(lfsrcheck(base))
printf("LFSR check passed.\n");
}
return(0);
}
int main(int argc, char **argv)
{
volatile int *base=0;
while(1)
{
int size=8;
if(simplecheck(base,CACHESIZE))
printf("Simple check passed.\n");
if(sanitycheck(base,CACHESIZE))
printf("First stage sanity check passed.\n");
if(bytecheck(base,CACHESIZE))
printf("Byte (dqm) check passed\n");
// if(aligncheck(base,CACHESIZE))
// printf("Alignment check passed\n");
if(size=addresscheck(base,CACHESIZE))
printf("Address check passed.\n");
if(linearcheck(base,size))
printf("Linear check passed.\n\n");
if(lfsrcheck(base,size))
printf("LFSR check passed.\n\n");
}
return(0);
}
/* This is a constant time verify */
int ccrsa_emsa_pkcs1v15_verify(size_t emlen, uint8_t *em,
size_t dgstlen, const uint8_t *dgst,
const uint8_t *oid)
{
size_t tlen;
size_t oidlen=oid[1];
uint8_t r=0;
#define bytecheck(v) r|=(*em++)^(v)
#define memcheck(s, len) r|=cc_cmp_safe((len),em, (s)); em+=(len)
assert(oid[0]==0x06);
tlen=2+2+oidlen+2+2+dgstlen+2;
if(emlen<tlen+11)
return -1;
size_t pslen = emlen-3-tlen;
bytecheck(0x00);
bytecheck(0x01);
while(pslen--)
bytecheck(0xff);
bytecheck(0x00);
bytecheck(0x30);
bytecheck(tlen-2);
bytecheck(0x30);
bytecheck(oidlen+4);
memcheck(oid, oidlen+2);
bytecheck(0x05);
bytecheck(0x00);
bytecheck(0x04);
bytecheck(dgstlen);
memcheck(dgst, dgstlen);
return r;
}
