int main() {
bignum l1 = from_str("99"),
l2 = from_str("10");
printf("%s\n", to_str(from_int(666)));
printf("%d\n", to_int(from_str("666")));
bignum sum = plus(l1, l2);
printf("%s\n", to_str(sum));
bignum diff = minus(l1, l2);
printf("%s\n", to_str(diff));
printf("%i\n", lesser(l1, l2));
bignum muli = mul_int(l1, 2);
printf("%s\n", to_str(muli));
printf("%d\n", mod_int(l1, 10));
bignum divi = div_int(l1, 10);
printf("%s\n", to_str(divi));
bignum mul = multiply(l1, l2);
printf("%s\n", to_str(mul));
bignum div = divide(l1, l2);
printf("%s\n", to_str(div));
bignum mod = modulo(l1, l2);
printf("%s\n", to_str(mod));
return 0;
}
//创建公私钥
void rsa_create_key(vlong& e, vlong& d , vlong& m )
{
unsigned char prand[2][128],tc;
UINT i,j, nCount = 64;
srand((unsigned)time(NULL));
for(i=0; i<2; i++)
{
for(j=0; j<nCount; j++)
{
tc = (char)(0x41+rand()%0xAF);
prand[i][j] = tc;
}
prand[i][j]=0;
}
// Choose primes
prime_factory pf;
vlong s1 = from_str((const char*)prand[0]);
vlong s2 = from_str((const char*)prand[1]);
vlong p = pf.find_prime( s1 );
vlong q = pf.find_prime( s2 );
// Calculate public key
m = p*q;
e = 65537;
while ( gcd(p-1,e) != 1 || gcd(q-1,e) != 1 ) e += 2;
// Calculate private key
d = modinv( e, (p-1)*(q-1) );
}
//创建公私钥
void rsa_create_key(RSA_KEY& pub, RSA_PRIVATE_KEY& pri)
{
unsigned char prand[2][128],tc;
UINT i,j, nCount = 64;
srand((unsigned)time(NULL));
for(i=0; i<2; i++)
{
for(j=0; j<nCount; j++)
{
tc = (char)(0x41+rand()%0xAF);
prand[i][j] = tc;
}
prand[i][j]=0;
}
// Choose primes
prime_factory pf;
vlong s1 = from_str((const char*)prand[0]);
vlong s2 = from_str((const char*)prand[1]);
vlong tp = pf.find_prime( s1 );
vlong tq = pf.find_prime( s2 );
if ( tq > tp ) //make sure p > q
{
vlong tmp = tp;
tp = tq;
tq = tmp;
}
// Calculate public key
pub.modulus = tp*tq;
pub.key = 65537;
while ( gcd(tp-1,pub.key) != 1 || gcd(tq-1,pub.key) != 1 ) pub.key += 2;
// Calculate private key
pri.p=tp;
pri.q=tq;
pri.dp=modinv(pub.key,tp-1);
pri.dq=modinv(pub.key,tq-1);
pri.qinv=modinv(tq,tp);
}
int main(int argc, char const *argv[])
{
FILE *f = fopen(argv[1], "r");
if (!f) {
printf("Could not open file %s\n", argv[1]);
exit(EXIT_FAILURE);
}
/* read entire file into memory */
char *contents = read_entire_file(f);
fclose(f);
/* solve all sudokus */
struct timeval before;
gettimeofday (&before, NULL);
int result_size = 1024;
char *result = malloc(sizeof(char) * result_size);
strcpy(result, "");
char *ptr = contents;
int total_sudokus = strlen(contents) / (BOARD_SIZE*BOARD_SIZE);
int sudokus_solved = 0;
char solved[256];
do {
int sudoku[BOARD_SIZE][BOARD_SIZE];
ptr = from_str(ptr, sudoku);
solve(sudoku);
to_str(sudoku, solved);
result_size = append_str(&result, result_size, solved);
load_bar(++sudokus_solved, total_sudokus, 100, 100);
} while (*ptr);
free(contents);
struct timeval after;
gettimeofday (&after, NULL);
long duration = ((after.tv_sec * 1000000 + after.tv_usec) -
(before.tv_sec * 1000000 + before.tv_usec)) / 1000;
/* Write to file the solved sudokus */
char output_name[64];
sprintf(output_name, "solved_%s", argv[1]);
FILE *output = fopen(output_name, "w");
if (!output) {
printf("Could not open file %s\n", output_name);
exit(EXIT_FAILURE);
}
fprintf(output, "%s", result);
free(result);
fclose(output);
/* Present time result */
printf("-- Elapsed time: %d ms\n", duration);
return 0;
}
void private_key::create(const char * r1, const char * r2 )
{
// Choose primes
prime_factory pf;
vlong s1 = from_str(r1);
vlong s2 = from_str(r2);
p = pf.find_prime( s1 );
q = pf.find_prime( s2 );
if ( p > q ) // *NOT* SAME AS PKCS#1 STANDARD
{
vlong tmp = p;
p = q;
q = tmp;
}
// Calculate public key
m = p*q;
e = 65537;
while ( gcd(p-1,e) != 1 || gcd(q-1,e) != 1 )
e += 2;
}
ADTList list_from_str(char *str, void *(*from_str)(char *)) {
ADTList list = list_new();
int len = (int) strlen(str);
for (int i = 0, escape = 0, start = 0; i <= len; i++) {
if ((str[i] == ',' && !escape) || (i == len && len > 0)) {
char *substr = str_substr(str, start, i - start);
char *unescaped = str_unescape(substr);
list_append(list, from_str(unescaped));
start = i + 1;
free(unescaped);
free(substr);
}
if (str[i] == '\\' && !escape)
escape = 1;
else
escape = 0;
}
return list;
}
// echo -180 -60 | cs2cs -f "%.10f" +init=epsg:4326 +to +init=epsg:3857
int main(int argc, char** argv)
{
mapnik::parameters params;
benchmark::handle_args(argc,argv,params);
mapnik::box2d<double> from(-180,-80,180,80);
mapnik::box2d<double> to(-20037508.3427892476,-15538711.0963092316,20037508.3427892476,15538711.0963092316);
std::string from_str("+init=epsg:4326");
std::string to_str("+init=epsg:3857");
std::string from_str2("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs");
std::string to_str2("+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over");
int return_value = 0;
test test_runner(params,
from_str,
to_str,
from,
to,
true);
return_value = return_value | run(test_runner,"lonlat->merc epsg");
test test_runner2(params,
from_str2,
to_str2,
from,
to,
true);
return_value = return_value | run(test_runner2,"lonlat->merc literal");
test test_runner3(params,
to_str,
from_str,
to,
from,
true);
return_value = return_value | run(test_runner3,"merc->lonlat epsg");
test test_runner4(params,
to_str2,
from_str2,
to,
from,
true);
return_value = return_value | run(test_runner4,"merc->lonlat literal");
return return_value;
}
static bool convert(const std::string& i, T& o)
{
return from_str(i, o);
}