int main(int argc, char *argv[]) {
int file_descript;
unsigned long file_size;
char* file_buffer;
if(argc != 2) {
printf("Must specify the file\n");
exit(-1);
}
printf("using file:\t%s\n", argv[1]);
file_descript = open(argv[1], O_RDONLY);
if(file_descript < 0) exit(-1);
file_size = get_size_by_fd(file_descript);
printf("file size:\t%lu\n", file_size);
file_buffer = mmap(0, file_size, PROT_READ, MAP_SHARED, file_descript, 0);
MD5((unsigned char*) file_buffer, file_size, result);
munmap(file_buffer, file_size);
print_md5_sum(result);
printf(" %s\n", argv[1]);
return 0;
}
object* digest::md5file(string *file)
{
int file_descript = open(file->string_val.c_str(), O_RDONLY);
if(file_descript < 0) exit(-1);
size_t file_size = get_size_by_fd(file_descript);
char *file_buffer = (char*)mmap(0, file_size, PROT_READ, MAP_SHARED, file_descript, 0);
MD5((unsigned char*) file_buffer, file_size, result);
munmap(file_buffer, file_size);
return new string((char*)&result);
}
int main(int argc, char *argv[]) {
char md5[MD5_DIGEST_LENGTH];
int file_descript;
unsigned long file_size;
char *file_buffer;
FILE *pkr_file;
int signature_size = BITS*sizeof(DES_cblock);
file_descript = open(argv[1], O_RDONLY);
if(file_descript < 0) {
puts("Signed message unreadable");
exit(-1);
}
//read signed message
file_size = get_size_by_fd(file_descript);
file_buffer = mmap(0, file_size, PROT_READ, MAP_SHARED, file_descript, 0);
//copy signature
memcpy(SG, file_buffer, signature_size);
MD5((unsigned char*) (file_buffer+signature_size), file_size-signature_size, md5);
//read PKR
pkr_file = fopen (argv[2],"r");
if (pkr_file!=NULL)
{
fread(S, sizeof(DES_cblock), 2*BITS, pkr_file);
fread(R, sizeof(DES_cblock), 2*BITS, pkr_file);
fclose (pkr_file);
} else { puts("PKR unreadable"); return -1; }
if (verifyMsg(md5)) puts("FAIL");
else puts ("OK");
return (0);
}
