tests/club/wpia/gigi/crypto/key/KeyCheckSmallFactorsTest.java

   1 package club.wpia.gigi.crypto.key;
   2
   3 import static org.junit.Assert.*;
   4
   5 import java.io.IOException;
   6 import java.security.GeneralSecurityException;
   7 import java.security.PublicKey;
   8
   9 import org.junit.Test;
  10
  11 import club.wpia.gigi.GigiApiException;
  12
  13 public class KeyCheckSmallFactorsTest {
  14
  15     @Test
  16     public void testSmallPrimesSaneKey() throws GeneralSecurityException, IOException {
  17
  18         // Normal public key generated with OpenSSL:
  19         // openssl genpkey -algorithm rsa -pkeyopt rsa_keygen_bits:2048
  20         // -pkeyopt rsa_keygen_pubexp:7331 2>/dev/null |
  21         // openssl pkey -pubout -outform pem
  22         String sfk = "-----BEGIN PUBLIC KEY-----\n" + //
  23                 "MIIBITANBgkqhkiG9w0BAQEFAAOCAQ4AMIIBCQKCAQEArcAPmy3RnXdwyFg3V9k1\n" + //
  24                 "RaFR/peHa3hLsmh25BInRVArbaMctSBaJBVZwQIgBdqjyITQQZP38i6k+WdsETn9\n" + //
  25                 "J491UDLKU3E3UG60ZS3BzcJllNdpn4g0IZROxmmUz2JlAXkGtIglmWWDx14qHSNj\n" + //
  26                 "ON58mc3ihfn/oWkPk2hk/csDxGQq5jSaBUwa9THBg9UQHHBqQbhp2nGfa5a5VRlI\n" + //
  27                 "0QeIy+8GmKlXYMchReUI25ksLOzaqETD0UXiAPyt+vpvkKCDjWGc3kjabn6OkuTt\n" + //
  28                 "na7N/52qrEC2ImuanYlzR5gv9jkbFF2PiMIEBD+3B0842rLx0X/lbXhRr1MtuHtN\n" + //
  29                 "tQICHKM=\n" + //
  30                 "-----END PUBLIC KEY-----\n";
  31
  32         PublicKey pk = KeyCheckTest.pkFromString(sfk);
  33         try {
  34             KeyCheck c = new KeyCheckSmallFactors();
  35             c.check(pk);
  36         } catch (GigiApiException gae) {
  37             throw new Error("Valid key (regarding small factors) rejected.", gae);
  38         }
  39
  40     }
  41
  42     @Test
  43     public void testSmallPrimes() throws GeneralSecurityException, IOException {
  44
  45         // The following key is the above one multiplied by 7331.
  46         String sfk = "-----BEGIN PUBLIC KEY-----\n" + //
  47                 "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQITb6L+6NEZsFNiuTY42LEg\n" + //
  48                 "iPqvDa1K+pXftgWEpTPalebLpKX/Ft11V09pQh/bB6QgNzNXxfBVXE2+UhyrsU+c\n" + //
  49                 "g+Esd55384MjBFI37W1U50Xi9VS1s3ls3ZoL2+GAbs6yeSzLA9bMt8YMtj2QAGxi\n" + //
  50                 "ZYtKKHLd4qYja0OZCkaED8ys4QB4flRWpbJn+4/Yoj5sXmcy2AP/SoPIRf09T/MQ\n" + //
  51                 "OerCZ/3p5blhOGZt1I3MqJNcCoK5oKkzkeQ3AkPqOjGo2qSXObJPMYBHKjIs2JHA\n" + //
  52                 "ioTVHwAOgsEfu69srVcgOzsleAVSeDNFWUv5BayWVlGpHtJi4mGHDdyLL7r2SfMC\n" + //
  53                 "Rj8CAhyj\n" + //
  54                 "-----END PUBLIC KEY-----\n";
  55
  56         PublicKey pk = KeyCheckTest.pkFromString(sfk);
  57         try {
  58             KeyCheck c = new KeyCheckSmallFactors();
  59             c.check(pk);
  60             fail("Invalid key (containing small factors) accepted.");
  61         } catch (GigiApiException gae) {
  62             // expected
  63         }
  64
  65     }
  66
  67 }