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add raw signing test

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zzz
2016-03-19 15:16:38 +00:00
parent d4d720524e
commit 3474b827b0
1 changed files with 12 additions and 0 deletions
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12
core/java/src/net/i2p/crypto/KeyGenerator.java
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@ -15,6 +15,7 @@ import java.security.InvalidKeyException;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.MessageDigest;
import java.security.ProviderException;
import java.security.interfaces.ECPrivateKey;
import java.security.interfaces.ECPublicKey;
@ -416,19 +417,30 @@ public final class KeyGenerator {
else
System.out.println(type + " private-to-public test FAILED");
//System.out.println("privkey " + keys[1]);
MessageDigest md = type.getDigestInstance();
for (int i = 0; i < runs; i++) {
RandomSource.getInstance().nextBytes(src);
md.update(src);
byte[] sha = md.digest();
SimpleDataStructure hash = type.getHashInstance();
hash.setData(sha);
long start = System.nanoTime();
Signature sig = DSAEngine.getInstance().sign(src, privkey);
Signature sig2 = DSAEngine.getInstance().sign(hash, privkey);
if (sig == null)
throw new GeneralSecurityException("signature generation failed");
if (sig2 == null)
throw new GeneralSecurityException("signature generation (H) failed");
long mid = System.nanoTime();
boolean ok = DSAEngine.getInstance().verifySignature(sig, src, pubkey);
boolean ok2 = DSAEngine.getInstance().verifySignature(sig2, hash, pubkey);
long end = System.nanoTime();
stime += mid - start;
vtime += end - mid;
if (!ok)
throw new GeneralSecurityException(type + " V(S(data)) fail");
if (!ok2)
throw new GeneralSecurityException(type + " V(S(H(data))) fail");
}
stime /= 1000*1000;
vtime /= 1000*1000;