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Add benchmarks for ElGamal

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This commit is contained in:
str4d
2017-08-20 21:13:57 +00:00
parent f9b8a5ec11
commit 6615586a4e
2 changed files with 70 additions and 59 deletions
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59
core/java/src/net/i2p/crypto/ElGamalEngine.java
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@@ -250,63 +250,4 @@ public final class ElGamalEngine {
+ Base64.encode(rv), new Exception("Doesn't match"));
return null;
}
/****
public static void main(String args[]) {
long eTime = 0;
long dTime = 0;
long gTime = 0;
int numRuns = 100;
if (args.length > 0) try {
numRuns = Integer.parseInt(args[0]);
} catch (NumberFormatException nfe) { // nop
}
try {
Thread.sleep(30 * 1000);
} catch (InterruptedException ie) { // nop
}
RandomSource.getInstance().nextBoolean();
I2PAppContext context = new I2PAppContext();
System.out.println("Running " + numRuns + " times");
for (int i = 0; i < numRuns; i++) {
long startG = Clock.getInstance().now();
Object pair[] = KeyGenerator.getInstance().generatePKIKeypair();
long endG = Clock.getInstance().now();
PublicKey pubkey = (PublicKey) pair[0];
PrivateKey privkey = (PrivateKey) pair[1];
byte buf[] = new byte[128];
RandomSource.getInstance().nextBytes(buf);
long startE = Clock.getInstance().now();
byte encr[] = context.elGamalEngine().encrypt(buf, pubkey);
long endE = Clock.getInstance().now();
byte decr[] = context.elGamalEngine().decrypt(encr, privkey);
long endD = Clock.getInstance().now();
eTime += endE - startE;
dTime += endD - endE;
gTime += endG - startG;
if (!DataHelper.eq(decr, buf)) {
System.out.println("PublicKey : " + DataHelper.toString(pubkey.getData(), pubkey.getData().length));
System.out.println("PrivateKey : " + DataHelper.toString(privkey.getData(), privkey.getData().length));
System.out.println("orig : " + DataHelper.toString(buf, buf.length));
System.out.println("d(e(orig) : " + DataHelper.toString(decr, decr.length));
System.out.println("orig.len : " + buf.length);
System.out.println("d(e(orig).len : " + decr.length);
System.out.println("Not equal!");
System.exit(0);
} else {
System.out.println("*Run " + i + " is successful, with encr.length = " + encr.length + " [E: "
+ (endE - startE) + " D: " + (endD - endE) + " G: " + (endG - startG) + "]\n");
}
}
System.out.println("\n\nAll " + numRuns + " tests successful, average encryption time: " + (eTime / numRuns)
+ " average decryption time: " + (dTime / numRuns) + " average key generation time: "
+ (gTime / numRuns));
}
****/
}