package net.i2p.crypto;
/*
* Copyright (c) 2003, TheCrypto
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the TheCrypto may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import net.i2p.I2PAppContext;
import net.i2p.data.DataHelper;
import net.i2p.data.SessionKey;
public class AES256Bench {
private static I2PAppContext _context = new I2PAppContext();
public static void main(String args[]) {
char[] cplain = {
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff
};
byte[] plain = new byte[cplain.length];
for (int x = 0; x < cplain.length; x++) {
plain[x] = (byte)cplain[x];
}
char[] ckey = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
};
byte[] bkey = new byte[ckey.length];
for (int x = 0; x < ckey.length; x++) {
bkey[x] = (byte)ckey[x];
}
SessionKey key = new SessionKey();
key.setData(bkey);
char[] civ = {
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0xfe, 0xdc, 0xba, 0x98, 0x67, 0x54, 0x32, 0x10
};
byte[] iv = new byte[civ.length];
for (int x = 0; x < iv.length; x++) {
iv[x] = (byte)civ[x];
}
byte[] e = new byte[plain.length];
_context.aes().encrypt(plain, 0, e, 0, key, iv, plain.length);
byte[] d = new byte[e.length];
_context.aes().decrypt(e, 0, d, 0, key, iv, d.length);
boolean same = true;
for (int x = 0; x < d.length; x++) {
if (plain[x] != d[x]) {
throw new RuntimeException("Failed decrypt at " + x);
}
}
System.out.println("Standard test D(E(value)) == value? " + same);
if (!same) throw new RuntimeException("moo");
plain = DataHelper.getASCII("1234567890123456");
e = new byte[plain.length];
_context.aes().encrypt(plain, 0, e, 0, key, iv, plain.length);
d = new byte[e.length];
_context.aes().decrypt(e, 0, d, 0, key, iv, d.length);
same = DataHelper.eq(plain, d);
System.out.println("Different value test D(E(value)) == value? " + same);
if (!same) throw new RuntimeException("moo");
System.out.println();
System.out.println();
long times = 100;
long encrypttime = 0;
long decrypttime = 0;
long maxE = 0;
long minE = 0;
long maxD = 0;
long minD = 0;
byte[] message = new byte[2*1024];
for (int i = 0; i < message.length; i++)
message[i] = (byte)((i%26)+'a');
for (int x = 0; x < times; x++) {
long startencrypt = System.currentTimeMillis();
e = new byte[message.length];
d = new byte[e.length];
_context.aes().encrypt(message, 0, e, 0, key, iv, message.length);
long endencryptstartdecrypt = System.currentTimeMillis();
_context.aes().decrypt(e, 0, d, 0, key, iv, d.length);
long enddecrypt = System.currentTimeMillis();
System.out.print(".");
encrypttime += endencryptstartdecrypt - startencrypt;
decrypttime += enddecrypt - endencryptstartdecrypt;
if (!DataHelper.eq(d, message)) {
System.out.println("Lengths: source [" + message.length + "] dest [" + d.length + "]");
System.out.println("Data: dest [" + DataHelper.toString(d, d.length) + "]");
throw new RuntimeException("Holy crap, decrypted != source message");
}
if ( (minE == 0) && (minD == 0) ) {
minE = endencryptstartdecrypt - startencrypt;
maxE = endencryptstartdecrypt - startencrypt;
minD = enddecrypt - endencryptstartdecrypt;
maxD = enddecrypt - endencryptstartdecrypt;
} else {
if (minE > endencryptstartdecrypt - startencrypt) minE = endencryptstartdecrypt - startencrypt;
if (maxE < endencryptstartdecrypt - startencrypt) maxE = endencryptstartdecrypt - startencrypt;
if (minD > enddecrypt - endencryptstartdecrypt) minD = enddecrypt - endencryptstartdecrypt;
if (maxD < enddecrypt - endencryptstartdecrypt) maxD = enddecrypt - endencryptstartdecrypt;
}
}
System.out.println();
System.out.println("Data size : " + message.length);
System.out.println("Encryption Time Average : " + (encrypttime/times) + "ms\ttotal: " + encrypttime + "ms\tmin: " + minE + "ms\tmax: " + maxE + "ms\tEncryption Bps: " + (times*message.length*1000)/encrypttime);
System.out.println("Decryption Time Average : " + (decrypttime/times) + "ms\ttotal: " + decrypttime + "ms\tmin: " + minD + "ms\tmax: " + maxD + "ms\tDecryption Bps: " + (times*message.length*1000)/decrypttime);
}
}