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package org.spongycastle.jce.provider.test;
import java.security.Key;
import java.security.Security;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.spongycastle.jcajce.spec.RepeatedSecretKeySpec;
import org.spongycastle.jce.provider.BouncyCastleProvider;
import org.spongycastle.util.encoders.Hex;
import org.spongycastle.util.test.SimpleTest;
/**
* test vectors based on NIST Special Publication 800-38A,
* "Recommendation for Block Cipher Modes of Operation"
*/
public class AESSICTest
extends SimpleTest
{
private byte[][] keys =
{
Hex.decode("2b7e151628aed2a6abf7158809cf4f3c"),
Hex.decode("8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b"),
Hex.decode("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4")
};
private byte[][] plain =
{
Hex.decode("6bc1bee22e409f96e93d7e117393172a"),
Hex.decode("ae2d8a571e03ac9c9eb76fac45af8e51"),
Hex.decode("30c81c46a35ce411e5fbc1191a0a52ef"),
Hex.decode("f69f2445df4f9b17ad2b417be66c3710")
};
private byte[][][] cipher =
{
{
Hex.decode("874d6191b620e3261bef6864990db6ce"),
Hex.decode("9806f66b7970fdff8617187bb9fffdff"),
Hex.decode("5ae4df3edbd5d35e5b4f09020db03eab"),
Hex.decode("1e031dda2fbe03d1792170a0f3009cee")
},
{
Hex.decode("1abc932417521ca24f2b0459fe7e6e0b"),
Hex.decode("090339ec0aa6faefd5ccc2c6f4ce8e94"),
Hex.decode("1e36b26bd1ebc670d1bd1d665620abf7"),
Hex.decode("4f78a7f6d29809585a97daec58c6b050")
},
{
Hex.decode("601ec313775789a5b7a7f504bbf3d228"),
Hex.decode("f443e3ca4d62b59aca84e990cacaf5c5"),
Hex.decode("2b0930daa23de94ce87017ba2d84988d"),
Hex.decode("dfc9c58db67aada613c2dd08457941a6")
}
};
public String getName()
{
return "AESSIC";
}
public void performTest()
throws Exception
{
Cipher c = Cipher.getInstance("AES/SIC/NoPadding", "SC");
//
// NIST vectors
//
for (int i = 0; i != keys.length; i++)
{
Key sk = new SecretKeySpec(keys[i], "AES");
c.init(
Cipher.ENCRYPT_MODE, sk,
new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF")));
for (int j = 0; j != plain.length; j++)
{
byte[] crypt = c.update(plain[j]);
if (!areEqual(crypt, cipher[i][j]))
{
fail("AESSIC encrypt failed: key " + i + " block " + j);
}
}
c.init(
Cipher.DECRYPT_MODE, sk,
new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF")));
for (int j = 0; j != plain.length; j++)
{
byte[] crypt = c.update(cipher[i][j]);
if (!areEqual(crypt, plain[j]))
{
fail("AESSIC decrypt failed: key " + i + " block " + j);
}
}
}
//
// check CTR also recognised.
//
c = Cipher.getInstance("AES/CTR/NoPadding", "SC");
Key sk = new SecretKeySpec(Hex.decode("2B7E151628AED2A6ABF7158809CF4F3C"), "AES");
c.init(
Cipher.ENCRYPT_MODE, sk,
new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFD0001")));
byte[] crypt = c.doFinal(Hex.decode("00000000000000000000000000000000"));
if (!areEqual(crypt, Hex.decode("D23513162B02D0F72A43A2FE4A5F97AB")))
{
fail("AESSIC failed test 2");
}
//
// check partial block processing
//
c = Cipher.getInstance("AES/CTR/NoPadding", "SC");
sk = new SecretKeySpec(Hex.decode("2B7E151628AED2A6ABF7158809CF4F3C"), "AES");
c.init(
Cipher.ENCRYPT_MODE, sk,
new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFD0001")));
crypt = c.doFinal(Hex.decode("12345678"));
c.init(
Cipher.DECRYPT_MODE, sk,
new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFD0001")));
crypt = c.doFinal(crypt);
if (!areEqual(crypt, Hex.decode("12345678")))
{
fail("AESSIC failed partial test");
}
// null key test
sk = new RepeatedSecretKeySpec("AES");
c.init(
Cipher.ENCRYPT_MODE, sk,
new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF")));
for (int j = 0; j != plain.length; j++)
{
crypt = c.update(plain[j]);
if (!areEqual(crypt, cipher[0][j]))
{
fail("AESSIC encrypt failed: key " + 0 + " block " + j);
}
}
}
public static void main(
String[] args)
{
Security.addProvider(new BouncyCastleProvider());
runTest(new AESSICTest());
}
}
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