blob: f66dc6bf62ee691fbe149ccc63aea4665ee7d74c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
package org.bouncycastle.pqc.jcajce.provider.test;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.spec.AlgorithmParameterSpec;
import javax.crypto.Cipher;
import org.bouncycastle.pqc.jcajce.provider.util.AsymmetricHybridCipher;
import org.bouncycastle.pqc.math.linearalgebra.ByteUtils;
/**
* Base class for unit tests of {@link AsymmetricHybridCipher}s.
*/
public abstract class AsymmetricHybridCipherTest
extends FlexiTest
{
/**
* the {@link KeyPairGenerator} to use for the test
*/
protected KeyPairGenerator kpg;
/**
* the {@link AsymmetricHybridCipher} to use for the test
*/
protected Cipher cipher;
private KeyPair keyPair;
private PublicKey pubKey;
private PrivateKey privKey;
private byte[] mBytes, cBytes, dBytes;
protected final void performEnDecryptionTest(int numPassesKPG,
int numPassesEncDec, int plainTextSize,
AlgorithmParameterSpec params)
{
try
{
for (int j = 0; j < numPassesKPG; j++)
{
// generate key pair
//kpg.initialize(params);
keyPair = kpg.genKeyPair();
pubKey = keyPair.getPublic();
privKey = keyPair.getPrivate();
for (int k = 1; k <= numPassesEncDec; k++)
{
// initialize for encryption
cipher.init(Cipher.ENCRYPT_MODE, pubKey, params, sr);
// generate random message
int mLength = rand.nextInt(plainTextSize) + 1;
mBytes = new byte[mLength];
rand.nextBytes(mBytes);
// encrypt
cBytes = cipher.doFinal(mBytes);
// initialize for decryption
cipher.init(Cipher.DECRYPT_MODE, privKey, params);
// decrypt
dBytes = cipher.doFinal(cBytes);
// compare
assertEquals(
"Encryption/decryption test failed for message \""
+ ByteUtils.toHexString(mBytes)
+ "\":\n actual decrypted text: "
+ ByteUtils.toHexString(dBytes)
+ "\n expected plain text: "
+ ByteUtils.toHexString(mBytes), mBytes,
dBytes);
}
}
}
catch (Exception e)
{
e.printStackTrace();
fail(e);
}
}
}
|
