diff options
Diffstat (limited to 'core/src/test/java/org/bouncycastle/crypto/test/HCFamilyVecTest.java')
| -rw-r--r-- | core/src/test/java/org/bouncycastle/crypto/test/HCFamilyVecTest.java | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/core/src/test/java/org/bouncycastle/crypto/test/HCFamilyVecTest.java b/core/src/test/java/org/bouncycastle/crypto/test/HCFamilyVecTest.java deleted file mode 100644 index 51247e6a..00000000 --- a/core/src/test/java/org/bouncycastle/crypto/test/HCFamilyVecTest.java +++ /dev/null @@ -1,199 +0,0 @@ -package org.bouncycastle.crypto.test; - -import java.io.BufferedReader; -import java.io.IOException; -import java.io.InputStreamReader; -import java.io.Reader; - -import org.bouncycastle.crypto.CipherParameters; -import org.bouncycastle.crypto.StreamCipher; -import org.bouncycastle.crypto.engines.HC128Engine; -import org.bouncycastle.crypto.engines.HC256Engine; -import org.bouncycastle.crypto.params.KeyParameter; -import org.bouncycastle.crypto.params.ParametersWithIV; -import org.bouncycastle.util.Arrays; -import org.bouncycastle.util.encoders.Hex; -import org.bouncycastle.util.test.SimpleTest; - -/** - * HC-128 and HC-256 Tests. Based on the test vectors in the official reference - * papers, respectively: - * - * http://www.ecrypt.eu.org/stream/p3ciphers/hc/hc128_p3.pdf - * http://www.ecrypt.eu.org/stream/p3ciphers/hc/hc256_p3.pdf - */ -public class HCFamilyVecTest - extends SimpleTest -{ - private static class PeekableLineReader extends BufferedReader - { - public PeekableLineReader(Reader r) throws IOException - { - super(r); - - peek = super.readLine(); - } - - public String peekLine() - { - return peek; - } - - public String readLine() throws IOException - { - String tmp = peek; - peek = super.readLine(); - return tmp; - } - - private String peek; - } - - public String getName() - { - return "HC-128 and HC-256 (ecrypt)"; - } - - public void performTest() throws Exception - { - runTests(new HC128Engine(), "ecrypt_HC-128.txt"); - runTests(new HC256Engine(), "ecrypt_HC-256_128K_128IV.txt"); - runTests(new HC256Engine(), "ecrypt_HC-256_256K_128IV.txt"); - runTests(new HC256Engine(), "ecrypt_HC-256_128K_256IV.txt"); - runTests(new HC256Engine(), "ecrypt_HC-256_256K_256IV.txt"); - } - - private void runTests(StreamCipher hc, String fileName) throws IOException - { - Reader resource = new InputStreamReader(getClass().getResourceAsStream(fileName)); - PeekableLineReader r = new PeekableLineReader(resource); - runAllVectors(hc, fileName, r); - } - - private void runAllVectors(StreamCipher hc, String fileName, PeekableLineReader r) - throws IOException - { - for (;;) - { - String line = r.readLine(); - if (line == null) - { - break; - } - - line = line.trim(); - - if (line.startsWith("Set ")) - { - runVector(hc, fileName, r, dellChar(line, ':')); - } - } - } - - private String dellChar(String s, char c) - { - StringBuffer b = new StringBuffer(); - - for (int i = 0; i != s.length(); i++) - { - if (s.charAt(i) != c) - { - b.append(s.charAt(i)); - } - } - - return b.toString(); - } - - private void runVector(StreamCipher hc, String fileName, PeekableLineReader r, String vectorName) - throws IOException - { -// System.out.println(fileName + " => " + vectorName); - String hexKey = readBlock(r); - String hexIV = readBlock(r); - - CipherParameters cp = new KeyParameter(Hex.decode(hexKey)); - cp = new ParametersWithIV(cp, Hex.decode(hexIV)); - hc.init(true, cp); - - byte[] input = new byte[64]; - byte[] output = new byte[64]; - byte[] digest = new byte[64]; - int pos = 0; - - for (;;) - { - String line1 = r.peekLine().trim(); - int equalsPos = line1.indexOf('='); - String lead = line1.substring(0, equalsPos - 1); - - String hexData = readBlock(r); - byte[] data = Hex.decode(hexData); - - if (lead.equals("xor-digest")) - { - if (!Arrays.areEqual(data, digest)) - { - fail("Failed in " + fileName + " for test vector: " + vectorName + " at " + lead); -// System.out.println(fileName + " => " + vectorName + " failed at " + lead); return; - } - break; - } - - int posA = lead.indexOf('['); - int posB = lead.indexOf(".."); - int posC = lead.indexOf(']'); - int start = Integer.parseInt(lead.substring(posA + 1, posB)); - int end = Integer.parseInt(lead.substring(posB + 2, posC)); - - if (start % 64 != 0 || (end - start != 63)) - { - throw new IllegalStateException(vectorName + ": " + lead + " not on 64 byte boundaries"); - } - - while (pos < end) - { - hc.processBytes(input, 0, input.length, output, 0); - xor(digest, output); - pos += 64; - } - - if (!Arrays.areEqual(data, output)) - { - fail("Failed in " + fileName + " for test vector: " + vectorName + " at " + lead); -// System.out.println(fileName + " => " + vectorName + " failed at " + lead); return; - } - } - } - - private static String readBlock(PeekableLineReader r) throws IOException - { - String first = r.readLine().trim(); - String result = first.substring(first.lastIndexOf(' ') + 1); - - for (;;) - { - String peek = r.peekLine().trim(); - if (peek.length() < 1 || peek.indexOf('=') >= 0) - { - break; - } - result += r.readLine().trim(); - } - - return result; - } - - private static void xor(byte[] digest, byte[] block) - { - for (int i = 0; i < digest.length; ++i) - { - digest[i] ^= block[i]; - } - } - - public static void main(String[] args) - { - runTest(new HCFamilyVecTest()); - } -} |