/**
* Silly Microbenchmark
*
* @throws CryptoException
*/
public void testBenchmark() throws CryptoException {
System.out.println("BigInteger encoding benchmarks:");
final int ITERATIONS = 100000;
final Runtime runtime = Runtime.getRuntime();
long start = System.currentTimeMillis();
long memstart = runtime.freeMemory();
for (int i = 0; i < ITERATIONS; i++) {
final String encoded = Base32.encode(TESTSTRINGS[i % TESTSTRINGS.length]);
assertEquals("TESTSTRINGS[" + i + "]", TYLER_OUTPUT[i % TESTSTRINGS.length], encoded);
}
long dur = System.currentTimeMillis() - start;
long memuse = memstart - runtime.freeMemory();
System.out.println(ITERATIONS + " iterations took: " + dur + "ms");
System.out.println(ITERATIONS + " iterations used: " + memuse + " bytes");
/*
System.out.println("\nWaterken encoding benchmarks:");
start=System.currentTimeMillis();
memstart=runtime.freeMemory();
for (int i=0;i<ITERATIONS;i++){
final String encoded = com.waterken.url.Base32.encode(TESTSTRINGS[i%TESTSTRINGS.length].getBytes());
assertEquals("TESTSTRINGS["+i+"]",TYLER_OUTPUT[i%TESTSTRINGS.length],encoded);
}
dur=System.currentTimeMillis()-start;
memuse=memstart-runtime.freeMemory();
System.out.println(ITERATIONS+" iterations took: "+dur+"ms");
System.out.println(ITERATIONS+" iterations used: "+memuse+" bytes");
*/
}
public void testBase32vsTyler() throws CryptoException {
for (int i = 0; i < TESTSTRINGS.length; i++) {
final String encoded = Base32.encode(TESTSTRINGS[i]);
assertEquals("TESTSTRINGS[" + i + "]", TYLER_OUTPUT[i], encoded);
}
}
public void testSHA1HomevsTyler() throws CryptoException {
for (int i = 0; i < TESTSTRINGS.length; i++) {
assertEquals(
"TESTSTRINGS[" + i + "]",
TYLER_SHA1_OUTPUT[i],
Base32.encode(CryptoTools.digest(TESTSTRINGS[i])));
}
}
public void testLength() throws CryptoException {
assertEquals(32, Base32.encode(CryptoTools.digest("hello")).length());
assertEquals(8, Base32.encode("hello").length());
assertEquals(10, Base32.encode("hello1").length());
assertEquals(12, Base32.encode("hello12").length());
assertEquals(13, Base32.encode("hello123").length());
assertEquals(15, Base32.encode("hello1234").length());
assertEquals(16, Base32.encode("hello12345").length());
assertEquals(18, Base32.encode("hello123456").length());
}
public void testSHA1vsDecodedOwn() throws CryptoException {
for (int i = 0; i < TESTSTRINGS.length; i++) {
String hash = Base32.encode(CryptoTools.digest(TESTSTRINGS[i]));
assertEquals(
"TESTSTRINGS[" + i + "]",
new String(CryptoTools.digest(TESTSTRINGS[i])),
new String(Base32.decode(hash)));
}
}
public void testBase32Codec() throws CryptoException {
for (int i = 0; i < TESTSTRINGS.length; i++) {
// System.out.print("Encoding: "+TESTSTRINGS[i]+" ...");
final String encoded = Base32.encode(TESTSTRINGS[i]);
System.out.println(" ->" + encoded);
assertEquals("TESTSTRINGS[" + i + "]", TESTSTRINGS[i].getBytes(), Base32.decode(encoded));
}
}
public String legalizeUsername(String friendlyUsername) {
try {
if (!ILLEGAL_USERNAME_PATTERN.matcher(friendlyUsername).find()) return friendlyUsername;
MessageDigest digest = MessageDigest.getInstance("SHA1");
digest.update(WeaveUtil.toAsciiBytes(friendlyUsername.toLowerCase()));
byte[] baseEncodedBytes = Base32.encode(digest.digest());
return WeaveUtil.toAsciiString(baseEncodedBytes);
} catch (GeneralSecurityException e) {
throw new Error(e);
}
}
