Created
August 27, 2016 08:22
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[Java] Salt collision finder
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int maxSalts = 1234567, | |
saltBytes = 4; | |
long cnt1 = 0L, | |
step0 = 1000000L, | |
step1 = 1000000L; | |
System.out.println("Assigning array"); | |
long time = System.nanoTime(); | |
byte[][] test = new byte[maxSalts][saltBytes]; | |
System.out.println("Done in " + (System.nanoTime() - time) / 1e9); | |
System.out.println("Generating salts"); | |
time = System.nanoTime(); | |
for (int i = 0; i < maxSalts; i++) { | |
if (i != 0 && i % step0 == 0) { | |
System.out.println(i / step0 + "/" + maxSalts / step0); | |
} | |
test[i] = GPCrypto.randomGen(saltBytes); | |
} | |
System.out.println("Done in " + (System.nanoTime() - time) / 1e9); | |
System.out.println("Searching duplicates"); | |
time = System.nanoTime(); | |
for (int i = 0; i < maxSalts; i++) { | |
for (int j = i + 1; j < maxSalts; j++) { | |
cnt1++; | |
if (cnt1 % step1 == 0) { | |
System.out.println(cnt1 / step1 + "/" + "6.21590E6984214"); | |
} | |
if (test[i] == test[j] && i != j) { | |
System.out.println("Found match at indexes " + i + " and " + j); | |
System.out.println("Salt is " + Hex.toHexString(test[j])); | |
} | |
} | |
} | |
System.out.println("Done in " + (System.nanoTime() - time) / 1e9); |
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