Example usage for org.bouncycastle.crypto.prng.drbg SP80090DRBG generate

Introduction

In this page you can find the example usage for org.bouncycastle.crypto.prng.drbg SP80090DRBG generate.

Prototype

int generate(byte[] output, byte[] additionalInput, boolean predictionResistant);

Source Link

Document

Populate a passed in array with random data.

Usage

From source file:org.cryptoworkshop.ximix.common.util.challenge.SeededChallenger.java

License:Apache License

private int makePositiveInt(SP80090DRBG drbg) {
    byte[] bytes = new byte[4];

    drbg.generate(bytes, null, false);

    return ((bytes[0] & 0x7f) << 24) | ((bytes[1] & 0xff) << 16) | ((bytes[2] & 0xff) << 8) | (bytes[3] & 0xff);
}

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