Example usage for org.apache.shiro.crypto SecureRandomNumberGenerator setSeed

Introduction

In this page you can find the example usage for org.apache.shiro.crypto SecureRandomNumberGenerator setSeed.

Prototype

public void setSeed(byte[] bytes) 

Source Link

Document

Seeds the backing SecureRandom SecureRandom instance with additional seed data.

Usage

From source file:com.azaptree.services.security.domain.config.impl.HashServiceConfig.java

License:Apache License

@Override
public HashService getHashService() {
    if (hashService != null) {
        return hashService;
    }//from w  w w .  ja va 2  s  .com
    final DefaultHashService service = new DefaultHashService();
    service.setGeneratePublicSalt(true);
    service.setPrivateSalt(ByteSource.Util.bytes(privateSalt));
    service.setHashAlgorithmName(hashAlgorithmName);
    service.setHashIterations(hashIterations);

    final SecureRandomNumberGenerator rng = new SecureRandomNumberGenerator();
    rng.setDefaultNextBytesSize(secureRandomNumberGeneratorNextBytesSize);
    final SecureRandom random = new SecureRandom();
    final byte rngSeed[] = new byte[20];
    random.nextBytes(rngSeed);
    rng.setSeed(rngSeed);

    service.setRandomNumberGenerator(rng);
    hashService = service;
    return service;
}

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