Example usage for org.apache.commons.lang3 RandomUtils nextBytes

Introduction

In this page you can find the example usage for org.apache.commons.lang3 RandomUtils nextBytes.

Prototype

public static byte[] nextBytes(final int count)

Source Link

Document

Creates an array of random bytes.

Usage

From source file:mb.impostor.bytearray.RandByteArray.java

public byte[] randDataGen(String type, int count) {
    byte[] randbuf;
    if (type.compareToIgnoreCase("NRandom") == 0) {
        randbuf = RandomUtils.nextBytes(new Random().nextInt(count));
        return randbuf;
    } else if (type.compareToIgnoreCase("Random") == 0) {
        randbuf = RandomUtils.nextBytes(count);

        return randbuf;
    } else if (type.compareToIgnoreCase("RandString") == 0) {
        String s = RandomStringUtils.randomAlphanumeric(count);

        return s.getBytes();
    } else {/*  w  w w  . ja  v  a 2 s. co  m*/
        return null;
    }

}

From source file:ServerMultipart.java

private static void multipartUpload(ServerSideMultipartManager multipart) {
    String uploadObject = "/" + mantaUsername + "/stor/multipart";

    // We catch network errors and handle them here
    try {/*  ww  w .j av a2 s.c o m*/
        ServerSideMultipartUpload upload = multipart.initiateUpload(uploadObject);
        MantaMultipartUploadPart part1 = multipart.uploadPart(upload, 1, RandomUtils.nextBytes(5242880));
        MantaMultipartUploadPart part2 = multipart.uploadPart(upload, 2, RandomUtils.nextBytes(1000000));

        // Complete the process by instructing Manta to assemble the final object from its parts
        MantaMultipartUploadTuple[] parts = new MantaMultipartUploadTuple[] { part1, part2 };
        Stream<MantaMultipartUploadTuple> partsStream = Arrays.stream(parts);
        multipart.complete(upload, partsStream);

        System.out.println(uploadObject + " is now assembled!");
    } catch (IOException e) {
        // This catch block is for general network failures
        // For example, ServerSideMultipartUpload.initiateUpload can throw an IOException

        ContextedRuntimeException exception = new ContextedRuntimeException(
                "A network error occurred when doing a multipart upload to Manta.");
        exception.setContextValue("path", uploadObject);

        throw exception;
    }
}

From source file:cherry.goods.crypto.NullCryptoTest.java

@Test
public void testEncodeDecode() {
    NullCrypto crypto = new NullCrypto();
    for (int i = 0; i < 100; i++) {
        byte[] plain = RandomUtils.nextBytes(1024);
        byte[] enc = crypto.encrypt(plain);
        assertThat(enc, is(plain));/*w  w w.j av a2  s. c  om*/
        byte[] dec = crypto.decrypt(enc);
        assertThat(dec, is(enc));
    }
}

From source file:cherry.goods.crypto.NullSignatureTest.java

@Test
public void testSignVerify() {
    NullSignature signature = new NullSignature();
    for (int i = 0; i < 100; i++) {
        byte[] plain = RandomUtils.nextBytes(1024);
        byte[] signed = signature.sign(plain);
        assertThat(signed, is(plain));//w  w w  .j  a  v  a 2s . c o  m
        assertTrue(signature.verify(plain, signed));
    }
}

From source file:ch.cyberduck.core.io.FileBufferTest.java

@Test
public void testTruncate() throws Exception {
    final FileBuffer buffer = new FileBuffer();
    assertEquals(0L, buffer.length(), 0L);
    final byte[] chunk = RandomUtils.nextBytes(100);
    buffer.write(chunk, 0L);//from   ww  w  . ja  va2 s  . c  o m
    assertEquals(100L, buffer.length(), 0L);
    buffer.truncate(1L);
    assertEquals(1L, buffer.length(), 0L);
    final byte[] read = new byte[1];
    assertEquals(1, buffer.read(read, 0L));
    assertEquals(chunk[0], read[0]);
    assertEquals(1L, buffer.length(), 0L);
}

From source file:cherry.goods.crypto.AESDeterministicCryptoTest.java

@Test
public void testDefault() throws Exception {

    AESDeterministicCrypto crypto = new AESDeterministicCrypto();
    crypto.setSecretKeyBytes(RandomUtils.nextBytes(16));
    crypto.setInitVectorBytes(RandomUtils.nextBytes(16));

    for (int i = 0; i < 100; i++) {
        byte[] plain = RandomUtils.nextBytes(1024);
        byte[] enc = crypto.encrypt(plain);
        byte[] dec = crypto.decrypt(enc);
        assertThat(dec, is(plain));/* w  ww  . j a v  a  2 s  .  c o m*/
    }
}

From source file:cherry.foundation.crypto.AESCryptoSupportTest.java

@Test
public void testDefault() throws Exception {

    AESCryptoSupport crypto = new AESCryptoSupport();
    crypto.setSecretKeyResource(new InMemoryResource(RandomUtils.nextBytes(16)));
    crypto.afterPropertiesSet();// w w w .jav a 2  s  . c  o  m

    for (int i = 0; i < 100; i++) {
        byte[] plain = RandomUtils.nextBytes(1024);
        byte[] enc = crypto.encrypt(plain);
        byte[] dec = crypto.decrypt(enc);
        assertThat(dec, is(plain));
    }
}

From source file:cherry.foundation.crypto.RSASignatureSupportTest.java

@Test
public void testSignVerify() throws Exception {
    RSASignatureSupport impl = createCrypto();
    for (int i = 0; i < 100; i++) {
        byte[] plain = RandomUtils.nextBytes(245);
        byte[] signed = impl.sign(plain);
        assertNotEquals(plain, signed);/*from w  ww  . j  a v  a2  s  .com*/
        assertTrue(impl.verify(plain, signed));
    }
}

From source file:cherry.goods.crypto.AESCryptoTest.java

@Test
public void testDefault() throws Exception {

    AESCrypto crypto = new AESCrypto();
    crypto.setSecretKeyBytes(RandomUtils.nextBytes(16));

    for (int i = 0; i < 100; i++) {
        byte[] plain = RandomUtils.nextBytes(1024);
        byte[] enc = crypto.encrypt(plain);
        byte[] dec = crypto.decrypt(enc);
        assertThat(dec, is(plain));/*ww  w.  j  a  va 2s  .c om*/
    }
}

From source file:cherry.foundation.crypto.AESDeterministicCryptoSupportTest.java

@Test
public void testDefault() throws Exception {

    AESDeterministicCryptoSupport crypto = new AESDeterministicCryptoSupport();
    crypto.setSecretKeyResource(new InMemoryResource(RandomUtils.nextBytes(16)));
    crypto.setInitVectorResource(new InMemoryResource(RandomUtils.nextBytes(16)));
    crypto.afterPropertiesSet();/*from   ww w . j  a  v a 2 s.c o m*/

    for (int i = 0; i < 100; i++) {
        byte[] plain = RandomUtils.nextBytes(1024);
        byte[] enc = crypto.encrypt(plain);
        byte[] dec = crypto.decrypt(enc);
        assertThat(dec, is(plain));
    }
}