Examples with AesCtrHmacStreamingKeyFormat com.google.crypto.tink.proto.AesCtrHmacStreamingKeyFormat used on opensource projects

Example 21 with AesCtrHmacStreamingKeyFormat

use of com.google.crypto.tink.proto.AesCtrHmacStreamingKeyFormat in project tink by google.

the class AesCtrHmacStreamingKeyManagerTest method validateKeyFormat_unkownHash_throws.

@Test
public void validateKeyFormat_unkownHash_throws() throws Exception {
    AesCtrHmacStreamingKeyFormat format = createKeyFormat().setParams(createParams().setHkdfHashType(HashType.UNKNOWN_HASH)).build();
    assertThrows(GeneralSecurityException.class, () -> factory.validateKeyFormat(format));
}

Example 22 with AesCtrHmacStreamingKeyFormat

use of com.google.crypto.tink.proto.AesCtrHmacStreamingKeyFormat in project tink by google.

the class AesCtrHmacStreamingKeyManagerTest method testAes128CtrHmacSha2561MBTemplate.

@Test
public void testAes128CtrHmacSha2561MBTemplate() throws Exception {
    KeyTemplate template = AesCtrHmacStreamingKeyManager.aes128CtrHmacSha2561MBTemplate();
    assertThat(template.getTypeUrl()).isEqualTo(new AesCtrHmacStreamingKeyManager().getKeyType());
    assertThat(template.getOutputPrefixType()).isEqualTo(KeyTemplate.OutputPrefixType.RAW);
    AesCtrHmacStreamingKeyFormat format = AesCtrHmacStreamingKeyFormat.parseFrom(template.getValue(), ExtensionRegistryLite.getEmptyRegistry());
    assertThat(format.getKeySize()).isEqualTo(16);
    assertThat(format.getParams().getDerivedKeySize()).isEqualTo(16);
    assertThat(format.getParams().getHkdfHashType()).isEqualTo(HashType.SHA256);
    assertThat(format.getParams().getHmacParams().getHash()).isEqualTo(HashType.SHA256);
    assertThat(format.getParams().getHmacParams().getTagSize()).isEqualTo(32);
    assertThat(format.getParams().getCiphertextSegmentSize()).isEqualTo(1 << 20);
}

Example 23 with AesCtrHmacStreamingKeyFormat

use of com.google.crypto.tink.proto.AesCtrHmacStreamingKeyFormat in project tink by google.

the class AesCtrHmacStreamingKeyManagerTest method createKey_values.

@Test
public void createKey_values() throws Exception {
    AesCtrHmacStreamingKeyFormat format = createKeyFormat().build();
    AesCtrHmacStreamingKey key = factory.createKey(format);
    assertThat(key.getVersion()).isEqualTo(0);
    assertThat(key.getKeyValue()).hasSize(format.getKeySize());
    assertThat(key.getParams()).isEqualTo(format.getParams());
}

Example 24 with AesCtrHmacStreamingKeyFormat

use of com.google.crypto.tink.proto.AesCtrHmacStreamingKeyFormat in project tink by google.

the class AesCtrHmacStreamingKeyManagerTest method createKey_multipleTimes_differentValues.

@Test
public void createKey_multipleTimes_differentValues() throws Exception {
    AesCtrHmacStreamingKeyFormat keyFormat = createKeyFormat().build();
    Set<String> keys = new TreeSet<>();
    // Calls newKey multiple times and make sure that they generate different keys.
    int numTests = 100;
    for (int i = 0; i < numTests; i++) {
        keys.add(TestUtil.hexEncode(factory.createKey(keyFormat).getKeyValue().toByteArray()));
    }
    assertThat(keys).hasSize(numTests);
}

Example 25 with AesCtrHmacStreamingKeyFormat

use of com.google.crypto.tink.proto.AesCtrHmacStreamingKeyFormat in project tink by google.

the class StreamingAeadKeyTemplatesTest method testAes128CtrHmacSha256_4KB.

@Test
public void testAes128CtrHmacSha256_4KB() throws Exception {
    KeyTemplate template = StreamingAeadKeyTemplates.AES128_CTR_HMAC_SHA256_4KB;
    assertEquals(new AesCtrHmacStreamingKeyManager().getKeyType(), template.getTypeUrl());
    assertEquals(OutputPrefixType.RAW, template.getOutputPrefixType());
    AesCtrHmacStreamingKeyFormat format = AesCtrHmacStreamingKeyFormat.parseFrom(template.getValue(), ExtensionRegistryLite.getEmptyRegistry());
    assertEquals(16, format.getKeySize());
    assertEquals(16, format.getParams().getDerivedKeySize());
    assertEquals(HashType.SHA256, format.getParams().getHkdfHashType());
    assertEquals(4096, format.getParams().getCiphertextSegmentSize());
    assertEquals(HashType.SHA256, format.getParams().getHmacParams().getHash());
    assertEquals(32, format.getParams().getHmacParams().getTagSize());
}