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

Example 16 with EciesHkdfKemParams

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

the class HybridKeyTemplatesTest method testCreateEciesAeadHkdfKeyTemplate.

@Test
public void testCreateEciesAeadHkdfKeyTemplate() throws Exception {
    // Intentionally using "weird" or invalid values for parameters,
    // to test that the function correctly puts them in the resulting template.
    EllipticCurveType curveType = EllipticCurveType.NIST_P384;
    HashType hashType = HashType.SHA512;
    EcPointFormat ecPointFormat = EcPointFormat.COMPRESSED;
    KeyTemplate demKeyTemplate = AeadKeyTemplates.AES256_EAX;
    String salt = "some salt";
    KeyTemplate template = HybridKeyTemplates.createEciesAeadHkdfKeyTemplate(curveType, hashType, ecPointFormat, demKeyTemplate, OutputPrefixType.TINK, salt.getBytes(UTF_8));
    assertEquals(new EciesAeadHkdfPrivateKeyManager().getKeyType(), template.getTypeUrl());
    assertEquals(OutputPrefixType.TINK, template.getOutputPrefixType());
    EciesAeadHkdfKeyFormat format = EciesAeadHkdfKeyFormat.parseFrom(template.getValue(), ExtensionRegistryLite.getEmptyRegistry());
    assertTrue(format.hasParams());
    assertTrue(format.getParams().hasKemParams());
    assertTrue(format.getParams().hasDemParams());
    assertTrue(format.getParams().getDemParams().hasAeadDem());
    assertEquals(ecPointFormat, format.getParams().getEcPointFormat());
    EciesHkdfKemParams kemParams = format.getParams().getKemParams();
    assertEquals(curveType, kemParams.getCurveType());
    assertEquals(hashType, kemParams.getHkdfHashType());
    assertEquals(salt, kemParams.getHkdfSalt().toStringUtf8());
    assertEquals(AeadKeyTemplates.AES256_EAX.toString(), format.getParams().getDemParams().getAeadDem().toString());
}

Example 17 with EciesHkdfKemParams

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

the class HybridKeyTemplatesTest method eciesP256HkdfHmacSha256Aes128CtrHmacSha256.

@Test
public void eciesP256HkdfHmacSha256Aes128CtrHmacSha256() throws Exception {
    KeyTemplate template = HybridKeyTemplates.ECIES_P256_HKDF_HMAC_SHA256_AES128_CTR_HMAC_SHA256;
    assertEquals(new EciesAeadHkdfPrivateKeyManager().getKeyType(), template.getTypeUrl());
    assertEquals(OutputPrefixType.TINK, template.getOutputPrefixType());
    EciesAeadHkdfKeyFormat format = EciesAeadHkdfKeyFormat.parseFrom(template.getValue(), ExtensionRegistryLite.getEmptyRegistry());
    assertTrue(format.hasParams());
    assertTrue(format.getParams().hasKemParams());
    assertTrue(format.getParams().hasDemParams());
    assertTrue(format.getParams().getDemParams().hasAeadDem());
    assertEquals(EcPointFormat.UNCOMPRESSED, format.getParams().getEcPointFormat());
    EciesHkdfKemParams kemParams = format.getParams().getKemParams();
    assertEquals(EllipticCurveType.NIST_P256, kemParams.getCurveType());
    assertEquals(HashType.SHA256, kemParams.getHkdfHashType());
    assertTrue(kemParams.getHkdfSalt().isEmpty());
    assertEquals(AeadKeyTemplates.AES128_CTR_HMAC_SHA256.toString(), format.getParams().getDemParams().getAeadDem().toString());
}

Example 18 with EciesHkdfKemParams

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

the class HybridKeyTemplatesTest method eciesP256HkdfHmaSha256Aes128Gcm.

@Test
public void eciesP256HkdfHmaSha256Aes128Gcm() throws Exception {
    KeyTemplate template = HybridKeyTemplates.ECIES_P256_HKDF_HMAC_SHA256_AES128_GCM;
    assertEquals(new EciesAeadHkdfPrivateKeyManager().getKeyType(), template.getTypeUrl());
    assertEquals(OutputPrefixType.TINK, template.getOutputPrefixType());
    EciesAeadHkdfKeyFormat format = EciesAeadHkdfKeyFormat.parseFrom(template.getValue(), ExtensionRegistryLite.getEmptyRegistry());
    assertTrue(format.hasParams());
    assertTrue(format.getParams().hasKemParams());
    assertTrue(format.getParams().hasDemParams());
    assertTrue(format.getParams().getDemParams().hasAeadDem());
    assertEquals(EcPointFormat.UNCOMPRESSED, format.getParams().getEcPointFormat());
    EciesHkdfKemParams kemParams = format.getParams().getKemParams();
    assertEquals(EllipticCurveType.NIST_P256, kemParams.getCurveType());
    assertEquals(HashType.SHA256, kemParams.getHkdfHashType());
    assertTrue(kemParams.getHkdfSalt().isEmpty());
    assertEquals(AeadKeyTemplates.AES128_GCM.toString(), format.getParams().getDemParams().getAeadDem().toString());
}