Examples with CryptoException org.hyperledger.fabric.sdk.exception.CryptoException used on opensource projects

Example 11 with CryptoException

use of org.hyperledger.fabric.sdk.exception.CryptoException in project fabric-sdk-java by hyperledger.

the class CryptoPrimitivesTest method testGetSetProperties.

@Test
public void testGetSetProperties() throws Exception {
    Properties propsIn = new Properties();
    try {
        // use something different than default!
        final String expectHash = "SHA3";
        propsIn.setProperty(Config.SECURITY_LEVEL, "384");
        propsIn.setProperty(Config.HASH_ALGORITHM, expectHash);
        // testCrypto.setProperties(propsIn);
        // testCrypto.init();
        CryptoSuite testCrypto = CryptoSuiteFactory.getDefault().getCryptoSuite(propsIn);
        // assertEquals(BouncyCastleProvider.class, getField(testCrypto, "SECURITY_PROVIDER").getClass());
        String expectedCurve = config.getSecurityCurveMapping().get(384);
        assertEquals("secp384r1", expectedCurve);
        assertEquals(expectedCurve, getField(testCrypto, "curveName"));
        assertEquals(384, getField(testCrypto, "securityLevel"));
        Properties cryptoProps = ((CryptoPrimitives) testCrypto).getProperties();
        assertEquals(cryptoProps.getProperty(Config.SECURITY_LEVEL), "384");
        cryptoProps = testCrypto.getProperties();
        assertEquals(cryptoProps.getProperty(Config.HASH_ALGORITHM), expectHash);
        assertEquals(expectHash, getField(testCrypto, "hashAlgorithm"));
        assertEquals(cryptoProps.getProperty(Config.SECURITY_LEVEL), "384");
        // Should be exactly same instance as it has the same properties.
        assertEquals(testCrypto, CryptoSuiteFactory.getDefault().getCryptoSuite(propsIn));
    } catch (CryptoException | InvalidArgumentException e) {
        fail("testGetSetProperties should not throw exception. Error: " + e.getMessage());
    }
}

Example 12 with CryptoException

use of org.hyperledger.fabric.sdk.exception.CryptoException in project fabric-sdk-java by hyperledger.

the class CryptoPrimitives method resetConfiguration.

// /**
// * Shake256 hash the supplied byte data.
// *
// * @param in        byte array to be hashed.
// * @param bitLength of the result.
// * @return the hashed byte data.
// */
// public byte[] shake256(byte[] in, int bitLength) {
// 
// if (bitLength % 8 != 0) {
// throw new IllegalArgumentException("bit length not modulo 8");
// 
// }
// 
// final int byteLen = bitLength / 8;
// 
// SHAKEDigest sd = new SHAKEDigest(256);
// 
// sd.update(in, 0, in.length);
// 
// byte[] out = new byte[byteLen];
// 
// sd.doFinal(out, 0, byteLen);
// 
// return out;
// 
// }
/**
 * Resets curve name, hash algorithm and cert factory. Call this method when a config value changes
 *
 * @throws CryptoException
 * @throws InvalidArgumentException
 */
private void resetConfiguration() throws CryptoException, InvalidArgumentException {
    setSecurityLevel(securityLevel);
    setHashAlgorithm(hashAlgorithm);
    try {
        cf = CertificateFactory.getInstance(CERTIFICATE_FORMAT);
    } catch (CertificateException e) {
        CryptoException ex = new CryptoException("Cannot initialize " + CERTIFICATE_FORMAT + " certificate factory. Error = " + e.getMessage(), e);
        logger.error(ex.getMessage(), ex);
        throw ex;
    }
}

Example 13 with CryptoException

use of org.hyperledger.fabric.sdk.exception.CryptoException in project fabric-sdk-java by hyperledger.

the class CryptoPrimitives method addCACertificateToTrustStore.

/**
 * addCACertificateToTrustStore adds a CA cert to the set of certificates used for signature validation
 *
 * @param bytes an X.509 certificate in PEM format in bytes
 * @param alias an alias associated with the certificate. Used as shorthand for the certificate during crypto operations
 * @throws CryptoException
 * @throws InvalidArgumentException
 */
public void addCACertificateToTrustStore(byte[] bytes, String alias) throws CryptoException, InvalidArgumentException {
    if (bytes == null) {
        throw new InvalidArgumentException("The certificate cannot be null");
    }
    if (alias == null || alias.isEmpty()) {
        throw new InvalidArgumentException("You must assign an alias to a certificate when adding to the trust store");
    }
    BufferedInputStream bis;
    try {
        bis = new BufferedInputStream(new ByteArrayInputStream(bytes));
        Certificate caCert = cf.generateCertificate(bis);
        addCACertificateToTrustStore(caCert, alias);
    } catch (CertificateException e) {
        throw new CryptoException("Unable to add CA certificate to trust store. Error: " + e.getMessage(), e);
    }
}

Example 14 with CryptoException

use of org.hyperledger.fabric.sdk.exception.CryptoException in project fabric-sdk-java by hyperledger.

the class CryptoPrimitives method bytesToPrivateKey.

/**
 * Return PrivateKey  from pem bytes.
 *
 * @param pemKey pem-encoded private key
 * @return
 */
public PrivateKey bytesToPrivateKey(byte[] pemKey) throws CryptoException {
    PrivateKey pk = null;
    CryptoException ce = null;
    try {
        PemReader pr = new PemReader(new StringReader(new String(pemKey)));
        PemObject po = pr.readPemObject();
        PEMParser pem = new PEMParser(new StringReader(new String(pemKey)));
        logger.debug("found private key with type " + po.getType());
        if (po.getType().equals("PRIVATE KEY")) {
            pk = new JcaPEMKeyConverter().getPrivateKey((PrivateKeyInfo) pem.readObject());
        } else {
            PEMKeyPair kp = (PEMKeyPair) pem.readObject();
            pk = new JcaPEMKeyConverter().getPrivateKey(kp.getPrivateKeyInfo());
        }
    } catch (Exception e) {
        throw new CryptoException("Failed to convert private key bytes", e);
    }
    return pk;
}

Example 15 with CryptoException

use of org.hyperledger.fabric.sdk.exception.CryptoException in project fabric-sdk-java by hyperledger.

the class CryptoPrimitives method generateKey.

private KeyPair generateKey(String encryptionName, String curveName) throws CryptoException {
    try {
        ECGenParameterSpec ecGenSpec = new ECGenParameterSpec(curveName);
        KeyPairGenerator g = SECURITY_PROVIDER == null ? KeyPairGenerator.getInstance(encryptionName) : KeyPairGenerator.getInstance(encryptionName, SECURITY_PROVIDER);
        g.initialize(ecGenSpec, new SecureRandom());
        return g.generateKeyPair();
    } catch (Exception exp) {
        throw new CryptoException("Unable to generate key pair", exp);
    }
}