Examples with CryptoException co.krypt.krypton.exception.CryptoException used on opensource projects

Example 21 with CryptoException

use of co.krypt.krypton.exception.CryptoException in project krypton-android by kryptco.

the class EdSSHKeyPair method signDigestAppendingPubkey.

@Override
public byte[] signDigestAppendingPubkey(byte[] data, String algo) throws CryptoException {
    try {
        ByteArrayOutputStream dataWithPubkey = new ByteArrayOutputStream();
        dataWithPubkey.write(data);
        dataWithPubkey.write(SSHWire.encode(publicKeySSHWireFormat()));
        byte[] signaturePayload = dataWithPubkey.toByteArray();
        return signDigest(signaturePayload);
    } catch (IOException | SignatureException | InvalidKeyException e) {
        e.printStackTrace();
        throw new CryptoException(e);
    }
}

Example 22 with CryptoException

use of co.krypt.krypton.exception.CryptoException in project krypton-android by kryptco.

the class RSAKeyManager method loadOrGenerateNoDigestKeyPair.

/*
    For backwards compatibility testing
     */
@Deprecated
public SSHKeyPairI loadOrGenerateNoDigestKeyPair(String tag) throws CryptoException {
    synchronized (lock) {
        try {
            KeyStore keyStore = KeyStore.getInstance("AndroidKeyStore");
            keyStore.load(null);
            KeyStore.Entry privateKeyEntry = keyStore.getEntry(tag, null);
            if (privateKeyEntry instanceof KeyStore.PrivateKeyEntry) {
                return new RSASSHKeyPair(new KeyPair(((KeyStore.PrivateKeyEntry) privateKeyEntry).getCertificate().getPublicKey(), ((KeyStore.PrivateKeyEntry) privateKeyEntry).getPrivateKey()), 0);
            } else {
                Log.w(LOG_TAG, "Not an instance of a PrivateKeyEntry");
            }
            KeyPair keyPair = null;
            KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(KeyProperties.KEY_ALGORITHM_RSA, "AndroidKeyStore");
            keyPairGenerator.initialize(new KeyGenParameterSpec.Builder(tag, KeyProperties.PURPOSE_SIGN).setDigests(KeyProperties.DIGEST_NONE).setSignaturePaddings(KeyProperties.SIGNATURE_PADDING_RSA_PKCS1).setKeySize(3072).setUserAuthenticationRequired(false).build());
            long genStart = System.currentTimeMillis();
            keyPair = keyPairGenerator.generateKeyPair();
            long genStop = System.currentTimeMillis();
            Log.i(LOG_TAG, "KeyGen took " + String.valueOf((genStop - genStart)));
            return new RSASSHKeyPair(keyPair, 0);
        } catch (CertificateException e) {
            throw new CryptoException(e.getMessage());
        } catch (InvalidAlgorithmParameterException e) {
            throw new CryptoException(e.getMessage());
        } catch (IOException e) {
            throw new CryptoException(e.getMessage());
        } catch (KeyStoreException e) {
            throw new CryptoException(e.getMessage());
        } catch (NoSuchAlgorithmException e) {
            throw new CryptoException(e.getMessage());
        } catch (NoSuchProviderException e) {
            throw new CryptoException(e.getMessage());
        } catch (ProviderException e) {
            throw new CryptoException(e.getMessage());
        } catch (UnrecoverableEntryException e) {
            throw new CryptoException(e.getMessage());
        } catch (UnsupportedOperationException e) {
            throw new CryptoException(e.getMessage());
        }
    }
}

Example 23 with CryptoException

use of co.krypt.krypton.exception.CryptoException in project krypton-android by kryptco.

the class Pairing method seal.

public byte[] seal(byte[] message) throws CryptoException {
    byte[] nonce = SecureRandom.getSeed(Sodium.crypto_box_noncebytes());
    byte[] sealed = new byte[message.length + Sodium.crypto_box_macbytes()];
    if (0 != Sodium.crypto_box_easy(sealed, message, message.length, nonce, workstationPublicKey, enclaveSecretKey)) {
        throw new SodiumException("crypto_box_easy failed");
    }
    ByteArrayOutputStream nonceAndSealed = new ByteArrayOutputStream();
    try {
        nonceAndSealed.write(nonce);
        nonceAndSealed.write(sealed);
    } catch (IOException e) {
        throw new CryptoException(e.getMessage());
    }
    return nonceAndSealed.toByteArray();
}