VirgilCardCrypto { public VirgilCrypto getVirgilCrypto() { return virgilCrypto; } VirgilCardCrypto();  VirgilCardCrypto(VirgilCrypto virgilCrypto); byte[] exportPublicKey(VirgilPublicKey publicKey); byte[] computeSha512(byte[] data); byte[] generateSignature(byte[] data, VirgilPrivateKey privateKey); VirgilCrypto getVirgilCrypto(); VirgilPublicKey importPublicKey(byte[] data); boolean verifySignature(byte[] signature, byte[] data, VirgilPublicKey publicKey);  }
@Test public void getVirgilCrypto() { VirgilCrypto crypto = this.cardCrypto.getVirgilCrypto(); assertNotNull(crypto); }