Package javax.crypto

Examples of javax.crypto.Cipher.doFinal()

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            new IssuerAndSerialNumber(
                tbscertificatestructure.getIssuer(),
                tbscertificatestructure.getSerialNumber().getValue());
        Cipher cipher = Cipher.getInstance(algorithmidentifier.getObjectId().getId());
        cipher.init(1, x509certificate.getPublicKey());
        DEROctetString deroctetstring = new DEROctetString(cipher.doFinal(abyte0));
        RecipientIdentifier recipId = new RecipientIdentifier(issuerandserialnumber);
        return new KeyTransRecipientInfo( recipId, algorithmidentifier, deroctetstring);
    }
       
}
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  public byte[] encrypt(final String iAlgorithm, final Key iKey, final byte[] iData) throws OSecurityAccessException {
    Cipher c;
    try {
      c = Cipher.getInstance(iAlgorithm);
      c.init(Cipher.ENCRYPT_MODE, iKey);
      return c.doFinal(iData);
    } catch (Exception e) {
      throw new OSecurityException("Error on encrypting data", e);
    }
  }
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  public byte[] decrypt(final String iAlgorithm, final Key iKey, final byte[] iData) throws OSecurityAccessException {
    Cipher c;
    try {
      c = Cipher.getInstance(iAlgorithm);
      c.init(Cipher.DECRYPT_MODE, iKey);
      return c.doFinal(iData);
    } catch (Exception e) {
      throw new OSecurityException("Error on decrypting data", e);
    }
  }
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                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                while ((numBytes = serializedData.read(buf)) != -1) {
                    byte[] data = c.update(buf, 0, numBytes);
                    baos.write(data);
                }
                baos.write(c.doFinal());
                encryptedBytes = baos.toByteArray();
            } else {
                encryptedBytes = c.doFinal(serializedOctets);
                if (log.isDebugEnabled()) {
                    log.debug("Expected cipher.outputSize = " +
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                    baos.write(data);
                }
                baos.write(c.doFinal());
                encryptedBytes = baos.toByteArray();
            } else {
                encryptedBytes = c.doFinal(serializedOctets);
                if (log.isDebugEnabled()) {
                    log.debug("Expected cipher.outputSize = " +
                        Integer.toString(c.getOutputSize(serializedOctets.length)));
                }
            }
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        } catch (InvalidAlgorithmParameterException iape) {
            throw new XMLEncryptionException("empty", iape);
        }

        try {
            return c.doFinal(encryptedBytes, ivLen, encryptedBytes.length - ivLen);
        } catch (IllegalBlockSizeException ibse) {
            throw new XMLEncryptionException("empty", ibse);
        } catch (BadPaddingException bpe) {
            throw new XMLEncryptionException("empty", bpe);
        }
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    public boolean verifyPassword(String password) throws GeneralSecurityException {
        passwordHash = hashPassword(info, password);

        Cipher cipher = getCipher();

        byte[] verifier = cipher.doFinal(info.getVerifier().getVerifier());

        MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
        byte[] calcVerifierHash = sha1.digest(verifier);

        byte[] verifierHash = truncateOrPad(cipher.doFinal(info.getVerifier().getVerifierHash()), calcVerifierHash.length);
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        byte[] verifier = cipher.doFinal(info.getVerifier().getVerifier());

        MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
        byte[] calcVerifierHash = sha1.digest(verifier);

        byte[] verifierHash = truncateOrPad(cipher.doFinal(info.getVerifier().getVerifierHash()), calcVerifierHash.length);

        return Arrays.equals(calcVerifierHash, verifierHash);
    }

    /**
 
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        byte[] iv = generateIv(algorithm, verifier.getSalt(), null);

        SecretKey skey;
        skey = new SecretKeySpec(generateKey(pwHash, kVerifierInputBlock), "AES");
        Cipher cipher = getCipher(algorithm, mode, skey, iv);
        byte[] verifierHashInput = cipher.doFinal(verifier.getVerifier());

        MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
        byte[] trimmed = new byte[verifier.getSalt().length];
        System.arraycopy(verifierHashInput, 0, trimmed, 0, trimmed.length);
        byte[] hashedVerifier = sha1.digest(trimmed);
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        byte[] hashedVerifier = sha1.digest(trimmed);

        skey = new SecretKeySpec(generateKey(pwHash, kHashedVerifierBlock), "AES");
        iv = generateIv(algorithm, verifier.getSalt(), null);
        cipher = getCipher(algorithm, mode, skey, iv);
        byte[] verifierHash = cipher.doFinal(verifier.getVerifierHash());
        trimmed = new byte[hashedVerifier.length];
        System.arraycopy(verifierHash, 0, trimmed, 0, trimmed.length);

        if (Arrays.equals(trimmed, hashedVerifier)) {
            skey = new SecretKeySpec(generateKey(pwHash, kCryptoKeyBlock), "AES");
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