Package javax.crypto

Examples of javax.crypto.Cipher.wrap()

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            Cipher cipher = Cipher.getInstance(algorithm, bcProvider);

            cipher.init(Cipher.WRAP_MODE, keyFact.generateSecret(pbeSpec), defParams);

            out = cipher.wrap(key);
        }
        catch (Exception e)
        {
            throw new IOException("exception encrypting data - " + e.toString());
        }
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        throw new RuntimeException(e);
      }
    } else {
      Key plaintextKey = new SecretKeySpec(params.getPlaintextKey(), params.getAlgorithmName());
      try {
        byte[] encryptedSecretKey = cipher.wrap(plaintextKey);
        params.setEncryptedKey(encryptedSecretKey);
        params.setOpaqueKeyEncryptionKeyID(secretKeyCache.getPathToKeyName());
      } catch (InvalidKeyException e) {
        log.error(e);
        throw new RuntimeException(e);
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          throw new RuntimeException(e);
        }
      } else {
        Key plaintextKey = new SecretKeySpec(params.getPlaintextKey(), params.getAlgorithmName());
        try {
          byte[] encryptedSecretKey = cipher.wrap(plaintextKey);
          params.setEncryptedKey(encryptedSecretKey);
          params.setOpaqueKeyEncryptionKeyID(pathToKeyName);
        } catch (InvalidKeyException e) {
          log.error(e);
          throw new RuntimeException(e);
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                Cipher cipher = cryptoProvider == null
                    ? Cipher.getInstance(keyWrapAlgo)
                    : Cipher.getInstance(keyWrapAlgo, cryptoProvider)
                    ;
                cipher.init(Cipher.WRAP_MODE, kek, cryptoScheme.getSecureRandom());
                return new SecuredCEK(cipher.wrap(toBeEncrypted), keyWrapAlgo);
            }
            // fall back to the Encryption Only (EO) key encrypting method
            Cipher cipher;
            byte[] toBeEncryptedBytes = toBeEncrypted.getEncoded();
            String algo = kek.getAlgorithm();
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    try {
      // Should internally generate an IV
      // todo - allow user to set an IV
      c.init(Cipher.WRAP_MODE, _key);
      encryptedBytes = c.wrap(key);
    } catch (InvalidKeyException ike) {
      throw new XMLEncryptionException("empty", ike);
    } catch (IllegalBlockSizeException ibse) {
      throw new XMLEncryptionException("empty", ibse);
    }
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            if (oaepParameters == null) {
                c.init(Cipher.WRAP_MODE, this.key);
            } else {
                c.init(Cipher.WRAP_MODE, this.key, oaepParameters);
            }
            encryptedBytes = c.wrap(key);
        } catch (InvalidKeyException ike) {
            throw new XMLEncryptionException("empty", ike);
        } catch (IllegalBlockSizeException ibse) {
            throw new XMLEncryptionException("empty", ibse);
        } catch (InvalidAlgorithmParameterException e) {
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                Cipher keyCipher = HELPER.createAsymmetricCipher(keyEncAlg.getObjectId().getId(), prov);
                try
                {
                    keyCipher.init(Cipher.WRAP_MODE, pubKey, random);

                    encKey = new DEROctetString(keyCipher.wrap(key));
                }
                catch (GeneralSecurityException e)   // some providers do not support wrap
                {
                    keyCipher.init(Cipher.ENCRYPT_MODE, pubKey, random);
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                                                      DERObjectIdentifier.getInstance(ASN1Sequence.getInstance(keyEncAlg.getParameters()).getObjectAt(0)).getId(), prov);

                keyCipher.init(Cipher.WRAP_MODE, secKey, random);

                ASN1OctetString         encKey = new DEROctetString(
                                                        keyCipher.wrap(key));

                RecipientEncryptedKey rKey = new RecipientEncryptedKey(new KeyAgreeRecipientIdentifier(
                                                                            new IssuerAndSerialNumber(PrincipalUtil.getIssuerX509Principal(cert), cert.getSerialNumber())),
                                                 encKey);
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                Cipher              keyCipher = HELPER.createAsymmetricCipher(
                                                                  HELPER.getRFC3211WrapperName(secKey.getAlgorithm()), prov);

                keyCipher.init(Cipher.WRAP_MODE, secKey, random);

                ASN1OctetString         encKey = new DEROctetString(keyCipher.wrap(key));

                ASN1EncodableVector     v = new ASN1EncodableVector();

                v.add(new DERObjectIdentifier(secKey.getAlgorithm()));
                v.add(new DEROctetString(keyCipher.getIV()));
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                Cipher              keyCipher = HELPER.createAsymmetricCipher(
                                                               keyEncAlg.getObjectId().getId(), prov);

                keyCipher.init(Cipher.WRAP_MODE, secKey, random);

                ASN1OctetString         encKey = new DEROctetString(keyCipher.wrap(key));

                return new RecipientInfo(new KEKRecipientInfo(secKeyId, keyEncAlg, encKey));
            }
        }
    }
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