Examples of java.security.spec.PKCS8EncodedKeySpec

java.security.spec.PKCS8EncodedKeySpec
This class represents the ASN.1 encoding of a private key, encoded according to the ASN.1 type PrivateKeyInfo. The PrivateKeyInfo syntax is defined in the PKCS#8 standard as follows:
```
 PrivateKeyInfo ::= SEQUENCE { version Version, privateKeyAlgorithm PrivateKeyAlgorithmIdentifier, privateKey PrivateKey, attributes [0] IMPLICIT Attributes OPTIONAL } Version ::= INTEGER PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier PrivateKey ::= OCTET STRING Attributes ::= SET OF Attribute 
```
@author Jan Luehe @version 1.22, 11/17/05 @see java.security.Key @see java.security.KeyFactory @see KeySpec @see EncodedKeySpec @see X509EncodedKeySpec @since 1.2

                ASN1PrivateKeyInfo.verify(decryptedData);
            } catch (IOException e1) {
                throw new InvalidKeySpecException(
                        Messages.getString("crypto.29")); //$NON-NLS-1$
            }
            return new PKCS8EncodedKeySpec(decryptedData);
        } catch (IllegalStateException e) {
            throw new InvalidKeySpecException(e.getMessage());
        } catch (IllegalBlockSizeException e) {
            throw new InvalidKeySpecException(e.getMessage());
        } catch (BadPaddingException e) {

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                ASN1PrivateKeyInfo.verify(decryptedData);
            } catch (IOException e1) {
                throw new InvalidKeyException(
                        Messages.getString("crypto.29")); //$NON-NLS-1$
            }
            return new PKCS8EncodedKeySpec(decryptedData);
        } catch (NoSuchPaddingException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (InvalidAlgorithmParameterException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (IllegalStateException e) {

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                ASN1PrivateKeyInfo.verify(decryptedData);
            } catch (IOException e1) {
                throw new InvalidKeyException(
                        Messages.getString("crypto.29")); //$NON-NLS-1$
            }
            return new PKCS8EncodedKeySpec(decryptedData);
        } catch (NoSuchPaddingException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (InvalidAlgorithmParameterException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (IllegalStateException e) {

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                ASN1PrivateKeyInfo.verify(decryptedData);
            } catch (IOException e1) {
                throw new InvalidKeyException(
                        Messages.getString("crypto.29")); //$NON-NLS-1$
            }
            return new PKCS8EncodedKeySpec(decryptedData);
        } catch (NoSuchPaddingException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (InvalidAlgorithmParameterException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (IllegalStateException e) {

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    }


    public static void importPKCS8CertChain(KeyStore ks, String alias, byte[] keyBytes, String keyPass, byte[] certChain) throws InvalidKeySpecException, NoSuchAlgorithmException, CertificateException, KeyStoreException {
        // load the private key
        KeyFactory kf = KeyFactory.getInstance("RSA");
        PKCS8EncodedKeySpec keysp = new PKCS8EncodedKeySpec(keyBytes);
        PrivateKey pk = kf.generatePrivate(keysp);


        // load the cert chain
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        ByteArrayInputStream bais = new ByteArrayInputStream(certChain);

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        Class    spec)
    throws InvalidKeySpecException
    {
       if (spec.isAssignableFrom(PKCS8EncodedKeySpec.class) && key.getFormat().equals("PKCS#8"))
       {
               return new PKCS8EncodedKeySpec(key.getEncoded());
       }
       else if (spec.isAssignableFrom(X509EncodedKeySpec.class) && key.getFormat().equals("X.509"))
       {
               return new X509EncodedKeySpec(key.getEncoded());
       }

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                ASN1PrivateKeyInfo.verify(decryptedData);
            } catch (IOException e1) {
                throw new InvalidKeySpecException(
                        Messages.getString("crypto.29")); //$NON-NLS-1$
            }
            return new PKCS8EncodedKeySpec(decryptedData);
        } catch (IllegalStateException e) {
            throw new InvalidKeySpecException(e.getMessage());
        } catch (IllegalBlockSizeException e) {
            throw new InvalidKeySpecException(e.getMessage());
        } catch (BadPaddingException e) {

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                ASN1PrivateKeyInfo.verify(decryptedData);
            } catch (IOException e1) {
                throw new InvalidKeyException(
                        Messages.getString("crypto.29")); //$NON-NLS-1$
            }
            return new PKCS8EncodedKeySpec(decryptedData);
        } catch (NoSuchPaddingException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (InvalidAlgorithmParameterException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (IllegalStateException e) {

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                ASN1PrivateKeyInfo.verify(decryptedData);
            } catch (IOException e1) {
                throw new InvalidKeyException(
                        Messages.getString("crypto.29")); //$NON-NLS-1$
            }
            return new PKCS8EncodedKeySpec(decryptedData);
        } catch (NoSuchPaddingException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (InvalidAlgorithmParameterException e) {
            throw new NoSuchAlgorithmException(e.getMessage());
        } catch (IllegalStateException e) {

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        int dataLength = dataEnd - dataStart;
        byte[] keyContent = new byte[dataLength];


        System.arraycopy(keyBytes, dataStart, keyContent, 0, dataLength);


        PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(Base64Utils.
                decode(new String(keyContent)));
        try {
            KeyFactory keyFactory = KeyFactory.getInstance("RSA");
            return keyFactory.generatePrivate(pkcs8EncodedKeySpec);
        } catch (NoSuchAlgorithmException e) {

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