EncryptionUtils (eu.ralph-schuster.baselib 1.2.5 API)

java.lang.Object
- rs.baselib.crypto.EncryptionUtils

```
public class EncryptionUtils
extends Object
```
Basic function for helping in encryption.

Author:

ralph

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`DEFAULT_ITERATIONS` The default number of iterations to be executed when creating the encrypting algorithm.
`static String`	`DEFAULT_SECRET_KEY_TYPE` The default secret key type to be generated from a password.
`static String`	`PASSWORD_CHARS` The default number of iterations to be executed when creating the encrypting algorithm.

Constructor Summary

Constructors
Constructor and Description

EncryptionUtils()

Constructors
Constructor and Description
`EncryptionUtils()`

Method Summary

Methods
Modifier and Type	Method and Description
`static byte[]`	`createMD5(byte[] b)` Creates an MD5 hash from the byte array.
`static byte[]`	`createMD5(String s)` Creates an MD5 hash from the string.
`static byte[]`	`crypt(byte[] bytes, Cipher cipher)` Transforms all bytes from the input array with a crypt alorithm and returns the transformed bytes.
`static byte[]`	`crypt(byte[] bytes, Cipher cipher, int blockSize)` Transforms all bytes from the input array with a crypt alorithm and returns the transformed bytes.
`static byte[]`	`decodeBase64(String s)` Decodes a BASE64 string into bytes.
`static PrivateKey`	`decodeBase64PrivateKey(String s)` Decodes a private DSA key from the BASE64 representation.
`static PrivateKey`	`decodeBase64PrivateKey(String s, String algorithm)` Decodes a private key from the BASE64 representation.
`static PublicKey`	`decodeBase64PublicKey(String s)` Decodes a public key (DSA) from the BASE64 representation.
`static PublicKey`	`decodeBase64PublicKey(String s, String algorithm)` Decodes a public key from the BASE64 representation.
`static String`	`decodeBase64ToString(String s)` Decodes a BASE64 string and generates the original string from the result.
`static String`	`decodeBase64ToString(String s, Charset charset)` Decodes a BASE64 string and generates the original string from the result.
`static String`	`encodeBase64(byte[] b)` Encodes a byte array into its BASE64 representation.
`static String`	`encodeBase64(PrivateKey key)` Encodes the private key into BASE64 representation.
`static String`	`encodeBase64(PublicKey key)` Encodes the public key into BASE64 representation.
`static String`	`encodeBase64(String s)` Encodes a string into its BASE64 representation.
`static String`	`encodeBase64(String s, Charset charset)` Encodes a string into its BASE64 representation.
`static String`	`encodeBase64Pkcs8(PrivateKey key)` Encodes the private key into BASE64 PKCS8 representation.
`static String`	`encodeBase64X509(PublicKey key)` Encodes the public key into BASE64 X.509 representation.
`static KeyPair`	`generateKey()` Generates a 512 byte RSA key pair.
`static KeyPair`	`generateKey(byte[] seed)` Generates a public/private key pair.
`static KeyPair`	`generateKey(int keySize)` Generates a RSA key pair of given size
`static KeyPair`	`generateKey(String seed)` Generates a public/private key pair.
`static KeyPair`	`generateKey(String seed, Charset charset)` Generates a public/private key pair.
`static KeyPair`	`generateKey(String algorithm, int keySize)` Generates a key pair.
`static PBEParameterSpec`	`generateParamSpec()` Creates a PBE Parameter specification randomly.
`static PBEParameterSpec`	`generateParamSpec(byte[] salt, int iterationCount)` Creates a PBE Parameter Spec for encryption algorithm.
`static String`	`generatePassword()` Creates a random password.
`static String`	`generatePassword(int length)` Creates a random password.
`static String`	`generatePassword(String allowedChars)` Creates a random password.
`static String`	`generatePassword(String allowedChars, long randomInit, int length)` Creates a random password.
`static byte[]`	`generateRandomBytes(long randomInit, int size)` Generate a random array of bytes
`static byte[]`	`generateSalt()` Creates a random salt array.
`static byte[]`	`generateSalt(long randomInit)` Creates a random salt array.
`static Provider[]`	`getKeyPairGenerators()` Returns all security providers.
`static KeySpec`	`getKeySpec(Key key)` Creates a key specification.
`static KeyStore`	`getKeyStore(InputStream in, char[] password)` Load the default keystore type.
`static KeyStore`	`getKeyStore(String filename, char[] password)` Load the default keystore type.
`static KeyStore`	`getKeyStore(String type, InputStream in, char[] password)` Load the given keystore.
`static KeyStore`	`getKeyStore(String type, String filename, char[] password)` Load the default keystore type.
`static SecretKey`	`getSecretKey(int iterationCount, String passPhrase, byte[] salt)`
`static PrivateKey`	`loadPrivateKey(File file, String algorithm)` Instantiates a `PrivateKey` from given file.
`static PrivateKey`	`loadPrivateKey(InputStream in, String algorithm)` Instantiates a `PrivateKey` from given stream.
`static PrivateKey`	`loadPrivateKey(Reader in, String algorithm)` Instantiates a `PrivateKey` from given reader.
`static PrivateKey`	`loadPrivateKey(String filename, String algorithm)` Instantiates a `PrivateKey` from given file.
`static PrivateKey`	`loadPrivateKey(URL url, String algorithm)` Instantiates a `PrivateKey` from given URL.
`static PublicKey`	`loadPublicKey(File file, String algorithm)` Instantiates a `PublicKey` from given file.
`static PublicKey`	`loadPublicKey(InputStream in, String algorithm)` Instantiates a `PublicKey` from given stream.
`static PublicKey`	`loadPublicKey(Reader in, String algorithm)` Instantiates a `PublicKey` from given reader.
`static PublicKey`	`loadPublicKey(String filename, String algorithm)` Instantiates a `PublicKey` from given file.
`static PublicKey`	`loadPublicKey(URL url, String algorithm)` Instantiates a `PublicKey` from given URL.
`static void`	`save(File file, PrivateKey key)` Saves a `PrivateKey` into given file.
`static void`	`save(File file, PublicKey key)` Saves a `PublicKey` into given file.
`static void`	`save(OutputStream out, PrivateKey key)` Saves a `PrivateKey` into given stream.
`static void`	`save(OutputStream out, PublicKey key)` Saves a `PublicKey` into given stream.
`static void`	`save(PrintWriter out, PrivateKey key)` Saves a `PrivateKey` into given writer.
`static void`	`save(PrintWriter out, PublicKey key)` Saves a `PublicKey` into given writer.
`static void`	`save(String filename, PrivateKey key)` Saves a `PrivateKey` into given file.
`static void`	`save(String filename, PublicKey key)` Saves a `PublicKey` into given file.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - DEFAULT_SECRET_KEY_TYPE
```
public static final String DEFAULT_SECRET_KEY_TYPE
```
    The default secret key type to be generated from a password.
    
    See Also:
    Constant Field Values
  - DEFAULT_ITERATIONS
```
public static final int DEFAULT_ITERATIONS
```
    The default number of iterations to be executed when creating the encrypting algorithm.
    
    See Also:
    Constant Field Values
  - PASSWORD_CHARS
```
public static final String PASSWORD_CHARS
```
    The default number of iterations to be executed when creating the encrypting algorithm.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - EncryptionUtils
```
public EncryptionUtils()
```
- Method Detail
  - getKeySpec
```
public static KeySpec getKeySpec(Key key)
                          throws InvalidKeySpecException,
                                 NoSuchAlgorithmException
```
    Creates a key specification.
    
    Returns:
    the PBE param spec
    
    Throws:
    
    InvalidKeySpecException
    
    NoSuchAlgorithmException
  - generateParamSpec
```
public static PBEParameterSpec generateParamSpec()
```
    Creates a PBE Parameter specification randomly.
    
    Returns:
    the PBE param spec
    See Also:
    generateParamSpec(byte[], int)
  - generateParamSpec
```
public static PBEParameterSpec generateParamSpec(byte[] salt,
                                 int iterationCount)
```
    Creates a PBE Parameter Spec for encryption algorithm.
    
    Parameters:
    salt - salt to be used (if NULL, a random one will be generated)
    iterationCount - number of iterations for encryption (if 0 then default number will be used)
    
    Returns:
    the generated PBE random spec
    See Also:
    DEFAULT_ITERATIONS, generateSalt(long)
  - generateSalt
```
public static byte[] generateSalt()
```
    Creates a random salt array.
    
    Returns:
    the random salt
  - generateSalt
```
public static byte[] generateSalt(long randomInit)
```
    Creates a random salt array.
    
    Parameters:
    randomInit - initializer
    
    Returns:
    the random salt
  - generateRandomBytes
```
public static byte[] generateRandomBytes(long randomInit,
                         int size)
```
    Generate a random array of bytes
    
    Parameters:
    randomInit - initializer
    size - size of returned array
    
    Returns:
    random byte array
  - generatePassword
```
public static String generatePassword()
```
    Creates a random password.
    
    Returns:
    the random password
  - generatePassword
```
public static String generatePassword(int length)
```
    Creates a random password.
    
    Parameters:
    length - length of password
    
    Returns:
    the random password
  - generatePassword
```
public static String generatePassword(String allowedChars)
```
    Creates a random password.
    
    Parameters:
    allowedChars - all characters allowed
    
    Returns:
    the random password
  - generatePassword
```
public static String generatePassword(String allowedChars,
                      long randomInit,
                      int length)
```
    Creates a random password.
    
    Parameters:
    allowedChars - allowedCharacters
    randomInit - initializer
    length - length of password
    
    Returns:
    the random password
  - getSecretKey
```
public static SecretKey getSecretKey(int iterationCount,
                     String passPhrase,
                     byte[] salt)
                              throws NoSuchAlgorithmException,
                                     InvalidKeySpecException
```
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
  - generateKey
```
public static KeyPair generateKey(String seed)
                           throws NoSuchProviderException,
                                  NoSuchAlgorithmException
```
    Generates a public/private key pair.
    
    Parameters:
    seed - seed to be used.
    
    Returns:
    key pair
    
    Throws:
    
    NoSuchProviderException
    
    NoSuchAlgorithmException
  - generateKey
```
public static KeyPair generateKey(String seed,
                  Charset charset)
                           throws NoSuchProviderException,
                                  NoSuchAlgorithmException
```
    Generates a public/private key pair.
    
    Parameters:
    seed - seed to be used.
    charset - the charset to be used for string encoding (null for default charset)
    
    Returns:
    key pair
    
    Throws:
    
    NoSuchProviderException
    
    NoSuchAlgorithmException
    Since:
    
    1.2.5
  - generateKey
```
public static KeyPair generateKey(byte[] seed)
                           throws NoSuchProviderException,
                                  NoSuchAlgorithmException
```
    Generates a public/private key pair.
    
    Parameters:
    seed - seed to be used.
    
    Returns:
    key pair
    
    Throws:
    
    NoSuchProviderException
    
    NoSuchAlgorithmException
  - generateKey
```
public static KeyPair generateKey()
                           throws NoSuchAlgorithmException
```
    Generates a 512 byte RSA key pair.
    
    Returns:
    the key pair
    
    Throws:
    
    NoSuchAlgorithmException
  - generateKey
```
public static KeyPair generateKey(int keySize)
                           throws NoSuchAlgorithmException
```
    Generates a RSA key pair of given size
    
    Parameters:
    keySize - the key size
    
    Returns:
    the key pair
    
    Throws:
    
    NoSuchAlgorithmException
  - generateKey
```
public static KeyPair generateKey(String algorithm,
                  int keySize)
                           throws NoSuchAlgorithmException
```
    Generates a key pair.
    
    Parameters:
    algorithm - algorithm, e.g. "RSA"
    keySize - teh key size
    
    Returns:
    the key pair
    
    Throws:
    
    NoSuchAlgorithmException
  - getKeyPairGenerators
```
public static Provider[] getKeyPairGenerators()
```
    Returns all security providers.
    
    Returns:
    all security providers
  - encodeBase64
```
public static String encodeBase64(PublicKey key)
```
    Encodes the public key into BASE64 representation.
    
    Parameters:
    key - public key
    
    Returns:
    BASE64 representation of key
  - encodeBase64X509
```
public static String encodeBase64X509(PublicKey key)
```
    Encodes the public key into BASE64 X.509 representation.
    
    Parameters:
    key - public key
    
    Returns:
    BASE64 representation of key
  - encodeBase64
```
public static String encodeBase64(PrivateKey key)
```
    Encodes the private key into BASE64 representation.
    
    Parameters:
    key - private key
    
    Returns:
    BASE64 representation of key
  - encodeBase64Pkcs8
```
public static String encodeBase64Pkcs8(PrivateKey key)
```
    Encodes the private key into BASE64 PKCS8 representation.
    
    Parameters:
    key - private key
    
    Returns:
    BASE64 representation of key
  - decodeBase64PublicKey
```
public static PublicKey decodeBase64PublicKey(String s)
                                       throws InvalidKeySpecException,
                                              NoSuchAlgorithmException
```
    Decodes a public key (DSA) from the BASE64 representation.
    
    Parameters:
    s - BASE64 representation
    
    Returns:
    public DSA key
    
    Throws:
    
    InvalidKeySpecException
    
    NoSuchAlgorithmException
  - decodeBase64PublicKey
```
public static PublicKey decodeBase64PublicKey(String s,
                              String algorithm)
                                       throws InvalidKeySpecException,
                                              NoSuchAlgorithmException
```
    Decodes a public key from the BASE64 representation.
    
    Parameters:
    s - BASE64 representation
    
    Returns:
    public key
    
    Throws:
    
    InvalidKeySpecException
    
    NoSuchAlgorithmException
  - decodeBase64PrivateKey
```
public static PrivateKey decodeBase64PrivateKey(String s)
                                         throws InvalidKeySpecException,
                                                NoSuchAlgorithmException
```
    Decodes a private DSA key from the BASE64 representation.
    
    Parameters:
    s - BASE64 representation
    
    Returns:
    public key
    
    Throws:
    
    InvalidKeySpecException
    
    NoSuchAlgorithmException
  - decodeBase64PrivateKey
```
public static PrivateKey decodeBase64PrivateKey(String s,
                                String algorithm)
                                         throws InvalidKeySpecException,
                                                NoSuchAlgorithmException
```
    Decodes a private key from the BASE64 representation.
    
    Parameters:
    s - BASE64 representation
    
    Returns:
    public key
    
    Throws:
    
    InvalidKeySpecException
    
    NoSuchAlgorithmException
  - decodeBase64ToString
```
public static String decodeBase64ToString(String s)
```
    Decodes a BASE64 string and generates the original string from the result.
    
    Parameters:
    s - BASE64 encoded string
    
    Returns:
    original string
    See Also:
    encodeBase64(String)
  - decodeBase64ToString
```
public static String decodeBase64ToString(String s,
                          Charset charset)
```
    Decodes a BASE64 string and generates the original string from the result.
    
    Parameters:
    s - BASE64 encoded string
    charset - the chracter set to be used for constructing the string (can be null for default charset)
    
    Returns:
    original string
    Since:
    
    1.2.5
    
    See Also:
    encodeBase64(String)
  - decodeBase64
```
public static byte[] decodeBase64(String s)
```
    Decodes a BASE64 string into bytes.
    
    Parameters:
    s - BASE64 encoded string
    
    Returns:
    bytes that were encoded.
  - encodeBase64
```
public static String encodeBase64(String s)
```
    Encodes a string into its BASE64 representation. The string is actually split into its bytes and then BASE64 encoded.
    
    Parameters:
    s - string to encode
    
    Returns:
    BASE64 representation
  - encodeBase64
```
public static String encodeBase64(String s,
                  Charset charset)
```
    Encodes a string into its BASE64 representation. The string is actually split into its bytes and then BASE64 encoded.
    
    Parameters:
    s - string to encode
    charset - the charset to be used for string encoding (null for default charset)
    
    Returns:
    BASE64 representation
    Since:
    
    1.2.5
  - encodeBase64
```
public static String encodeBase64(byte[] b)
```
    Encodes a byte array into its BASE64 representation.
    
    Parameters:
    b - bytes to encode
    
    Returns:
    BASE64 representation
  - getKeyStore
```
public static KeyStore getKeyStore(String filename,
                   char[] password)
                            throws IOException
```
    Load the default keystore type.
    
    Parameters:
    filename - filename
    password - password
    
    Returns:
    the key store loaded
    
    Throws:
    
    IOException
  - getKeyStore
```
public static KeyStore getKeyStore(String type,
                   String filename,
                   char[] password)
                            throws IOException
```
    Load the default keystore type.
    
    Parameters:
    filename - filename
    password - password
    
    Returns:
    the key store loaded
    
    Throws:
    
    IOException
  - getKeyStore
```
public static KeyStore getKeyStore(InputStream in,
                   char[] password)
                            throws IOException
```
    Load the default keystore type.
    
    Parameters:
    in - input stream
    password - password
    
    Returns:
    the key store loaded
    
    Throws:
    
    IOException
  - getKeyStore
```
public static KeyStore getKeyStore(String type,
                   InputStream in,
                   char[] password)
                            throws IOException
```
    Load the given keystore.
    
    Parameters:
    type - of keystore
    in - input stream
    password - password
    
    Returns:
    the key store loaded
    
    Throws:
    
    IOException
  - crypt
```
public static byte[] crypt(byte[] bytes,
           Cipher cipher)
                    throws IOException,
                           GeneralSecurityException
```
    Transforms all bytes from the input array with a crypt alorithm and returns the transformed bytes.
    
    Parameters:
    bytes - bytes to crypt
    cipher - crypt alorithm used
    
    Returns:
    crypted bytes
    
    Throws:
    
    IOException
    
    GeneralSecurityException
  - crypt
```
public static byte[] crypt(byte[] bytes,
           Cipher cipher,
           int blockSize)
                    throws IOException,
                           GeneralSecurityException
```
    Transforms all bytes from the input array with a crypt alorithm and returns the transformed bytes.
    
    Parameters:
    bytes - bytes to crypt
    cipher - crypt alorithm used
    blockSize - block size to be applied (or 0 if none)
    
    Returns:
    crypted bytes
    
    Throws:
    
    IOException
    
    GeneralSecurityException
  - createMD5
```
public static byte[] createMD5(String s)
```
    Creates an MD5 hash from the string.
    
    Parameters:
    s - string to create the hash from
    
    Returns:
    the MD5 hash
  - createMD5
```
public static byte[] createMD5(byte[] b)
```
    Creates an MD5 hash from the byte array.
    
    Parameters:
    b - bytes to create the hash from
    
    Returns:
    the MD5 hash
  - loadPrivateKey
```
public static PrivateKey loadPrivateKey(File file,
                        String algorithm)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeySpecException,
                                        IOException
```
    Instantiates a PrivateKey from given file.
    
    Parameters:
    file - file where private key is stored in BASE64 PKCS8 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the private key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - loadPrivateKey
```
public static PrivateKey loadPrivateKey(String filename,
                        String algorithm)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeySpecException,
                                        IOException
```
    Instantiates a PrivateKey from given file.
    
    Parameters:
    filename - file where private key is stored in BASE64 PKCS8 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the private key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - loadPrivateKey
```
public static PrivateKey loadPrivateKey(URL url,
                        String algorithm)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeySpecException,
                                        IOException
```
    Instantiates a PrivateKey from given URL.
    
    Parameters:
    url - URL where private key is stored in BASE64 PKCS8 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the private key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - loadPrivateKey
```
public static PrivateKey loadPrivateKey(InputStream in,
                        String algorithm)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeySpecException,
                                        IOException
```
    Instantiates a PrivateKey from given stream.
    
    Parameters:
    in - stream where private key is stored in BASE64 PKCS8 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the private key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - loadPrivateKey
```
public static PrivateKey loadPrivateKey(Reader in,
                        String algorithm)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeySpecException,
                                        IOException
```
    Instantiates a PrivateKey from given reader.
    
    Parameters:
    in - reader where private key is stored in BASE64 PKCS8 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the private key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - loadPublicKey
```
public static PublicKey loadPublicKey(File file,
                      String algorithm)
                               throws NoSuchAlgorithmException,
                                      InvalidKeySpecException,
                                      IOException
```
    Instantiates a PublicKey from given file.
    
    Parameters:
    file - file where private key is stored in BASE64 X.509 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the public key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - loadPublicKey
```
public static PublicKey loadPublicKey(String filename,
                      String algorithm)
                               throws NoSuchAlgorithmException,
                                      InvalidKeySpecException,
                                      IOException
```
    Instantiates a PublicKey from given file.
    
    Parameters:
    filename - name of file where private key is stored in BASE64 X.509 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the public key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - loadPublicKey
```
public static PublicKey loadPublicKey(URL url,
                      String algorithm)
                               throws NoSuchAlgorithmException,
                                      InvalidKeySpecException,
                                      IOException
```
    Instantiates a PublicKey from given URL.
    
    Parameters:
    url - URL where private key is stored in BASE64 X.509 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the public key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - loadPublicKey
```
public static PublicKey loadPublicKey(InputStream in,
                      String algorithm)
                               throws NoSuchAlgorithmException,
                                      InvalidKeySpecException,
                                      IOException
```
    Instantiates a PublicKey from given stream.
    
    Parameters:
    in - stream where private key is stored in BASE64 X.509 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the public key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - loadPublicKey
```
public static PublicKey loadPublicKey(Reader in,
                      String algorithm)
                               throws NoSuchAlgorithmException,
                                      InvalidKeySpecException,
                                      IOException
```
    Instantiates a PublicKey from given reader.
    
    Parameters:
    in - reader where private key is stored in BASE64 X.509 encoding
    algorithm - algorithm that the key used
    
    Returns:
    the public key
    
    Throws:
    
    NoSuchAlgorithmException
    
    InvalidKeySpecException
    
    IOException
  - save
```
public static void save(File file,
        PrivateKey key)
                 throws IOException
```
    Saves a PrivateKey into given file.
    
    Parameters:
    file - file where private key will be stored in BASE64 PKCS8 encoding
    key - key to be stored
    
    Throws:
    
    IOException - when key cannot be stored
  - save
```
public static void save(String filename,
        PrivateKey key)
                 throws IOException
```
    Saves a PrivateKey into given file.
    
    Parameters:
    filename - name of file where private key will be stored in BASE64 PKCS8 encoding
    key - key to be stored
    
    Throws:
    
    IOException - when key cannot be stored
  - save
```
public static void save(OutputStream out,
        PrivateKey key)
                 throws IOException
```
    Saves a PrivateKey into given stream.
    
    Parameters:
    out - stream where private key will be stored in BASE64 PKCS8 encoding
    key - key to be stored
    
    Throws:
    
    IOException - when key cannot be stored
  - save
```
public static void save(PrintWriter out,
        PrivateKey key)
                 throws IOException
```
    Saves a PrivateKey into given writer.
    
    Parameters:
    out - writer where private key will be stored in BASE64 PKCS8 encoding
    key - key to be stored
    
    Throws:
    
    IOException - when key cannot be stored
  - save
```
public static void save(File file,
        PublicKey key)
                 throws IOException
```
    Saves a PublicKey into given file.
    
    Parameters:
    file - file where private key will be stored in BASE64 X.509 encoding
    key - key to be stored
    
    Throws:
    
    IOException - when key cannot be stored
  - save
```
public static void save(String filename,
        PublicKey key)
                 throws IOException
```
    Saves a PublicKey into given file.
    
    Parameters:
    filename - name of file where private key will be stored in BASE64 X.509 encoding
    key - key to be stored
    
    Throws:
    
    IOException - when key cannot be stored
  - save
```
public static void save(OutputStream out,
        PublicKey key)
                 throws IOException
```
    Saves a PublicKey into given stream.
    
    Parameters:
    out - stream where private key will be stored in BASE64 X.509 encoding
    key - key to be stored
    
    Throws:
    
    IOException - when key cannot be stored
  - save
```
public static void save(PrintWriter out,
        PublicKey key)
                 throws IOException
```
    Saves a PublicKey into given writer.
    
    Parameters:
    out - writer where private key will be stored in BASE64 X.509 encoding
    key - key to be stored
    
    Throws:
    
    IOException - when key cannot be stored

Class EncryptionUtils

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_SECRET_KEY_TYPE

DEFAULT_ITERATIONS

PASSWORD_CHARS

Constructor Detail

EncryptionUtils

Method Detail

getKeySpec

generateParamSpec

generateParamSpec

generateSalt

generateSalt

generateRandomBytes

generatePassword

generatePassword

generatePassword

generatePassword

getSecretKey

generateKey

generateKey

generateKey

generateKey

generateKey

generateKey

getKeyPairGenerators

encodeBase64

encodeBase64X509

encodeBase64

encodeBase64Pkcs8

decodeBase64PublicKey

decodeBase64PublicKey

decodeBase64PrivateKey

decodeBase64PrivateKey

decodeBase64ToString

decodeBase64ToString

decodeBase64

encodeBase64

encodeBase64

encodeBase64

getKeyStore

getKeyStore

getKeyStore

getKeyStore

crypt

crypt

createMD5

createMD5

loadPrivateKey

loadPrivateKey

loadPrivateKey

loadPrivateKey

loadPrivateKey

loadPublicKey

loadPublicKey

loadPublicKey

loadPublicKey

loadPublicKey

save

save

save

save

save

save

save

save