Package me.saro.commons.crypt

Interface Crypt

public interface Crypt

Crypt thread-safe

Since:

3.0

Author:

PARK Yong Seo

Method Summary

Modifier and Type	Method	Description
static Crypt	decrypt(java.lang.String transformation, byte[] key, byte[] iv)	decrypt
static Crypt	encrypt(java.lang.String transformation, byte[] key, byte[] iv)	encrypt
void	to(java.io.File in, java.io.File out, boolean overwrite)	input file -> (en/de)crypt -> output file
void	to(java.io.InputStream is, java.io.OutputStream os)	input -> (en/de)crypt -> output
default java.lang.String	toBase64(byte[] data)	to base64 string input bytes -> (en/de)crypt -> output base64 string
default java.lang.String	toBase64(byte[] data, int offset, int length)	to base64 string input bytes -> (en/de)crypt -> output base64 string
default java.lang.String	toBase64ByBase64(java.lang.String base64)	to base64 string input base64 string -> (en/de)crypt -> output base64 string
default java.lang.String	toBase64ByHex(java.lang.String hex)	to base64 string input hex string -> (en/de)crypt -> output base64 string
byte[]	toBytes(byte[] data)	to byte input bytes -> (en/de)crypt -> output bytes
byte[]	toBytes(byte[] data, int offset, int length)	to byte input bytes -> (en/de)crypt -> output bytes
default byte[]	toBytesByBase64(java.lang.String base64)	to byte input base64 string -> (en/de)crypt -> output bytes
default byte[]	toBytesByHex(java.lang.String hex)	to byte input hex string -> (en/de)crypt -> output bytes
default java.lang.String	toHex(byte[] data)	to hex string input bytes -> (en/de)crypt -> output hex string
default java.lang.String	toHex(byte[] data, int offset, int length)	to hex string input bytes -> (en/de)crypt -> output hex string
default java.lang.String	toHexByBase64(java.lang.String base64)	to hex string input base64 string -> (en/de)crypt -> output hex string
default java.lang.String	toHexByHex(java.lang.String hex)	to hex string input hex string -> (en/de)crypt -> output hex string

Method Detail

encrypt

static Crypt encrypt(java.lang.String transformation,
                     byte[] key,
                     byte[] iv)
              throws java.security.InvalidKeyException,
                     java.security.InvalidAlgorithmParameterException,
                     java.security.NoSuchAlgorithmException,
                     javax.crypto.NoSuchPaddingException

encrypt

Parameters:

transformation - ex) AES/CBC/PKCS5Padding

key - key

iv - iv

Returns:

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

decrypt

static Crypt decrypt(java.lang.String transformation,
                     byte[] key,
                     byte[] iv)
              throws java.security.InvalidKeyException,
                     java.security.InvalidAlgorithmParameterException,
                     java.security.NoSuchAlgorithmException,
                     javax.crypto.NoSuchPaddingException

decrypt

Parameters:

transformation - ex) AES/CBC/PKCS5Padding

key - key

iv - iv

Returns:

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

to

void to(java.io.InputStream is,
        java.io.OutputStream os)
 throws java.io.IOException

input -> (en/de)crypt -> output

Parameters:

is -

os -

Throws:

java.io.IOException

to

void to(java.io.File in,
        java.io.File out,
        boolean overwrite)
 throws java.io.IOException

input file -> (en/de)crypt -> output file

Parameters:

in -

out -

overwrite - the exist file

Throws:

java.io.IOException

toBytes

byte[] toBytes(byte[] data,
               int offset,
               int length)
        throws javax.crypto.IllegalBlockSizeException,
               javax.crypto.BadPaddingException

to byte
input bytes -> (en/de)crypt -> output bytes

Parameters:

data -

offset -

length -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toBytes

byte[] toBytes(byte[] data)
        throws javax.crypto.IllegalBlockSizeException,
               javax.crypto.BadPaddingException

to byte
input bytes -> (en/de)crypt -> output bytes

Parameters:

data -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toBytesByHex

default byte[] toBytesByHex(java.lang.String hex)
                     throws javax.crypto.IllegalBlockSizeException,
                            javax.crypto.BadPaddingException

to byte
input hex string -> (en/de)crypt -> output bytes

Parameters:

hex -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toBytesByBase64

default byte[] toBytesByBase64(java.lang.String base64)
                        throws javax.crypto.IllegalBlockSizeException,
                               javax.crypto.BadPaddingException

to byte
input base64 string -> (en/de)crypt -> output bytes

Parameters:

base64 -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toHex

default java.lang.String toHex(byte[] data,
                               int offset,
                               int length)
                        throws javax.crypto.IllegalBlockSizeException,
                               javax.crypto.BadPaddingException

to hex string
input bytes -> (en/de)crypt -> output hex string

Parameters:

data -

offset -

length -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toHex

default java.lang.String toHex(byte[] data)
                        throws javax.crypto.IllegalBlockSizeException,
                               javax.crypto.BadPaddingException

to hex string
input bytes -> (en/de)crypt -> output hex string

Parameters:

data -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toHexByHex

default java.lang.String toHexByHex(java.lang.String hex)
                             throws javax.crypto.IllegalBlockSizeException,
                                    javax.crypto.BadPaddingException

to hex string
input hex string -> (en/de)crypt -> output hex string

Parameters:

hex -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toHexByBase64

default java.lang.String toHexByBase64(java.lang.String base64)
                                throws javax.crypto.IllegalBlockSizeException,
                                       javax.crypto.BadPaddingException

to hex string
input base64 string -> (en/de)crypt -> output hex string

Parameters:

base64 -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toBase64

default java.lang.String toBase64(byte[] data,
                                  int offset,
                                  int length)
                           throws javax.crypto.IllegalBlockSizeException,
                                  javax.crypto.BadPaddingException

to base64 string
input bytes -> (en/de)crypt -> output base64 string

Parameters:

data -

offset -

length -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toBase64

default java.lang.String toBase64(byte[] data)
                           throws javax.crypto.IllegalBlockSizeException,
                                  javax.crypto.BadPaddingException

to base64 string
input bytes -> (en/de)crypt -> output base64 string

Parameters:

data -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toBase64ByHex

default java.lang.String toBase64ByHex(java.lang.String hex)
                                throws javax.crypto.IllegalBlockSizeException,
                                       javax.crypto.BadPaddingException

to base64 string
input hex string -> (en/de)crypt -> output base64 string

Parameters:

hex -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

toBase64ByBase64

default java.lang.String toBase64ByBase64(java.lang.String base64)
                                   throws javax.crypto.IllegalBlockSizeException,
                                          javax.crypto.BadPaddingException

to base64 string
input base64 string -> (en/de)crypt -> output base64 string

Parameters:

base64 -

Returns:

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException