OpenJDK 27 · com.sun.org.apache.xml.internal.security.utils.Base64

Modifier and Type	Field and Description
private static final byte[]	base64Alphabet
public static final int	BASE64DEFAULTLENGTH Field BASE64DEFAULTLENGTH
private static final int	BASELENGTH
private static final int	EIGHTBIT
private static final int	FOURBYTE
private static final char[]	lookUpBase64Alphabet
private static final int	LOOKUPLENGTH
private static final char	PAD
private static final int	SIGN
private static final int	SIXTEENBIT
private static final int	TWENTYFOURBITGROUP

Access	Constructor and Description
private	Base64()

Method Summary

Modifier and Type	Method and Description
public static byte[]	Returns: the byte obtained of the decoding the element $todo$ not tested yet decode(Element element) Method decode Takes the `Text` children of the Element and interprets them as input for the `Base64.decode()` function.
public static byte[]	Returns: the UTF bytes of the base64 decode(byte[] base64) Method decode
public static byte[]	Returns: InputStream with the decoded bytes decode(BufferedReader reader) Base64 decode the lines from the reader and return an InputStream with the bytes.
public static byte[]	Returns: byte array containing the decoded data decode(String String containing base64 encoded data encoded) Decodes Base64 data into octets
public static void	decode(String String containing Base64 data base64Data, OutputStream the outputstream os) Decodes Base64 data into outputstream
public static void	decode(byte[] Byte array containing Base64 data base64Data, OutputStream the outputstream os) Decodes Base64 data into outputstream
protected static void	decode(byte[] base64Data, OutputStream os, int len)
public static void	decode(InputStream containing Base64 data is, OutputStream the outputstream os) Decodes Base64 data into outputstream
public static BigInteger	Returns: the biginteger obtained from the node decodeBigIntegerFromElement(Element element) Method decodeBigIntegerFromElement
public static BigInteger	Returns: a decoded BigInteger decodeBigIntegerFromText(Text Base 64 encoded text. text) Decode a base 64 string into a `BigInteger`
protected static byte[]	decodeInternal(byte[] base64Data, int len)
public static String	Returns: String with Base64 encoding encode(BigInteger big) Encode in Base64 the given `{@link BigInteger}`.
public static byte[]	Returns: a byte array with `bitlen` bits of `big` encode(BigInteger `BigInteger` to be converted big, int `int` the desired length in bits of the representation bitlen) Returns a byte-array representation of a `{@link BigInteger}`.
public static String	Returns: the `String` with encoded data encode(byte[] `byte[]` to be base64 encoded binaryData) Encode a byte array and fold lines at the standard 76th character unless ignore line breaks property is set.
public static String	Returns: a `String` with encoded data encode(byte[] `byte[]` data to be encoded binaryData, int `int` length of wrapped lines; No wrapping if less than 4. length) Encode a byte array in Base64 format and return an optionally wrapped line.
public static Element	Returns: an Element with the base64 encoded in the text. encodeToElement(Document doc, String localName, byte[] bytes) Method encodeToElement
public static void	fillElementWithBigInteger(Element element, BigInteger biginteger) This method takes an (empty) Element and a BigInteger and adds the base64 encoded BigInteger to the Element.
pack-priv static byte[]	Returns: a byte array with `bitlen` bits of `big` getBytes(BigInteger `BigInteger` to be converted big, int `int` the desired length in bits of the representation bitlen) Returns a byte-array representation of a `BigInteger.`
protected static int	getBytesInternal(String s, byte[] result)
protected static boolean	isPad(byte octet)
protected static boolean	isWhiteSpace(byte octet)
protected static int	Returns: the new length removeWhiteSpace(byte[] the byte array of base64 data (with WS) data) remove WhiteSpace from MIME containing encoded Base64 data.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

base64Alphabet	back to summary
private static final byte[] base64Alphabet

BASE64DEFAULTLENGTH	back to summary
public static final int BASE64DEFAULTLENGTH Field BASE64DEFAULTLENGTH

BASELENGTH	back to summary
private static final int BASELENGTH

EIGHTBIT	back to summary
private static final int EIGHTBIT

FOURBYTE	back to summary
private static final int FOURBYTE

lookUpBase64Alphabet	back to summary
private static final char[] lookUpBase64Alphabet

LOOKUPLENGTH	back to summary
private static final int LOOKUPLENGTH

PAD	back to summary
private static final char PAD

SIGN	back to summary
private static final int SIGN

SIXTEENBIT	back to summary
private static final int SIXTEENBIT

TWENTYFOURBITGROUP	back to summary
private static final int TWENTYFOURBITGROUP

Base64	back to summary
private Base64()

Method Detail

decode back to summary

decode	back to summary
public static byte[] decode(Element element) throws Base64DecodingException Method decode Takes the `Text` children of the Element and interprets them as input for the `Base64.decode()` function. Returns:byte[] the byte obtained of the decoding the element $todo$ not tested yet

public static byte[] decode(Element element) throws Base64DecodingException

Method decode Takes the Text children of the Element and interprets them as input for the Base64.decode() function.

Returns:byte[]: the byte obtained of the decoding the element $todo$ not tested yet

decode	back to summary
public static byte[] decode(byte[] base64) throws Base64DecodingException Method decode Returns:byte[] the UTF bytes of the base64

decode

back to summary

public static byte[] decode(byte[] base64) throws Base64DecodingException

Method decode

Returns:byte[]: the UTF bytes of the base64

decode	back to summary
public static byte[] decode(BufferedReader reader) throws IOException, Base64DecodingException Base64 decode the lines from the reader and return an InputStream with the bytes. Returns:byte[] InputStream with the decoded bytes Exceptions IOException: passes what the reader throws

decode

back to summary

public static byte[] decode(BufferedReader reader) throws IOException, Base64DecodingException

Base64 decode the lines from the reader and return an InputStream with the bytes.

Returns:byte[]

InputStream with the decoded bytes

Exceptions

IOException:: passes what the reader throws

decode	back to summary
public static byte[] decode(String encoded) throws Base64DecodingException Decodes Base64 data into octets Parameters encoded:String String containing base64 encoded data Returns:byte[] byte array containing the decoded data Exceptions Base64DecodingException: if there is a problem decoding the data

decode

back to summary

public static byte[] decode(String encoded) throws Base64DecodingException

Decodes Base64 data into octets

Parameters

encoded:String: String containing base64 encoded data

Returns:byte[]

byte array containing the decoded data

Exceptions

Base64DecodingException:: if there is a problem decoding the data

decode	back to summary
public static void decode(String base64Data, OutputStream os) throws Base64DecodingException, IOException Decodes Base64 data into outputstream Parameters base64Data:String String containing Base64 data os:OutputStream the outputstream

decode

back to summary

public static void decode(String base64Data, OutputStream os) throws Base64DecodingException, IOException

Decodes Base64 data into outputstream

Parameters

base64Data:String: String containing Base64 data
os:OutputStream: the outputstream

decode	back to summary
public static void decode(byte[] base64Data, OutputStream os) throws Base64DecodingException, IOException Decodes Base64 data into outputstream Parameters base64Data:byte[] Byte array containing Base64 data os:OutputStream the outputstream

decode

back to summary

public static void decode(byte[] base64Data, OutputStream os) throws Base64DecodingException, IOException

Decodes Base64 data into outputstream

Parameters

base64Data:byte[]: Byte array containing Base64 data
os:OutputStream: the outputstream

decode	back to summary
protected static void decode(byte[] base64Data, OutputStream os, int len) throws Base64DecodingException, IOException

decode	back to summary
public static void decode(InputStream is, OutputStream os) throws Base64DecodingException, IOException Decodes Base64 data into outputstream Parameters is:InputStream containing Base64 data os:OutputStream the outputstream

decode

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public static void decode(InputStream is, OutputStream os) throws Base64DecodingException, IOException

Decodes Base64 data into outputstream

Parameters

is:InputStream: containing Base64 data
os:OutputStream: the outputstream

decodeBigIntegerFromElement	back to summary
public static BigInteger decodeBigIntegerFromElement(Element element) throws Base64DecodingException Method decodeBigIntegerFromElement Returns:BigInteger the biginteger obtained from the node

decodeBigIntegerFromElement

back to summary

public static BigInteger decodeBigIntegerFromElement(Element element) throws Base64DecodingException

Method decodeBigIntegerFromElement

Returns:BigInteger: the biginteger obtained from the node

decodeBigIntegerFromText back to summary

decodeBigIntegerFromText	back to summary
public static BigInteger decodeBigIntegerFromText(Text text) throws Base64DecodingException Decode a base 64 string into a `BigInteger` Parameters text:Text Base 64 encoded text. Returns:BigInteger a decoded BigInteger

public static BigInteger decodeBigIntegerFromText(Text text) throws Base64DecodingException

Decode a base 64 string into a BigInteger

Parameters

text:Text: Base 64 encoded text.

Returns:BigInteger

a decoded BigInteger

decodeInternal	back to summary
protected static byte[] decodeInternal(byte[] base64Data, int len) throws Base64DecodingException

encode back to summary

encode	back to summary
public static String encode(BigInteger big) Encode in Base64 the given `{@link BigInteger}`. Returns:String String with Base64 encoding

public static String encode(BigInteger big)

Encode in Base64 the given {@link BigInteger}.

Returns:String: String with Base64 encoding

encode back to summary

encode	back to summary
public static byte[] encode(BigInteger big, int bitlen) Returns a byte-array representation of a `{@link BigInteger}`. No sign-bit is output Note `{@link BigInteger}`'s toByteArray returns eventually longer arrays because of the leading sign-bit. Parameters big:BigInteger `BigInteger` to be converted bitlen:int `int` the desired length in bits of the representation Returns:byte[] a byte array with `bitlen` bits of `big`

public static byte[] encode(BigInteger big, int bitlen)

Returns a byte-array representation of a {@link BigInteger}. No sign-bit is output

Note

{@link BigInteger}'s toByteArray returns eventually longer arrays because of the leading sign-bit.

Parameters

big:BigInteger: BigInteger to be converted
bitlen:int: int the desired length in bits of the representation

Returns:byte[]

a byte array with bitlen bits of big

encode back to summary

encode	back to summary
public static String encode(byte[] binaryData) Encode a byte array and fold lines at the standard 76th character unless ignore line breaks property is set. Parameters binaryData:byte[] `byte[]` to be base64 encoded Returns:String the `String` with encoded data

public static String encode(byte[] binaryData)

Encode a byte array and fold lines at the standard 76th character unless ignore line breaks property is set.

Parameters

binaryData:byte[]: byte[] to be base64 encoded

Returns:String

the String with encoded data

encode back to summary

encode	back to summary
public static String encode(byte[] binaryData, int length) Encode a byte array in Base64 format and return an optionally wrapped line. Parameters binaryData:byte[] `byte[]` data to be encoded length:int `int` length of wrapped lines; No wrapping if less than 4. Returns:String a `String` with encoded data

public static String encode(byte[] binaryData, int length)

Encode a byte array in Base64 format and return an optionally wrapped line.

Parameters

binaryData:byte[]: byte[] data to be encoded
length:int: int length of wrapped lines; No wrapping if less than 4.

Returns:String

a String with encoded data

encodeToElement	back to summary
public static Element encodeToElement(Document doc, String localName, byte[] bytes) Method encodeToElement Returns:Element an Element with the base64 encoded in the text.

encodeToElement

back to summary

public static Element encodeToElement(Document doc, String localName, byte[] bytes)

Method encodeToElement

Returns:Element: an Element with the base64 encoded in the text.

fillElementWithBigInteger	back to summary
public static void fillElementWithBigInteger(Element element, BigInteger biginteger) This method takes an (empty) Element and a BigInteger and adds the base64 encoded BigInteger to the Element.

getBytes back to summary

getBytes	back to summary
pack-priv static byte[] getBytes(BigInteger big, int bitlen) Returns a byte-array representation of a `BigInteger. No sign-bit is output` `Note` `BigInteger's toByteArray returns eventually longer arrays because of the leading sign-bit.` `Parameters big:BigInteger BigInteger to be converted bitlen:int int the desired length in bits of the representation Returns:byte[] a byte array with bitlen bits of big`

pack-priv static byte[] getBytes(BigInteger big, int bitlen)

Returns a byte-array representation of a BigInteger. No sign-bit is output

Note

BigInteger's toByteArray returns eventually longer arrays because of the leading sign-bit.



Parameters

big:BigInteger
BigInteger to be converted
bitlen:int
int the desired length in bits of the representation

Returns:byte[]
a byte array with bitlen bits of big

getBytesInternal	back to summary
protected static int getBytesInternal(String s, byte[] result)

isPad	back to summary
protected static boolean isPad(byte octet)

isWhiteSpace	back to summary
protected static boolean isWhiteSpace(byte octet)

removeWhiteSpace	back to summary
protected static int removeWhiteSpace(byte[] data) remove WhiteSpace from MIME containing encoded Base64 data. Parameters data:byte[] the byte array of base64 data (with WS) Returns:int the new length

removeWhiteSpace

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protected static int removeWhiteSpace(byte[] data)

remove WhiteSpace from MIME containing encoded Base64 data.

Parameters

data:byte[]: the byte array of base64 data (with WS)

Returns:int

the new length

public final Class Base64

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