| java.lang.Object
 wim_data.Utils
| Utils | | public class Utils (Code) | | This class implements miscellaneous utility methods.
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| Method Summary | |
| public static String | OIDtoString(byte[] buffer, int offset, int length)
Converts a sequence of bytes into a printable OID,
a string of decimal digits, each separated by a ".". | | public static byte[] | StringToOID(String oid)
Converst OID from string representation into byte array. | | static boolean | byteMatch(byte[] a, int aOff, byte[] b, int bOff, int len)
Checks if two byte arrays match. | | public static TLV | createLabel(String label)
Creates TLV structure for label. | | public static TLV | createPath(short[] id, int offset, int len)
Creates TLV structure for given card file path/offset/length. | | public static TLV | createPath(short[] id)
Creates TLV structure for given card file path. | | public static byte[] | getHash(byte[] data, int offset, int length)
Calculates SHA hash for given data. | | static String | hexEncode(byte[] b, int off, int len)
Converts a subsequence of bytes in a byte array into a
corresponding string of hexadecimal digits, each separated by a ":". | | static String | hexEncode(byte[] b)
Converts a byte array into a corresponding string of hexadecimal
digits. | | static char[] | hexEncodeToChars(byte[] b, int off, int len)
Converts a subsequence of bytes in a byte array into a
corresponding string of hexadecimal digits, each separated by a ":". | | static byte[] | longToBytes(long n)
Converts a long value to a cooresponding 8-byte array
starting with the most significant byte. | | public static byte[] | shortToBytes(int i)
Converts short value into 2 byte array. | | public static byte[] | shortToBytes(short[] v)
Converts multiple short values into byte array. | | public static void | writeDataArray(PrintStream writer, String name, byte[] data)
Creates java source for static array initialization. | | public static void | writeHex(PrintStream writer, byte[] data)
Writes hex representation of byte array elements. |
| OIDtoString | | public static String OIDtoString(byte[] buffer, int offset, int length)(Code) | | Converts a sequence of bytes into a printable OID,
a string of decimal digits, each separated by a ".".
Parameters:
buffer - byte array containing the bytes to be converted
Parameters:
offset - starting offset of the byte subsequence inside b
Parameters:
length - number of bytes to be converted printable OID |
| StringToOID | | public static byte[] StringToOID(String oid)(Code) | | Converst OID from string representation into byte array.
Parameters:
oid - string representation of OID byte array containing DER value for this OID. |
| byteMatch | | static boolean byteMatch(byte[] a, int aOff, byte[] b, int bOff, int len)(Code) | | Checks if two byte arrays match.
Parameters:
a - first byte array
Parameters:
aOff - starting offset for comparison within a
Parameters:
b - second byte array
Parameters:
bOff - starting offset for comparison within b
Parameters:
len - number of bytes to be compared true if the sequence of len bytes in a starting ataOff matches those in b starting at bOff, false otherwise |
| createLabel | | public static TLV createLabel(String label)(Code) | | Creates TLV structure for label.
Parameters:
label - label text TLV structure for this label |
| createPath | | public static TLV createPath(short[] id, int offset, int len)(Code) | | Creates TLV structure for given card file path/offset/length.
Parameters:
id - path
Parameters:
offset - offset in file
Parameters:
len - length of data TLV structure for this path |
| createPath | | public static TLV createPath(short[] id)(Code) | | Creates TLV structure for given card file path.
Parameters:
id - path TLV structure for this path |
| getHash | | public static byte[] getHash(byte[] data, int offset, int length)(Code) | | Calculates SHA hash for given data.
Parameters:
data - byte array containing the bytes to be hashed
Parameters:
offset - starting offset
Parameters:
length - number of bytes hash value |
| hexEncode | | static String hexEncode(byte[] b, int off, int len)(Code) | | Converts a subsequence of bytes in a byte array into a
corresponding string of hexadecimal digits, each separated by a ":".
Parameters:
b - byte array containing the bytes to be converted
Parameters:
off - starting offset of the byte subsequence inside b
Parameters:
len - number of bytes to be converted a string of corresponding hexadecimal digits oran error string |
| hexEncode | | static String hexEncode(byte[] b)(Code) | | Converts a byte array into a corresponding string of hexadecimal
digits. This is equivalent to hexEncode(b, 0, b.length).
Parameters:
b - byte array to be converted corresponding hexadecimal string |
| hexEncodeToChars | | static char[] hexEncodeToChars(byte[] b, int off, int len)(Code) | | Converts a subsequence of bytes in a byte array into a
corresponding string of hexadecimal digits, each separated by a ":".
Parameters:
b - byte array containing the bytes to be converted
Parameters:
off - starting offset of the byte subsequence inside b
Parameters:
len - number of bytes to be converted a string of corresponding hexadecimal digits oran error string |
| longToBytes | | static byte[] longToBytes(long n)(Code) | | Converts a long value to a cooresponding 8-byte array
starting with the most significant byte.
Parameters:
n - 64-bit long integer value a corresponding 8-byte array in network byte order |
| shortToBytes | | public static byte[] shortToBytes(int i)(Code) | | Converts short value into 2 byte array.
Parameters:
i - source value resulting byte array |
| shortToBytes | | public static byte[] shortToBytes(short[] v)(Code) | | Converts multiple short values into byte array.
Parameters:
v - source values resulting byte array |
| writeDataArray | | public static void writeDataArray(PrintStream writer, String name, byte[] data)(Code) | | Creates java source for static array initialization.
Parameters:
writer - where to write
Parameters:
name - array name
Parameters:
data - initial values |
| writeHex | | public static void writeHex(PrintStream writer, byte[] data)(Code) | | Writes hex representation of byte array elements.
Parameters:
writer - where to write
Parameters:
data - data to be written |
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