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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--superwaba.ext.xplat.util.crypto.MD5
Implementation of RSA's MD5 hash generator
Constructor Summary | |
MD5()
Class constructor |
|
MD5(Object ob)
Initialize class, and update hash with ob.toString() |
Method Summary | |
String |
asHex()
Returns 32-character hex representation of this objects hash |
static String |
asHex(byte[] hash)
Turns array of bytes into string representing each byte as unsigned hex number. |
byte[] |
Final()
Returns array of bytes (16 bytes) representing hash as of the current state of this object. |
void |
Init()
Initialize MD5 internal state (object can be reused just by calling Init() after every Final() |
void |
Update(byte b)
Updates hash with a single byte |
void |
Update(byte[] buffer)
Updates hash with given array of bytes |
void |
Update(byte[] buffer,
int length)
|
void |
Update(byte[] buffer,
int offset,
int length)
Plain update, updates this object |
void |
Update(int i)
Update buffer with a single integer (only & 0xff part is used, as a byte) |
void |
Update(superwaba.ext.xplat.util.crypto.MD5State stat,
byte[] buffer,
int offset,
int length)
Updates hash with the bytebuffer given (using at maximum length bytes from that buffer) |
void |
Update(String s)
Update buffer with given string. |
Methods inherited from class java.lang.Object |
equals,
getClass,
hashCode,
notify,
toString,
wait,
wait |
Constructor Detail |
public MD5()
public MD5(Object ob)
ob
- Object, ob.toString() is used to update hash
after initializationMethod Detail |
public void Init()
public void Update(superwaba.ext.xplat.util.crypto.MD5State stat, byte[] buffer, int offset, int length)
state
- Which state is updatedbuffer
- Array of bytes to be hashedoffset
- Offset to buffer arraylength
- Use at maximum `length' bytes (absolute
maximum is buffer.length)public void Update(byte[] buffer, int offset, int length)
public void Update(byte[] buffer, int length)
public void Update(byte[] buffer)
buffer
- Array of bytes to use for updating the hashpublic void Update(byte b)
b
- Single byte to update the hashpublic void Update(String s)
s
- String to be update to hash (is used as
s.getBytes())public void Update(int i)
i
- Integer value, which is then converted to
byte as i & 0xffpublic byte[] Final()
public static String asHex(byte[] hash)
hash
- Array of bytes to convert to hex-stringpublic String asHex()
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