javax.crypto.spec
Class IvParameterSpec
java.lang.Object
|
+--javax.crypto.spec.IvParameterSpec
- public class IvParameterSpec
- extends java.lang.Object
- implements java.security.spec.AlgorithmParameterSpec
This class specifies an initialisation vector (IV). IVs are used by
ciphers in feedback mode, e.g., DES in CBC mode.
- See Also:
AlgorithmParameterSpec
Field Summary |
static java.lang.String |
ident
|
Constructor Summary |
IvParameterSpec(byte[] iv)
Uses the bytes in iv as the IV. |
IvParameterSpec(byte[] iv,
int offset,
int len)
Uses the first len bytes in iv, beginning at offset, as the IV. |
Method Summary |
byte[] |
getIV()
Returns the initialisation vector (IV). |
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
ident
public static final java.lang.String ident
IvParameterSpec
public IvParameterSpec(byte[] iv)
- Uses the bytes in iv as the IV.
- Parameters:
iv
- the buffer with the IV
IvParameterSpec
public IvParameterSpec(byte[] iv,
int offset,
int len)
- Uses the first len bytes in iv, beginning at offset, as the IV.
- Parameters:
iv
- the buffer with the IVoffset
- the offset in iv, where the IV startslen
- the number of IV bytes
getIV
public byte[] getIV()
- Returns the initialisation vector (IV).
- Returns:
- the initialisation vector (IV)