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javax.crypto.spec
class IvParameterSpec
- All Implemented Interfaces:
- AlgorithmParameterSpec
public class IvParameterSpec
extends Object
implements AlgorithmParameterSpec
This class specifies an initialization vector (IV).
Examples which use IVs are ciphers in feedback mode,
e.g., DES in CBC mode and RSA ciphers with OAEP encoding
operation.
| Constructor Summary |
Creates an IvParameterSpec object using the bytes in iv
as the IV.
|
Creates an IvParameterSpec object using the first len
bytes in iv, beginning at offset
inclusive, as the IV.
|
| Method Summary |
byte[] |
Returns the initialization vector (IV).
|
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
IvParameterSpec
public IvParameterSpec(byte[] iv)
-
Creates an IvParameterSpec object using the bytes in
iv
as the IV.
- Parameters:
iv - the buffer with the IV. The contents of the
buffer are copied to protect against subsequent modification.
IvParameterSpec
public IvParameterSpec(byte[] iv,
int offset,
int len)
-
Creates an IvParameterSpec object using the first
len
bytes in iv, beginning at offset
inclusive, as the IV.
The bytes that constitute the IV are those between
iv[offset] and iv[offset+len-1] inclusive.
- Parameters:
iv - the buffer with the IV. The first len
bytes of the buffer beginning at offset inclusive
are copied to protect against subsequent modification.offset - the offset in iv where the IV
starts.len - the number of IV bytes.
getIV
public byte[] getIV()
-
Returns the initialization vector (IV).
- Returns:
- the initialization vector (IV). Returns a new array
each time this method is called.
This documentation differs from the official API.
Jadeite adds
extra features to the API including:
variable font sizes,
constructions examples,
placeholders for classes and methods, and auto-generated “See Also” links.
Additionally it
is missing some items found in standard Javadoc documentation, including:
generics type information,
“Deprecated” tags and comments,
“See Also” links,
along with other minor differences.
Please send any questions or feedback to
bam@cs.cmu.edu.
This page displays the
Jadeite version of the documention, which is derived from the offical documentation that contains this copyright notice:
The official Sun™ documentation can be found here at
http://java.sun.com/javase/6/docs/api/.
javax.crypto.spec.IvParameterSpec