java.lang.Object | |
↳ | javax.crypto.MacSpi |
Public Constructors | |||||||||||
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Creates a new
MacSpi instance. |
Public Methods | |||||||||||
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Clones this
MacSpi instance. |
Protected Methods | |||||||||||
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Computes the digest of this MAC based on the data previously specified in
engineUpdate(byte) calls. | |||||||||||
Returns the length of this MAC (in bytes).
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Initializes this
MacSpi instance with the specified key and
algorithm parameters. | |||||||||||
Resets this
MacSpi instance to its initial state. | |||||||||||
Updates this
MacSpi instance with the data from the specified
buffer input from the specified offset and length len . | |||||||||||
Updates this
MacSpi instance with the specified byte. | |||||||||||
Updates this
MacSpi instance with the data from the specified
buffer, starting at position() , including the next
remaining() bytes. |
[Expand]
Inherited Methods | |||||||||||
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From class
java.lang.Object
|
Clones this MacSpi
instance.
CloneNotSupportedException | if cloning is not supported. |
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Computes the digest of this MAC based on the data previously specified in
engineUpdate(byte)
calls.
This MacSpi
instance is reverted to its initial state and
can be used to start the next MAC computation with the same parameters or
initialized with different parameters.
Returns the length of this MAC (in bytes).
Initializes this MacSpi
instance with the specified key and
algorithm parameters.
key | the key to initialize this algorithm. |
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params | the parameters for this algorithm. |
InvalidKeyException | if the specified key cannot be used to initialize this
algorithm, or it is null . |
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InvalidAlgorithmParameterException | if the specified parameters cannot be used to initialize this algorithm. |
Resets this MacSpi
instance to its initial state.
This MacSpi
instance is reverted to its initial state and can be
used to start the next MAC computation with the same parameters or
initialized with different parameters.
Updates this MacSpi
instance with the data from the specified
buffer input
from the specified offset
and length len
.
input | the buffer. |
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offset | the offset in the buffer. |
len | the length of the data in the buffer. |
Updates this MacSpi
instance with the specified byte.
input | the byte. |
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Updates this MacSpi
instance with the data from the specified
buffer, starting at position()
, including the next
remaining()
bytes.
input | the buffer. |
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