Cipher Class

Reference

Definition

Namespace:: Javax.Crypto

Assembly:: Mono.Android.dll

Important

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This class provides the functionality of a cryptographic cipher for encryption and decryption.

[Android.Runtime.Register("javax/crypto/Cipher", DoNotGenerateAcw=true)]
public class Cipher : Java.Lang.Object

[<Android.Runtime.Register("javax/crypto/Cipher", DoNotGenerateAcw=true)>]
type Cipher = class
    inherit Object

Inheritance: Object

Object
Cipher

Derived: Javax.Crypto.NullCipher

Attributes: RegisterAttribute

Remarks

Java documentation for javax.crypto.Cipher.

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Constructors

Cipher(CipherSpi, Provider, String)	Creates a Cipher object.
Cipher(IntPtr, JniHandleOwnership)	A constructor used when creating managed representations of JNI objects; called by the runtime.

Fields

DecryptMode	Obsolete. Constant used to initialize cipher to decryption mode.
EncryptMode	Obsolete. Constant used to initialize cipher to encryption mode.
PrivateKey	Obsolete. Constant used to indicate the to-be-unwrapped key is a "private key".
PublicKey	Obsolete. Constant used to indicate the to-be-unwrapped key is a "public key".
SecretKey	Obsolete. Constant used to indicate the to-be-unwrapped key is a "secret key".
UnwrapMode	Obsolete. Constant used to initialize cipher to key-unwrapping mode.
WrapMode	Obsolete. Constant used to initialize cipher to key-wrapping mode.

Properties

Algorithm	Returns the algorithm name of this `Cipher` object.
BlockSize	Returns the block size (in bytes).
Class	Returns the runtime class of this `Object`. (Inherited from Object)
ExemptionMechanism	Returns the exemption mechanism object used with this cipher.
Handle	The handle to the underlying Android instance. (Inherited from Object)
JniIdentityHashCode	(Inherited from Object)
JniPeerMembers
Parameters	Returns the parameters used with this cipher.
PeerReference	(Inherited from Object)
Provider	Returns the provider of this `Cipher` object.
ThresholdClass	This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.
ThresholdType	This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

Methods

Clone()	Creates and returns a copy of this object. (Inherited from Object)
Dispose()	(Inherited from Object)
Dispose(Boolean)	(Inherited from Object)
DoFinal()	Finishes a multiple-part encryption or decryption operation, depending on how this cipher was initialized.
DoFinal(Byte[])	Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
DoFinal(Byte[], Int32)	Finishes a multiple-part encryption or decryption operation, depending on how this cipher was initialized.
DoFinal(Byte[], Int32, Int32)	Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
DoFinal(Byte[], Int32, Int32, Byte[])	Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
DoFinal(Byte[], Int32, Int32, Byte[], Int32)	Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
DoFinal(ByteBuffer, ByteBuffer)	Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
Equals(Object)	Indicates whether some other object is "equal to" this one. (Inherited from Object)
GetHashCode()	Returns a hash code value for the object. (Inherited from Object)
GetInstance(String)	Returns a `Cipher` object that implements the specified transformation.
GetInstance(String, Provider)	Returns a `Cipher` object that implements the specified transformation.
GetInstance(String, String)	Returns a `Cipher` object that implements the specified transformation.
GetIV()	Returns the initialization vector (IV) in a new buffer.
GetMaxAllowedKeyLength(String)	Returns the maximum key length for the specified transformation according to the installed JCE jurisdiction policy files.
GetMaxAllowedParameterSpec(String)	Returns an AlgorithmParameterSpec object which contains the maximum cipher parameter value according to the jurisdiction policy file.
GetOutputSize(Int32)	Returns the length in bytes that an output buffer would need to be in order to hold the result of the next `update` or `doFinal` operation, given the input length `inputLen` (in bytes).
Init(CipherMode, Certificate)	Initializes this cipher with the public key from the given certificate.
Init(CipherMode, Certificate, SecureRandom)	Initializes this cipher with the public key from the given certificate and a source of randomness.
Init(CipherMode, IKey)	Initializes this cipher with a key.
Init(CipherMode, IKey, AlgorithmParameters)	Initializes this cipher with a key and a set of algorithm parameters.
Init(CipherMode, IKey, AlgorithmParameters, SecureRandom)	Initializes this cipher with a key, a set of algorithm parameters, and a source of randomness.
Init(CipherMode, IKey, IAlgorithmParameterSpec)	Initializes this cipher with a key and a set of algorithm parameters.
Init(CipherMode, IKey, IAlgorithmParameterSpec, SecureRandom)	Initializes this cipher with a key, a set of algorithm parameters, and a source of randomness.
Init(CipherMode, IKey, SecureRandom)	Initializes this cipher with a key and a source of randomness.
JavaFinalize()	Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. (Inherited from Object)
Notify()	Wakes up a single thread that is waiting on this object's monitor. (Inherited from Object)
NotifyAll()	Wakes up all threads that are waiting on this object's monitor. (Inherited from Object)
SetHandle(IntPtr, JniHandleOwnership)	Sets the Handle property. (Inherited from Object)
ToArray<T>()	(Inherited from Object)
ToString()	Returns a string representation of the object. (Inherited from Object)
UnregisterFromRuntime()	(Inherited from Object)
Unwrap(Byte[], String, KeyType)	Unwrap a previously wrapped key.
Update(Byte[])	Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
Update(Byte[], Int32, Int32)	Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
Update(Byte[], Int32, Int32, Byte[])	Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
Update(Byte[], Int32, Int32, Byte[], Int32)	Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
Update(ByteBuffer, ByteBuffer)	Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
UpdateAAD(Byte[])	Continues a multi-part update of the Additional Authentication Data (AAD).
UpdateAAD(Byte[], Int32, Int32)	Continues a multi-part update of the Additional Authentication Data (AAD), using a subset of the provided buffer.
UpdateAAD(ByteBuffer)	Continues a multi-part update of the Additional Authentication Data (AAD).
Wait()	Causes the current thread to wait until another thread invokes the `java.lang.Object#notify()` method or the `java.lang.Object#notifyAll()` method for this object. (Inherited from Object)
Wait(Int64)	Causes the current thread to wait until either another thread invokes the `java.lang.Object#notify()` method or the `java.lang.Object#notifyAll()` method for this object, or a specified amount of time has elapsed. (Inherited from Object)
Wait(Int64, Int32)	Causes the current thread to wait until another thread invokes the `java.lang.Object#notify()` method or the `java.lang.Object#notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed. (Inherited from Object)
Wrap(IKey)	Wrap a key.

Explicit Interface Implementations

IJavaPeerable.Disposed()	(Inherited from Object)
IJavaPeerable.DisposeUnlessReferenced()	(Inherited from Object)
IJavaPeerable.Finalized()	(Inherited from Object)
IJavaPeerable.JniManagedPeerState	(Inherited from Object)
IJavaPeerable.SetJniIdentityHashCode(Int32)	(Inherited from Object)
IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates)	(Inherited from Object)
IJavaPeerable.SetPeerReference(JniObjectReference)	(Inherited from Object)

Extension Methods

JavaCast<TResult>(IJavaObject)	Performs an Android runtime-checked type conversion.
JavaCast<TResult>(IJavaObject)
GetJniTypeName(IJavaPeerable)

Applies to