SignatureSpi Class
Definition
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This class defines the Service Provider Interface (<b>SPI</b>)
for the Signature class, which is used to provide the
functionality of a digital signature algorithm.
[Android.Runtime.Register("java/security/SignatureSpi", DoNotGenerateAcw=true)]
public abstract class SignatureSpi : Java.Lang.Object[<Android.Runtime.Register("java/security/SignatureSpi", DoNotGenerateAcw=true)>]
type SignatureSpi = class
inherit Object- Inheritance
- Derived
- Attributes
Remarks
This class defines the Service Provider Interface (<b>SPI</b>) for the Signature class, which is used to provide the functionality of a digital signature algorithm. Digital signatures are used for authentication and integrity assurance of digital data. .
All the abstract methods in this class must be implemented by each cryptographic service provider who wishes to supply the implementation of a particular signature algorithm.
Java documentation for java.security.SignatureSpi.
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
| Name | Description |
|---|---|
| SignatureSpi() | |
| SignatureSpi(IntPtr, JniHandleOwnership) |
A constructor used when creating managed representations of JNI objects; called by the runtime. |
Properties
| Name | Description |
|---|---|
| AppRandom |
Application-specified source of randomness. |
| Class |
Returns the runtime class of this |
| Handle |
The handle to the underlying Android instance. (Inherited from Object) |
| JniIdentityHashCode |
Gets the identity hash code assigned to this Java peer by the interop runtime. (Inherited from Object) |
| JniPeerMembers | |
| PeerReference |
Gets the JNI object reference for this Java peer. (Inherited from 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
| Name | Description |
|---|---|
| Clone() |
Returns a clone if the implementation is cloneable. |
| Dispose() |
Releases the resources held by this Java peer. (Inherited from Object) |
| Dispose(Boolean) |
Releases the resources held by this Java peer. (Inherited from Object) |
| EngineGetParameter(String) |
Obsolete.
Gets the value of the specified algorithm parameter. |
| EngineGetParameters() |
This method is overridden by providers to return the parameters used with this signature engine, or null if this signature engine does not use any parameters. |
| EngineInitSign(IPrivateKey, SecureRandom) |
Initializes this signature object with the specified private key and source of randomness for signing operations. |
| EngineInitSign(IPrivateKey) |
Initializes this signature object with the specified private key for signing operations. |
| EngineInitVerify(IPublicKey) |
Initializes this signature object with the specified public key for verification operations. |
| EngineSetParameter(IAlgorithmParameterSpec) |
This method is overridden by providers to initialize this signature engine with the specified parameter set. |
| EngineSetParameter(String, Object) |
Obsolete.
Sets the specified algorithm parameter to the specified value. |
| EngineSign() |
Returns the signature bytes of all the data updated so far. |
| EngineSign(Byte[], Int32, Int32) |
Finishes this signature operation and stores the resulting signature
bytes in the provided buffer |
| EngineUpdate(Byte[], Int32, Int32) |
Updates the data to be signed or verified, using the specified array of bytes, starting at the specified offset. |
| EngineUpdate(ByteBuffer) |
Updates the data to be signed or verified using the specified ByteBuffer. |
| EngineUpdate(SByte) |
Updates the data to be signed or verified using the specified byte. |
| EngineVerify(Byte[], Int32, Int32) |
Verifies the passed-in signature in the specified array of bytes, starting at the specified offset. |
| EngineVerify(Byte[]) |
Verifies the passed-in signature. |
| 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) |
| 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>() |
Creates a managed array from this Java array wrapper. (Inherited from Object) |
| ToString() |
Returns a string representation of the object. (Inherited from Object) |
| UnregisterFromRuntime() |
Unregisters this Java peer from the interop runtime. (Inherited from Object) |
| Wait() |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>. (Inherited from Object) |
| Wait(Int64, Int32) |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object) |
| Wait(Int64) |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object) |
Explicit Interface Implementations
| Name | Description |
|---|---|
| IJavaPeerable.Disposed() |
Notifies the interop runtime that this managed peer has been disposed. (Inherited from Object) |
| IJavaPeerable.DisposeUnlessReferenced() |
Releases this Java peer unless it is retained by another managed reference. (Inherited from Object) |
| IJavaPeerable.Finalized() |
Notifies the interop runtime that this managed peer has been finalized. (Inherited from Object) |
| IJavaPeerable.JniManagedPeerState |
Gets the state that describes the relationship between this managed peer and its JNI reference. (Inherited from Object) |
| IJavaPeerable.SetJniIdentityHashCode(Int32) |
Sets the interop identity hash code for this Java peer. (Inherited from Object) |
| IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) |
Sets the managed and JNI peer state for this Java peer. (Inherited from Object) |
| IJavaPeerable.SetPeerReference(JniObjectReference) |
Sets the JNI object reference used by this managed peer. (Inherited from Object) |
Extension Methods
| Name | Description |
|---|---|
| GetJniTypeName(IJavaPeerable) |
Gets the JNI name of the type of the instance |
| JavaAs<TResult>(IJavaPeerable) |
Try to coerce |
| JavaCast<TResult>(IJavaObject) |
Performs an Android runtime-checked type conversion. |
| JavaCast<TResult>(IJavaObject) | |
| TryJavaCast<TResult>(IJavaPeerable, TResult) |
Try to coerce |