Signature Signature Class

Definition

Signature is an engine class which is capable of creating and verifying digital signatures, using different algorithms that have been registered with the Security class.

[Android.Runtime.Register("java/security/Signature", ApiSince=1, DoNotGenerateAcw=true)]
public abstract class Signature : Java.Security.SignatureSpi
type Signature = class
    inherit SignatureSpi
Inheritance
Attributes

Remarks

Android platform documentation

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

Signature(IntPtr, JniHandleOwnership) Signature(IntPtr, JniHandleOwnership)

A constructor used when creating managed representations of JNI objects; called by the runtime.

Signature(String) Signature(String)

Constructs a new instance of Signature with the name of the algorithm to use.

Fields

Uninitialized Uninitialized

Constant that indicates that this Signature instance has not yet been initialized.

Properties

Algorithm Algorithm

Returns the name of the algorithm of this Signature.

AppRandom AppRandom

Implementation specific source of randomness.

(Inherited from SignatureSpi)
Class Class

Returns the unique instance of Class that represents this object's class.

(Inherited from Object)
Handle Handle

The handle to the underlying Android instance.

(Inherited from Object)
IJavaObjectEx.IsProxy IJavaObjectEx.IsProxy Inherited from Object
IJavaObjectEx.KeyHandle IJavaObjectEx.KeyHandle Inherited from Object
IJavaObjectEx.NeedsActivation IJavaObjectEx.NeedsActivation Inherited from Object
IJavaPeerable.JniManagedPeerState IJavaPeerable.JniManagedPeerState Inherited from Object
JniIdentityHashCode JniIdentityHashCode Inherited from Object
JniPeerMembers JniPeerMembers
Parameters Parameters

Returns the AlgorithmParameters of this Signature instance.

PeerReference PeerReference Inherited from Object
Provider Provider

Returns the provider associated with this Signature.

State State

Represents the current state of this Signature.

ThresholdClass ThresholdClass

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

ThresholdType ThresholdType

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

Methods

Clone() Clone()

Creates and returns a copy of this Object.

(Inherited from SignatureSpi)
Dispose() Dispose() Inherited from Object
Dispose(Boolean) Dispose(Boolean) Inherited from Object
EngineGetParameter(String) EngineGetParameter(String)

Returns the value of the parameter with the specified name.

(Inherited from SignatureSpi)
EngineGetParameters() EngineGetParameters()

Returns the AlgorithmParameters of this SignatureSpi instance.

(Inherited from SignatureSpi)
EngineInitSign(IPrivateKey) EngineInitSign(IPrivateKey)

Initializes this SignatureSpi instance for signing, using the private key of the identity whose signature is going to be generated.

(Inherited from SignatureSpi)
EngineInitSign(IPrivateKey, SecureRandom) EngineInitSign(IPrivateKey, SecureRandom)

Initializes this SignatureSpi instance for signing, using the private key of the identity whose signature is going to be generated and the specified source of randomness.

(Inherited from SignatureSpi)
EngineInitVerify(IPublicKey) EngineInitVerify(IPublicKey)

Initializes this SignatureSpi instance for signature verification, using the public key of the identity whose signature is going to be verified.

(Inherited from SignatureSpi)
EngineSetParameter(IAlgorithmParameterSpec) EngineSetParameter(IAlgorithmParameterSpec)

Sets the specified AlgorithmParameterSpec.

(Inherited from SignatureSpi)
EngineSetParameter(String, Object) EngineSetParameter(String, Object)

Sets the specified parameter to the given value.

(Inherited from SignatureSpi)
EngineSign() EngineSign()

Generates and returns the signature of all updated data.

(Inherited from SignatureSpi)
EngineSign(Byte[], Int32, Int32) EngineSign(Byte[], Int32, Int32)

Generates and stores the signature of all updated data in the provided byte[] at the specified position with the specified length.

(Inherited from SignatureSpi)
EngineUpdate(ByteBuffer) EngineUpdate(ByteBuffer)

Updates the data to be verified or to be signed, using the specified ByteBuffer.

(Inherited from SignatureSpi)
EngineUpdate(Byte[], Int32, Int32) EngineUpdate(Byte[], Int32, Int32)

Updates the data to be verified or to be signed, using the given byte[], starting form the specified index for the specified length.

(Inherited from SignatureSpi)
EngineUpdate(SByte) EngineUpdate(SByte)

Updates the data to be verified or to be signed, using the specified byte.

(Inherited from SignatureSpi)
EngineVerify(Byte[]) EngineVerify(Byte[])

Indicates whether the given sigBytes can be verified using the public key or a certificate of the signer.

(Inherited from SignatureSpi)
EngineVerify(Byte[], Int32, Int32) EngineVerify(Byte[], Int32, Int32)

Indicates whether the given sigBytes starting at index offset with length bytes can be verified using the public key or a certificate of the signer.

(Inherited from SignatureSpi)
Equals(Object) Equals(Object)

Compares this instance with the specified object and indicates if they are equal.

(Inherited from Object)
GetHashCode() GetHashCode()

Returns an integer hash code for this object.

(Inherited from Object)
GetInstance(String) GetInstance(String)

Returns a new instance of Signature that utilizes the specified algorithm.

GetInstance(String, Provider) GetInstance(String, Provider)

Returns a new instance of Signature that utilizes the specified algorithm from the specified provider.

GetInstance(String, String) GetInstance(String, String)

Returns a new instance of Signature that utilizes the specified algorithm from the specified provider.

GetParameter(String) GetParameter(String)

Returns the value of the parameter with the specified name.

InitSign(IPrivateKey) InitSign(IPrivateKey)

Initializes this Signature instance for signing, using the private key of the identity whose signature is going to be generated.

InitSign(IPrivateKey, SecureRandom) InitSign(IPrivateKey, SecureRandom)

Initializes this Signature instance for signing, using the private key of the identity whose signature is going to be generated and the specified source of randomness.

InitVerify(Certificate) InitVerify(Certificate)

Initializes this Signature instance for signature verification, using the certificate of the identity whose signature is going to be verified.

InitVerify(IPublicKey) InitVerify(IPublicKey)

Initializes this Signature instance for signature verification, using the public key of the identity whose signature is going to be verified.

JavaFinalize() JavaFinalize()

Invoked when the garbage collector has detected that this instance is no longer reachable.

(Inherited from Object)
Notify() Notify()

Causes a thread which is waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.

(Inherited from Object)
NotifyAll() NotifyAll()

Causes all threads which are waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.

(Inherited from Object)
SetHandle(IntPtr, JniHandleOwnership) SetHandle(IntPtr, JniHandleOwnership)

Sets the Handle property.

(Inherited from Object)
SetParameter(IAlgorithmParameterSpec) SetParameter(IAlgorithmParameterSpec)

Sets the specified AlgorithmParameterSpec.

SetParameter(String, Object) SetParameter(String, Object)

Sets the specified parameter to the given value.

Sign() Sign()

Generates and returns the signature of all updated data.

Sign(Byte[], Int32, Int32) Sign(Byte[], Int32, Int32)

Generates and stores the signature of all updated data in the provided byte[] at the specified position with the specified length.

ToArray<T>() ToArray<T>() Inherited from Object
ToString() ToString()

Returns a string containing a concise, human-readable description of this object.

(Inherited from Object)
UnregisterFromRuntime() UnregisterFromRuntime() Inherited from Object
Update(ByteBuffer) Update(ByteBuffer)

Updates the data to be verified or to be signed, using the specified ByteBuffer.

Update(Byte[]) Update(Byte[])

Updates the data to be verified or to be signed, using the specified byte[].

Update(Byte[], Int32, Int32) Update(Byte[], Int32, Int32)

Updates the data to be verified or to be signed, using the given byte[], starting form the specified index for the specified length.

Update(SByte) Update(SByte)

Updates the data to be verified or to be signed, using the specified byte.

Verify(Byte[]) Verify(Byte[])

Indicates whether the given signature can be verified using the public key or a certificate of the signer.

Verify(Byte[], Int32, Int32) Verify(Byte[], Int32, Int32)

Indicates whether the given signature starting at index offset with length bytes can be verified using the public key or a certificate of the signer.

Wait() Wait()

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object.

(Inherited from Object)
Wait(Int64) Wait(Int64)

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.

(Inherited from Object)
Wait(Int64, Int32) Wait(Int64, Int32)

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.

(Inherited from Object)

Explicit Interface Implementations

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

Extension Methods

JavaCast<TResult>(IJavaObject) JavaCast<TResult>(IJavaObject)

Performs an Android runtime-checked type conversion.

JavaCast<TResult>(IJavaObject) JavaCast<TResult>(IJavaObject)
GetJniTypeName(IJavaPeerable) GetJniTypeName(IJavaPeerable)

Applies to