# PSource

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  
Summary:[Nested Classes](https://developer.android.com/reference/javax/crypto/spec/PSource#nestedclasses)\|[Protected Ctors](https://developer.android.com/reference/javax/crypto/spec/PSource#proctors)\|[Methods](https://developer.android.com/reference/javax/crypto/spec/PSource#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/javax/crypto/spec/PSource#inhmethods)  

# PSource

`
public


class
PSource
`  
`

extends `[Object](https://developer.android.com/reference/java/lang/Object)`


``


`

|---|---------------------------|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | javax.crypto.spec.PSource |

|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Known direct subclasses [PSource.PSpecified](https://developer.android.com/reference/javax/crypto/spec/PSource.PSpecified) |----------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------| | [PSource.PSpecified](https://developer.android.com/reference/javax/crypto/spec/PSource.PSpecified) | This class is used to explicitly specify the value for encoding input P in OAEP Padding. | |

<br />

*** ** * ** ***

This class specifies the source for encoding input P in OAEP Padding, as defined in the[PKCS #1](http://www.ietf.org/rfc/rfc3447.txt)standard.  

```
 PKCS1PSourceAlgorithms    ALGORITHM-IDENTIFIER ::= {
   { OID id-pSpecified PARAMETERS OCTET STRING },
   ...  -- Allows for future expansion --
 }
 
```

<br />

## Summary

|                                                                                          ### Nested classes                                                                                           ||
|----------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` class` | [PSource.PSpecified](https://developer.android.com/reference/javax/crypto/spec/PSource.PSpecified) This class is used to explicitly specify the value for encoding input P in OAEP Padding. |

|                                                                                                                                                      ### Protected constructors                                                                                                                                                       ||
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| ` `[PSource](https://developer.android.com/reference/javax/crypto/spec/PSource#PSource(java.lang.String))`(`[String](https://developer.android.com/reference/java/lang/String)` pSrcName) ` Constructs a source of the encoding input P for OAEP padding as defined in the PKCS #1 standard using the specified PSource algorithm. |

|                                                                                                 ### Public methods                                                                                                  ||
|-----------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------|
| ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[getAlgorithm](https://developer.android.com/reference/javax/crypto/spec/PSource#getAlgorithm())`() ` Returns the PSource algorithm name. |

| ### Inherited methods |
|-----------------------|---|
| From class` `[java.lang.Object](https://developer.android.com/reference/java/lang/Object)` ` |--------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` `[Object](https://developer.android.com/reference/java/lang/Object)          | ` `[clone](https://developer.android.com/reference/java/lang/Object#clone())`() ` Creates and returns a copy of this object.                                                                                                                                                      | | ` boolean`                                                                     | ` `[equals](https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object))`(`[Object](https://developer.android.com/reference/java/lang/Object)` obj) ` Indicates whether some other object is "equal to" this one.                                           | | ` void`                                                                        | ` `[finalize](https://developer.android.com/reference/java/lang/Object#finalize())`() ` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.                                                          | | ` final `[Class](https://developer.android.com/reference/java/lang/Class)`<?>` | ` `[getClass](https://developer.android.com/reference/java/lang/Object#getClass())`() ` Returns the runtime class of this`Object`.                                                                                                                                                | | ` int`                                                                         | ` `[hashCode](https://developer.android.com/reference/java/lang/Object#hashCode())`() ` Returns a hash code value for the object.                                                                                                                                                 | | ` final void`                                                                  | ` `[notify](https://developer.android.com/reference/java/lang/Object#notify())`() ` Wakes up a single thread that is waiting on this object's monitor.                                                                                                                            | | ` final void`                                                                  | ` `[notifyAll](https://developer.android.com/reference/java/lang/Object#notifyAll())`() ` Wakes up all threads that are waiting on this object's monitor.                                                                                                                         | | ` `[String](https://developer.android.com/reference/java/lang/String)          | ` `[toString](https://developer.android.com/reference/java/lang/Object#toString())`() ` Returns a string representation of the object.                                                                                                                                            | | ` final void`                                                                  | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait(long,%20int))`(long timeoutMillis, int nanos) ` Causes the current thread to wait until it is awakened, typically by being*notified* or*interrupted*, or until a certain amount of real time has elapsed. | | ` final void`                                                                  | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait(long))`(long timeoutMillis) ` Causes the current thread to wait until it is awakened, typically by being*notified* or*interrupted*, or until a certain amount of real time has elapsed.                   | | ` final void`                                                                  | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait())`() ` Causes the current thread to wait until it is awakened, typically by being*notified* or*interrupted*.                                                                                             | ||

## Protected constructors

### PSource

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  

```
protected PSource (String pSrcName)
```

Constructs a source of the encoding input P for OAEP padding as defined in the PKCS #1 standard using the specified PSource algorithm.

<br />

|                                     Parameters                                     ||
|------------|------------------------------------------------------------------------|
| `pSrcName` | `String`: the algorithm for the source of the encoding input P. <br /> |

|                                                        Throws                                                        ||
|------------------------------------------------------------------------------------------------|----------------------|
| [NullPointerException](https://developer.android.com/reference/java/lang/NullPointerException) | if`pSrcName`is null. |

## Public methods

### getAlgorithm

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  

```
public String getAlgorithm ()
```

Returns the PSource algorithm name.

<br />

|                                                Returns                                                 ||
|--------------------------------------------------------------------|------------------------------------|
| [String](https://developer.android.com/reference/java/lang/String) | the PSource algorithm name. <br /> |