Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Inherited Fields](https://developer.android.com/reference/java/security/spec/ECGenParameterSpec#inhfields) \| [Ctors](https://developer.android.com/reference/java/security/spec/ECGenParameterSpec#pubctors) \| [Methods](https://developer.android.com/reference/java/security/spec/ECGenParameterSpec#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/java/security/spec/ECGenParameterSpec#inhmethods)

# ECGenParameterSpec

` public class ECGenParameterSpec `   
` ` ` extends https://developer.android.com/reference/java/security/spec/NamedParameterSpec ` ` implements https://developer.android.com/reference/java/security/spec/AlgorithmParameterSpec `

|---|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) |||
| ↳ | [java.security.spec.NamedParameterSpec](https://developer.android.com/reference/java/security/spec/NamedParameterSpec) ||
|   | ↳ | java.security.spec.ECGenParameterSpec |

<br />

*** ** * ** ***

This immutable class specifies the set of parameters used for generating elliptic curve (EC) domain parameters.
**See also:**

- `https://developer.android.com/reference/java/security/spec/AlgorithmParameterSpec`

## Summary

### Inherited fields

From class `https://developer.android.com/reference/java/security/spec/NamedParameterSpec` ` public static final https://developer.android.com/reference/java/security/spec/NamedParameterSpec` `https://developer.android.com/reference/java/security/spec/NamedParameterSpec#ED25519`

The Ed25519 parameters
` public static final https://developer.android.com/reference/java/security/spec/NamedParameterSpec` `https://developer.android.com/reference/java/security/spec/NamedParameterSpec#ED448`

The Ed448 parameters
` public static final https://developer.android.com/reference/java/security/spec/NamedParameterSpec` `https://developer.android.com/reference/java/security/spec/NamedParameterSpec#ML_DSA_65`

The ML-DSA-65 parameters
` public static final https://developer.android.com/reference/java/security/spec/NamedParameterSpec` `https://developer.android.com/reference/java/security/spec/NamedParameterSpec#ML_DSA_87`

The ML-DSA-87 parameters
` public static final https://developer.android.com/reference/java/security/spec/NamedParameterSpec` `https://developer.android.com/reference/java/security/spec/NamedParameterSpec#X25519`

The X25519 parameters
` public static final https://developer.android.com/reference/java/security/spec/NamedParameterSpec` `https://developer.android.com/reference/java/security/spec/NamedParameterSpec#X448`

The X448 parameters

| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/java/security/spec/ECGenParameterSpec#ECGenParameterSpec(java.lang.String)(https://developer.android.com/reference/java/lang/String stdName) ` Creates a parameter specification for EC parameter generation using a standard (or predefined) name `stdName` in order to generate the corresponding (precomputed) elliptic curve domain parameters. |

| ### Public methods ||
|---|---|
| ` https://developer.android.com/reference/java/lang/String` | ` https://developer.android.com/reference/java/security/spec/ECGenParameterSpec#getName()() ` Returns the standard or predefined name of the to-be-generated EC domain parameters. |

### Inherited methods

From class ` https://developer.android.com/reference/java/security/spec/NamedParameterSpec ` ` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/security/spec/NamedParameterSpec#getName()() `

Returns the standard name that determines the algorithm parameters.
From class ` https://developer.android.com/reference/java/lang/Object ` ` https://developer.android.com/reference/java/lang/Object` ` https://developer.android.com/reference/java/lang/Object#clone()() `

Creates and returns a copy of this object.
` boolean` ` https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) `

Indicates whether some other object is "equal to" this one.
` void` ` 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 https://developer.android.com/reference/java/lang/Class<?>` ` https://developer.android.com/reference/java/lang/Object#getClass()() `

Returns the runtime class of this `Object`.
` int` ` https://developer.android.com/reference/java/lang/Object#hashCode()() `

Returns a hash code value for the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#notify()() `

Wakes up a single thread that is waiting on this object's monitor.
` final void` ` https://developer.android.com/reference/java/lang/Object#notifyAll()() `

Wakes up all threads that are waiting on this object's monitor.
` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/lang/Object#toString()() `

Returns a string representation of the object.
` final void` ` 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` ` 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` ` 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*.

## Public constructors

### ECGenParameterSpec

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

```
public ECGenParameterSpec (String stdName)
```

Creates a parameter specification for EC parameter generation using a standard (or predefined) name `stdName` in order to generate the corresponding (precomputed) elliptic curve domain parameters. For the list of supported names, please consult the documentation of the provider whose implementation will be used.

<br />

| Parameters ||
|---|---|
| `stdName` | `String`: the standard name of the to-be-generated EC domain parameters. See the ParameterSpec Names section in the [Java Security Standard Algorithm Names Specification](https://docs.oracle.com/en/java/javase/17/docs/specs/security/standard-names.html#parameterspec-names) for information about standard names. <br /> |

| Throws ||
|---|---|
| `https://developer.android.com/reference/java/lang/NullPointerException` | if `stdName` is null. |

## Public methods

### getName

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

```
public String getName ()
```

Returns the standard or predefined name of the to-be-generated EC domain parameters.

<br />

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/lang/String` | the standard or predefined name. <br /> |