EdEC

java.lang.Object
- org.bouncycastle.crypto.general.EdEC

```
public final class EdEC
extends java.lang.Object
```
Source class for implementations of Edwards Elliptic Curve based algorithms.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`EdEC.Algorithm`
`static class`	`EdEC.EdDSAKeyPairGenerator`	Edwards Curve DSA key pair generator.
`static class`	`EdEC.EdDSAOperatorFactory`	Operator factory for creating Edwards Curve DSA based signing and verification operators.
`static class`	`EdEC.Parameters`	Edwards Curve key pair generation parameters.
`static class`	`EdEC.XDHAgreementFactory`	Factory for Agreement operators based on Edwards Curve Diffie-Hellman.
`static class`	`EdEC.XDHKeyPairGenerator`	Edwards Curve Diffie-Hellman key pair generator.

Field Summary

Fields
Modifier and Type	Field	Description
`static EdEC.Parameters`	`Ed25519`
`static int`	`Ed25519_PRIVATE_KEY_SIZE`
`static int`	`Ed25519_PUBLIC_KEY_SIZE`
`static EdEC.Parameters`	`Ed448`
`static int`	`Ed448_PRIVATE_KEY_SIZE`
`static int`	`Ed448_PUBLIC_KEY_SIZE`
`static EdEC.Parameters`	`EdDSA`
`static EdEC.Parameters`	`X25519`
`static int`	`X25519_PRIVATE_KEY_SIZE`
`static int`	`X25519_PUBLIC_KEY_SIZE`
`static EdEC.Parameters`	`X448`
`static int`	`X448_PRIVATE_KEY_SIZE`
`static int`	`X448_PUBLIC_KEY_SIZE`
`static byte[]`	`ZERO_CONTEXT`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type Method Description

static byte[] computePublicData(Algorithm algorithm, byte[] secret)
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ZERO_CONTEXT

public static final byte[] ZERO_CONTEXT

EdDSA

public static final EdEC.Parameters EdDSA

Ed448

public static final EdEC.Parameters Ed448

Ed25519

public static final EdEC.Parameters Ed25519

X448

public static final EdEC.Parameters X448

X25519

public static final EdEC.Parameters X25519

X448_PUBLIC_KEY_SIZE
```
public static final int X448_PUBLIC_KEY_SIZE
```
See Also:

Constant Field Values

X25519_PUBLIC_KEY_SIZE
```
public static final int X25519_PUBLIC_KEY_SIZE
```
See Also:

Constant Field Values

Ed448_PUBLIC_KEY_SIZE
```
public static final int Ed448_PUBLIC_KEY_SIZE
```
See Also:

Constant Field Values

Ed25519_PUBLIC_KEY_SIZE
```
public static final int Ed25519_PUBLIC_KEY_SIZE
```
See Also:

Constant Field Values

X448_PRIVATE_KEY_SIZE
```
public static final int X448_PRIVATE_KEY_SIZE
```
See Also:

Constant Field Values

X25519_PRIVATE_KEY_SIZE
```
public static final int X25519_PRIVATE_KEY_SIZE
```
See Also:

Constant Field Values

Ed448_PRIVATE_KEY_SIZE
```
public static final int Ed448_PRIVATE_KEY_SIZE
```
See Also:

Constant Field Values

Ed25519_PRIVATE_KEY_SIZE
```
public static final int Ed25519_PRIVATE_KEY_SIZE
```
See Also:

Constant Field Values

Method Detail

computePublicData

public static byte[] computePublicData(Algorithm algorithm,
                                       byte[] secret)