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## java.security.interfaces
Interface ECPrivateKey

All Superinterfaces:
  ECKey, Key, PrivateKey, Serializable

    public interface ECPrivateKey

extends PrivateKey, ECKey

The interface to an elliptic curve (EC) private key.

Since:
  1.5
See Also:
  `PrivateKey`, `ECKey`

Field Summary
`static long` | `serialVersionUID` The class fingerprint that is set to indicate serialization compatibility.

Method Summary
`BigInteger` | `getS()` Returns the private value S.

Methods inherited from interface java.security.Key
`getAlgorithm, getEncoded, getFormat`

Methods inherited from interface java.security.interfaces.ECKey
`getParams`

Field Detail

### serialVersionUID

    static final long serialVersionUID

  The class fingerprint that is set to indicate serialization compatibility.

  See Also:
    Constant Field Values

Method Detail

### getS

    BigInteger getS()

  Returns the private value S.

  Returns:
    the private value S.

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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