Interface XECPublicKey
- All Superinterfaces:
- AsymmetricKey,- Key,- PublicKey,- Serializable,- XECKey
An interface for an elliptic curve public key as defined by RFC 7748.
 These keys are distinct from the keys represented by 
ECPublicKey,
 and they are intended for use with algorithms based on RFC 7748 such as the
 XDH KeyAgreement algorithm.
 An XEC public key is a particular point on the curve, which is represented
 using only its u-coordinate as described in RFC 7748. A u-coordinate is an
 element of the field of integers modulo some value that is determined by
 the algorithm parameters. This field element is represented by a BigInteger
 which may hold any value. That is, the BigInteger is not restricted to the
 range of canonical field elements.- Since:
- 11
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Field SummaryFields declared in interface java.security.PublicKeyserialVersionUID
- 
Method SummaryModifier and TypeMethodDescriptiondefault AlgorithmParameterSpecReturns the parameters associated with this key.getU()Get the u coordinate of the point.Methods declared in interface java.security.KeygetAlgorithm, getEncoded, getFormat
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Method Details- 
getUBigInteger getU()Get the u coordinate of the point.- Returns:
- the u-coordinate, represented using a BigInteger which may hold any value
 
- 
getParamsReturns the parameters associated with this key. The parameters are optional and may be either explicitly specified or implicitly created during key pair generation.- Specified by:
- getParamsin interface- AsymmetricKey
- Specified by:
- getParamsin interface- XECKey
- Implementation Requirements:
- The default implementation returns null.
- Returns:
- the associated parameters, may be null
 
 
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