- java.lang.Object
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- java.security.spec.XECPublicKeySpec
 
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- All Implemented Interfaces:
- KeySpec
 
 public class XECPublicKeySpec extends Object implements KeySpec A class representing elliptic curve public keys as defined in RFC 7748, including the curve and other algorithm parameters. The public key is a particular point on the curve, which is represented using only its u-coordinate. 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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Constructor SummaryConstructors Constructor Description XECPublicKeySpec(AlgorithmParameterSpec params, BigInteger u)Construct a public key spec using the supplied parameters and u coordinate.
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Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description AlgorithmParameterSpecgetParams()Get the algorithm parameters that define the curve and other settings.BigIntegergetU()Get the u coordinate of the point.
 
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Constructor Detail- 
XECPublicKeySpecpublic XECPublicKeySpec(AlgorithmParameterSpec params, BigInteger u) Construct a public key spec using the supplied parameters and u coordinate.- Parameters:
- params- the algorithm parameters
- u- the u-coordinate of the point, represented using a BigInteger which may hold any value
- Throws:
- NullPointerException- if- paramsor- uis null.
 
 
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Method Detail- 
getParamspublic AlgorithmParameterSpec getParams() Get the algorithm parameters that define the curve and other settings.- Returns:
- the parameters
 
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getUpublic BigInteger getU() Get the u coordinate of the point.- Returns:
- the u-coordinate, represented using a BigInteger which may hold any value
 
 
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