Package org.gudy.bouncycastle.asn1.x9
Class X9ECParameters
- java.lang.Object
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- org.gudy.bouncycastle.asn1.x9.X9ECParameters
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- All Implemented Interfaces:
DEREncodable
,X9ObjectIdentifiers
public class X9ECParameters extends java.lang.Object implements DEREncodable, X9ObjectIdentifiers
ASN.1 def for Elliptic-Curve ECParameters structure. See X9.62, for further details.
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Field Summary
Fields Modifier and Type Field Description private ECCurve
curve
private X9FieldID
fieldID
private ECPoint
g
private java.math.BigInteger
h
private java.math.BigInteger
n
private static java.math.BigInteger
ONE
private byte[]
seed
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Fields inherited from interface org.gudy.bouncycastle.asn1.x9.X9ObjectIdentifiers
ansi_X9_62, characteristic_two_field, dhpublicnumber, ecdsa_with_SHA1, ellipticCurve, gnBasis, id_dsa, id_dsa_with_sha1, id_ecPublicKey, id_ecSigType, id_fieldType, id_publicKeyType, ppBasis, prime_field, prime192v1, prime192v2, prime192v3, prime239v1, prime239v2, prime239v3, prime256v1, primeCurve, tpBasis
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Constructor Summary
Constructors Constructor Description X9ECParameters(ASN1Sequence seq)
X9ECParameters(ECCurve curve, ECPoint g, java.math.BigInteger n)
X9ECParameters(ECCurve curve, ECPoint g, java.math.BigInteger n, java.math.BigInteger h)
X9ECParameters(ECCurve curve, ECPoint g, java.math.BigInteger n, java.math.BigInteger h, byte[] seed)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ECCurve
getCurve()
DERObject
getDERObject()
Produce an object suitable for an ASN1OutputStream.ECPoint
getG()
java.math.BigInteger
getH()
java.math.BigInteger
getN()
byte[]
getSeed()
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Constructor Detail
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X9ECParameters
public X9ECParameters(ASN1Sequence seq)
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X9ECParameters
public X9ECParameters(ECCurve curve, ECPoint g, java.math.BigInteger n, java.math.BigInteger h)
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Method Detail
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getCurve
public ECCurve getCurve()
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getG
public ECPoint getG()
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getN
public java.math.BigInteger getN()
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getH
public java.math.BigInteger getH()
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getSeed
public byte[] getSeed()
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getDERObject
public DERObject getDERObject()
Produce an object suitable for an ASN1OutputStream.ECParameters ::= SEQUENCE { version INTEGER { ecpVer1(1) } (ecpVer1), fieldID FieldID {{FieldTypes}}, curve X9Curve, base X9ECPoint, order INTEGER, cofactor INTEGER OPTIONAL }
- Specified by:
getDERObject
in interfaceDEREncodable
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