Package org.bouncycastle.asn1.x9
Class X9ECParameters
java.lang.Object
org.bouncycastle.asn1.ASN1Object
org.bouncycastle.asn1.x9.X9ECParameters
- All Implemented Interfaces:
ASN1Encodable,X9ObjectIdentifiers,Encodable
ASN.1 def for Elliptic-Curve ECParameters structure. See
X9.62, for further details.
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Field Summary
Fields inherited from interface org.bouncycastle.asn1.x9.X9ObjectIdentifiers
ansi_X9_42, ansi_X9_62, c2onb191v4, c2onb191v5, c2onb239v4, c2onb239v5, c2pnb163v1, c2pnb163v2, c2pnb163v3, c2pnb176w1, c2pnb208w1, c2pnb272w1, c2pnb304w1, c2pnb368w1, c2tnb191v1, c2tnb191v2, c2tnb191v3, c2tnb239v1, c2tnb239v2, c2tnb239v3, c2tnb359v1, c2tnb431r1, characteristic_two_field, cTwoCurve, dhEphem, dhHybrid1, dhHybrid2, dhHybridOneFlow, dhOneFlow, dhpublicnumber, dhSinglePass_cofactorDH_sha1kdf_scheme, dhSinglePass_stdDH_sha1kdf_scheme, dhStatic, ecdsa_with_SHA1, ecdsa_with_SHA2, ecdsa_with_SHA224, ecdsa_with_SHA256, ecdsa_with_SHA384, ecdsa_with_SHA512, ellipticCurve, gnBasis, id_dsa, id_dsa_with_sha1, id_ecPublicKey, id_ecSigType, id_fieldType, id_kdf_kdf2, id_kdf_kdf3, id_publicKeyType, mqv1, mqv2, mqvSinglePass_sha1kdf_scheme, ppBasis, prime_field, prime192v1, prime192v2, prime192v3, prime239v1, prime239v2, prime239v3, prime256v1, primeCurve, tpBasis, x9_42_schemes, x9_44, x9_44_components, x9_63_scheme -
Constructor Summary
ConstructorsConstructorDescriptionX9ECParameters(ECCurve curve, X9ECPoint g, BigInteger n) X9ECParameters(ECCurve curve, X9ECPoint g, BigInteger n, BigInteger h) X9ECParameters(ECCurve curve, X9ECPoint g, BigInteger n, BigInteger h, byte[] seed) -
Method Summary
Modifier and TypeMethodDescriptionReturn the ASN.1 entry representing the base point G.getCurve()Return the ASN.1 entry representing the Curve.Return the ASN.1 entry representing the FieldID.getG()getH()static X9ECParametersgetInstance(Object obj) getN()byte[]getSeed()booleanhasSeed()Produce an object suitable for an ASN1OutputStream.Methods inherited from class org.bouncycastle.asn1.ASN1Object
encodeTo, encodeTo, equals, getEncoded, getEncoded, hasEncodedTagValue, hashCode
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Constructor Details
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X9ECParameters
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X9ECParameters
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X9ECParameters
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Method Details
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getInstance
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getCurve
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getG
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getN
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getH
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getSeed
public byte[] getSeed() -
hasSeed
public boolean hasSeed() -
getCurveEntry
Return the ASN.1 entry representing the Curve.- Returns:
- the X9Curve for the curve in these parameters.
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getFieldIDEntry
Return the ASN.1 entry representing the FieldID.- Returns:
- the X9FieldID for the FieldID in these parameters.
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getBaseEntry
Return the ASN.1 entry representing the base point G.- Returns:
- the X9ECPoint for the base point in these parameters.
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toASN1Primitive
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:
toASN1Primitivein interfaceASN1Encodable- Specified by:
toASN1Primitivein classASN1Object- Returns:
- a primitive representation of this object.
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