Examples of org.bouncycastle.asn1.x9.X9ECPoint

org.bouncycastle.asn1.x9.X9ECPoint
class for describing an ECPoint as a DER object.

                    {
                        throw new IllegalArgumentException("error recovering public key");
                    }
                }
            }
            X9ECPoint derQ = new X9ECPoint(curve, key);


            this.q = derQ.getPoint();
        }
    }

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                params = new X962Parameters(ecP);
            }


            ECCurve curve = this.engineGetQ().getCurve();
            ASN1OctetString p = (ASN1OctetString)
                new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).toASN1Primitive();


            info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets());
        }


        return KeyUtil.getEncodedSubjectPublicKeyInfo(info);

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                {
                    throw new IllegalArgumentException("error recovering public key");
                }
            }
        }
        X9ECPoint derQ = new X9ECPoint(curve, key);


        this.q = derQ.getPoint();
    }

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            params = new X962Parameters(ecP);
        }


        ECCurve curve = this.engineGetQ().getCurve();
        ASN1OctetString p = (ASN1OctetString)
            new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).toASN1Primitive();


        info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets());


        return KeyUtil.getEncodedSubjectPublicKeyInfo(info);
    }

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            DERBitString    bits = keyInfo.getPublicKeyData();
            byte[]          data = bits.getBytes();
            ASN1OctetString key = new DEROctetString(data);


            X9ECPoint       derQ = new X9ECPoint(dParams.getCurve(), key);
            
            return new ECPublicKeyParameters(derQ.getPoint(), dParams);
        }
        else
        {
            throw new RuntimeException("algorithm identifier in key not recognised");
        }

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                    {
                        throw new IllegalArgumentException("error recovering public key");
                    }
                }
            }
            X9ECPoint       derQ = new X9ECPoint(curve, key);
    
            this.q = derQ.getPoint();
        }
    }

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                params = new X962Parameters(ecP);
            }


            ECCurve curve = this.engineGetQ().getCurve();
            ASN1OctetString p = (ASN1OctetString)
                new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).getDERObject();


            info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), p.getOctets());
        }


        return info.getDEREncoded();

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        //
        // named curve
        //
        X962Parameters          params = new X962Parameters(X9ObjectIdentifiers.prime192v1);


        ASN1OctetString         p = (ASN1OctetString)(new X9ECPoint(new ECPoint.Fp(ecP.getCurve(), new ECFieldElement.Fp(BigInteger.valueOf(2), BigInteger.valueOf(1)), new ECFieldElement.Fp(BigInteger.valueOf(4), BigInteger.valueOf(3)))).getDERObject());


        SubjectPublicKeyInfo    info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets());


        if (!isSameAs(info.getEncoded(), namedPub))
        {

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        //
        // named curve
        //
        X962Parameters          params = new X962Parameters(X9ObjectIdentifiers.prime192v1);


        ASN1OctetString         p = (ASN1OctetString)(new X9ECPoint(new ECPoint.Fp(ecP.getCurve(), new ECFieldElement.Fp(BigInteger.valueOf(2), BigInteger.valueOf(1)), new ECFieldElement.Fp(BigInteger.valueOf(4), BigInteger.valueOf(3)))).getDERObject());


        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), new ECPrivateKeyStructure(BigInteger.valueOf(10)).getDERObject());


        if (!isSameAs(info.getEncoded(), namedPriv))
        {

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                    {
                        throw new IllegalArgumentException("error recovering public key");
                    }
                }
            }
            X9ECPoint derQ = new X9ECPoint(curve, key);


            this.q = derQ.getPoint();
        }
    }

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Related Classes of org.bouncycastle.asn1.x9.X9ECPoint

com.nimbusds.jose.crypto.ECDSAProvider

com.nimbusds.jose.crypto.ECDSASigner

com.nimbusds.jose.crypto.ECDSAVerifier

org.bouncycastle.asn1.ASN1Encodable

org.bouncycastle.asn1.ASN1EncodableVector

org.bouncycastle.asn1.ASN1Integer

org.bouncycastle.asn1.ASN1ObjectIdentifier

org.bouncycastle.asn1.ASN1SequenceParser

org.bouncycastle.asn1.BERSequence

org.bouncycastle.asn1.BERTaggedObject

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