JDK 11 java.xml.crypto.jmod - XML Crypto Module

JDK 11 java.xml.crypto.jmod is the JMOD file for JDK 11 XML (eXtensible Markup Language) Crypto module.

JDK 11 XML Crypto module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.xml.crypto.jmod.

JDK 11 XML Crypto module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 XML Crypto module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.xml.crypto.

You can click and view the content of each source code file in the list below.

✍: FYIcenter

com/sun/org/apache/xml/internal/security/algorithms/implementations/ECDSAUtils.java

/*
 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.sun.org.apache.xml.internal.security.algorithms.implementations;

import java.io.IOException;
import java.math.BigInteger;
import java.security.interfaces.ECPublicKey;
import java.security.spec.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public final class ECDSAUtils {

    private ECDSAUtils() {
        // complete
    }

    /**
     * Converts an ASN.1 ECDSA value to a XML Signature ECDSA Value.
     * <p></p>
     * The JAVA JCE ECDSA Signature algorithm creates ASN.1 encoded (r, s) value
     * pairs; the XML Signature requires the core BigInteger values.
     *
     * @param asn1Bytes
     * @return the decode bytes
     * @throws IOException
     * @see <A HREF="http://www.w3.org/TR/xmldsig-core/#dsa-sha1">6.4.1 DSA</A>
     * @see <A HREF="ftp://ftp.rfc-editor.org/in-notes/rfc4050.txt">3.3. ECDSA Signatures</A>
     */
    public static byte[] convertASN1toXMLDSIG(byte asn1Bytes[]) throws IOException {

        if (asn1Bytes.length < 8 || asn1Bytes[0] != 48) {
            throw new IOException("Invalid ASN.1 format of ECDSA signature");
        }
        int offset;
        if (asn1Bytes[1] > 0) {
            offset = 2;
        } else if (asn1Bytes[1] == (byte) 0x81) {
            offset = 3;
        } else {
            throw new IOException("Invalid ASN.1 format of ECDSA signature");
        }

        byte rLength = asn1Bytes[offset + 1];
        int i;

        for (i = rLength; i > 0 && asn1Bytes[offset + 2 + rLength - i] == 0; i--); //NOPMD

        byte sLength = asn1Bytes[offset + 2 + rLength + 1];
        int j;

        for (j = sLength; j > 0 && asn1Bytes[offset + 2 + rLength + 2 + sLength - j] == 0; j--); //NOPMD

        int rawLen = Math.max(i, j);

        if ((asn1Bytes[offset - 1] & 0xff) != asn1Bytes.length - offset
                || (asn1Bytes[offset - 1] & 0xff) != 2 + rLength + 2 + sLength
                || asn1Bytes[offset] != 2
                || asn1Bytes[offset + 2 + rLength] != 2) {
            throw new IOException("Invalid ASN.1 format of ECDSA signature");
        }
        byte xmldsigBytes[] = new byte[2 * rawLen];

        System.arraycopy(asn1Bytes, offset + 2 + rLength - i, xmldsigBytes, rawLen - i, i);
        System.arraycopy(asn1Bytes, offset + 2 + rLength + 2 + sLength - j, xmldsigBytes,
                2 * rawLen - j, j);

        return xmldsigBytes;
    }

    /**
     * Converts a XML Signature ECDSA Value to an ASN.1 DSA value.
     * <p></p>
     * The JAVA JCE ECDSA Signature algorithm creates ASN.1 encoded (r, s) value
     * pairs; the XML Signature requires the core BigInteger values.
     *
     * @param xmldsigBytes
     * @return the encoded ASN.1 bytes
     * @throws IOException
     * @see <A HREF="http://www.w3.org/TR/xmldsig-core/#dsa-sha1">6.4.1 DSA</A>
     * @see <A HREF="ftp://ftp.rfc-editor.org/in-notes/rfc4050.txt">3.3. ECDSA Signatures</A>
     */
    public static byte[] convertXMLDSIGtoASN1(byte xmldsigBytes[]) throws IOException {

        int rawLen = xmldsigBytes.length / 2;

        int i;

        for (i = rawLen; i > 0 && xmldsigBytes[rawLen - i] == 0; i--); //NOPMD

        int j = i;

        if (xmldsigBytes[rawLen - i] < 0) {
            j += 1;
        }

        int k;

        for (k = rawLen; k > 0 && xmldsigBytes[2 * rawLen - k] == 0; k--); //NOPMD

        int l = k;

        if (xmldsigBytes[2 * rawLen - k] < 0) {
            l += 1;
        }

        int len = 2 + j + 2 + l;
        if (len > 255) {
            throw new IOException("Invalid XMLDSIG format of ECDSA signature");
        }
        int offset;
        byte asn1Bytes[];
        if (len < 128) {
            asn1Bytes = new byte[2 + 2 + j + 2 + l];
            offset = 1;
        } else {
            asn1Bytes = new byte[3 + 2 + j + 2 + l];
            asn1Bytes[1] = (byte) 0x81;
            offset = 2;
        }
        asn1Bytes[0] = 48;
        asn1Bytes[offset++] = (byte) len;
        asn1Bytes[offset++] = 2;
        asn1Bytes[offset++] = (byte) j;

        System.arraycopy(xmldsigBytes, rawLen - i, asn1Bytes, offset + j - i, i);

        offset += j;

        asn1Bytes[offset++] = 2;
        asn1Bytes[offset++] = (byte) l;

        System.arraycopy(xmldsigBytes, 2 * rawLen - k, asn1Bytes, offset + l - k, k);

        return asn1Bytes;
    }

    private static final List<ECCurveDefinition> ecCurveDefinitions = new ArrayList<>();

    static {
        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp112r1",
                        "1.3.132.0.6",
                        "db7c2abf62e35e668076bead208b",
                        "db7c2abf62e35e668076bead2088",
                        "659ef8ba043916eede8911702b22",
                        "09487239995a5ee76b55f9c2f098",
                        "a89ce5af8724c0a23e0e0ff77500",
                        "db7c2abf62e35e7628dfac6561c5",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp112r2",
                        "1.3.132.0.7",
                        "db7c2abf62e35e668076bead208b",
                        "6127c24c05f38a0aaaf65c0ef02c",
                        "51def1815db5ed74fcc34c85d709",
                        "4ba30ab5e892b4e1649dd0928643",
                        "adcd46f5882e3747def36e956e97",
                        "36df0aafd8b8d7597ca10520d04b",
                        4)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp128r1",
                        "1.3.132.0.28",
                        "fffffffdffffffffffffffffffffffff",
                        "fffffffdfffffffffffffffffffffffc",
                        "e87579c11079f43dd824993c2cee5ed3",
                        "161ff7528b899b2d0c28607ca52c5b86",
                        "cf5ac8395bafeb13c02da292dded7a83",
                        "fffffffe0000000075a30d1b9038a115",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp128r2",
                        "1.3.132.0.29",
                        "fffffffdffffffffffffffffffffffff",
                        "d6031998d1b3bbfebf59cc9bbff9aee1",
                        "5eeefca380d02919dc2c6558bb6d8a5d",
                        "7b6aa5d85e572983e6fb32a7cdebc140",
                        "27b6916a894d3aee7106fe805fc34b44",
                        "3fffffff7fffffffbe0024720613b5a3",
                        4)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp160k1",
                        "1.3.132.0.9",
                        "fffffffffffffffffffffffffffffffeffffac73",
                        "0000000000000000000000000000000000000000",
                        "0000000000000000000000000000000000000007",
                        "3b4c382ce37aa192a4019e763036f4f5dd4d7ebb",
                        "938cf935318fdced6bc28286531733c3f03c4fee",
                        "0100000000000000000001b8fa16dfab9aca16b6b3",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp160r1",
                        "1.3.132.0.8",
                        "ffffffffffffffffffffffffffffffff7fffffff",
                        "ffffffffffffffffffffffffffffffff7ffffffc",
                        "1c97befc54bd7a8b65acf89f81d4d4adc565fa45",
                        "4a96b5688ef573284664698968c38bb913cbfc82",
                        "23a628553168947d59dcc912042351377ac5fb32",
                        "0100000000000000000001f4c8f927aed3ca752257",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp160r2",
                        "1.3.132.0.30",
                        "fffffffffffffffffffffffffffffffeffffac73",
                        "fffffffffffffffffffffffffffffffeffffac70",
                        "b4e134d3fb59eb8bab57274904664d5af50388ba",
                        "52dcb034293a117e1f4ff11b30f7199d3144ce6d",
                        "feaffef2e331f296e071fa0df9982cfea7d43f2e",
                        "0100000000000000000000351ee786a818f3a1a16b",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp192k1",
                        "1.3.132.0.31",
                        "fffffffffffffffffffffffffffffffffffffffeffffee37",
                        "000000000000000000000000000000000000000000000000",
                        "000000000000000000000000000000000000000000000003",
                        "db4ff10ec057e9ae26b07d0280b7f4341da5d1b1eae06c7d",
                        "9b2f2f6d9c5628a7844163d015be86344082aa88d95e2f9d",
                        "fffffffffffffffffffffffe26f2fc170f69466a74defd8d",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp192r1 [NIST P-192, X9.62 prime192v1]",
                        "1.2.840.10045.3.1.1",
                        "fffffffffffffffffffffffffffffffeffffffffffffffff",
                        "fffffffffffffffffffffffffffffffefffffffffffffffc",
                        "64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1",
                        "188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012",
                        "07192b95ffc8da78631011ed6b24cdd573f977a11e794811",
                        "ffffffffffffffffffffffff99def836146bc9b1b4d22831",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp224k1",
                        "1.3.132.0.32",
                        "fffffffffffffffffffffffffffffffffffffffffffffffeffffe56d",
                        "00000000000000000000000000000000000000000000000000000000",
                        "00000000000000000000000000000000000000000000000000000005",
                        "a1455b334df099df30fc28a169a467e9e47075a90f7e650eb6b7a45c",
                        "7e089fed7fba344282cafbd6f7e319f7c0b0bd59e2ca4bdb556d61a5",
                        "010000000000000000000000000001dce8d2ec6184caf0a971769fb1f7",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp224r1 [NIST P-224]",
                        "1.3.132.0.33",
                        "ffffffffffffffffffffffffffffffff000000000000000000000001",
                        "fffffffffffffffffffffffffffffffefffffffffffffffffffffffe",
                        "b4050a850c04b3abf54132565044b0b7d7bfd8ba270b39432355ffb4",
                        "b70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21",
                        "bd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34",
                        "ffffffffffffffffffffffffffff16a2e0b8f03e13dd29455c5c2a3d",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp256k1",
                        "1.3.132.0.10",
                        "fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
                        "0000000000000000000000000000000000000000000000000000000000000000",
                        "0000000000000000000000000000000000000000000000000000000000000007",
                        "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798",
                        "483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8",
                        "fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp256r1 [NIST P-256, X9.62 prime256v1]",
                        "1.2.840.10045.3.1.7",
                        "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff",
                        "ffffffff00000001000000000000000000000000fffffffffffffffffffffffc",
                        "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b",
                        "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296",
                        "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5",
                        "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp384r1 [NIST P-384]",
                        "1.3.132.0.34",
                        "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff",
                        "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc",
                        "b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef",
                        "aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7",
                        "3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f",
                        "ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "secp521r1 [NIST P-521]",
                        "1.3.132.0.35",
                        "01ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
                        "01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc",
                        "0051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00",
                        "00c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66",
                        "011839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650",
                        "01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "X9.62 prime192v2",
                        "1.2.840.10045.3.1.2",
                        "fffffffffffffffffffffffffffffffeffffffffffffffff",
                        "fffffffffffffffffffffffffffffffefffffffffffffffc",
                        "cc22d6dfb95c6b25e49c0d6364a4e5980c393aa21668d953",
                        "eea2bae7e1497842f2de7769cfe9c989c072ad696f48034a",
                        "6574d11d69b6ec7a672bb82a083df2f2b0847de970b2de15",
                        "fffffffffffffffffffffffe5fb1a724dc80418648d8dd31",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "X9.62 prime192v3",
                        "1.2.840.10045.3.1.3",
                        "fffffffffffffffffffffffffffffffeffffffffffffffff",
                        "fffffffffffffffffffffffffffffffefffffffffffffffc",
                        "22123dc2395a05caa7423daeccc94760a7d462256bd56916",
                        "7d29778100c65a1da1783716588dce2b8b4aee8e228f1896",
                        "38a90f22637337334b49dcb66a6dc8f9978aca7648a943b0",
                        "ffffffffffffffffffffffff7a62d031c83f4294f640ec13",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "X9.62 prime239v1",
                        "1.2.840.10045.3.1.4",
                        "7fffffffffffffffffffffff7fffffffffff8000000000007fffffffffff",
                        "7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc",
                        "6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a",
                        "0ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf",
                        "7debe8e4e90a5dae6e4054ca530ba04654b36818ce226b39fccb7b02f1ae",
                        "7fffffffffffffffffffffff7fffff9e5e9a9f5d9071fbd1522688909d0b",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "X9.62 prime239v2",
                        "1.2.840.10045.3.1.5",
                        "7fffffffffffffffffffffff7fffffffffff8000000000007fffffffffff",
                        "7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc",
                        "617fab6832576cbbfed50d99f0249c3fee58b94ba0038c7ae84c8c832f2c",
                        "38af09d98727705120c921bb5e9e26296a3cdcf2f35757a0eafd87b830e7",
                        "5b0125e4dbea0ec7206da0fc01d9b081329fb555de6ef460237dff8be4ba",
                        "7fffffffffffffffffffffff800000cfa7e8594377d414c03821bc582063",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "X9.62 prime239v3",
                        "1.2.840.10045.3.1.6",
                        "7fffffffffffffffffffffff7fffffffffff8000000000007fffffffffff",
                        "7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc",
                        "255705fa2a306654b1f4cb03d6a750a30c250102d4988717d9ba15ab6d3e",
                        "6768ae8e18bb92cfcf005c949aa2c6d94853d0e660bbf854b1c9505fe95a",
                        "1607e6898f390c06bc1d552bad226f3b6fcfe48b6e818499af18e3ed6cf3",
                        "7fffffffffffffffffffffff7fffff975deb41b3a6057c3c432146526551",
                        1)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect113r1",
                        "1.3.132.0.4",
                        "020000000000000000000000000201",
                        "003088250ca6e7c7fe649ce85820f7",
                        "00e8bee4d3e2260744188be0e9c723",
                        "009d73616f35f4ab1407d73562c10f",
                        "00a52830277958ee84d1315ed31886",
                        "0100000000000000d9ccec8a39e56f",
                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect113r2",
                        "1.3.132.0.5",
                        "020000000000000000000000000201",
                        "00689918dbec7e5a0dd6dfc0aa55c7",
                        "0095e9a9ec9b297bd4bf36e059184f",
                        "01a57a6a7b26ca5ef52fcdb8164797",
                        "00b3adc94ed1fe674c06e695baba1d",
                        "010000000000000108789b2496af93",
                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect131r1",
                        "1.3.132.0.22",
                        "080000000000000000000000000000010d",
                        "07a11b09a76b562144418ff3ff8c2570b8",
                        "0217c05610884b63b9c6c7291678f9d341",
                        "0081baf91fdf9833c40f9c181343638399",
                        "078c6e7ea38c001f73c8134b1b4ef9e150",
                        "0400000000000000023123953a9464b54d",
                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect131r2",
                        "1.3.132.0.23",
                        "080000000000000000000000000000010d",
                        "03e5a88919d7cafcbf415f07c2176573b2",
                        "04b8266a46c55657ac734ce38f018f2192",
                        "0356dcd8f2f95031ad652d23951bb366a8",
                        "0648f06d867940a5366d9e265de9eb240f",
                        "0400000000000000016954a233049ba98f",
                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect163k1 [NIST K-163]",
                        "1.3.132.0.1",
                        "0800000000000000000000000000000000000000c9",
                        "000000000000000000000000000000000000000001",
                        "000000000000000000000000000000000000000001",
                        "02fe13c0537bbc11acaa07d793de4e6d5e5c94eee8",
                        "0289070fb05d38ff58321f2e800536d538ccdaa3d9",
                        "04000000000000000000020108a2e0cc0d99f8a5ef",
                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect163r1",
                        "1.3.132.0.2",
                        "0800000000000000000000000000000000000000c9",
                        "07b6882caaefa84f9554ff8428bd88e246d2782ae2",
                        "0713612dcddcb40aab946bda29ca91f73af958afd9",
                        "0369979697ab43897789566789567f787a7876a654",
                        "00435edb42efafb2989d51fefce3c80988f41ff883",
                        "03ffffffffffffffffffff48aab689c29ca710279b",
                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect163r2 [NIST B-163]",
                        "1.3.132.0.15",
                        "0800000000000000000000000000000000000000c9",
                        "000000000000000000000000000000000000000001",
                        "020a601907b8c953ca1481eb10512f78744a3205fd",
                        "03f0eba16286a2d57ea0991168d4994637e8343e36",
                        "00d51fbc6c71a0094fa2cdd545b11c5c0c797324f1",
                        "040000000000000000000292fe77e70c12a4234c33",
                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect193r1",
                        "1.3.132.0.24",
                        "02000000000000000000000000000000000000000000008001",
                        "0017858feb7a98975169e171f77b4087de098ac8a911df7b01",
                        "00fdfb49bfe6c3a89facadaa7a1e5bbc7cc1c2e5d831478814",
                        "01f481bc5f0ff84a74ad6cdf6fdef4bf6179625372d8c0c5e1",
                        "0025e399f2903712ccf3ea9e3a1ad17fb0b3201b6af7ce1b05",
                        "01000000000000000000000000c7f34a778f443acc920eba49",
                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect193r2",
                        "1.3.132.0.25",
                        "02000000000000000000000000000000000000000000008001",
                        "0163f35a5137c2ce3ea6ed8667190b0bc43ecd69977702709b",
                        "00c9bb9e8927d4d64c377e2ab2856a5b16e3efb7f61d4316ae",
                        "00d9b67d192e0367c803f39e1a7e82ca14a651350aae617e8f",
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                        2)
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        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        "1.3.132.0.26",
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        ecCurveDefinitions.add(
                new ECCurveDefinition(
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        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        4)
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        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        4)
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        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        "1.3.132.0.17",
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                        "000000000000000000000000000000000000000000000000000000000000000000000001",
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                        2)
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        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "sect409k1 [NIST K-409]",
                        "1.3.132.0.36",
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                        4)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        "010000000000000000000000000000000000000000000000000001e2aad6a612f33307be5fa47c3c9e052f838164cd37d9a21173",
                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        "1.3.132.0.38",
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                        "020000000000000000000000000000000000000000000000000000000000000000000000131850e1f19a63e4b391a8db917f4138b630d84be5d639381e91deb45cfe778f637c1001",
                        4)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        2)
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        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        2)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        "20000000000000000000000050508cb89f652824e06b8173",
                        4)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        6)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        "2000000000000000000000000000000f4d42ffe1492a4993f1cad666e447",
                        4)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        "1.2.840.10045.3.0.12",
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        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        0xA)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
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                        0x4C)
        );

        ecCurveDefinitions.add(
                new ECCurveDefinition(
                        "X9.62 c2tnb431r1",
                        "1.2.840.10045.3.0.20",
                        "800000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000001",
                        "1a827ef00dd6fc0e234caf046c6a5d8a85395b236cc4ad2cf32a0cadbdc9ddf620b0eb9906d0957f6c6feacd615468df104de296cd8f",
                        "10d9b4a3d9047d8b154359abfb1b7f5485b04ceb868237ddc9deda982a679a5a919b626d4e50a8dd731b107a9962381fb5d807bf2618",
                        "120fc05d3c67a99de161d2f4092622feca701be4f50f4758714e8a87bbf2a658ef8c21e7c5efe965361f6c2999c0c247b0dbd70ce6b7",
                        "20d0af8903a96f8d5fa2c255745d3c451b302c9346d9b7e485e7bce41f6b591f3e8f6addcbb0bc4c2f947a7de1a89b625d6a598b3760",
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                        0x2760)
        );
    }

    public static String getOIDFromPublicKey(ECPublicKey ecPublicKey) {
        ECParameterSpec ecParameterSpec = ecPublicKey.getParams();
        BigInteger order = ecParameterSpec.getOrder();
        BigInteger affineX = ecParameterSpec.getGenerator().getAffineX();
        BigInteger affineY = ecParameterSpec.getGenerator().getAffineY();
        BigInteger a = ecParameterSpec.getCurve().getA();
        BigInteger b = ecParameterSpec.getCurve().getB();
        int h = ecParameterSpec.getCofactor();
        ECField ecField = ecParameterSpec.getCurve().getField();
        BigInteger field;
        if (ecField instanceof ECFieldFp) {
            ECFieldFp ecFieldFp = (ECFieldFp) ecField;
            field = ecFieldFp.getP();
        } else {
            ECFieldF2m ecFieldF2m = (ECFieldF2m) ecField;
            field = ecFieldF2m.getReductionPolynomial();
        }

        Iterator<ECCurveDefinition> ecCurveDefinitionIterator = ecCurveDefinitions.iterator();
        while (ecCurveDefinitionIterator.hasNext()) {
            ECCurveDefinition ecCurveDefinition = ecCurveDefinitionIterator.next();
            String oid = ecCurveDefinition.equals(field, a, b, affineX, affineY, order, h);
            if (oid != null) {
                return oid;
            }
        }
        return null;
    }

    public static ECCurveDefinition getECCurveDefinition(String oid) {
        Iterator<ECCurveDefinition> ecCurveDefinitionIterator = ecCurveDefinitions.iterator();
        while (ecCurveDefinitionIterator.hasNext()) {
            ECCurveDefinition ecCurveDefinition = ecCurveDefinitionIterator.next();
            if (ecCurveDefinition.getOid().equals(oid)) {
                return ecCurveDefinition;
            }
        }
        return null;
    }

    public static class ECCurveDefinition {

        private final String name;
        private final String oid;
        private final String field;
        private final String a;
        private final String b;
        private final String x;
        private final String y;
        private final String n;
        private final int h;

        public ECCurveDefinition(String name, String oid, String field, String a, String b, String x, String y, String n, int h) {
            this.name = name;
            this.oid = oid;
            this.field = field;
            this.a = a;
            this.b = b;
            this.x = x;
            this.y = y;
            this.n = n;
            this.h = h;
        }

        /**
         * returns the ec oid if parameter are equal to this definition
         */
        public String equals(BigInteger field, BigInteger a, BigInteger b, BigInteger x, BigInteger y, BigInteger n, int h) {
            if (this.field.equals(field.toString(16))
                    && this.a.equals(a.toString(16))
                    && this.b.equals(b.toString(16))
                    && this.x.equals(x.toString(16))
                    && this.y.equals(y.toString(16))
                    && this.n.equals(n.toString(16))
                    && this.h == h) {
                return this.oid;
            }
            return null;
        }

        public String getName() {
            return name;
        }

        public String getOid() {
            return oid;
        }

        public String getField() {
            return field;
        }

        public String getA() {
            return a;
        }

        public String getB() {
            return b;
        }

        public String getX() {
            return x;
        }

        public String getY() {
            return y;
        }

        public String getN() {
            return n;
        }

        public int getH() {
            return h;
        }
    }

    public static byte[] encodePoint(ECPoint ecPoint, EllipticCurve ellipticCurve) {
        int size = (ellipticCurve.getField().getFieldSize() + 7) / 8;
        byte affineXBytes[] = stripLeadingZeros(ecPoint.getAffineX().toByteArray());
        byte affineYBytes[] = stripLeadingZeros(ecPoint.getAffineY().toByteArray());
        byte encodedBytes[] = new byte[size * 2 + 1];
        encodedBytes[0] = 0x04; //uncompressed
        System.arraycopy(affineXBytes, 0, encodedBytes, size - affineXBytes.length + 1, affineXBytes.length);
        System.arraycopy(affineYBytes, 0, encodedBytes, encodedBytes.length - affineYBytes.length, affineYBytes.length);
        return encodedBytes;
    }

    public static ECPoint decodePoint(byte[] encodedBytes, EllipticCurve elliptiCcurve) {
        if (encodedBytes[0] != 0x04) {
            throw new IllegalArgumentException("Only uncompressed format is supported");
        }

        int size = (elliptiCcurve.getField().getFieldSize() + 7) / 8;
        byte affineXBytes[] = new byte[size];
        byte affineYBytes[] = new byte[size];
        System.arraycopy(encodedBytes, 1, affineXBytes, 0, size);
        System.arraycopy(encodedBytes, size + 1, affineYBytes, 0, size);
        return new ECPoint(new BigInteger(1, affineXBytes), new BigInteger(1, affineYBytes));
    }

    public static byte[] stripLeadingZeros(byte[] bytes) {
        int i;
        for (i = 0; i < bytes.length - 1; i++) {
            if (bytes[i] != 0) {
                break;
            }
        }

        if (i == 0) {
            return bytes;
        } else {
            byte stripped[] = new byte[bytes.length - i];
            System.arraycopy(bytes, i, stripped, 0, stripped.length);
            return stripped;
        }
    }
}

com/sun/org/apache/xml/internal/security/algorithms/implementations/ECDSAUtils.java

 

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File size: 539662 bytes
Release date: 2018-11-04
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