| package org.bouncycastle.crypto.test; |
| |
| import java.math.BigInteger; |
| |
| import org.bouncycastle.crypto.AsymmetricCipherKeyPair; |
| import org.bouncycastle.crypto.InvalidCipherTextException; |
| import org.bouncycastle.crypto.engines.SM2Engine; |
| import org.bouncycastle.crypto.generators.ECKeyPairGenerator; |
| import org.bouncycastle.crypto.params.ECDomainParameters; |
| import org.bouncycastle.crypto.params.ECKeyGenerationParameters; |
| import org.bouncycastle.crypto.params.ECPrivateKeyParameters; |
| import org.bouncycastle.crypto.params.ECPublicKeyParameters; |
| import org.bouncycastle.crypto.params.ParametersWithRandom; |
| import org.bouncycastle.math.ec.ECCurve; |
| import org.bouncycastle.math.ec.ECPoint; |
| import org.bouncycastle.util.Arrays; |
| import org.bouncycastle.util.Strings; |
| import org.bouncycastle.util.encoders.Hex; |
| import org.bouncycastle.util.test.SimpleTest; |
| import org.bouncycastle.util.test.TestRandomBigInteger; |
| |
| public class SM2EngineTest |
| extends SimpleTest |
| { |
| public String getName() |
| { |
| return "SM2Engine"; |
| } |
| |
| private void doEngineTestFp() |
| throws Exception |
| { |
| BigInteger SM2_ECC_P = new BigInteger("8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3", 16); |
| BigInteger SM2_ECC_A = new BigInteger("787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498", 16); |
| BigInteger SM2_ECC_B = new BigInteger("63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A", 16); |
| BigInteger SM2_ECC_N = new BigInteger("8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7", 16); |
| BigInteger SM2_ECC_GX = new BigInteger("421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D", 16); |
| BigInteger SM2_ECC_GY = new BigInteger("0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2", 16); |
| |
| ECCurve curve = new ECCurve.Fp(SM2_ECC_P, SM2_ECC_A, SM2_ECC_B); |
| |
| ECPoint g = curve.createPoint(SM2_ECC_GX, SM2_ECC_GY); |
| ECDomainParameters domainParams = new ECDomainParameters(curve, g, SM2_ECC_N); |
| |
| ECKeyPairGenerator keyPairGenerator = new ECKeyPairGenerator(); |
| |
| ECKeyGenerationParameters aKeyGenParams = new ECKeyGenerationParameters(domainParams, new TestRandomBigInteger("1649AB77A00637BD5E2EFE283FBF353534AA7F7CB89463F208DDBC2920BB0DA0", 16)); |
| |
| keyPairGenerator.init(aKeyGenParams); |
| |
| AsymmetricCipherKeyPair aKp = keyPairGenerator.generateKeyPair(); |
| |
| ECPublicKeyParameters aPub = (ECPublicKeyParameters)aKp.getPublic(); |
| ECPrivateKeyParameters aPriv = (ECPrivateKeyParameters)aKp.getPrivate(); |
| |
| SM2Engine sm2Engine = new SM2Engine(); |
| |
| byte[] m = Strings.toByteArray("encryption standard"); |
| |
| sm2Engine.init(true, new ParametersWithRandom(aPub, new TestRandomBigInteger("4C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F", 16))); |
| |
| byte[] enc = sm2Engine.processBlock(m, 0, m.length); |
| |
| isTrue("enc wrong", Arrays.areEqual(Hex.decode( |
| "04245C26 FB68B1DD DDB12C4B 6BF9F2B6 D5FE60A3 83B0D18D 1C4144AB F17F6252" + |
| "E776CB92 64C2A7E8 8E52B199 03FDC473 78F605E3 6811F5C0 7423A24B 84400F01" + |
| "B8650053 A89B41C4 18B0C3AA D00D886C 00286467 9C3D7360 C30156FA B7C80A02" + |
| "76712DA9 D8094A63 4B766D3A 285E0748 0653426D"), enc)); |
| |
| sm2Engine.init(false, aPriv); |
| |
| byte[] dec = sm2Engine.processBlock(enc, 0, enc.length); |
| |
| isTrue("dec wrong", Arrays.areEqual(m, dec)); |
| |
| enc[80] = (byte)(enc[80] + 1); |
| |
| try |
| { |
| sm2Engine.processBlock(enc, 0, enc.length); |
| fail("no exception"); |
| } |
| catch (InvalidCipherTextException e) |
| { |
| isTrue("wrong exception", "invalid cipher text".equals(e.getMessage())); |
| } |
| |
| // long message |
| sm2Engine = new SM2Engine(); |
| |
| m = new byte[4097]; |
| for (int i = 0; i != m.length; i++) |
| { |
| m[i] = (byte)i; |
| } |
| |
| sm2Engine.init(true, new ParametersWithRandom(aPub, new TestRandomBigInteger("4C62EEFD6ECFC2B95B92FD6C3D9575148AFA17425546D49018E5388D49DD7B4F", 16))); |
| |
| enc = sm2Engine.processBlock(m, 0, m.length); |
| |
| sm2Engine.init(false, aPriv); |
| |
| dec = sm2Engine.processBlock(enc, 0, enc.length); |
| |
| isTrue("dec wrong", Arrays.areEqual(m, dec)); |
| } |
| |
| private void doEngineTestF2m() |
| throws Exception |
| { |
| BigInteger SM2_ECC_A = new BigInteger("00", 16); |
| BigInteger SM2_ECC_B = new BigInteger("E78BCD09746C202378A7E72B12BCE00266B9627ECB0B5A25367AD1AD4CC6242B", 16); |
| BigInteger SM2_ECC_N = new BigInteger("7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBC972CF7E6B6F900945B3C6A0CF6161D", 16); |
| BigInteger SM2_ECC_GX = new BigInteger("00CDB9CA7F1E6B0441F658343F4B10297C0EF9B6491082400A62E7A7485735FADD", 16); |
| BigInteger SM2_ECC_GY = new BigInteger("013DE74DA65951C4D76DC89220D5F7777A611B1C38BAE260B175951DC8060C2B3E", 16); |
| BigInteger SM2_ECC_H = BigInteger.valueOf(4); |
| |
| ECCurve curve = new ECCurve.F2m(257, 12, SM2_ECC_A, SM2_ECC_B); |
| |
| ECPoint g = curve.createPoint(SM2_ECC_GX, SM2_ECC_GY); |
| ECDomainParameters domainParams = new ECDomainParameters(curve, g, SM2_ECC_N, SM2_ECC_H); |
| |
| ECKeyPairGenerator keyPairGenerator = new ECKeyPairGenerator(); |
| |
| ECKeyGenerationParameters aKeyGenParams = new ECKeyGenerationParameters(domainParams, new TestRandomBigInteger("56A270D17377AA9A367CFA82E46FA5267713A9B91101D0777B07FCE018C757EB", 16)); |
| |
| keyPairGenerator.init(aKeyGenParams); |
| |
| AsymmetricCipherKeyPair aKp = keyPairGenerator.generateKeyPair(); |
| |
| ECPublicKeyParameters aPub = (ECPublicKeyParameters)aKp.getPublic(); |
| ECPrivateKeyParameters aPriv = (ECPrivateKeyParameters)aKp.getPrivate(); |
| |
| SM2Engine sm2Engine = new SM2Engine(); |
| |
| byte[] m = Strings.toByteArray("encryption standard"); |
| |
| sm2Engine.init(true, new ParametersWithRandom(aPub, new TestRandomBigInteger("6D3B497153E3E92524E5C122682DBDC8705062E20B917A5F8FCDB8EE4C66663D", 16))); |
| |
| byte[] enc = sm2Engine.processBlock(m, 0, m.length); |
| |
| isTrue("f2m enc wrong", Arrays.areEqual(Hex.decode( |
| "04019D23 6DDB3050 09AD52C5 1BB93270 9BD534D4 76FBB7B0 DF9542A8 A4D890A3" + |
| "F2E100B2 3B938DC0 A94D1DF8 F42CF45D 2D6601BF 638C3D7D E75A29F0 2AFB7E45" + |
| "E91771FD 55AC6213 C2A8A040 E4CAB5B2 6A9CFCDA 737373A4 8625D375 8FA37B3E" + |
| "AB80E9CF CABA665E 3199EA15 A1FA8189 D96F5791 25E4"), enc)); |
| |
| sm2Engine.init(false, aPriv); |
| |
| byte[] dec = sm2Engine.processBlock(enc, 0, enc.length); |
| |
| isTrue("f2m dec wrong", Arrays.areEqual(m, dec)); |
| } |
| |
| public void performTest() |
| throws Exception |
| { |
| doEngineTestFp(); |
| doEngineTestF2m(); |
| } |
| |
| public static void main(String[] args) |
| { |
| runTest(new SM2EngineTest()); |
| } |
| } |