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sm3 工具

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This commit is contained in:
cheney 2026-05-13 17:00:47 +08:00
parent a73c28c165
commit 21576fd7d2
5 changed files with 53 additions and 69 deletions
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12
device-fingerprint-tool/src/main/java/com/sunyard/cisd/Main.java
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@ -36,18 +36,18 @@ public class Main {
PublicKey publicKey = SM2Util.loadPublicKey("/sm2_public_key.pem");
String publicKeyPEM = SM2Util.publicKeyToPEM(publicKey);
SM2Util.writeFile(SIGN_FILE, signature);
SM3Util.writeFile(SIGN_FILE, signature);
System.out.println("签名文件已保存: " + SIGN_FILE);
String signSm3 = SM2Util.sm3DigestHex(signature);
SM2Util.writeFile(SIGN_SM3_FILE, signSm3);
String signSm3 = SM3Util.sm3DigestHex(signature);
SM3Util.writeFile(SIGN_SM3_FILE, signSm3);
System.out.println("签名SM3校验值已保存: " + SIGN_SM3_FILE + " (" + signSm3 + ")");
SM2Util.writeFile(PUBLIC_KEY_FILE, publicKeyPEM);
SM3Util.writeFile(PUBLIC_KEY_FILE, publicKeyPEM);
System.out.println("公钥文件已保存: " + PUBLIC_KEY_FILE);
String publicKeySm3 = SM2Util.sm3DigestHex(publicKeyPEM.getBytes(StandardCharsets.UTF_8));
SM2Util.writeFile(PUBLIC_KEY_SM3_FILE, publicKeySm3);
String publicKeySm3 = SM3Util.sm3DigestHex(publicKeyPEM.getBytes(StandardCharsets.UTF_8));
SM3Util.writeFile(PUBLIC_KEY_SM3_FILE, publicKeySm3);
System.out.println("公钥SM3校验值已保存: " + PUBLIC_KEY_SM3_FILE + " (" + publicKeySm3 + ")");
boolean verified = SM2Util.verify(plainText.getBytes(StandardCharsets.UTF_8), signature, publicKey);

58
device-fingerprint-tool/src/main/java/com/sunyard/cisd/SM2Util.java
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@ -1,42 +1,14 @@
package com.sunyard.cisd;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.gm.GMObjectIdentifiers;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x9.X9ECParameters;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.engines.SM2Engine;
import org.bouncycastle.crypto.params.ECDomainParameters;
import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
import org.bouncycastle.crypto.params.ECPublicKeyParameters;
import org.bouncycastle.crypto.params.ParametersWithRandom;
import org.bouncycastle.crypto.signers.SM2Signer;
import org.bouncycastle.crypto.digests.SM3Digest;
import org.bouncycastle.jce.ECNamedCurveTable;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.jce.spec.ECParameterSpec;
import org.bouncycastle.jce.spec.ECPrivateKeySpec;
import org.bouncycastle.jce.spec.ECPublicKeySpec;
import org.bouncycastle.math.ec.ECPoint;
import org.bouncycastle.util.BigIntegers;
import org.bouncycastle.util.encoders.Hex;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.Security;
import java.security.Signature;
import java.security.*;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.Base64;
@ -159,32 +131,4 @@ public class SM2Util {
pem.append("-----END PUBLIC KEY-----\n");
return pem.toString();
}
public static byte[] sm3Digest(byte[] data) {
SM3Digest digest = new SM3Digest();
digest.update(data, 0, data.length);
byte[] result = new byte[digest.getDigestSize()];
digest.doFinal(result, 0);
return result;
}
public static String sm3DigestHex(byte[] data) {
byte[] digest = sm3Digest(data);
return Hex.toHexString(digest);
}
public static void writeFile(String filePath, byte[] content) throws Exception {
File file = new File(filePath);
File parentDir = file.getParentFile();
if (parentDir != null && !parentDir.exists()) {
parentDir.mkdirs();
}
try (OutputStream os = new FileOutputStream(file)) {
os.write(content);
}
}
public static void writeFile(String filePath, String content) throws Exception {
writeFile(filePath, content.getBytes(StandardCharsets.UTF_8));
}
}

40
device-fingerprint-tool/src/main/java/com/sunyard/cisd/SM3Util.java Normal file
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@ -0,0 +1,40 @@
package com.sunyard.cisd;
import org.bouncycastle.crypto.digests.SM3Digest;
import org.bouncycastle.util.encoders.Hex;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
public class SM3Util {
public static byte[] sm3Digest(byte[] data) {
SM3Digest digest = new SM3Digest();
digest.update(data, 0, data.length);
byte[] result = new byte[digest.getDigestSize()];
digest.doFinal(result, 0);
return result;
}
public static String sm3DigestHex(byte[] data) {
byte[] digest = sm3Digest(data);
return Hex.toHexString(digest);
}
public static void writeFile(String filePath, byte[] content) throws Exception {
File file = new File(filePath);
File parentDir = file.getParentFile();
if (parentDir != null && !parentDir.exists()) {
parentDir.mkdirs();
}
try (OutputStream os = new FileOutputStream(file)) {
os.write(content);
}
}
public static void writeFile(String filePath, String content) throws Exception {
writeFile(filePath, content.getBytes(StandardCharsets.UTF_8));
}
}

8
device-fingerprint-tool/src/main/resources/sm2_private_key.pem
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@ -1,6 +1,6 @@
-----BEGIN PRIVATE KEY-----
MIGTAgEAMBMGByqGSM49AgEGCCqBHM9VAYItBHkwdwIBAQQgWFBMLowcSO3Pn8tP
KLszWBm/BSNPwSQvXErq1NiXkvqgCgYIKoEcz1UBgi2hRANCAARhkJ62bG2Gjg3h
LE5fSlyaYxjFNKEyehbFUcHQSOPwRL9pDwUD5bnqpo3jNNlVYQnaKV0khg8gKlBU
I3MM2oX4
MIGTAgEAMBMGByqGSM49AgEGCCqBHM9VAYItBHkwdwIBAQQgyJA6u1jwC/MP+/K7
ntiVLFB0XsldCIdY8Lift06UEaugCgYIKoEcz1UBgi2hRANCAAR7x0q/Bqj6JVwR
mfjccNmJ5Wd8ZuDZZnPudWT1UupNtg9aNaEYHYa52xANhiu3IzOELmTtfs/QRMRe
oabBvDAi
-----END PRIVATE KEY-----

4
device-fingerprint-tool/src/main/resources/sm2_public_key.pem
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@ -1,4 +1,4 @@
-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoEcz1UBgi0DQgAEYZCetmxtho4N4SxOX0pcmmMYxTSh
MnoWxVHB0Ejj8ES/aQ8FA+W56qaN4zTZVWEJ2ildJIYPICpQVCNzDNqF+A==
MFkwEwYHKoZIzj0CAQYIKoEcz1UBgi0DQgAEe8dKvwao+iVcEZn43HDZieVnfGbg
2WZz7nVk9VLqTbYPWjWhGB2GudsQDYYrtyMzhC5k7X7P0ETEXqGmwbwwIg==
-----END PUBLIC KEY-----