diff --git a/gym-manage-api/KeyAnalyzer.java b/gym-manage-api/KeyAnalyzer.java deleted file mode 100644 index e460fe7..0000000 --- a/gym-manage-api/KeyAnalyzer.java +++ /dev/null @@ -1,202 +0,0 @@ -import java.util.Base64; -import java.math.BigInteger; -import java.io.ByteArrayInputStream; - -public class KeyAnalyzer { - public static void main(String[] args) { - String privateKeyBase64 = "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"; - - System.out.println("========== 密钥分析开始 =========="); - System.out.println("密钥长度: " + privateKeyBase64.length()); - - byte[] keyBytes = Base64.getDecoder().decode(privateKeyBase64); - System.out.println("解码后长度: " + keyBytes.length + " bytes"); - - // 打印前30字节 - System.out.print("前30字节(hex): "); - for (int i = 0; i < 30 && i < keyBytes.length; i++) { - System.out.printf("%02X ", keyBytes[i]); - } - System.out.println(); - - // 解析ASN.1结构 - try { - parseASN1(keyBytes); - } catch (Exception e) { - System.out.println("解析失败: " + e.getMessage()); - e.printStackTrace(); - } - } - - static void parseASN1(byte[] keyBytes) throws Exception { - ByteArrayInputStream bis = new ByteArrayInputStream(keyBytes); - - // 读取SEQUENCE - int tag = bis.read(); - System.out.println("第一个tag: 0x" + Integer.toHexString(tag)); - - if (tag == 0x30) { - System.out.println("这是SEQUENCE"); - - // 读取长度 - int len = readASN1Length(bis); - System.out.println("SEQUENCE长度: " + len); - - // 检查下一个tag - int nextTag = bis.read(); - System.out.println("下一个tag: 0x" + Integer.toHexString(nextTag)); - - if (nextTag == 0x02) { - // INTEGER - int intLen = readASN1Length(bis); - byte[] versionBytes = new byte[intLen]; - bis.read(versionBytes); - int version = new BigInteger(versionBytes).intValue(); - System.out.println("版本INTEGER值: " + version); - - // 检查这是PKCS#8还是PKCS#1 - // PKCS#8: version=0后是SEQUENCE(算法标识符) - // PKCS#1: version=0后是INTEGER(modulus) - int afterVersionTag = bis.read(); - System.out.println("版本后的tag: 0x" + Integer.toHexString(afterVersionTag)); - - if (afterVersionTag == 0x30) { - System.out.println(">>> 这是PKCS#8格式 (version后是SEQUENCE)"); - - // 解析PKCS#8 - // AlgorithmIdentifier: SEQUENCE { OID, NULL } - int algLen = readASN1Length(bis); - System.out.println("AlgorithmIdentifier长度: " + algLen); - - // 跳过AlgorithmIdentifier内容 - byte[] algBytes = new byte[algLen]; - bis.read(algBytes); - - // 打印OID - System.out.print("OID bytes: "); - for (int i = 0; i < algBytes.length; i++) { - System.out.printf("%02X ", algBytes[i]); - } - System.out.println(); - - // 下一个应该是OCTET STRING (包含私钥) - int octetTag = bis.read(); - System.out.println("下一个tag: 0x" + Integer.toHexString(octetTag)); - - if (octetTag == 0x04) { - System.out.println("这是OCTET STRING (包含私钥数据)"); - int octetLen = readASN1Length(bis); - System.out.println("OCTET STRING长度: " + octetLen); - - // OCTET STRING内容是PKCS#1私钥 - byte[] pkcs1Bytes = new byte[octetLen]; - bis.read(pkcs1Bytes); - - System.out.print("PKCS#1私钥前20字节: "); - for (int i = 0; i < 20; i++) { - System.out.printf("%02X ", pkcs1Bytes[i]); - } - System.out.println(); - - // 解析PKCS#1私钥 - ByteArrayInputStream pkcs1Stream = new ByteArrayInputStream(pkcs1Bytes); - int pkcs1Tag = pkcs1Stream.read(); - System.out.println("PKCS#1第一个tag: 0x" + Integer.toHexString(pkcs1Tag)); - - if (pkcs1Tag == 0x30) { - int pkcs1Len = readASN1Length(pkcs1Stream); - System.out.println("PKCS#1 SEQUENCE长度: " + pkcs1Len); - - // version - int vTag = pkcs1Stream.read(); - int vLen = readASN1Length(pkcs1Stream); - byte[] vBytes = new byte[vLen]; - pkcs1Stream.read(vBytes); - System.out.println("PKCS#1版本: " + new BigInteger(vBytes)); - - // 解析私钥参数 - parsePKCS1(pkcs1Stream); - } - } - } else if (afterVersionTag == 0x02) { - System.out.println(">>> 这是PKCS#1格式 (version后是INTEGER)"); - - // 继续解析PKCS#1 - parsePKCS1(bis); - } else { - System.out.println(">>> 未知格式 (tag: 0x" + Integer.toHexString(afterVersionTag) + ")"); - } - } - } - } - - static void parsePKCS1(ByteArrayInputStream bis) throws Exception { - System.out.println("\n========== 解析PKCS#1私钥参数 =========="); - - // modulus - BigInteger modulus = readASN1Integer(bis); - System.out.println("modulus长度: " + modulus.bitLength() + " bits"); - - // publicExponent - BigInteger publicExponent = readASN1Integer(bis); - System.out.println("publicExponent: " + publicExponent); - - // privateExponent - BigInteger privateExponent = readASN1Integer(bis); - System.out.println("privateExponent长度: " + privateExponent.bitLength() + " bits"); - - // prime1 - BigInteger prime1 = readASN1Integer(bis); - System.out.println("prime1长度: " + prime1.bitLength() + " bits"); - - // prime2 - BigInteger prime2 = readASN1Integer(bis); - System.out.println("prime2长度: " + prime2.bitLength() + " bits"); - - // 验证 prime1 * prime2 == modulus - BigInteger calculatedModulus = prime1.multiply(prime2); - boolean valid = calculatedModulus.equals(modulus); - System.out.println("\n验证 prime1 * prime2 == modulus: " + valid); - - if (!valid) { - System.out.println(">>> 密钥数学关系不正确！这是无效的RSA私钥"); - System.out.println("计算得到的modulus长度: " + calculatedModulus.bitLength() + " bits"); - } - - // exponent1 - BigInteger exponent1 = readASN1Integer(bis); - System.out.println("exponent1长度: " + exponent1.bitLength() + " bits"); - - // exponent2 - BigInteger exponent2 = readASN1Integer(bis); - System.out.println("exponent2长度: " + exponent2.bitLength() + " bits"); - - // coefficient - BigInteger coefficient = readASN1Integer(bis); - System.out.println("coefficient长度: " + coefficient.bitLength() + " bits"); - - System.out.println("\n========== 解析完成 =========="); - } - - static int readASN1Length(ByteArrayInputStream bis) throws Exception { - int firstByte = bis.read(); - if ((firstByte & 0x80) == 0) { - return firstByte; - } - int numBytes = firstByte & 0x7F; - int length = 0; - for (int i = 0; i < numBytes; i++) { - length = (length << 8) | (bis.read() & 0xFF); - } - return length; - } - - static BigInteger readASN1Integer(ByteArrayInputStream bis) throws Exception { - int tag = bis.read(); - if (tag != 0x02) throw new Exception("期望INTEGER tag: 0x02, 实际: 0x" + Integer.toHexString(tag)); - int len = readASN1Length(bis); - byte[] data = new byte[len]; - bis.read(data); - return new BigInteger(1, data); - } -} \ No newline at end of file