java.lang.Object

org.miaixz.bus.crypto.Keeper

public class Keeper extends Object

密钥工具

 1、生成密钥（单密钥、密钥对）
 2、读取密钥文件

Since:: Java 17+
Author:: Kimi Liu

Field Summary

Fields

Modifier and Type

Field

Description

static final int

DEFAULT_KEY_SIZE

默认密钥字节数

static final String

TYPE_JCEKS

jceks

static final String

TYPE_JKS

Java密钥库(Java Key Store，JKS)KEY_STORE

static final String

TYPE_PKCS12

PKCS12是公钥加密标准，它规定了可包含所有私钥、公钥和证书。其以二进制格式存储，也称为 PFX 文件

static final String

TYPE_X509

Certification类型：X.509
Constructor Summary

Constructors

Constructor

Description

Keeper()
Method Summary

Modifier and Type

Method

Description

static KeySpec

createOpenSSHPrivateKeySpec(byte[] key)

创建OpenSSHPrivateKeySpec

static KeySpec

createOpenSSHPublicKeySpec(byte[] key)

创建OpenSSHPublicKeySpec

static PublicKey

decodeECPoint(byte[] encodeByte, String curveName)

解码恢复EC压缩公钥,支持Base64和Hex编码,（基于BouncyCastle）

static PublicKey

decodeECPoint(String encode, String curveName)

解码恢复EC压缩公钥,支持Base64和Hex编码,（基于BouncyCastle）见：https://www.cnblogs.com/xinzhao/p/8963724.html

static org.bouncycastle.crypto.params.ECPrivateKeyParameters

decodePrivateKeyParams(byte[] privateKeyBytes)

尝试解析转换各种类型私钥为ECPrivateKeyParameters，支持包括： D值 PKCS#8 PKCS#1

static org.bouncycastle.crypto.params.ECPublicKeyParameters

decodePublicKeyParams(byte[] publicKeyBytes)

尝试解析转换各种类型公钥为ECPublicKeyParameters，支持包括： Q值 X.509 PKCS#1

static byte[]

encodeECPrivateKey(PrivateKey privateKey)

只获取私钥里的d，32位字节

static byte[]

encodeECPublicKey(PublicKey publicKey)

编码压缩EC公钥（基于BouncyCastle）见：...

static byte[]

encodeECPublicKey(PublicKey publicKey, boolean isCompressed)

编码压缩EC公钥（基于BouncyCastle），即Q值见：https://www.cnblogs.com/xinzhao/p/8963724.html

static SecretKey

generateDESKey(String algorithm, byte[] key)

生成 SecretKey

static SecretKey

generateKey(String algorithm)

生成 SecretKey，仅用于对称加密和摘要算法密钥生成

static SecretKey

generateKey(String algorithm, byte[] key)

生成 SecretKey，仅用于对称加密和摘要算法密钥生成

static SecretKey

generateKey(String algorithm, int keySize)

生成 SecretKey，仅用于对称加密和摘要算法密钥生成当指定keySize<0时，AES默认长度为128，其它算法不指定。

static SecretKey

generateKey(String algorithm, int keySize, SecureRandom random)

生成 SecretKey，仅用于对称加密和摘要算法密钥生成当指定keySize<0时，AES默认长度为128，其它算法不指定。

static SecretKey

generateKey(String algorithm, KeySpec keySpec)

生成 SecretKey，仅用于对称加密和摘要算法

static KeyPair

generateKeyPair(String algorithm)

生成用于非对称加密的公钥和私钥，仅用于非对称加密密钥对生成算法见：...

static KeyPair

generateKeyPair(String algorithm, byte[] seed, AlgorithmParameterSpec param)

生成用于非对称加密的公钥和私钥密钥对生成算法见：...

static KeyPair

generateKeyPair(String algorithm, int keySize)

生成用于非对称加密的公钥和私钥密钥对生成算法见：...

static KeyPair

generateKeyPair(String algorithm, int keySize, byte[] seed)

生成用于非对称加密的公钥和私钥密钥对生成算法见：...

static KeyPair

generateKeyPair(String algorithm, int keySize, byte[] seed, AlgorithmParameterSpec... params)

生成用于非对称加密的公钥和私钥密钥对生成算法见：...

static KeyPair

generateKeyPair(String algorithm, int keySize, SecureRandom random, AlgorithmParameterSpec... params)

生成用于非对称加密的公钥和私钥密钥对生成算法见：...

static KeyPair

generateKeyPair(String algorithm, AlgorithmParameterSpec params)

生成用于非对称加密的公钥和私钥密钥对生成算法见：...

static SecretKey

generatePBEKey(String algorithm, char[] password)

生成PBE SecretKey

static PrivateKey

generatePrivateKey(String algorithm, byte[] key)

生成私钥，仅用于非对称加密采用PKCS#8规范，此规范定义了私钥信息语法和加密私钥语法算法见：...

static PrivateKey

generatePrivateKey(String algorithm, KeySpec keySpec)

生成私钥，仅用于非对称加密算法见：...

static PrivateKey

generatePrivateKey(KeyStore keyStore, String alias, char[] password)

生成私钥，仅用于非对称加密

static PublicKey

generatePublicKey(String algorithm, byte[] key)

生成公钥，仅用于非对称加密采用X509证书规范算法见：...

static PublicKey

generatePublicKey(String algorithm, KeySpec keySpec)

生成公钥，仅用于非对称加密算法见：...

static PrivateKey

generateRSAPrivateKey(byte[] key)

生成RSA私钥，仅用于非对称加密采用PKCS#8规范，此规范定义了私钥信息语法和加密私钥语法算法见：...

static PublicKey

generateRSAPublicKey(byte[] key)

生成RSA公钥，仅用于非对称加密采用X509证书规范算法见：...

static String

getAlgorithmAfterWith(String algorithm)

获取用于密钥生成的算法获取XXXwithXXX算法的后半部分算法，如果为ECDSA或SM2，返回算法为EC

static Certificate

getCertificate(KeyStore keyStore, String alias)

获得 Certification

static CertificateFactory

getCertificateFactory(String type)

获取CertificateFactory

static KeyFactory

getKeyFactory(String algorithm)

获取KeyFactory

static KeyGenerator

getKeyGenerator(String algorithm)

获取KeyGenerator

static KeyPair

getKeyPair(String type, InputStream in, char[] password, String alias)

从KeyStore中获取私钥公钥

static KeyPair

getKeyPair(KeyStore keyStore, char[] password, String alias)

从KeyStore中获取私钥公钥

static KeyPairGenerator

getKeyPairGenerator(String algorithm)

获取KeyPairGenerator

static KeyStore

getKeyStore(String type)

获取KeyStore对象

static String

getMainAlgorithm(String algorithm)

获取主体算法名，例如RSA/ECB/PKCS1Padding的主体算法是RSA

static org.bouncycastle.crypto.params.ECPublicKeyParameters

getPublicParams(org.bouncycastle.crypto.params.ECPrivateKeyParameters privateKeyParameters)

根据私钥参数获取公钥参数

static PublicKey

getRSAPublicKey(String modulus, String publicExponent)

获得RSA公钥对象

static PublicKey

getRSAPublicKey(BigInteger modulus, BigInteger publicExponent)

获得RSA公钥对象

static PublicKey

getRSAPublicKey(PrivateKey privateKey)

通过RSA私钥生成RSA公钥

static SecretKeyFactory

getSecretKeyFactory(String algorithm)

获取SecretKeyFactory

static boolean

isEmpty(KeyPair keyPair)

检查KeyPair 是否为空，空的条件是： keyPair本身为null KeyPair.getPrivate()和KeyPair.getPublic()都为null

static Certificate

readCertificate(String type, InputStream in)

读取Certification文件 Certification为证书文件 see: ...

static Certificate

readCertificate(String type, InputStream in, char[] password, String alias)

读取Certification文件 Certification为证书文件 see: ...

static KeyStore

readJKSKeyStore(File keyFile, char[] password)

读取密钥库(Java Key Store，JKS) KeyStore文件 KeyStore文件用于数字证书的密钥对保存 see: ...

static KeyStore

readJKSKeyStore(InputStream in, char[] password)

读取密钥库(Java Key Store，JKS) KeyStore文件 KeyStore文件用于数字证书的密钥对保存 see: ...

static KeyStore

readKeyStore(String type, File keyFile, char[] password)

读取KeyStore文件 KeyStore文件用于数字证书的密钥对保存 see: ...

static KeyStore

readKeyStore(String type, InputStream in, char[] password)

读取KeyStore文件 KeyStore文件用于数字证书的密钥对保存 see: ...

static byte[]

readPem(InputStream keyStream)

从pem流中读取公钥或私钥

static Key

readPemKey(InputStream keyStream)

从pem文件中读取公钥或私钥根据类型返回 PublicKey 或者 PrivateKey

static org.bouncycastle.util.io.pem.PemObject

readPemObject(InputStream keyStream)

读取pem文件中的信息，包括类型、头信息和密钥内容

static org.bouncycastle.util.io.pem.PemObject

readPemObject(Reader reader)

读取pem文件中的信息，包括类型、头信息和密钥内容

static PrivateKey

readPemPrivateKey(InputStream pemStream)

读取PEM格式的私钥

static PublicKey

readPemPublicKey(InputStream pemStream)

读取PEM格式的公钥

static KeyStore

readPKCS12KeyStore(File keyFile, char[] password)

读取PKCS12 KeyStore文件 KeyStore文件用于数字证书的密钥对保存

static KeyStore

readPKCS12KeyStore(InputStream in, char[] password)

读取PKCS12 KeyStore文件 KeyStore文件用于数字证书的密钥对保存

static PublicKey

readPublicKeyFromCert(InputStream in)

读取X.509 Certification文件中的公钥 Certification为证书文件 see: ...

static Certificate

readX509Certificate(InputStream in)

读取X.509 Certification文件 Certification为证书文件 see: ...

static Certificate

readX509Certificate(InputStream in, char[] password, String alias)

读取X.509 Certification文件 Certification为证书文件 see: ...

static String

toBase64(Key key)

将密钥编码为Base64格式

static org.bouncycastle.crypto.params.AsymmetricKeyParameter

toParams(Key key)

密钥转换为AsymmetricKeyParameter

static String

toPem(String type, byte[] content)

将私钥或公钥转换为PEM格式的字符串

static org.bouncycastle.crypto.params.ECPrivateKeyParameters

toPrivateParams(byte[] d, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为 ECPrivateKeyParameters

static org.bouncycastle.crypto.params.ECPrivateKeyParameters

toPrivateParams(String d, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为 ECPrivateKeyParameters

static org.bouncycastle.crypto.params.ECPrivateKeyParameters

toPrivateParams(BigInteger d, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为 ECPrivateKeyParameters

static org.bouncycastle.crypto.params.ECPrivateKeyParameters

toPrivateParams(PrivateKey privateKey)

私钥转换为 ECPrivateKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toPublicParams(byte[] xBytes, byte[] yBytes, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toPublicParams(byte[] pointEncoded, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toPublicParams(String x, String y, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toPublicParams(String pointEncoded, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toPublicParams(BigInteger x, BigInteger y, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toPublicParams(PublicKey publicKey)

公钥转换为 ECPublicKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toPublicParams(org.bouncycastle.math.ec.ECPoint point, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

static PrivateKey

toSm2PrivateKey(org.bouncycastle.asn1.sec.ECPrivateKey privateKey)

将SM2算法的ECPrivateKey 转换为 PrivateKey

static org.bouncycastle.crypto.params.ECPrivateKeyParameters

toSm2PrivateParams(byte[] d)

转换为 ECPrivateKeyParameters

static org.bouncycastle.crypto.params.ECPrivateKeyParameters

toSm2PrivateParams(String d)

转换为 ECPrivateKeyParameters

static org.bouncycastle.crypto.params.ECPrivateKeyParameters

toSm2PrivateParams(BigInteger d)

转换为 ECPrivateKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toSm2PublicParams(byte[] q)

转换为 ECPublicKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toSm2PublicParams(byte[] xBytes, byte[] yBytes)

转换为SM2的ECPublicKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toSm2PublicParams(String q)

转换为 ECPublicKeyParameters

static org.bouncycastle.crypto.params.ECPublicKeyParameters

toSm2PublicParams(String x, String y)

转换为SM2的ECPublicKeyParameters

static void

writePemObject(String type, byte[] content, OutputStream keyStream)

写出pem密钥（私钥、公钥、证书）

static void

writePemObject(String type, byte[] content, Writer writer)

写出pem密钥（私钥、公钥、证书）

static void

writePemObject(org.bouncycastle.util.io.pem.PemObjectGenerator pemObject, OutputStream keyStream)

写出pem密钥（私钥、公钥、证书）

static void

writePemObject(org.bouncycastle.util.io.pem.PemObjectGenerator pemObject, Writer writer)

写出pem密钥（私钥、公钥、证书）

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- DEFAULT_KEY_SIZE
  
  public static final int DEFAULT_KEY_SIZE
  默认密钥字节数
  RSA/DSA Default Keysize 1024 Keysize must be a multiple of 64, ranging from 512 to 1024 (inclusive).
  See Also:
  
  Constant Field Values
- TYPE_JKS
  
  public static final String TYPE_JKS
  
  Java密钥库(Java Key Store，JKS)KEY_STORE
  See Also:
  
  Constant Field Values
- TYPE_JCEKS
  
  public static final String TYPE_JCEKS
  
  jceks
  See Also:
  
  Constant Field Values
- TYPE_PKCS12
  
  public static final String TYPE_PKCS12
  
  PKCS12是公钥加密标准，它规定了可包含所有私钥、公钥和证书。其以二进制格式存储，也称为 PFX 文件
  See Also:
  
  Constant Field Values
- TYPE_X509
  
  public static final String TYPE_X509
  
  Certification类型：X.509
  See Also:
  
  Constant Field Values
Constructor Details
- Keeper
  
  public Keeper()
Method Details
- generateKey
  
  public static SecretKey generateKey(String algorithm)
  
  生成 SecretKey，仅用于对称加密和摘要算法密钥生成
  
  Parameters:
  
  algorithm - 算法，支持PBE算法
  
  Returns:
  
  SecretKey
- generateKey
  
  public static SecretKey generateKey(String algorithm, int keySize)
  
  生成 SecretKey，仅用于对称加密和摘要算法密钥生成当指定keySize<0时，AES默认长度为128，其它算法不指定。
  
  Parameters:
  
  algorithm - 算法，支持PBE算法
  
  keySize - 密钥长度，<0表示不设定密钥长度，即使用默认长度
  
  Returns:
  
  SecretKey
- generateKey
  
  public static SecretKey generateKey(String algorithm, int keySize, SecureRandom random)
  
  生成 SecretKey，仅用于对称加密和摘要算法密钥生成当指定keySize<0时，AES默认长度为128，其它算法不指定。
  
  Parameters:
  
  algorithm - 算法，支持PBE算法
  
  keySize - 密钥长度，<0表示不设定密钥长度，即使用默认长度
  
  random - 随机数生成器，null表示默认
  
  Returns:
  
  SecretKey
- generateKey
  
  public static SecretKey generateKey(String algorithm, byte[] key)
  
  生成 SecretKey，仅用于对称加密和摘要算法密钥生成
  
  Parameters:
  
  algorithm - 算法
  
  key - 密钥，如果为null 自动生成随机密钥
  
  Returns:
  
  SecretKey
- generateDESKey
  
  public static SecretKey generateDESKey(String algorithm, byte[] key)
  
  生成 SecretKey
  
  Parameters:
  
  algorithm - DES算法，包括DES、DESede等
  
  key - 密钥
  
  Returns:
  
  SecretKey
- generatePBEKey
  
  public static SecretKey generatePBEKey(String algorithm, char[] password)
  
  生成PBE SecretKey
  
  Parameters:
  
  algorithm - PBE算法，包括：PBEWithMD5AndDES、PBEWithSHA1AndDESede、PBEWithSHA1AndRC2_40等
  
  password - 口令
  
  Returns:
  
  SecretKey
- generateKey
  
  public static SecretKey generateKey(String algorithm, KeySpec keySpec)
  
  生成 SecretKey，仅用于对称加密和摘要算法
  
  Parameters:
  
  algorithm - 算法
  
  keySpec - KeySpec
  
  Returns:
  
  SecretKey
- isEmpty
  
  public static boolean isEmpty(KeyPair keyPair)
  检查KeyPair 是否为空，空的条件是：
  
  keyPair本身为null
  
  KeyPair.getPrivate()和KeyPair.getPublic()都为null
  Parameters:
  
  keyPair - 密钥对
  
  Returns:
  
  是否为空
- generateRSAPrivateKey
  
  public static PrivateKey generateRSAPrivateKey(byte[] key)
  
  生成RSA私钥，仅用于非对称加密采用PKCS#8规范，此规范定义了私钥信息语法和加密私钥语法算法见：...
  
  Parameters:
  
  key - 密钥，必须为DER编码存储
  
  Returns:
  
  RSA私钥 PrivateKey
- generatePrivateKey
  
  public static PrivateKey generatePrivateKey(String algorithm, byte[] key)
  
  生成私钥，仅用于非对称加密采用PKCS#8规范，此规范定义了私钥信息语法和加密私钥语法算法见：...
  
  Parameters:
  
  algorithm - 算法，如RSA、EC、SM2等
  
  key - 密钥，PKCS#8格式
  
  Returns:
  
  私钥 PrivateKey
- generatePrivateKey
  
  public static PrivateKey generatePrivateKey(String algorithm, KeySpec keySpec)
  
  生成私钥，仅用于非对称加密算法见：...
  
  Parameters:
  
  algorithm - 算法，如RSA、EC、SM2等
  
  keySpec - KeySpec
  
  Returns:
  
  私钥 PrivateKey
- generatePrivateKey
  
  public static PrivateKey generatePrivateKey(KeyStore keyStore, String alias, char[] password)
  
  生成私钥，仅用于非对称加密
  
  Parameters:
  
  keyStore - KeyStore
  
  alias - 别名
  
  password - 密码
  
  Returns:
  
  私钥 PrivateKey
- generateRSAPublicKey
  
  public static PublicKey generateRSAPublicKey(byte[] key)
  
  生成RSA公钥，仅用于非对称加密采用X509证书规范算法见：...
  
  Parameters:
  
  key - 密钥，必须为DER编码存储
  
  Returns:
  
  公钥 PublicKey
- generatePublicKey
  
  public static PublicKey generatePublicKey(String algorithm, byte[] key)
  
  生成公钥，仅用于非对称加密采用X509证书规范算法见：...
  
  Parameters:
  
  algorithm - 算法
  
  key - 密钥，必须为DER编码存储
  
  Returns:
  
  公钥 PublicKey
- generatePublicKey
  
  public static PublicKey generatePublicKey(String algorithm, KeySpec keySpec)
  
  生成公钥，仅用于非对称加密算法见：...
  
  Parameters:
  
  algorithm - 算法
  
  keySpec - KeySpec
  
  Returns:
  
  公钥 PublicKey
- getRSAPublicKey
  
  public static PublicKey getRSAPublicKey(PrivateKey privateKey)
  
  通过RSA私钥生成RSA公钥
  
  Parameters:
  
  privateKey - RSA私钥
  
  Returns:
  
  RSA公钥，null表示私钥不被支持
- getRSAPublicKey
  
  public static PublicKey getRSAPublicKey(String modulus, String publicExponent)
  
  获得RSA公钥对象
  
  Parameters:
  
  modulus - Modulus
  
  publicExponent - Public Exponent
  
  Returns:
  
  公钥
- getRSAPublicKey
  
  public static PublicKey getRSAPublicKey(BigInteger modulus, BigInteger publicExponent)
  
  获得RSA公钥对象
  
  Parameters:
  
  modulus - Modulus
  
  publicExponent - Public Exponent
  
  Returns:
  
  公钥
- generateKeyPair
  
  public static KeyPair generateKeyPair(String algorithm)
  
  生成用于非对称加密的公钥和私钥，仅用于非对称加密密钥对生成算法见：...
  
  Parameters:
  
  algorithm - 非对称加密算法
  
  Returns:
  
  KeyPair
- generateKeyPair
  
  public static KeyPair generateKeyPair(String algorithm, int keySize)
  
  生成用于非对称加密的公钥和私钥密钥对生成算法见：...
  
  Parameters:
  
  algorithm - 非对称加密算法
  
  keySize - 密钥模（modulus ）长度
  
  Returns:
  
  KeyPair
- generateKeyPair
  
  public static KeyPair generateKeyPair(String algorithm, int keySize, byte[] seed)
  
  生成用于非对称加密的公钥和私钥密钥对生成算法见：...
  
  Parameters:
  
  algorithm - 非对称加密算法
  
  keySize - 密钥模（modulus ）长度
  
  seed - 种子
  
  Returns:
  
  KeyPair
- generateKeyPair
  
  public static KeyPair generateKeyPair(String algorithm, AlgorithmParameterSpec params)
  
  生成用于非对称加密的公钥和私钥密钥对生成算法见：...
  
  Parameters:
  
  algorithm - 非对称加密算法
  
  params - AlgorithmParameterSpec
  
  Returns:
  
  KeyPair
- generateKeyPair
  
  public static KeyPair generateKeyPair(String algorithm, byte[] seed, AlgorithmParameterSpec param)
  
  生成用于非对称加密的公钥和私钥密钥对生成算法见：...
  
  Parameters:
  
  algorithm - 非对称加密算法
  
  seed - 种子
  
  param - AlgorithmParameterSpec
  
  Returns:
  
  KeyPair
- generateKeyPair
  
  public static KeyPair generateKeyPair(String algorithm, int keySize, byte[] seed, AlgorithmParameterSpec... params)
  生成用于非对称加密的公钥和私钥密钥对生成算法见：...
  对于非对称加密算法，密钥长度有严格限制，具体如下：
  RSA：
  RS256、PS256：2048 bits RS384、PS384：3072 bits RS512、RS512：4096 bits
  
  EC（Elliptic Curve）：
  EC256：256 bits EC384：384 bits EC512：512 bits
  Parameters:
  
  algorithm - 非对称加密算法
  
  keySize - 密钥模（modulus ）长度（单位bit）
  
  seed - 种子
  
  params - AlgorithmParameterSpec
  
  Returns:
  
  KeyPair
- generateKeyPair
  
  public static KeyPair generateKeyPair(String algorithm, int keySize, SecureRandom random, AlgorithmParameterSpec... params)
  生成用于非对称加密的公钥和私钥密钥对生成算法见：...
  对于非对称加密算法，密钥长度有严格限制，具体如下：
  RSA：
  RS256、PS256：2048 bits RS384、PS384：3072 bits RS512、RS512：4096 bits
  
  EC（Elliptic Curve）：
  EC256：256 bits EC384：384 bits EC512：512 bits
  Parameters:
  
  algorithm - 非对称加密算法
  
  keySize - 密钥模（modulus ）长度（单位bit）
  
  random - SecureRandom 对象，创建时可选传入seed
  
  params - AlgorithmParameterSpec
  
  Returns:
  
  KeyPair
- getKeyPair
  
  public static KeyPair getKeyPair(String type, InputStream in, char[] password, String alias)
  
  从KeyStore中获取私钥公钥
  
  Parameters:
  
  type - 类型
  
  in - InputStream 如果想从文件读取.keystore文件，使用 FileKit.getInputStream(java.io.File) 读取
  
  password - 密码
  
  alias - 别名
  
  Returns:
  
  KeyPair
- getKeyPair
  
  public static KeyPair getKeyPair(KeyStore keyStore, char[] password, String alias)
  
  从KeyStore中获取私钥公钥
  
  Parameters:
  
  keyStore - KeyStore
  
  password - 密码
  
  alias - 别名
  
  Returns:
  
  KeyPair
- getKeyPairGenerator
  
  public static KeyPairGenerator getKeyPairGenerator(String algorithm)
  
  获取KeyPairGenerator
  
  Parameters:
  
  algorithm - 非对称加密算法
  
  Returns:
  
  KeyPairGenerator
- getKeyFactory
  
  public static KeyFactory getKeyFactory(String algorithm)
  
  获取KeyFactory
  
  Parameters:
  
  algorithm - 非对称加密算法
  
  Returns:
  
  KeyFactory
- getSecretKeyFactory
  
  public static SecretKeyFactory getSecretKeyFactory(String algorithm)
  
  获取SecretKeyFactory
  
  Parameters:
  
  algorithm - 对称加密算法
  
  Returns:
  
  KeyFactory
- getKeyGenerator
  
  public static KeyGenerator getKeyGenerator(String algorithm)
  
  获取KeyGenerator
  
  Parameters:
  
  algorithm - 对称加密算法
  
  Returns:
  
  KeyGenerator
- getMainAlgorithm
  
  public static String getMainAlgorithm(String algorithm)
  
  获取主体算法名，例如RSA/ECB/PKCS1Padding的主体算法是RSA
  
  Parameters:
  
  algorithm - XXXwithXXX算法
  
  Returns:
  
  主体算法名
- getAlgorithmAfterWith
  
  public static String getAlgorithmAfterWith(String algorithm)
  
  获取用于密钥生成的算法获取XXXwithXXX算法的后半部分算法，如果为ECDSA或SM2，返回算法为EC
  
  Parameters:
  
  algorithm - XXXwithXXX算法
  
  Returns:
  
  算法
- readPublicKeyFromCert
  
  public static PublicKey readPublicKeyFromCert(InputStream in)
  
  读取X.509 Certification文件中的公钥 Certification为证书文件 see: ...
  
  Parameters:
  
  in - InputStream 如果想从文件读取.cer文件，使用 FileKit.getInputStream(File) 读取
  
  Returns:
  
  KeyStore
- encodeECPublicKey
  
  public static byte[] encodeECPublicKey(PublicKey publicKey)
  
  编码压缩EC公钥（基于BouncyCastle）见：...
  
  Parameters:
  
  publicKey - PublicKey，必须为org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPublicKey
  
  Returns:
  
  压缩得到的X
- toBase64
  
  public static String toBase64(Key key)
  
  将密钥编码为Base64格式
  
  Parameters:
  
  key - 密钥
  
  Returns:
  
  Base64格式密钥
- readJKSKeyStore
  
  public static KeyStore readJKSKeyStore(File keyFile, char[] password)
  
  读取密钥库(Java Key Store，JKS) KeyStore文件 KeyStore文件用于数字证书的密钥对保存 see: ...
  
  Parameters:
  
  keyFile - 证书文件
  
  password - 密码
  
  Returns:
  
  KeyStore
- readJKSKeyStore
  
  public static KeyStore readJKSKeyStore(InputStream in, char[] password)
  
  读取密钥库(Java Key Store，JKS) KeyStore文件 KeyStore文件用于数字证书的密钥对保存 see: ...
  
  Parameters:
  
  in - InputStream 如果想从文件读取.keystore文件，使用 FileKit.getInputStream(File) 读取
  
  password - 密码
  
  Returns:
  
  KeyStore
- readPKCS12KeyStore
  
  public static KeyStore readPKCS12KeyStore(File keyFile, char[] password)
  
  读取PKCS12 KeyStore文件 KeyStore文件用于数字证书的密钥对保存
  
  Parameters:
  
  keyFile - 证书文件
  
  password - 密码
  
  Returns:
  
  KeyStore
- readPKCS12KeyStore
  
  public static KeyStore readPKCS12KeyStore(InputStream in, char[] password)
  
  读取PKCS12 KeyStore文件 KeyStore文件用于数字证书的密钥对保存
  
  Parameters:
  
  in - InputStream 如果想从文件读取.keystore文件，使用 FileKit.getInputStream(File) 读取
  
  password - 密码
  
  Returns:
  
  KeyStore
- readKeyStore
  
  public static KeyStore readKeyStore(String type, File keyFile, char[] password)
  
  读取KeyStore文件 KeyStore文件用于数字证书的密钥对保存 see: ...
  
  Parameters:
  
  type - 类型
  
  keyFile - 证书文件
  
  password - 密码，null表示无密码
  
  Returns:
  
  KeyStore
- readKeyStore
  
  public static KeyStore readKeyStore(String type, InputStream in, char[] password)
  
  读取KeyStore文件 KeyStore文件用于数字证书的密钥对保存 see: ...
  
  Parameters:
  
  type - 类型
  
  in - InputStream 如果想从文件读取.keystore文件，使用 FileKit.getInputStream(File) 读取
  
  password - 密码，null表示无密码
  
  Returns:
  
  KeyStore
- getKeyStore
  
  public static KeyStore getKeyStore(String type)
  
  获取KeyStore对象
  
  Parameters:
  
  type - 类型
  
  Returns:
  
  KeyStore
- readPemPrivateKey
  
  public static PrivateKey readPemPrivateKey(InputStream pemStream)
  
  读取PEM格式的私钥
  
  Parameters:
  
  pemStream - pem流
  
  Returns:
  
  PrivateKey
- readPemPublicKey
  
  public static PublicKey readPemPublicKey(InputStream pemStream)
  
  读取PEM格式的公钥
  
  Parameters:
  
  pemStream - pem流
  
  Returns:
  
  PublicKey
- readPemKey
  
  public static Key readPemKey(InputStream keyStream)
  
  从pem文件中读取公钥或私钥根据类型返回 PublicKey 或者 PrivateKey
  
  Parameters:
  
  keyStream - pem流
  
  Returns:
  
  Key，null表示无法识别的密钥类型
- readPem
  
  public static byte[] readPem(InputStream keyStream)
  
  从pem流中读取公钥或私钥
  
  Parameters:
  
  keyStream - pem流
  
  Returns:
  
  密钥bytes
- readPemObject
  
  public static org.bouncycastle.util.io.pem.PemObject readPemObject(InputStream keyStream)
  
  读取pem文件中的信息，包括类型、头信息和密钥内容
  
  Parameters:
  
  keyStream - pem流
  
  Returns:
  
  PemObject
- readPemObject
  
  public static org.bouncycastle.util.io.pem.PemObject readPemObject(Reader reader)
  
  读取pem文件中的信息，包括类型、头信息和密钥内容
  
  Parameters:
  
  reader - pem Reader
  
  Returns:
  
  PemObject
- toPem
  
  public static String toPem(String type, byte[] content)
  
  将私钥或公钥转换为PEM格式的字符串
  
  Parameters:
  
  type - 密钥类型（私钥、公钥、证书）
  
  content - 密钥内容
  
  Returns:
  
  PEM内容
- writePemObject
  
  public static void writePemObject(String type, byte[] content, OutputStream keyStream)
  
  写出pem密钥（私钥、公钥、证书）
  
  Parameters:
  
  type - 密钥类型（私钥、公钥、证书）
  
  content - 密钥内容，需为PKCS#1格式
  
  keyStream - pem流
- writePemObject
  
  public static void writePemObject(String type, byte[] content, Writer writer)
  
  写出pem密钥（私钥、公钥、证书）
  
  Parameters:
  
  type - 密钥类型（私钥、公钥、证书）
  
  content - 密钥内容，需为PKCS#1格式
  
  writer - pemWriter
- writePemObject
  
  public static void writePemObject(org.bouncycastle.util.io.pem.PemObjectGenerator pemObject, OutputStream keyStream)
  
  写出pem密钥（私钥、公钥、证书）
  
  Parameters:
  
  pemObject - pem对象，包括密钥和密钥类型等信息
  
  keyStream - pem流
- writePemObject
  
  public static void writePemObject(org.bouncycastle.util.io.pem.PemObjectGenerator pemObject, Writer writer)
  
  写出pem密钥（私钥、公钥、证书）
  
  Parameters:
  
  pemObject - pem对象，包括密钥和密钥类型等信息
  
  writer - pemWriter
- encodeECPrivateKey
  
  public static byte[] encodeECPrivateKey(PrivateKey privateKey)
  
  只获取私钥里的d，32位字节
  
  Parameters:
  
  privateKey - PublicKey，必须为org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPrivateKey
  
  Returns:
  
  压缩得到的X
- encodeECPublicKey
  
  public static byte[] encodeECPublicKey(PublicKey publicKey, boolean isCompressed)
  
  编码压缩EC公钥（基于BouncyCastle），即Q值见：https://www.cnblogs.com/xinzhao/p/8963724.html
  
  Parameters:
  
  publicKey - PublicKey，必须为org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPublicKey
  
  isCompressed - 是否压缩
  
  Returns:
  
  得到的Q
- decodeECPoint
  
  public static PublicKey decodeECPoint(String encode, String curveName)
  
  解码恢复EC压缩公钥,支持Base64和Hex编码,（基于BouncyCastle）见：https://www.cnblogs.com/xinzhao/p/8963724.html
  
  Parameters:
  
  encode - 压缩公钥
  
  curveName - EC曲线名
  
  Returns:
  
  公钥
- decodeECPoint
  
  public static PublicKey decodeECPoint(byte[] encodeByte, String curveName)
  
  解码恢复EC压缩公钥,支持Base64和Hex编码,（基于BouncyCastle）
  
  Parameters:
  
  encodeByte - 压缩公钥
  
  curveName - EC曲线名，例如Builder.SM2_DOMAIN_PARAMS
  
  Returns:
  
  公钥
- toParams
  
  public static org.bouncycastle.crypto.params.AsymmetricKeyParameter toParams(Key key)
  
  密钥转换为AsymmetricKeyParameter
  
  Parameters:
  
  key - PrivateKey或者PublicKey
  
  Returns:
  
  ECPrivateKeyParameters或者ECPublicKeyParameters
- getPublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters getPublicParams(org.bouncycastle.crypto.params.ECPrivateKeyParameters privateKeyParameters)
  
  根据私钥参数获取公钥参数
  
  Parameters:
  
  privateKeyParameters - 私钥参数
  
  Returns:
  
  公钥参数
- toSm2PublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toSm2PublicParams(byte[] q)
  
  转换为 ECPublicKeyParameters
  
  Parameters:
  
  q - 公钥Q值
  
  Returns:
  
  ECPublicKeyParameters
- toSm2PublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toSm2PublicParams(String q)
  
  转换为 ECPublicKeyParameters
  
  Parameters:
  
  q - 公钥Q值
  
  Returns:
  
  ECPublicKeyParameters
- toSm2PublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toSm2PublicParams(String x, String y)
  
  转换为SM2的ECPublicKeyParameters
  
  Parameters:
  
  x - 公钥X
  
  y - 公钥Y
  
  Returns:
  
  ECPublicKeyParameters
- toSm2PublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toSm2PublicParams(byte[] xBytes, byte[] yBytes)
  
  转换为SM2的ECPublicKeyParameters
  
  Parameters:
  
  xBytes - 公钥X
  
  yBytes - 公钥Y
  
  Returns:
  
  ECPublicKeyParameters
- toPublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(String x, String y, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)
  
  转换为ECPublicKeyParameters
  
  Parameters:
  
  x - 公钥X
  
  y - 公钥Y
  
  domainParameters - ECDomainParameters
  
  Returns:
  
  ECPublicKeyParameters，x或y为null则返回null
- toPublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(byte[] xBytes, byte[] yBytes, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)
  
  转换为ECPublicKeyParameters
  
  Parameters:
  
  xBytes - 公钥X
  
  yBytes - 公钥Y
  
  domainParameters - ECDomainParameters曲线参数
  
  Returns:
  
  ECPublicKeyParameters
- toPublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(BigInteger x, BigInteger y, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)
  
  转换为ECPublicKeyParameters
  
  Parameters:
  
  x - 公钥X
  
  y - 公钥Y
  
  domainParameters - ECDomainParameters
  
  Returns:
  
  ECPublicKeyParameters
- toPublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(String pointEncoded, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)
  
  转换为ECPublicKeyParameters
  
  Parameters:
  
  pointEncoded - 被编码的曲线坐标点
  
  domainParameters - ECDomainParameters
  
  Returns:
  
  ECPublicKeyParameters
- toPublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(byte[] pointEncoded, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)
  
  转换为ECPublicKeyParameters
  
  Parameters:
  
  pointEncoded - 被编码的曲线坐标点
  
  domainParameters - ECDomainParameters
  
  Returns:
  
  ECPublicKeyParameters
- toPublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(org.bouncycastle.math.ec.ECPoint point, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)
  
  转换为ECPublicKeyParameters
  
  Parameters:
  
  point - 曲线坐标点
  
  domainParameters - ECDomainParameters
  
  Returns:
  
  ECPublicKeyParameters
- toPublicParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(PublicKey publicKey)
  
  公钥转换为 ECPublicKeyParameters
  
  Parameters:
  
  publicKey - 公钥，传入null返回null
  
  Returns:
  
  ECPublicKeyParameters或null
- toSm2PrivateParams
  
  public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toSm2PrivateParams(String d)
  
  转换为 ECPrivateKeyParameters
  
  Parameters:
  
  d - 私钥d值16进制字符串
  
  Returns:
  
  ECPrivateKeyParameters
- toSm2PrivateParams
  
  public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toSm2PrivateParams(byte[] d)
  
  转换为 ECPrivateKeyParameters
  
  Parameters:
  
  d - 私钥d值
  
  Returns:
  
  ECPrivateKeyParameters
- toSm2PrivateParams
  
  public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toSm2PrivateParams(BigInteger d)
  
  转换为 ECPrivateKeyParameters
  
  Parameters:
  
  d - 私钥d值
  
  Returns:
  
  ECPrivateKeyParameters
- toPrivateParams
  
  public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toPrivateParams(String d, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)
  
  转换为 ECPrivateKeyParameters
  
  Parameters:
  
  d - 私钥d值16进制字符串
  
  domainParameters - ECDomainParameters
  
  Returns:
  
  ECPrivateKeyParameters
- toPrivateParams
  
  public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toPrivateParams(byte[] d, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)
  
  转换为 ECPrivateKeyParameters
  
  Parameters:
  
  d - 私钥d值
  
  domainParameters - ECDomainParameters
  
  Returns:
  
  ECPrivateKeyParameters
- toPrivateParams
  
  public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toPrivateParams(BigInteger d, org.bouncycastle.crypto.params.ECDomainParameters domainParameters)
  
  转换为 ECPrivateKeyParameters
  
  Parameters:
  
  d - 私钥d值
  
  domainParameters - ECDomainParameters
  
  Returns:
  
  ECPrivateKeyParameters
- toPrivateParams
  
  public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toPrivateParams(PrivateKey privateKey)
  
  私钥转换为 ECPrivateKeyParameters
  
  Parameters:
  
  privateKey - 私钥，传入null返回null
  
  Returns:
  
  ECPrivateKeyParameters或null
- toSm2PrivateKey
  
  public static PrivateKey toSm2PrivateKey(org.bouncycastle.asn1.sec.ECPrivateKey privateKey)
  
  将SM2算法的ECPrivateKey 转换为 PrivateKey
  
  Parameters:
  
  privateKey - ECPrivateKey
  
  Returns:
  
  PrivateKey
- createOpenSSHPrivateKeySpec
  
  public static KeySpec createOpenSSHPrivateKeySpec(byte[] key)
  
  创建OpenSSHPrivateKeySpec
  
  Parameters:
  
  key - 私钥，需为PKCS#1格式
  
  Returns:
  
  OpenSSHPrivateKeySpec
- createOpenSSHPublicKeySpec
  
  public static KeySpec createOpenSSHPublicKeySpec(byte[] key)
  
  创建OpenSSHPublicKeySpec
  
  Parameters:
  
  key - 公钥，需为PKCS#1格式
  
  Returns:
  
  OpenSSHPublicKeySpec
- decodePrivateKeyParams
  
  public static org.bouncycastle.crypto.params.ECPrivateKeyParameters decodePrivateKeyParams(byte[] privateKeyBytes)
  尝试解析转换各种类型私钥为ECPrivateKeyParameters，支持包括：
  
  D值
  
  PKCS#8
  
  PKCS#1
  Parameters:
  
  privateKeyBytes - 私钥
  
  Returns:
  
  ECPrivateKeyParameters
- decodePublicKeyParams
  
  public static org.bouncycastle.crypto.params.ECPublicKeyParameters decodePublicKeyParams(byte[] publicKeyBytes)
  尝试解析转换各种类型公钥为ECPublicKeyParameters，支持包括：
  
  Q值
  
  X.509
  
  PKCS#1
  Parameters:
  
  publicKeyBytes - 公钥
  
  Returns:
  
  ECPublicKeyParameters
- readX509Certificate
  
  public static Certificate readX509Certificate(InputStream in)
  
  读取X.509 Certification文件 Certification为证书文件 see: ...
  
  Parameters:
  
  in - InputStream 如果想从文件读取.cer文件，使用 FileKit.getInputStream(File) 读取
  
  Returns:
  
  KeyStore
- readX509Certificate
  
  public static Certificate readX509Certificate(InputStream in, char[] password, String alias)
  
  读取X.509 Certification文件 Certification为证书文件 see: ...
  
  Parameters:
  
  in - InputStream 如果想从文件读取.cer文件，使用 FileKit.getInputStream(File) 读取
  
  password - 密码
  
  alias - 别名
  
  Returns:
  
  KeyStore
- readCertificate
  
  public static Certificate readCertificate(String type, InputStream in, char[] password, String alias)
  
  读取Certification文件 Certification为证书文件 see: ...
  
  Parameters:
  
  type - 类型，例如X.509
  
  in - InputStream 如果想从文件读取.cer文件，使用 FileKit.getInputStream(File) 读取
  
  password - 密码
  
  alias - 别名
  
  Returns:
  
  KeyStore
- readCertificate
  
  public static Certificate readCertificate(String type, InputStream in)
  
  读取Certification文件 Certification为证书文件 see: ...
  
  Parameters:
  
  type - 类型，例如X.509
  
  in - InputStream 如果想从文件读取.cer文件，使用 FileKit.getInputStream(File) 读取
  
  Returns:
  
  Certificate
- getCertificate
  
  public static Certificate getCertificate(KeyStore keyStore, String alias)
  
  获得 Certification
  
  Parameters:
  
  keyStore - KeyStore
  
  alias - 别名
  
  Returns:
  
  Certificate
- getCertificateFactory
  
  public static CertificateFactory getCertificateFactory(String type)
  
  获取CertificateFactory
  
  Parameters:
  
  type - 类型，例如X.509
  
  Returns:
  
  KeyPairGenerator

Class Keeper

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Details

DEFAULT_KEY_SIZE

TYPE_JKS

TYPE_JCEKS

TYPE_PKCS12

TYPE_X509

Constructor Details

Keeper

Method Details

generateKey

generateKey

generateKey

generateKey

generateDESKey

generatePBEKey

generateKey

isEmpty

generateRSAPrivateKey

generatePrivateKey

generatePrivateKey

generatePrivateKey

generateRSAPublicKey

generatePublicKey

generatePublicKey

getRSAPublicKey

getRSAPublicKey

getRSAPublicKey

generateKeyPair

generateKeyPair

generateKeyPair

generateKeyPair

generateKeyPair

generateKeyPair

generateKeyPair

getKeyPair

getKeyPair

getKeyPairGenerator

getKeyFactory

getSecretKeyFactory

getKeyGenerator

getMainAlgorithm

getAlgorithmAfterWith

readPublicKeyFromCert

encodeECPublicKey

toBase64

readJKSKeyStore

readJKSKeyStore

readPKCS12KeyStore

readPKCS12KeyStore

readKeyStore

readKeyStore

getKeyStore

readPemPrivateKey

readPemPublicKey

readPemKey

readPem

readPemObject

readPemObject

toPem

writePemObject

writePemObject

writePemObject

writePemObject

encodeECPrivateKey

encodeECPublicKey

decodeECPoint

decodeECPoint

toParams

getPublicParams

toSm2PublicParams

toSm2PublicParams

toSm2PublicParams

toSm2PublicParams

toPublicParams

toPublicParams