cn.pengh.crypt.asymmetric

类 AbstractAsymmetricEncryptor

java.lang.Object

cn.pengh.crypt.asymmetric.AbstractAsymmetricEncryptor

所有已实现的接口:

IAsymmetricEncryptor

直接已知子类:

SHA1WithRSA

public abstract class AbstractAsymmetricEncryptor
extends java.lang.Object
implements IAsymmetricEncryptor

字段概要

从接口继承的字段 cn.pengh.crypt.asymmetric.IAsymmetricEncryptor

CHARSET

构造器概要

构造器

构造器和说明
AbstractAsymmetricEncryptor()

方法概要

限定符和类型	方法和说明
static byte[]	base64Decode(byte[] src)
static byte[]	base64Encode(byte[] data)
java.lang.String	decrypt(java.lang.String cipherText, java.lang.String privateKey, java.lang.String charset) 私钥 非对称解密
protected java.lang.String	decryptIt(java.lang.String cipherText, java.lang.String privateKey, java.lang.String charset)
java.lang.String	encrypt(java.lang.String plainText, java.lang.String publicKey, java.lang.String charset) 公钥 非对称加密
protected java.lang.String	encryptIt(java.lang.String plainText, java.lang.String publicKey, java.lang.String charset)
static java.lang.String[]	genRsaPriAndPubKey()
static java.lang.String[]	genRsaPriAndPubKey(int keySize) 空密码的公私玥
protected abstract java.lang.String	getAsymmetricAlgorithm()
protected abstract java.lang.String	getAsymmetricType()
protected abstract int	getMaxDecryptBlockSize()
protected abstract int	getMaxEncryptBlockSize()
protected static java.security.spec.PKCS8EncodedKeySpec	getPKCS8PrivateKey(byte[] priKey)
protected javax.crypto.Cipher	getPriCipher(java.security.PrivateKey priKey)
static java.security.PrivateKey	getPrivateKeyFromPKCS8(java.lang.String algorithm, byte[] priKey)
protected javax.crypto.Cipher	getPubCipher(java.security.PublicKey pubKey)
static java.security.PublicKey	getPublicKeyFromX509(java.lang.String algorithm, byte[] pubKey)
protected abstract java.lang.String	getSignType()
protected static java.security.spec.X509EncodedKeySpec	getX509PublicKey(byte[] pubKey)
java.lang.String	sign(java.lang.String message, java.lang.String privateKey, java.lang.String charset) 私钥 签名
protected java.lang.String	signIt(java.lang.String message, java.lang.String privateKey, java.lang.String charset)
boolean	verify(java.lang.String message, java.lang.String publicKey, java.lang.String sign, java.lang.String charset) 公钥 验证签名
protected boolean	verifyIt(java.lang.String message, java.lang.String publicKey, java.lang.String sign, java.lang.String charset)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 cn.pengh.crypt.asymmetric.IAsymmetricEncryptor

decrypt, encrypt, sign, verify

构造器详细资料

AbstractAsymmetricEncryptor

public AbstractAsymmetricEncryptor()

方法详细资料

getSignType

protected abstract java.lang.String getSignType()

getAsymmetricType

protected abstract java.lang.String getAsymmetricType()

getAsymmetricAlgorithm

protected abstract java.lang.String getAsymmetricAlgorithm()

getMaxDecryptBlockSize

protected abstract int getMaxDecryptBlockSize()

getMaxEncryptBlockSize

protected abstract int getMaxEncryptBlockSize()

encrypt

public java.lang.String encrypt(java.lang.String plainText,
                                java.lang.String publicKey,
                                java.lang.String charset)

从接口复制的说明: IAsymmetricEncryptor

公钥 非对称加密

指定者:

encrypt 在接口中 IAsymmetricEncryptor

返回:

base64加密后的字符串，不换行

decrypt

public java.lang.String decrypt(java.lang.String cipherText,
                                java.lang.String privateKey,
                                java.lang.String charset)

从接口复制的说明: IAsymmetricEncryptor

私钥 非对称解密

指定者:

decrypt 在接口中 IAsymmetricEncryptor

参数:

cipherText - base64加密后的字符串，不换行

返回:

sign

public java.lang.String sign(java.lang.String message,
                             java.lang.String privateKey,
                             java.lang.String charset)

从接口复制的说明: IAsymmetricEncryptor

私钥 签名

指定者:

sign 在接口中 IAsymmetricEncryptor

返回:

verify

public boolean verify(java.lang.String message,
                      java.lang.String publicKey,
                      java.lang.String sign,
                      java.lang.String charset)

从接口复制的说明: IAsymmetricEncryptor

公钥 验证签名

指定者:

verify 在接口中 IAsymmetricEncryptor

返回:

encryptIt

protected java.lang.String encryptIt(java.lang.String plainText,
                                     java.lang.String publicKey,
                                     java.lang.String charset)
                              throws java.lang.Exception

抛出:

java.lang.Exception

decryptIt

protected java.lang.String decryptIt(java.lang.String cipherText,
                                     java.lang.String privateKey,
                                     java.lang.String charset)
                              throws java.lang.Exception

抛出:

java.lang.Exception

getPubCipher

protected javax.crypto.Cipher getPubCipher(java.security.PublicKey pubKey)
                                    throws java.lang.Exception

抛出:

java.lang.Exception

getPriCipher

protected javax.crypto.Cipher getPriCipher(java.security.PrivateKey priKey)
                                    throws java.lang.Exception

抛出:

java.lang.Exception

signIt

protected java.lang.String signIt(java.lang.String message,
                                  java.lang.String privateKey,
                                  java.lang.String charset)
                           throws java.lang.Exception

抛出:

java.lang.Exception

verifyIt

protected boolean verifyIt(java.lang.String message,
                           java.lang.String publicKey,
                           java.lang.String sign,
                           java.lang.String charset)
                    throws java.lang.Exception

抛出:

java.lang.Exception

getPrivateKeyFromPKCS8

public static java.security.PrivateKey getPrivateKeyFromPKCS8(java.lang.String algorithm,
                                                              byte[] priKey)
                                                       throws java.lang.Exception

抛出:

java.lang.Exception

getPKCS8PrivateKey

protected static java.security.spec.PKCS8EncodedKeySpec getPKCS8PrivateKey(byte[] priKey)

getPublicKeyFromX509

public static java.security.PublicKey getPublicKeyFromX509(java.lang.String algorithm,
                                                           byte[] pubKey)
                                                    throws java.lang.Exception

抛出:

java.lang.Exception

getX509PublicKey

protected static java.security.spec.X509EncodedKeySpec getX509PublicKey(byte[] pubKey)

base64Encode

public static byte[] base64Encode(byte[] data)

base64Decode

public static byte[] base64Decode(byte[] src)

genRsaPriAndPubKey

public static final java.lang.String[] genRsaPriAndPubKey()

genRsaPriAndPubKey

public static final java.lang.String[] genRsaPriAndPubKey(int keySize)

空密码的公私玥

参数:

keySize - 2048, 4096...

返回:

[priKey,pubKey]