程序包 com.codingapi.springboot.framework.crypto

类 RSA

java.lang.Object

com.codingapi.springboot.framework.crypto.RSA

public class RSA
extends Object

字段概要

字段

修饰符和类型	字段	说明
static final String	KEY_ALGORITHM

构造器概要

构造器

构造器	说明
RSA()
RSA(byte[] publicKey)
RSA(byte[] privateKey, byte[] publicKey)
RSA(KeyPair keyPair)
RSA(PrivateKey privateKey, PublicKey publicKey)

方法概要

修饰符和类型	方法	说明
byte[]	decrypt(byte[] text)	Decrypt text using private key
byte[]	encrypt(byte[] text)	Encrypt a text using public key.
KeyPair	generateKey()	Generate key which contains a pair of privae and public key using 2048 bytes
byte[]	getPrivateKey()
byte[]	getPublicKey()

从类继承的方法 java.lang.Object

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

字段详细资料

KEY_ALGORITHM

public static final String KEY_ALGORITHM

另请参阅:

• 常量字段值

构造器详细资料

RSA

public RSA()
    throws NoSuchAlgorithmException

抛出:

NoSuchAlgorithmException

RSA

public RSA(KeyPair keyPair)

RSA

public RSA(PrivateKey privateKey,
 PublicKey publicKey)

RSA

public RSA(byte[] privateKey,
 byte[] publicKey)
    throws Exception

抛出:

Exception

RSA

public RSA(byte[] publicKey)
    throws Exception

抛出:

Exception

方法详细资料

generateKey

public KeyPair generateKey()
                    throws NoSuchAlgorithmException

Generate key which contains a pair of privae and public key using 2048 bytes

返回:

key pair

抛出:

NoSuchAlgorithmException

getPrivateKey

public byte[] getPrivateKey()

getPublicKey

public byte[] getPublicKey()

encrypt

public byte[] encrypt(byte[] text)
               throws Exception

Encrypt a text using public key.

参数:

text - The original unencrypted text

返回:

Encrypted text

抛出:

Exception

decrypt

public byte[] decrypt(byte[] text)
               throws Exception

Decrypt text using private key

参数:

text - The encrypted text

返回:

The unencrypted text

抛出:

Exception