com.github.azbh111.utils.java.rsa

类 RSAUtils

java.lang.Object

com.github.azbh111.utils.java.rsa.RSAUtils

public class RSAUtils
extends java.lang.Object

封装rsa 加密/解密/签名/验证签名 等操作

构造器概要

构造器

构造器和说明
RSAUtils()

方法概要

限定符和类型	方法和说明
static RSAPair	create(RSASignMethodEnum signMethod, int keySize) 为null时无法进行签名
static RSAPair	create(RSASignMethodEnum signMethod, java.security.PublicKey publicKey, java.security.PrivateKey privateKey)
static RSAPair	create(RSASignMethodEnum signMethod, java.lang.String publicKeyHex, java.lang.String privateKeyHex) 为null时无法进行签名
static java.security.PrivateKey	createPrivateKey(byte[] privateKeyBytes) 创建私钥
static java.security.PublicKey	createPublicKey(byte[] publicKeyBytes) 创建公钥
static byte[]	dencrypt(java.security.Key key, byte[] data) 1.
static byte[]	encrypt(java.security.Key key, byte[] data) 加密
static byte[]	privateDencrypt(byte[] privatKeyBytes, byte[] data) 私钥解密
static byte[]	privateEncrypt(byte[] privatKeyBytes, byte[] data) 私钥加密
static byte[]	publicDencrypt(byte[] publicKeyBytes, byte[] data) 公钥解密
static byte[]	publicEncrypt(byte[] publicKeyBytes, byte[] data) 公钥加密
static byte[]	sign(RSASignMethodEnum signMethod, byte[] privateKeyBytes, byte[] data) 私钥签名
static byte[]	sign(RSASignMethodEnum signMethod, java.security.PrivateKey privateKey, byte[] data) 私钥签名
static boolean	verifySign(RSASignMethodEnum signMethod, byte[] publicKeyBytes, byte[] data, byte[] sign) 公钥验证签名
static boolean	verifySign(RSASignMethodEnum signMethod, java.security.PublicKey publicKey, byte[] data, byte[] sign) 公钥验证签名

从类继承的方法 java.lang.Object

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

构造器详细资料

RSAUtils

public RSAUtils()

方法详细资料

create

public static RSAPair create(@Nullable
                             RSASignMethodEnum signMethod,
                             int keySize)
                      throws java.security.NoSuchAlgorithmException

为null时无法进行签名

参数:

signMethod -

返回:

抛出:

java.security.NoSuchAlgorithmException

create

public static RSAPair create(@Nullable
                             RSASignMethodEnum signMethod,
                             @Nonnull
                             java.lang.String publicKeyHex,
                             @Nonnull
                             java.lang.String privateKeyHex)
                      throws java.security.spec.InvalidKeySpecException,
                             java.security.NoSuchAlgorithmException

为null时无法进行签名

参数:

signMethod -

publicKeyHex -

privateKeyHex -

返回:

抛出:

java.security.spec.InvalidKeySpecException

java.security.NoSuchAlgorithmException

create

public static RSAPair create(@Nullable
                             RSASignMethodEnum signMethod,
                             @Nonnull
                             java.security.PublicKey publicKey,
                             @Nonnull
                             java.security.PrivateKey privateKey)

参数:

signMethod - 为null时，无法进行签名

publicKey -

privateKey -

返回:

抛出:

java.security.spec.InvalidKeySpecException

java.security.NoSuchAlgorithmException

createPrivateKey

public static java.security.PrivateKey createPrivateKey(@Nonnull
                                                        byte[] privateKeyBytes)
                                                 throws java.security.NoSuchAlgorithmException,
                                                        java.security.spec.InvalidKeySpecException

创建私钥

参数:

privateKeyBytes -

返回:

抛出:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException

createPublicKey

public static java.security.PublicKey createPublicKey(@Nonnull
                                                      byte[] publicKeyBytes)
                                               throws java.security.NoSuchAlgorithmException,
                                                      java.security.spec.InvalidKeySpecException

创建公钥

参数:

publicKeyBytes -

返回:

抛出:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException

publicEncrypt

public static byte[] publicEncrypt(@Nonnull
                                   byte[] publicKeyBytes,
                                   @Nonnull
                                   byte[] data)
                            throws java.security.NoSuchAlgorithmException,
                                   javax.crypto.NoSuchPaddingException,
                                   java.security.InvalidKeyException,
                                   javax.crypto.BadPaddingException,
                                   javax.crypto.IllegalBlockSizeException,
                                   java.security.spec.InvalidKeySpecException

公钥加密

参数:

publicKeyBytes - 公钥

data - 明文

返回:

抛出:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

java.security.InvalidKeyException

javax.crypto.BadPaddingException

javax.crypto.IllegalBlockSizeException

java.security.spec.InvalidKeySpecException

privateEncrypt

public static byte[] privateEncrypt(@Nonnull
                                    byte[] privatKeyBytes,
                                    @Nonnull
                                    byte[] data)
                             throws java.security.NoSuchAlgorithmException,
                                    javax.crypto.NoSuchPaddingException,
                                    java.security.InvalidKeyException,
                                    javax.crypto.BadPaddingException,
                                    javax.crypto.IllegalBlockSizeException,
                                    java.security.spec.InvalidKeySpecException

私钥加密

参数:

privatKeyBytes - 私钥

data - 明文

返回:

抛出:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

java.security.InvalidKeyException

javax.crypto.BadPaddingException

javax.crypto.IllegalBlockSizeException

java.security.spec.InvalidKeySpecException

publicDencrypt

public static byte[] publicDencrypt(@Nonnull
                                    byte[] publicKeyBytes,
                                    @Nonnull
                                    byte[] data)
                             throws java.security.NoSuchAlgorithmException,
                                    javax.crypto.NoSuchPaddingException,
                                    java.security.InvalidKeyException,
                                    javax.crypto.BadPaddingException,
                                    javax.crypto.IllegalBlockSizeException,
                                    java.security.spec.InvalidKeySpecException

公钥解密

参数:

publicKeyBytes - 公钥

data - 密文

返回:

抛出:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

java.security.InvalidKeyException

javax.crypto.BadPaddingException

javax.crypto.IllegalBlockSizeException

java.security.spec.InvalidKeySpecException

privateDencrypt

public static byte[] privateDencrypt(@Nonnull
                                     byte[] privatKeyBytes,
                                     @Nonnull
                                     byte[] data)
                              throws java.security.NoSuchAlgorithmException,
                                     javax.crypto.NoSuchPaddingException,
                                     java.security.InvalidKeyException,
                                     javax.crypto.BadPaddingException,
                                     javax.crypto.IllegalBlockSizeException,
                                     java.security.spec.InvalidKeySpecException

私钥解密

参数:

privatKeyBytes - 私钥

data - 密文

返回:

抛出:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

java.security.InvalidKeyException

javax.crypto.BadPaddingException

javax.crypto.IllegalBlockSizeException

java.security.spec.InvalidKeySpecException

encrypt

public static byte[] encrypt(@Nonnull
                             java.security.Key key,
                             @Nonnull
                             byte[] data)
                      throws java.security.NoSuchAlgorithmException,
                             javax.crypto.NoSuchPaddingException,
                             java.security.InvalidKeyException,
                             javax.crypto.BadPaddingException,
                             javax.crypto.IllegalBlockSizeException

加密

参数:

key - 密钥

data - 密文

返回:

抛出:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

java.security.InvalidKeyException

javax.crypto.BadPaddingException

javax.crypto.IllegalBlockSizeException

java.security.spec.InvalidKeySpecException

dencrypt

public static byte[] dencrypt(@Nonnull
                              java.security.Key key,
                              @Nonnull
                              byte[] data)
                       throws java.security.NoSuchAlgorithmException,
                              javax.crypto.NoSuchPaddingException,
                              java.security.InvalidKeyException,
                              javax.crypto.BadPaddingException,
                              javax.crypto.IllegalBlockSizeException

1. 使用公钥对私钥加密的数据进行解密 2. 使用私钥对公钥加密的数据进行解密

参数:

key - 密钥

data - 密文

返回:

抛出:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

java.security.InvalidKeyException

javax.crypto.BadPaddingException

javax.crypto.IllegalBlockSizeException

java.security.spec.InvalidKeySpecException

sign

public static byte[] sign(@Nonnull
                          RSASignMethodEnum signMethod,
                          @Nonnull
                          byte[] privateKeyBytes,
                          @Nonnull
                          byte[] data)
                   throws java.security.NoSuchAlgorithmException,
                          java.security.InvalidKeyException,
                          java.security.SignatureException,
                          java.security.spec.InvalidKeySpecException

私钥签名

参数:

signMethod - 签名方法

privateKeyBytes - 私钥

data - 明文

返回:

抛出:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

java.security.SignatureException

java.security.spec.InvalidKeySpecException

sign

public static byte[] sign(@Nonnull
                          RSASignMethodEnum signMethod,
                          @Nonnull
                          java.security.PrivateKey privateKey,
                          @Nonnull
                          byte[] data)
                   throws java.security.NoSuchAlgorithmException,
                          java.security.InvalidKeyException,
                          java.security.SignatureException

私钥签名

参数:

signMethod - 签名方法

privateKeyBytes - 私钥

data - 明文

返回:

抛出:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

java.security.SignatureException

java.security.spec.InvalidKeySpecException

verifySign

public static boolean verifySign(@Nonnull
                                 RSASignMethodEnum signMethod,
                                 @Nonnull
                                 byte[] publicKeyBytes,
                                 @Nonnull
                                 byte[] data,
                                 @Nonnull
                                 byte[] sign)
                          throws java.security.NoSuchAlgorithmException,
                                 java.security.InvalidKeyException,
                                 java.security.SignatureException,
                                 java.security.spec.InvalidKeySpecException

公钥验证签名

参数:

signMethod - 签名方法

publicKeyBytes - 公钥

data - 明文

sign - 签名

返回:

抛出:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

java.security.SignatureException

java.security.spec.InvalidKeySpecException

verifySign

public static boolean verifySign(@Nonnull
                                 RSASignMethodEnum signMethod,
                                 @Nonnull
                                 java.security.PublicKey publicKey,
                                 @Nonnull
                                 byte[] data,
                                 @Nonnull
                                 byte[] sign)
                          throws java.security.NoSuchAlgorithmException,
                                 java.security.InvalidKeyException,
                                 java.security.SignatureException

公钥验证签名

参数:

signMethod - 签名方法

publicKeyBytes - 公钥

data - 明文

sign - 签名

返回:

抛出:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

java.security.SignatureException

java.security.spec.InvalidKeySpecException