com.jn.langx.security

类 Ciphers

java.lang.Object

com.jn.langx.security.Ciphers

public class Ciphers
extends Object

https://docs.oracle.com/javase/8/docs/technotes/guides/security/StandardNames.html#Cipher

构造器概要

构造器

构造器和说明
Ciphers()

方法概要

限定符和类型	方法和说明
static String	createAlgorithmTransformation(String transformation) https://docs.oracle.com/javase/8/docs/technotes/guides/security/crypto/CryptoSpec.html#trans transformation 有两种形式： 1) 只有algorithm name 2) 由3部分构成：{algorithm name}/{mode}/padding
static String	createAlgorithmTransformation(String algorithm, String mode, String padding)
static Cipher	createCipher(String algorithmTransformation, Provider provider, int operateMode, Certificate certificate, SecureRandom secureRandom)
static Cipher	createCipher(String algorithmTransformation, Provider provider, int operateMode, Key key, AlgorithmParameterSpec parameterSpec, SecureRandom secureRandom)
static Cipher	createCipher(String algorithmTransformation, Provider provider, int operateMode, Key key, AlgorithmParameters parameters, SecureRandom secureRandom)
static Cipher	createCipher(String algorithmTransformation, Provider provider, int operateMode, Key key, SecureRandom secureRandom)
static Cipher	createEmptyCipher(String algorithmTransformation, Provider provider)
static byte[]	decrypt(Cipher cipher, byte[] data)
static byte[]	encrypt(Cipher cipher, byte[] data)

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

Ciphers

public Ciphers()

方法详细资料

createEmptyCipher

public static Cipher createEmptyCipher(@NonNull
                                       String algorithmTransformation,
                                       @Nullable
                                       Provider provider)

createCipher

public static Cipher createCipher(@NonNull
                                  String algorithmTransformation,
                                  @Nullable
                                  Provider provider,
                                  int operateMode,
                                  Key key,
                                  SecureRandom secureRandom)

createCipher

public static Cipher createCipher(@NonNull
                                  String algorithmTransformation,
                                  @Nullable
                                  Provider provider,
                                  int operateMode,
                                  Key key,
                                  @Nullable
                                  AlgorithmParameterSpec parameterSpec,
                                  SecureRandom secureRandom)

createCipher

public static Cipher createCipher(@NonNull
                                  String algorithmTransformation,
                                  @Nullable
                                  Provider provider,
                                  int operateMode,
                                  Key key,
                                  @Nullable
                                  AlgorithmParameters parameters,
                                  SecureRandom secureRandom)

createCipher

public static Cipher createCipher(@NonNull
                                  String algorithmTransformation,
                                  @Nullable
                                  Provider provider,
                                  int operateMode,
                                  Certificate certificate,
                                  SecureRandom secureRandom)

encrypt

public static byte[] encrypt(Cipher cipher,
                             byte[] data)

decrypt

public static byte[] decrypt(Cipher cipher,
                             byte[] data)

createAlgorithmTransformation

public static String createAlgorithmTransformation(String transformation)

https://docs.oracle.com/javase/8/docs/technotes/guides/security/crypto/CryptoSpec.html#trans

transformation 有两种形式：

    1) 只有algorithm name
    2) 由3部分构成：{algorithm name}/{mode}/padding
 

createAlgorithmTransformation

public static String createAlgorithmTransformation(@NotEmpty
                                                   String algorithm,
                                                   @NotEmpty
                                                   String mode,
                                                   @NotEmpty
                                                   String padding)