com.jn.langx.security.crypto.cipher

类 Ciphers

java.lang.Object

com.jn.langx.security.Securitys

com.jn.langx.security.crypto.cipher.Ciphers

直接已知子类:

Asymmetrics, Symmetrics

public class Ciphers
extends Securitys

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

构造器概要

构造器

限定符	构造器和说明
protected	Ciphers()

方法概要

限定符和类型	方法和说明
static void	addDefaultTransformation(String algorithm, String transformation)
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) 如果在初始化 Cipher过程中，出现了java.security.InvalidKeyException: Illegal key size 可以找到 ${JDK_HOME}/jre/lib/security/java.security, 将 crypto.policy 设置为 unlimited
static Cipher	createCipher(String algorithmTransformation, Provider provider, int operateMode, Key key, AlgorithmParameters parameters, SecureRandom secureRandom) 如果在初始化 Cipher过程中，出现了java.security.InvalidKeyException: Illegal key size 可以找到 ${JDK_HOME}/jre/lib/security/java.security, 将 crypto.policy 设置为 unlimited
static Cipher	createCipher(String algorithmTransformation, Provider provider, int operateMode, Key key, SecureRandom secureRandom) 如果在初始化 Cipher过程中，出现了java.security.InvalidKeyException: Illegal key size 可以找到 ${JDK_HOME}/jre/lib/security/java.security, 将 crypto.policy 设置为 unlimited
static Cipher	createEmptyCipher(String algorithmTransformation, Provider provider)
static byte[]	decrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier)
static byte[]	decrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier, AlgorithmParameters parameters)
static byte[]	decrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier, AlgorithmParameterSpec parameterSpec)
static byte[]	decrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier, AlgorithmParameterSupplier parameterSupplier)
static byte[]	decrypt(Cipher cipher, byte[] data)
static byte[]	doEncryptOrDecrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier, AlgorithmParameterSpec parameterSpec, boolean encrypt)
static byte[]	doEncryptOrDecrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier, AlgorithmParameterSupplier parameterSupplier, boolean encrypt)
static byte[]	doEncryptOrDecrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier, boolean encrypt)
static byte[]	encrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier)
static byte[]	encrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier, AlgorithmParameters parameters)
static byte[]	encrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier, AlgorithmParameterSpec parameterSpec)
static byte[]	encrypt(byte[] bytes, byte[] keyBytes, String algorithm, String algorithmTransformation, Provider provider, SecureRandom secureRandom, BytesBasedKeySupplier keySupplier, AlgorithmParameterSupplier parameterSupplier)
static byte[]	encrypt(Cipher cipher, byte[] data)
static String	extractAlgorithm(String transformation)
static String	extractCipherAlgorithm(String algorithm) 获取用于密钥生成的算法 获取XXXwithXXX算法，这种算法通常是 签名算法，with 前面部分是摘要算法或者None，with 后面部分是 加密算法，通常是非对称加密算法。
static Symmetrics.MODE	extractSymmetricMode(String algorithmTransformation)
static CipherAlgorithmSuiteRegistry	getAlgorithmSuiteRegistry()
static String	getDefaultTransformation(String algorithm)

从类继承的方法 com.jn.langx.security.Securitys

addProvider, getLangxSecurityProvider, getProvider, getSecureRandom, insertProvider, insertProviderAt, langxProviderInstalled, loadLangxProvider, setup

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

protected Ciphers()

方法详细资料

getDefaultTransformation

public static String getDefaultTransformation(String algorithm)

addDefaultTransformation

public static void addDefaultTransformation(String algorithm,
                                            String transformation)

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)

如果在初始化 Cipher过程中，出现了java.security.InvalidKeyException: Illegal key size 可以找到 ${JDK_HOME}/jre/lib/security/java.security, 将 crypto.policy 设置为 unlimited

返回:

a cipher

createCipher

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

如果在初始化 Cipher过程中，出现了java.security.InvalidKeyException: Illegal key size 可以找到 ${JDK_HOME}/jre/lib/security/java.security, 将 crypto.policy 设置为 unlimited

返回:

a cipher

createCipher

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

如果在初始化 Cipher过程中，出现了java.security.InvalidKeyException: Illegal key size 可以找到 ${JDK_HOME}/jre/lib/security/java.security, 将 crypto.policy 设置为 unlimited

返回:

a cipher

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)

encrypt

public static byte[] encrypt(byte[] bytes,
                             byte[] keyBytes,
                             String algorithm,
                             String algorithmTransformation,
                             Provider provider,
                             SecureRandom secureRandom,
                             @NonNull
                             BytesBasedKeySupplier keySupplier)

encrypt

public static byte[] encrypt(byte[] bytes,
                             byte[] keyBytes,
                             String algorithm,
                             String algorithmTransformation,
                             Provider provider,
                             SecureRandom secureRandom,
                             @NonNull
                             BytesBasedKeySupplier keySupplier,
                             @Nullable
                             AlgorithmParameterSpec parameterSpec)

encrypt

public static byte[] encrypt(byte[] bytes,
                             byte[] keyBytes,
                             String algorithm,
                             String algorithmTransformation,
                             Provider provider,
                             SecureRandom secureRandom,
                             @NonNull
                             BytesBasedKeySupplier keySupplier,
                             @Nullable
                             AlgorithmParameters parameters)

encrypt

public static byte[] encrypt(byte[] bytes,
                             byte[] keyBytes,
                             String algorithm,
                             String algorithmTransformation,
                             Provider provider,
                             SecureRandom secureRandom,
                             @NonNull
                             BytesBasedKeySupplier keySupplier,
                             @Nullable
                             AlgorithmParameterSupplier parameterSupplier)

decrypt

public static byte[] decrypt(byte[] bytes,
                             byte[] keyBytes,
                             String algorithm,
                             String algorithmTransformation,
                             Provider provider,
                             SecureRandom secureRandom,
                             @NonNull
                             BytesBasedKeySupplier keySupplier)

decrypt

public static byte[] decrypt(byte[] bytes,
                             byte[] keyBytes,
                             String algorithm,
                             String algorithmTransformation,
                             Provider provider,
                             SecureRandom secureRandom,
                             @NonNull
                             BytesBasedKeySupplier keySupplier,
                             @Nullable
                             AlgorithmParameterSpec parameterSpec)

decrypt

public static byte[] decrypt(byte[] bytes,
                             byte[] keyBytes,
                             String algorithm,
                             String algorithmTransformation,
                             Provider provider,
                             SecureRandom secureRandom,
                             @NonNull
                             BytesBasedKeySupplier keySupplier,
                             @Nullable
                             AlgorithmParameters parameters)

decrypt

public static byte[] decrypt(byte[] bytes,
                             byte[] keyBytes,
                             String algorithm,
                             String algorithmTransformation,
                             Provider provider,
                             SecureRandom secureRandom,
                             @NonNull
                             BytesBasedKeySupplier keySupplier,
                             @Nullable
                             AlgorithmParameterSupplier parameterSupplier)

doEncryptOrDecrypt

public static byte[] doEncryptOrDecrypt(byte[] bytes,
                                        byte[] keyBytes,
                                        String algorithm,
                                        String algorithmTransformation,
                                        Provider provider,
                                        SecureRandom secureRandom,
                                        @NonNull
                                        BytesBasedKeySupplier keySupplier,
                                        boolean encrypt)

doEncryptOrDecrypt

public static byte[] doEncryptOrDecrypt(byte[] bytes,
                                        byte[] keyBytes,
                                        String algorithm,
                                        String algorithmTransformation,
                                        Provider provider,
                                        SecureRandom secureRandom,
                                        @NonNull
                                        BytesBasedKeySupplier keySupplier,
                                        @Nullable
                                        AlgorithmParameterSpec parameterSpec,
                                        boolean encrypt)

doEncryptOrDecrypt

public static byte[] doEncryptOrDecrypt(byte[] bytes,
                                        byte[] keyBytes,
                                        String algorithm,
                                        String algorithmTransformation,
                                        Provider provider,
                                        SecureRandom secureRandom,
                                        @NonNull
                                        BytesBasedKeySupplier keySupplier,
                                        @Nullable
                                        AlgorithmParameterSupplier parameterSupplier,
                                        boolean encrypt)

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)

extractAlgorithm

public static String extractAlgorithm(String transformation)

extractSymmetricMode

public static Symmetrics.MODE extractSymmetricMode(String algorithmTransformation)

extractCipherAlgorithm

public static String extractCipherAlgorithm(String algorithm)

获取用于密钥生成的算法
获取XXXwithXXX算法，这种算法通常是 签名算法，with 前面部分是摘要算法或者None，with 后面部分是 加密算法，通常是非对称加密算法。

参数:

algorithm - XXXwithXXX算法

返回:

算法

getAlgorithmSuiteRegistry

public static CipherAlgorithmSuiteRegistry getAlgorithmSuiteRegistry()