com.volcengine.ark.runtime.utils

Class KeyAgreementUtil

java.lang.Object

com.volcengine.ark.runtime.utils.KeyAgreementUtil

public class KeyAgreementUtil
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	KeyAgreementUtil.SessionData 会话令牌数据容器类 包含加密密钥、随机数和会话令牌

Constructor Summary

Constructors

Constructor and Description
KeyAgreementUtil()

Method Summary

Modifier and Type	Method and Description
static String	aesGcmDecrypt(byte[] key, byte[] iv, byte[] cipherBytes)
static String	aesGcmDecryptBase64List(byte[] key, byte[] nonce, String ciphertext)
static String	aesGcmDecryptBase64String(byte[] key, byte[] nonce, String ciphertext)
static String	decryptStringWithKey(byte[] key, byte[] nonce, String encryptedContent)
static boolean	decryptValidate(String ciphertext)
static String	encryptStringWithKey(byte[] key, byte[] nonce, String plaintext)
static List<String>	extractBase64Blocks(String ciphertext)
static KeyAgreementUtil.SessionData	generateEciesKeyPair(PublicKey publicKey)
static byte[]	hkdf(byte[] sharedSecret, byte[] salt, byte[] info, int length)
static byte[]	marshalEcPublicKey(ECPublicKey publicKey)
static byte[]	toUnsignedBigEndian(BigInteger value, int length)

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyAgreementUtil

public KeyAgreementUtil()

Method Detail

generateEciesKeyPair

public static KeyAgreementUtil.SessionData generateEciesKeyPair(PublicKey publicKey)
                                                         throws GeneralSecurityException

Throws:

GeneralSecurityException

hkdf

public static byte[] hkdf(byte[] sharedSecret,
                          byte[] salt,
                          byte[] info,
                          int length)
                   throws GeneralSecurityException

Throws:

GeneralSecurityException

marshalEcPublicKey

public static byte[] marshalEcPublicKey(ECPublicKey publicKey)

toUnsignedBigEndian

public static byte[] toUnsignedBigEndian(BigInteger value,
                                         int length)

decryptValidate

public static boolean decryptValidate(String ciphertext)

decryptStringWithKey

public static String decryptStringWithKey(byte[] key,
                                          byte[] nonce,
                                          String encryptedContent)

encryptStringWithKey

public static String encryptStringWithKey(byte[] key,
                                          byte[] nonce,
                                          String plaintext)

aesGcmDecryptBase64String

public static String aesGcmDecryptBase64String(byte[] key,
                                               byte[] nonce,
                                               String ciphertext)

aesGcmDecrypt

public static String aesGcmDecrypt(byte[] key,
                                   byte[] iv,
                                   byte[] cipherBytes)
                            throws GeneralSecurityException

Throws:

GeneralSecurityException

aesGcmDecryptBase64List

public static String aesGcmDecryptBase64List(byte[] key,
                                             byte[] nonce,
                                             String ciphertext)

extractBase64Blocks

public static List<String> extractBase64Blocks(String ciphertext)