public static String decrypt(String algorithm, String cipherText, SecretKey key, IvParameterSpec iv) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException { Cipher cipher = Cipher.getInstance(algori...
AES::MAX_KEYLENGTH);HexDecoderdecryptor(newStreamTransformationFilter(ecbDecryption,newStringSink(outstr)));decryptor.Put((byte*)cipherText,strlen(cipherText));decryptor.MessageEnd();returnoutstr;}std::stringCBC_AESEncryptStr(std::stringsKey,std...
在Java中,我们可以使用javax.crypto包下的Cipher类来实现AES加解密。下面是一个简单的AES加解密工具类的设计: importjavax.crypto.Cipher;importjavax.crypto.spec.SecretKeySpec;importjava.nio.charset.StandardCharsets;importjava.security.Key;publicclassAESUtils{privatestaticfinalStringALGORITHM="AES";privatestaticfi...
Decoder().decode(encryptedText);28byte[] decrypted =cipher.doFinal(decodedBytes);29returnnewString(decrypted, StandardCharsets.UTF_8);30}31publicstaticvoidmain(String[] args)throwsException {32String str = encrypt("abc");33System.out.println(str);34String str1 =decrypt(str);35System.out.prin...
Cipher cipher = Cipher.getInstance(AES);// 创建密码器 cipher.init(Cipher.DECRYPT_MODE, key);// 初始化 byte[] result = cipher.doFinal(content); returnresult;// 加密 }catch(NoSuchAlgorithmException e) { e.printStackTrace(); }catch(NoSuchPaddingException e) { ...
(Base64.getDecoder().decode(encryptedText));returnnewString(originalBytes);}publicstaticvoidmain(String[]args){try{Stringkey="YOUR_BASE64_ENCODED_KEY";Stringiv="YOUR_BASE64_ENCODED_IV";StringencryptedText="YOUR_BASE64_ENCODED_CIPHERTEXT";StringdecryptedText=decrypt(encryptedText,key,iv);System....
{returnBase64.getDecoder().decode(sSrc);}publicstaticbyte[]AES128CBCStringEncoding(StringencData,StringsecretKey,Stringvector)throwsException{if(secretKey==null){returnnull;}if(secretKey.length()!=16){returnnull;}if(vector!=null&&vector.length()!=16){returnnull;}Ciphercipher=Cipher.getInstance(...
(aesKey,0,16));cipher.init(Cipher.DECRYPT_MODE,keySpec,iv);// 使用BASE64对密文进行解码byte[]encrypted=Base64.getDecoder().decode(encryptData);// 解密original=cipher.doFinal(encrypted);}catch(Exceptione){log.error(e.getMessage());thrownewAESException(AESException.DECRYPT_AES_ERROR);}...
getDecoder().decode(encryptedText); byte[] iv = new byte[16]; System.arraycopy(encryptedBytes, 0, iv, 0, 16); SecretKeySpec secretKeySpec = new SecretKeySpec(key, "AES"); IvParameterSpec ivParameterSpec = new IvParameterSpec(iv); Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"...
{ SecretKeySpec secretKey = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), ALGORITHM); Cipher cipher = Cipher.getInstance(TRANSFORMATION); cipher.init(Cipher.DECRYPT_MODE, secretKey); byte[] decryptedBytes = cipher.doFinal(Base64.getDecoder().decode(ciphertext)); return new String(...