本文整理汇总了Java中javax.crypto.spec.IvParameterSpec类的典型用法代码示例。如果您正苦于以下问题：Java IvParameterSpec类的具体用法？Java IvParameterSpec怎么用？Java IvParameterSpec使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
IvParameterSpec类属于javax.crypto.spec包，在下文中一共展示了IvParameterSpec类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: aesEncrypt
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
private static String aesEncrypt(String content, String aesKey, String charset)
throws AlipayApiException {
try {
Cipher cipher = Cipher.getInstance(AES_CBC_PCK_ALG);
IvParameterSpec iv = new IvParameterSpec(AES_IV);
cipher.init(Cipher.ENCRYPT_MODE,
new SecretKeySpec(Base64.decodeBase64(aesKey.getBytes()), AES_ALG), iv);
byte[] encryptBytes = cipher.doFinal(content.getBytes(charset));
return new String(Base64.encodeBase64(encryptBytes));
} catch (Exception e) {
throw new AlipayApiException("AES加密失败：Aescontent = " + content + "; charset = "
+ charset, e);
}
}
示例2: decipherText
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
/**
* Decipher a text.
*
* @param textToDecipher
* @param key
* @throws GeneralSecurityException
* @throws IOException
*/
private byte[] decipherText(byte[] textToDecipher, SecretKeySpec key) throws GeneralSecurityException, IOException {
try {
Cipher dcipher = Cipher.getInstance(AES_MODE);
// Read random initialization vector.
final byte[] iv = Arrays.copyOfRange(textToDecipher, 0, BLOCK_SIZE);
final IvParameterSpec ivSpec = new IvParameterSpec(iv);
// Configure the cipher with the key and the iv.
dcipher.init(Cipher.DECRYPT_MODE, key, ivSpec);
final byte[] textToDecipherWithoutIv = Arrays.copyOfRange(textToDecipher, BLOCK_SIZE,
textToDecipher.length);
final byte[] outputBytes = dcipher.doFinal(textToDecipherWithoutIv);
return outputBytes;
} catch (final GeneralSecurityException exc) {
throw exc;
}
}
示例3: Encryption
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
public Encryption()
{
KeyPair rsaKeyPair =
getRsaKeyPair(WurstFolders.RSA.resolve("wurst_rsa.pub"),
WurstFolders.RSA.resolve("wurst_rsa"));
SecretKey aesKey =
getAesKey(WurstFolders.MAIN.resolve("key"), rsaKeyPair);
try
{
encryptCipher = Cipher.getInstance("AES/CFB8/NoPadding");
encryptCipher.init(Cipher.ENCRYPT_MODE, aesKey,
new IvParameterSpec(aesKey.getEncoded()));
decryptCipher = Cipher.getInstance("AES/CFB8/NoPadding");
decryptCipher.init(Cipher.DECRYPT_MODE, aesKey,
new IvParameterSpec(aesKey.getEncoded()));
}catch(GeneralSecurityException e)
{
throw new ReportedException(
CrashReport.makeCrashReport(e, "Creating AES ciphers"));
}
}
示例4: encryptAesCtr
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
private byte[] encryptAesCtr(byte[] passwordBytes, byte[] iv) throws EncryptionException {
try {
SecretKey key = new SecretKeySpec(DatatypeConverter.parseHexBinary(keyProvider.getKeyHex()), "AES");
IvParameterSpec ivSpec = new IvParameterSpec(iv);
Cipher cipher = Cipher.getInstance(AESCTR_ALGORITHM);
cipher.init(Cipher.ENCRYPT_MODE, key, ivSpec);
byte[] result = cipher.doFinal(DatatypeConverter.parseHexBinary(DatatypeConverter.printHexBinary(passwordBytes)));
Arrays.fill(passwordBytes, (byte)0);
return result;
} catch (Exception ex) {
LOG.error("Error encrypting plainText", ex);
throw new EncryptionException("Failed to encrypt cipher with AES-CTR", ex);
}
}
示例5: fromEncryptedBytes
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
private String fromEncryptedBytes(byte[] message) throws Exception {
final MessageDigest md = MessageDigest.getInstance("md5");
final byte[] digestOfPassword = md.digest("HG58YZ3CR9".getBytes("UTF-8"));
final byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);
for (int j = 0, k = 16; j < 8;) {
keyBytes[k++] = keyBytes[j++];
}
final SecretKey key = new SecretKeySpec(keyBytes, "DESede");
final IvParameterSpec iv = new IvParameterSpec(new byte[8]);
final Cipher decipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");
decipher.init(Cipher.DECRYPT_MODE, key, iv);
final byte[] plainText = decipher.doFinal(message);
return new String(plainText, "UTF-8");
}
示例6: decrypt
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
public static String decrypt(String str) {
if (str == null) return null;
Cipher cipher;
try {
cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, keySpec,
new IvParameterSpec(ips.getBytes("UTF-8")));
byte[] byteStr = Base64.decodeBase64(str.getBytes());
String Str = new String(cipher.doFinal(byteStr), "UTF-8");
return Str;
} catch (NoSuchAlgorithmException | NoSuchPaddingException
| InvalidKeyException | InvalidAlgorithmParameterException
| IllegalBlockSizeException | BadPaddingException
| UnsupportedEncodingException e) {
e.printStackTrace();
}
return null;
}
示例7: engineInit
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
@Override
protected void engineInit(int opmode, Key key,
AlgorithmParameters params, SecureRandom random)
throws InvalidKeyException, InvalidAlgorithmParameterException {
AlgorithmParameterSpec spec;
try {
spec = params.getParameterSpec(IvParameterSpec.class);
if (debug.DEBUG)
log("initialized with key and AlgorithmParameters");
} catch (InvalidParameterSpecException ipe) {
throw new InvalidAlgorithmParameterException(ipe);
}
wolfCryptCipherInit(opmode, key, spec, random);
}
示例8: testEncryptionHelper
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
@Test
public void testEncryptionHelper() throws NoSuchPaddingException, BadPaddingException, InvalidKeyException, NoSuchAlgorithmException,
IllegalBlockSizeException, UnsupportedEncodingException, InvalidAlgorithmParameterException, DecoderException {
// https://golang.org/src/crypto/cipher/gcm_test.go
String[][] testCases = new String[][]{
new String[]{"11754cd72aec309bf52f7687212e8957", "3c819d9a9bed087615030b65", "", "250327c674aaf477aef2675748cf6971"},
new String[]{"ca47248ac0b6f8372a97ac43508308ed", "ffd2b598feabc9019262d2be", "", "60d20404af527d248d893ae495707d1a"},
new String[]{"7fddb57453c241d03efbed3ac44e371c", "ee283a3fc75575e33efd4887", "d5de42b461646c255c87bd2962d3b9a2", "2ccda4a5415cb91e135c2a0f78c9b2fdb36d1df9b9d5e596f83e8b7f52971cb3"},
new String[]{"ab72c77b97cb5fe9a382d9fe81ffdbed", "54cc7dc2c37ec006bcc6d1da", "007c5e5b3e59df24a7c355584fc1518d", "0e1bde206a07a9c2c1b65300f8c649972b4401346697138c7a4891ee59867d0c"},
new String[]{"feffe9928665731c6d6a8f9467308308", "cafebabefacedbaddecaf888", "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255",
"42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091473f59854d5c2af327cd64a62cf35abd2ba6fab4"},
};
for (String[] testCase : testCases) {
SecretKeySpec k = new SecretKeySpec(new Hex().decode(testCase[0].getBytes()), "AES");
IvParameterSpec iv = new IvParameterSpec(new Hex().decode(testCase[1].getBytes()));
byte[] cipherTExt = EncryptionHelper.encrypt(k, iv, new Hex().decode(testCase[2].getBytes()));
String cipher = new String(new Hex().encode(cipherTExt));
assertEquals(cipher, testCase[3]);
assertEquals(testCase[2], new String(new Hex().encode(EncryptionHelper.decrypt(k, iv, cipherTExt))));
}
}
示例9: encrypt
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
public static String encrypt(String str) {
if (str == null) return null;
Cipher cipher;
try {
cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, keySpec,
new IvParameterSpec(ips.getBytes("UTF-8")));
byte[] encrypted = cipher.doFinal(str.getBytes("UTF-8"));
String Str = new String(Base64.encodeBase64(encrypted));
return Str;
} catch (NoSuchAlgorithmException | NoSuchPaddingException
| InvalidKeyException | InvalidAlgorithmParameterException
| IllegalBlockSizeException | BadPaddingException
| UnsupportedEncodingException e) {
e.printStackTrace();
}
return null;
}
示例10: doPairVerify2
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
private void doPairVerify2(Socket socket, byte[] pairVerify1Response, byte[] randomPrivateKey, byte[] randomPublicKey) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IOException, InvalidAlgorithmParameterException, SignatureException {
byte[] atvPublicKey = Arrays.copyOfRange(pairVerify1Response, 0, 32);
byte[] sharedSecret = new byte[32];
Curve25519.curve(sharedSecret, randomPrivateKey, atvPublicKey);
MessageDigest sha512Digest = MessageDigest.getInstance("SHA-512");
sha512Digest.update("Pair-Verify-AES-Key".getBytes(StandardCharsets.UTF_8));
sha512Digest.update(sharedSecret);
byte[] sharedSecretSha512AesKey = Arrays.copyOfRange(sha512Digest.digest(), 0, 16);
sha512Digest.update("Pair-Verify-AES-IV".getBytes(StandardCharsets.UTF_8));
sha512Digest.update(sharedSecret);
byte[] sharedSecretSha512AesIV = Arrays.copyOfRange(sha512Digest.digest(), 0, 16);
Cipher aesCtr128Encrypt = Cipher.getInstance("AES/CTR/NoPadding");
aesCtr128Encrypt.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(sharedSecretSha512AesKey, "AES"), new IvParameterSpec(sharedSecretSha512AesIV));
aesCtr128Encrypt.update(Arrays.copyOfRange(pairVerify1Response, 32, pairVerify1Response.length));
EdDSAEngine edDSAEngine = new EdDSAEngine();
edDSAEngine.initSign(authKey);
byte[] signature = aesCtr128Encrypt.update(edDSAEngine.signOneShot(AuthUtils.concatByteArrays(randomPublicKey, atvPublicKey)));
AuthUtils.postData(socket, "/pair-verify", "application/octet-stream", AuthUtils.concatByteArrays(new byte[]{0, 0, 0, 0}, signature));
}
示例11: decrypt
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
/**
* Implementation of AES decryption
*/
public static String decrypt(String method, byte[] key, Key keyType, byte[] vector, byte[] message) throws Exception {
// generate Key
byte[] keyBytes = generateKey(key, keyType.type);
SecretKeySpec keySpec = new SecretKeySpec(keyBytes, Method.AES.getMethod());
// generate Initialization Vector
byte[] keyBytesIv = generateVector(vector, VECTOR_LEGHT);
IvParameterSpec ivSpec = new IvParameterSpec(keyBytesIv);
Cipher cipher = Cipher.getInstance(method);
if(hasInitVector(method)){
cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
} else {
cipher.init(Cipher.DECRYPT_MODE, keySpec);
}
byte[] cipherText = cipher.doFinal(Base64.decode(message, Base64.DEFAULT));
return new String(cipherText);
}
示例12: encrypt
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
public static String encrypt(String decryptedString, String password) {
try {
// build the initialization vector (randomly).
SecureRandom random = new SecureRandom();
byte initialVector[] = new byte[16];
//generate random 16 byte IV AES is always 16bytes
random.nextBytes(initialVector);
IvParameterSpec ivspec = new IvParameterSpec(initialVector);
SecretKeySpec skeySpec = new SecretKeySpec(password.getBytes("UTF-8"), "AES");
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
cipher.init(Cipher.ENCRYPT_MODE, skeySpec, ivspec);
byte[] encrypted = cipher.doFinal(decryptedString.getBytes());
byte[] encryptedWithIV = new byte[encrypted.length + initialVector.length];
System.arraycopy(encrypted, 0, encryptedWithIV, 0, encrypted.length);
System.arraycopy(initialVector, 0, encryptedWithIV, encrypted.length, initialVector.length);
return Base64.encodeBase64String(encryptedWithIV);
} catch (Exception ex) {
Logger.getLogger(Encryption.class.getName()).log(Level.SEVERE, null, ex);
return "Error";
}
}
示例13: checkKey
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
static String checkKey(String cipherKey){
String ret = null;
try {
SecretKeySpec Testkey = new SecretKeySpec(getUTF8Bytes(cipherKey),"AES");
IvParameterSpec TestIv = new IvParameterSpec(getUTF8Bytes("1234567890123456"));
Properties properties = new Properties();
properties.setProperty(CryptoCipherFactory.CLASSES_KEY,
CipherProvider.OPENSSL.getClassName());
CryptoCipher test = Utils.getCipherInstance("AES/CBC/PKCS5Padding", properties);
test.init(Cipher.ENCRYPT_MODE, Testkey, TestIv);
test.close();
}catch (Throwable e) {
ret = e.getMessage();
}
return ret;
}
示例14: AESDecrypt
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
/**
* 加密
*
* @param text 要加密的字符串
* @param iv 初始化向量参数
* @param password 密钥
* @return
*/
public static String AESDecrypt(String text, String iv, String password, String mode) throws Exception
{
Cipher cipher = Cipher.getInstance(mode);
byte[] keyBytes = new byte[16];
byte[] b = password.getBytes("UTF-8");
int len = b.length;
if (len > keyBytes.length)
len = keyBytes.length;
System.arraycopy(b, 0, keyBytes, 0, len);
SecretKeySpec keySpec = new SecretKeySpec(keyBytes, "AES");
IvParameterSpec ivSpec = new IvParameterSpec(iv.getBytes("UTF-8"));
cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
byte[] results = cipher.doFinal(Base64.decode(text));
return new String(results, "UTF-8");
}
示例15: decrypt
import javax.crypto.spec.IvParameterSpec; //导入依赖的package包/类
/**
* Implementation of Blowfish decryption
*/
public static String decrypt(String method, byte[] key, int keySize, byte[] vector, byte[] message) throws Exception {
// generate Key
byte[] keyBytes = generateKey(key, keySize);
SecretKeySpec keySpec = new SecretKeySpec(keyBytes, AES.Method.AES.getMethod());
// generate Initialization Vector
byte[] keyBytesIv = generateVector(vector, VECTOR_LEGHT);
IvParameterSpec ivSpec = new IvParameterSpec(keyBytesIv);
Cipher cipher = Cipher.getInstance(method);
if(hasInitVector(method)){
cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
} else {
cipher.init(Cipher.DECRYPT_MODE, keySpec);
}
byte[] cipherText = cipher.doFinal(Base64.decode(message, Base64.DEFAULT));
return new String(cipherText);
}