本文整理汇总了Java中org.bouncycastle.crypto.generators.HKDFBytesGenerator类的典型用法代码示例。如果您正苦于以下问题：Java HKDFBytesGenerator类的具体用法？Java HKDFBytesGenerator怎么用？Java HKDFBytesGenerator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。
HKDFBytesGenerator类属于org.bouncycastle.crypto.generators包，在下文中一共展示了HKDFBytesGenerator类的11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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: apply
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
public static final byte[]
apply(byte[] ikm, byte[] salt, byte[] info, Supplier<Digest> digestSupplier, int keyLengthBytes) {
logger.trace("<< apply() - ikm: 0x{} salt: 0x{} info: 0x{} digestSupplier: {} keyLengthBytes: {}",
Hex.toHexString(ikm), Hex.toHexString(salt), Hex.toHexString(info), digestSupplier, keyLengthBytes);
Digest hash = digestSupplier.get();
byte[] okm = new byte[keyLengthBytes];
HKDFParameters params = new HKDFParameters(ikm, salt, info);
HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
hkdf.init(params);
hkdf.generateBytes(okm, 0, keyLengthBytes);
logger.trace(">> apply() - output keying material: 0x{}", Hex.toHexString(okm));
return okm;
}
开发者ID:horrorho，项目名称:InflatableDonkey，代码行数:18，代码来源:RFC5869KDF.java
示例2: createUser
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
private HttpResponse createUser(byte[] username, byte[] ltpk, byte[] proof) throws Exception {
HKDFBytesGenerator hkdf = new HKDFBytesGenerator(new SHA512Digest());
hkdf.init(new HKDFParameters(k, "Pair-Setup-Controller-Sign-Salt".getBytes(StandardCharsets.UTF_8),
"Pair-Setup-Controller-Sign-Info".getBytes(StandardCharsets.UTF_8)));
byte[] okm = new byte[32];
hkdf.generateBytes(okm, 0, 32);
byte[] completeData = ByteUtils.joinBytes(okm, username, ltpk);
if (!new EdsaVerifier(ltpk).verify(completeData, proof)) {
throw new Exception("Invalid signature");
}
authInfo.createUser(authInfo.getMac()+new String(username, StandardCharsets.UTF_8), ltpk);
advertiser.setDiscoverable(false);
return createResponse();
}
开发者ID:beowulfe，项目名称:HAP-Java，代码行数:17，代码来源:FinalPairHandler.java
示例3: StreamCipherTransformer
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
StreamCipherTransformer(File salt) {
super(salt);
additSalt = new File(salt.getParent(), "streamCipherSalt");
rand = new SecureRandom();
algName = Configuration.getString(ALG_NAME);
if (algName == null) {
algName = "ChaCha";
}
String hkdf = Configuration.getString(HKDF_ALG);
if (hkdf == null) {
hkdf = "SHA512";
}
this.hkdf = new HKDFBytesGenerator(Digesters.getDigester(hkdf));
}
开发者ID:shilongdai，项目名称:vsDiaryWriter，代码行数:15，代码来源:StreamCipherTransformer.java
示例4: BlockCipherMacTransformer
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
BlockCipherMacTransformer(File salt) {
super(salt);
enc = BlockCiphers.getEncryptor(Configuration.getString(ENCRYPTION_ALG_NAME),
Configuration.getString(ENCRYPTION_MODE), Configuration.getString(ENCRYPTION_PADDING));
rand = new SecureRandom();
String hkdf = Configuration.getString(HKDF_ALGORITHM);
if (hkdf == null || hkdf.length() == 0) {
hkdf = "SHA256";
}
this.hkdf = new HKDFBytesGenerator(Digesters.getDigester(hkdf));
salts = new IOFile(new File(salt.getParentFile(), "additionalSalts"), new TextIOStreamHandler());
}
开发者ID:shilongdai，项目名称:vsDiaryWriter，代码行数:16，代码来源:BlockCipherMacTransformer.java
示例5: hkdfExpand
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
/**
* Convenience method for computing the HMAC Key Derivation Function. The
* real work is offloaded to BouncyCastle.
*/
protected static byte[] hkdfExpand(byte[] ikm, byte[] salt, byte[] info, int length) throws InvalidKeyException, NoSuchAlgorithmException {
HKDFBytesGenerator hkdf = new HKDFBytesGenerator(new SHA256Digest());
hkdf.init(new HKDFParameters(ikm, salt, info));
byte[] okm = new byte[length];
hkdf.generateBytes(okm, 0, length);
return okm;
}
开发者ID:web-push-libs，项目名称:webpush-java，代码行数:14，代码来源:HttpEce.java
示例6: handle
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
public HttpResponse handle(PairSetupRequest req) throws Exception {
HKDFBytesGenerator hkdf = new HKDFBytesGenerator(new SHA512Digest());
hkdf.init(new HKDFParameters(k, "Pair-Setup-Encrypt-Salt".getBytes(StandardCharsets.UTF_8),
"Pair-Setup-Encrypt-Info".getBytes(StandardCharsets.UTF_8)));
byte[] okm = hkdf_enc_key = new byte[32];
hkdf.generateBytes(okm, 0, 32);
return decrypt((Stage3Request) req, okm);
}
开发者ID:beowulfe，项目名称:HAP-Java，代码行数:10，代码来源:FinalPairHandler.java
示例7: createResponse
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
private HttpResponse createResponse() throws Exception {
HKDFBytesGenerator hkdf = new HKDFBytesGenerator(new SHA512Digest());
hkdf.init(new HKDFParameters(k, "Pair-Setup-Accessory-Sign-Salt".getBytes(StandardCharsets.UTF_8),
"Pair-Setup-Accessory-Sign-Info".getBytes(StandardCharsets.UTF_8)));
byte[] okm = new byte[32];
hkdf.generateBytes(okm, 0, 32);
EdsaSigner signer = new EdsaSigner(authInfo.getPrivateKey());
byte[] material = ByteUtils.joinBytes(okm, authInfo.getMac().getBytes(StandardCharsets.UTF_8), signer.getPublicKey());
byte[] proof = signer.sign(material);
Encoder encoder = TypeLengthValueUtils.getEncoder();
encoder.add(MessageType.USERNAME, authInfo.getMac().getBytes(StandardCharsets.UTF_8));
encoder.add(MessageType.PUBLIC_KEY, signer.getPublicKey());
encoder.add(MessageType.SIGNATURE, proof);
byte[] plaintext = encoder.toByteArray();
ChachaEncoder chacha = new ChachaEncoder(hkdf_enc_key, "PS-Msg06".getBytes(StandardCharsets.UTF_8));
byte[] ciphertext = chacha.encodeCiphertext(plaintext);
encoder = TypeLengthValueUtils.getEncoder();
encoder.add(MessageType.STATE, (short) 6);
encoder.add(MessageType.ENCRYPTED_DATA, ciphertext);
return new PairingResponse(encoder.toByteArray());
}
开发者ID:beowulfe，项目名称:HAP-Java，代码行数:29，代码来源:FinalPairHandler.java
示例8: stage1
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
private HttpResponse stage1(Stage1Request request) throws Exception {
logger.debug("Starting pair verification for "+registry.getLabel());
clientPublicKey = request.getClientPublicKey();
publicKey = new byte[32];
byte[] privateKey = new byte[32];
getSecureRandom().nextBytes(privateKey);
Curve25519.keygen(publicKey, null, privateKey);
sharedSecret = new byte[32];
Curve25519.curve(sharedSecret, privateKey, clientPublicKey);
byte[] material = ByteUtils.joinBytes(publicKey, authInfo.getMac().getBytes(StandardCharsets.UTF_8),
clientPublicKey);
byte[] proof = new EdsaSigner(authInfo.getPrivateKey()).sign(material);
HKDFBytesGenerator hkdf = new HKDFBytesGenerator(new SHA512Digest());
hkdf.init(new HKDFParameters(sharedSecret, "Pair-Verify-Encrypt-Salt".getBytes(StandardCharsets.UTF_8),
"Pair-Verify-Encrypt-Info".getBytes(StandardCharsets.UTF_8)));
hkdfKey = new byte[32];
hkdf.generateBytes(hkdfKey, 0, 32);
Encoder encoder = TypeLengthValueUtils.getEncoder();
encoder.add(MessageType.USERNAME, authInfo.getMac().getBytes(StandardCharsets.UTF_8));
encoder.add(MessageType.SIGNATURE, proof);
byte[] plaintext = encoder.toByteArray();
ChachaEncoder chacha = new ChachaEncoder(hkdfKey, "PV-Msg02".getBytes(StandardCharsets.UTF_8));
byte[] ciphertext = chacha.encodeCiphertext(plaintext);
encoder = TypeLengthValueUtils.getEncoder();
encoder.add(MessageType.STATE, (short) 2);
encoder.add(MessageType.ENCRYPTED_DATA, ciphertext);
encoder.add(MessageType.PUBLIC_KEY, publicKey);
return new PairingResponse(encoder.toByteArray());
}
开发者ID:beowulfe，项目名称:HAP-Java，代码行数:37，代码来源:PairVerificationManager.java
示例9: createKey
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
private byte[] createKey(String info) {
HKDFBytesGenerator hkdf = new HKDFBytesGenerator(new SHA512Digest());
hkdf.init(new HKDFParameters(sharedSecret, "Control-Salt".getBytes(StandardCharsets.UTF_8),
info.getBytes(StandardCharsets.UTF_8)));
byte[] key = new byte[32];
hkdf.generateBytes(key, 0, 32);
return key;
}
开发者ID:beowulfe，项目名称:HAP-Java，代码行数:9，代码来源:PairVerificationManager.java
示例10: eciesDecrypt
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
public ByteString eciesDecrypt(PrivateKey recipientPrivateKey, ByteString cipherText) {
BCECPrivateKey bcecPrivateKey = (BCECPrivateKey) recipientPrivateKey;
ECNamedCurveSpec ecNamedCurveSpec = (ECNamedCurveSpec) bcecPrivateKey.getParams();
int level = SecurityLevel.from(ecNamedCurveSpec.getName()).size();
//cipherText = ephemeralPubKeyBytes + encryptedTokBytes + macBytes
//ephemeralPubKeyBytes = first ((384+7)/8)*2 + 1 bytes = first 97 bytes
//hmac is sha3_384 = 48 bytes or sha3_256 = 32 bytes
int ephemeralPubKeyLength = ((level + 7) / 8) * 2 + 1;
int hmacLength = level >> 3;
int cipherTextLength = cipherText.size();
if (cipherTextLength <= ephemeralPubKeyLength + hmacLength)
throw new RuntimeException(String.format("Illegal cipherText length: %d must be > %d", cipherTextLength, ephemeralPubKeyLength + hmacLength));
ByteString ephemeralPubKey = cipherText.substring(0, ephemeralPubKeyLength);
ByteString encryptedContent = cipherText.substring(ephemeralPubKeyLength, cipherTextLength - hmacLength);
ByteString hmac = cipherText.substring(cipherTextLength - hmacLength);
ECPrivateKeyParameters ecdhPrivateKeyParameters;
try {
ecdhPrivateKeyParameters = (ECPrivateKeyParameters) (PrivateKeyFactory.createKey(bcecPrivateKey.getEncoded()));
} catch (IOException e) {
logger.error("ECIES decrypt load private key exception", e);
throw new RuntimeException(e);
}
ECDomainParameters ecDomainParameters = ecdhPrivateKeyParameters.getParameters();
ECCurve ecCurve = ecDomainParameters.getCurve();
ECPublicKeyParameters ecPublicKeyParameters = new ECPublicKeyParameters(ecCurve.decodePoint(ephemeralPubKey.toByteArray()), ecDomainParameters);
BasicAgreement agree = new ECDHBasicAgreement();
agree.init(ecdhPrivateKeyParameters);
byte[] keyAgreement = agree.calculateAgreement(ecPublicKeyParameters).toByteArray();
HKDFParameters hkdfParameters = new HKDFParameters(keyAgreement, null, null);
HKDFBytesGenerator hkdfBytesGenerator = new HKDFBytesGenerator(digest);
hkdfBytesGenerator.init(hkdfParameters);
byte[] hkdfOutputBytes = new byte[AESKEY_LENGTH + HMACKEY_LENGTH];
hkdfBytesGenerator.generateBytes(hkdfOutputBytes, 0, AESKEY_LENGTH + HMACKEY_LENGTH);
ByteString hkdfOutput = ByteString.copyFrom(hkdfOutputBytes);
ByteString aesKey = hkdfOutput.substring(0, AESKEY_LENGTH);
ByteString hmacKey = hkdfOutput.substring(AESKEY_LENGTH, AESKEY_LENGTH + HMACKEY_LENGTH);
HMac hMac = new HMac(digest);
hMac.init(new KeyParameter(hmacKey.toByteArray()));
hMac.update(encryptedContent.toByteArray(), 0, encryptedContent.size());
byte[] recoveredHmac = new byte[hMac.getMacSize()];
hMac.doFinal(recoveredHmac, 0);
if (!MessageDigest.isEqual(hmac.toByteArray(), recoveredHmac)) {
throw new RuntimeException("HMAC verify failed");
}
CFBBlockCipher aesCipher = new CFBBlockCipher(
new AESEngine(), BLOCK_BIT_SIZE);
ByteString iv = encryptedContent.substring(0, IV_LENGTH);
CipherParameters ivAndKey = new ParametersWithIV(new KeyParameter(aesKey.toByteArray()), iv.toByteArray());
aesCipher.init(false, ivAndKey);
byte[] decryptedBytes = new byte[500];
aesCipher.decryptBlock(encryptedContent.substring(IV_LENGTH).toByteArray(), 0, decryptedBytes, 0);
return ByteString.copyFrom(decryptedBytes);
}
开发者ID:GrapeBaBa，项目名称:fabric-java，代码行数:60，代码来源:Crypto.java
示例11: deriveKey
import org.bouncycastle.crypto.generators.HKDFBytesGenerator; //导入依赖的package包/类
/**
* @param ikm
* Master key
* @param salt
* @param info
* Some extra (public) information.
* @param outKeyLen
* The derived key length
* @return A derived key.
*/
public static byte[] deriveKey(byte[] ikm, byte[] salt, byte[] info,
int outKeyLen) {
HKDFBytesGenerator kdf = new HKDFBytesGenerator(new SHA1Digest());
kdf.init(new HKDFParameters(ikm, salt, info));
byte[] outKey = new byte[outKeyLen];
kdf.generateBytes(outKey, 0, outKeyLen);
return outKey;
}
开发者ID:acs6610987，项目名称:secram，代码行数:19，代码来源:SECRAMEncryptionFactory.java
注：本文中的org.bouncycastle.crypto.generators.HKDFBytesGenerator类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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