我们的项目是使用带有nacl.box和临时密钥的非对称加密:
encrypt(pubKey, msg) {
if (typeof msg !== 'string') {
msg = JSON.stringify(msg)
}
let ephemKeys = nacl.box.keyPair()
let msgArr = nacl.util.decodeUTF8(msg)
let nonce = nacl.randomBytes(nacl.box.nonceLength)
p(`naclRsa.pubKey=${this.pubKey}`)
let encrypted = nacl.box(
msgArr,
nonce,
nacl.util.decodeBase64(pubKey),
ephemKeys.secretKey
)
let nonce64 = nacl.util.encodeBase64(nonce)
let pubKey64 = nacl.util.encodeBase64(ephemKeys.publicKey)
let encrypted64 = nacl.util.encodeBase64(encrypted)
return {nonce: nonce64, ephemPubKey: pubKey64, encrypted: encrypted64}
}我们目前有node.js应用程序,然后对这些消息进行解密。我们希望在某些特性中使用jvm语言。tweet-nacl在jvm上似乎没有老牌球员的丰富,但似乎如此。
tweetnacl-java https://github.com/InstantWebP2P/tweetnacl-java及其建议的执行情况
°tweetnacl-fast https://github.com/InstantWebP2P/tweetnacl-java/blob/master/src/main/java/com/iwebpp/crypto/TweetNaclFast.java
很受欢迎。
目前还不清楚在这个库中,与使用短暂密钥的asymmetric加密类似的是什么。它支持吗?请注意,如果java或kotlin在tweetnacl-java中不受支持,那么我将对其开放。
发布于 2020-09-04 15:52:23
是的港口。因此,预期两者提供相同的功能。至少对于posted方法是这样的,可以用TweetNaclFast在Java端实现,如下所示:
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import com.iwebpp.crypto.TweetNaclFast;
import com.iwebpp.crypto.TweetNaclFast.Box;
import com.iwebpp.crypto.TweetNaclFast.Box.KeyPair;
...
private static EncryptedData encrypt(byte[] pubKey, String msg) {
KeyPair ephemKeys = Box.keyPair();
byte[] msgArr = msg.getBytes(StandardCharsets.UTF_8);
byte[] nonce = TweetNaclFast.randombytes(Box.nonceLength);
Box box = new Box(pubKey, ephemKeys.getSecretKey());
byte[] encrypted = box.box(msgArr, nonce);
String nonce64 = Base64.getEncoder().encodeToString(nonce);
String ephemPubKey64 = Base64.getEncoder().encodeToString(ephemKeys.getPublicKey());
String encrypted64 = Base64.getEncoder().encodeToString(encrypted);
return new EncryptedData(nonce64, ephemPubKey64, encrypted64);
}
...
class EncryptedData {
public EncryptedData(String nonce, String ephemPubKey, String encrypted) {
this.nonce = nonce;
this.ephemPubKey = ephemPubKey;
this.encrypted = encrypted;
}
public String nonce;
public String ephemPubKey;
public String encrypted;
}为了证明双方是兼容的,在以下示例中,将在Java端加密明文,并在JavaScript端解密:
publicKeyJS)被传递到JavaScript端。JavaScript侧的密钥对可以按以下方式生成:设keysJS = nacl.box.keyPair();secretKeyJS = keysJS.secretKey;publicKeyJS = keysJS.publicKey;console.log(秘密密钥:+ nacl.util.encodeBase64(secretKeyJS));console.log(公钥:+ nacl.util.encodeBase64(publicKeyJS));
具有以下示例输出:
密钥: BDXNKDHeq0vILm8oawAGAQtdIsgwethzBTBqmsWI+R8=:YTxAFmYGm4yV2OP94E4pcD6LSsN4gcSBBAlU105l7hw=公钥
encrypt方法(和publicKeyJS):Base64.getDecoder().decode("BDXNKDHeq0vILm8oawAGAQtdIsgwethzBTBqmsWI+R8=");publicKeyJS = EncryptedData encryptedFromJava = encrypt(publicKeyJS,“我有一种感觉我们已经不在堪萨斯了……”);System.out.println("Nonce:“+ encryptedFromJava.nonce);System.out.println(”临时公钥:“+ encryptedFromJava.ephemPubKey);System.out.println(”密文:“+ encryptedFromJava.encrypted);
具有以下示例输出:
即时公钥:Mde+9 metwF1jIEij5rZDHjStR/pd4BN9p5JbZleSg=密文: hHo7caCxTU+hghcFZFv+djAkSlWKnC12xj82V2R/Iz9GdOMoTzjoCDcz9m/KbRN6i5dkYi3+Gf0YTtKlZQWFooo=
JS端的解密给出了原始明文(使用secretKeyJS): )
让FcdzXfYwSbI0nq2WXsLe9aAh94vXSoWd= "FcdzXfYwSbI0nq2WXsLe9aAh94vXSoWd";让ephemPubKey = console.log(nacl.util.encodeUTF8(decryptedFromJS));加密=console.log(nacl.util.encodeUTF8(decryptedFromJS));secretKeyJS = nacl.util.decodeBase64("YTxAFmYGm4yV2OP94E4pcD6LSsN4gcSBBAlU105l7hw=");让decryptedFromJS =解密(secretKeyJS,{ nonce : nonce,ephemPubKey: ephemPubKey,encrypted: encrypted});console.log(nacl.util.encodeUTF8(decryptedFromJS));//我有一种感觉,我们已经不在堪萨斯了……函数解密( secretKey,密文){让解密= nacl.box.open( nacl.util.decodeBase64(ciphertext.encrypted),nacl.util.decodeBase64(ciphertext.nonce),nacl.util.decodeBase64 secretKey );返回解密;}
发布于 2021-08-23 16:34:57
我的tweetnacl-java (Kudos to @topaco)的完整代码
我生成了两个随机密钥对,并将它们的密钥保存在application.properties文件中,这样,我将始终拥有相同的pub&sec和nonce。Base64.getEncoder().encodeToString(ephemeralKeyPair.getSecretKey()); baseKeyPair= Box.keyPair();String baseKeyPairSecretKey = Base64.getEncoder().encodeToString(nonce); KeyPair ephemeralKeyPair= Box.keyPair();String ephemeralKeyPairSecretKey =Base64.getEncoder().encodeToString(ephemeralKeyPair.getSecretKey()); byte[] nonce = TweetNaclFast.randombytes(Box.nonceLength);String Box.nonceLength=Base64.getEncoder().encodeToString(nonce);
private final AppConfig config; //you can autowire the config class
private TweetNaclFast.Box.KeyPair getBaseKeyPair() {
byte[] secretKey = Base64.getDecoder().decode(config.getTweetNACLConfig().getBaseSecretKey());
return TweetNaclFast.Box.keyPair_fromSecretKey(mySecretKey);
}
private TweetNaclFast.Box.KeyPair getEphemeralKeyPair() {
byte[] secretKey = Base64.getDecoder().decode(config.getTweetNACLConfig().getEphemeralSecretKey());
return TweetNaclFast.Box.keyPair_fromSecretKey(mySecretKey);
}
private byte[] getNonce() {
return Base64.getDecoder().decode(config.getTweetNACLConfig().getNonce().getBytes(StandardCharsets.UTF_8));
}
public String encrypt(String msg) {
TweetNaclFast.Box.KeyPair baseKeyPair = getBaseKeyPair();
TweetNaclFast.Box.KeyPair ephemeralKeyPair = getEphemeralKeyPair();
byte[] msgArr = msg.getBytes(StandardCharsets.UTF_8);
byte[] nonce = getNonce();
TweetNaclFast.Box box = new TweetNaclFast.Box(baseKeyPair.getPublicKey(), ephemeralKeyPair.getSecretKey());
byte[] encryptedData = box.box(msgArr, nonce);
return Base64.getEncoder().encodeToString(encryptData);
}
public String decrypt(String encryptedData) {
TweetNaclFast.Box.KeyPair baseKeyPair = getBaseKeyPair();
TweetNaclFast.Box.KeyPair ephemeralKeyPair = getEphemeralKeyPair();
byte[] nonce = getNonce();
TweetNaclFast.Box box = new TweetNaclFast.Box(ephemeralKeyPair.getPublicKey(), baseKeyPair.getSecretKey());
byte[] boxToOpen = Base64.getDecoder().decode(encryptedData);
byte[] decryptedData = box.open(boxToOpen, nonce);
return new String(decryptedData, StandardCharsets.UTF_8);
}
> Please, note these two lines
> TweetNaclFast.Box box = new TweetNaclFast.Box(baseKeyPair.getPublicKey(), ephemeralKeyPair.getSecretKey());
> TweetNaclFast.Box box = new TweetNaclFast.Box(ephemeralKeyPair.getPublicKey(), baseKeyPair.getSecretKey());
return encryptAndDecryptData.encrypt("Friday"); // JHo/tk/Jpp2rpxpzIIgBhVhK/CBZLg==
return encryptAndDecryptData.decrypt("JHo/tk/Jpp2rpxpzIIgBhVhK/CBZLg==") //Fridayhttps://stackoverflow.com/questions/63727899
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