BgjmR9b9

1    public void exportKey(String password) {
2        createSecretBox();
3
4        byte[] seed = identityPrivateKey.toBytes();
5        String seedStr = encode64(seed);
6        String obj = "{\"Seed\":\"" + seedStr + "\"}";
7        byte[] salt = generateSalt();
8        byte[] nonce = generateNonce();
9        byte[] passwd = decode64(password);
10
11        byte[] secretKey = new byte[0];
12        sodium.crypto_pwhash_scryptsalsa208sha256(
13                secretKey,
14                sodium.crypto_secretbox_keybytes(),
15                passwd,
16                passwd.length,
17                salt,
18                sodium.crypto_pwhash_scryptsalsa208sha256_opslimit_interactive(),
19                sodium.crypto_pwhash_scryptsalsa208sha256_memlimit_interactive());
20
21//?
22//        String secretKeyStr = hash.pwhash_scryptsalsa208sha256(                                                                                            
23//                password,                                                                                                                                  
24//                encoder,                                                                                                                                   
25//                salt,                                                                                                                                      
26//                sodium.crypto_pwhash_scryptsalsa208sha256_opslimit_interactive(),                                                                          
27//                sodium.crypto_pwhash_scryptsalsa208sha256_memlimit_interactive());                                                                         
28
29        byte[] encryptedObj = new byte[0];
30        sodium.crypto_secretbox_easy(
31                encryptedObj,
32                decode64(obj),
33                obj.length(),
34                nonce,
35                secretKey);
36
37        String fullEncryptedObjStr = "{\"Key\":\"" + encryptedObj + "\","
38                + " \"Salt\":\"" + encode64(salt) + "\","
39                + " \"Nonce\":\"" + encode64(nonce) + "\"}";
40
41        L.d("exportKey", fullEncryptedObjStr);
42    }