/**
* Deserialize a base-58-encoded HD Key.
*
* @param parent The parent node in the given key's deterministic hierarchy.
*/
public static DeterministicKey deserializeB58(
@Nullable DeterministicKey parent, String base58, NetworkParameters params) {
try {
return deserialize(params, Base58.decodeChecked(base58), parent);
} catch (AddressFormatException e) {
throw new IllegalArgumentException(e);
}
}
public SecretBox(byte[] seed) {
checkLength(seed, SEED_LENGTH);
this.seed = seed;
this.secretKey = CryptoUtils.zeros(SECRETKEY_BYTES * 2);
byte[] publicKey = CryptoUtils.zeros(PUBLICKEY_BYTES);
isValid(
sodium().crypto_sign_ed25519_seed_keypair(publicKey, secretKey, seed),
"Failed to generate a key pair");
this.pubKey = Base58.encode(publicKey);
}
/**
* Attempts to parse the given string as arbitrary-length hex or base58 and then return the
* results, or null if neither parse was successful.
*/
public static byte[] parseAsHexOrBase58(String data) {
try {
return HEX.decode(data);
} catch (Exception e) {
// Didn't decode as hex, try base58.
try {
return Base58.decodeChecked(data);
} catch (AddressFormatException e1) {
return null;
}
}
}
public static byte[] wifToPrivateKey(String string) {
String wif = string;
byte[] wif_enc = new byte[wif.length()];
wif_enc = Base58.decode(wif);
byte[] wif_enc_fin = new byte[wif_enc.length - 5];
// Drop first and last four bytes
System.arraycopy(wif_enc, 1, wif_enc_fin, 0, wif_enc.length - 5);
return (wif_enc_fin);
}
public static byte[] wifChecksum(String string) {
byte[] wif_enc = Base58.decode(string);
byte[] wif_enc_sh = new byte[wif_enc.length - 4];
System.arraycopy(wif_enc, 0, wif_enc_sh, 0, wif_enc.length - 4);
byte[] hash = new byte[256];
byte[] hash2 = new byte[256];
try {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
hash = digest.digest(wif_enc_sh);
hash2 = digest.digest(hash);
} catch (Exception e) {
// TODO: handle exception
}
byte[] checksum = new byte[4];
System.arraycopy(hash2, 0, checksum, 0, checksum.length);
return (checksum);
}
/**
* Return the secret key, encode in Base58
*
* @return
*/
public String getSecretKey() {
return Base58.encode(secretKey);
}
static String toBase58(byte[] ser) {
return Base58.encode(addChecksum(ser));
}