public static void generateViewFromSpend(Crypto.SecretKey spend, Crypto.SecretKey viewSecret, Crypto.PublicKey viewPublic)
{
Crypto.SecretKey viewKeySeed = new Crypto.SecretKey();
GlobalMembers.keccak((ushort)spend, sizeof(Crypto.SecretKey), (ushort)viewKeySeed, sizeof(Crypto.SecretKey));
Crypto.generate_deterministic_keys(viewPublic, viewSecret, viewKeySeed);
}
public static string PrivateKeyToMnemonic(Crypto.SecretKey privateKey)
{
List <string> words = new List <string>();
for (int i = 0; i < 32 - 1; i += 4)
{
/* Read the array as a uint array */
int ptr = (int)privateKey.data[i];
/* Take the first element of the array (since we have already done the offset */
//int val = ptr[0];
int val = ptr;
int wlLen = WordList.GlobalMembers.EnglishList.Count;
int w1 = val % wlLen;
int w2 = ((val / wlLen) + w1) % wlLen;
int w3 = (((val / wlLen) / wlLen) + w2) % wlLen;
words.Add(WordList.GlobalMembers.EnglishList[w1]);
words.Add(WordList.GlobalMembers.EnglishList[w2]);
words.Add(WordList.GlobalMembers.EnglishList[w3]);
}
words.Add(GetChecksumWord(new List <string>(words)));
string result = string.Empty;
foreach (string word in words)
{
if (!string.IsNullOrEmpty(word))
{
result += " ";
}
result += word;
}
return(result);
}
public static void generateViewFromSpend(Crypto.SecretKey spend, Crypto.SecretKey viewSecret)
{
/* If we don't need the pub key */
Crypto.PublicKey unused_dummy_variable = new Crypto.PublicKey();
generateViewFromSpend(spend, viewSecret, unused_dummy_variable);
}
/* Note - if the returned string is not empty, it is an error message, and
* the returned secret key is not initialized. */
public static Dictionary <string, Crypto.SecretKey> MnemonicToPrivateKey(List <string> words)
{
Crypto.SecretKey key = new Crypto.SecretKey();
int len = words.Count;
/* Mnemonics must be 25 words long */
if (len != 25)
{
string str;
/* Write out "word" or "words" to make the grammar of the next sentence
* correct, based on if we have 1 or more words */
string wordPlural = len == 1 ? "word" : "words";
str = "Mnemonic seed is wrong length - It should be 25 words long, but it is " + len + " " + wordPlural + " long!";
return(new Dictionary <string, Crypto.SecretKey> {
{ str, key }
});
}
/* All words must be present in the word list */
foreach (string word in words)
{
if (!WordList.GlobalMembers.EnglishHash.Contains(word.ToLower()))
{
string str = "Mnemonic seed has invalid word - " + word + " is not in the English word list!";
return(new Dictionary <string, Crypto.SecretKey> {
{ str, key }
});
}
}
/* The checksum must be correct */
if (!HasValidChecksum(new List <string>(words)))
{
return(new Dictionary <string, Crypto.SecretKey> {
{ "Mnemonic seed has incorrect checksum!", key }
});
}
List <int> wordIndexes = GetWordIndexes(new List <string>(words));
List <ushort> data = new List <ushort>();
for (int i = 0; i < words.Count - 1; i += 3)
{
/* Take the indexes of these three words in the word list */
int w1 = wordIndexes[i];
int w2 = wordIndexes[i + 1];
int w3 = wordIndexes[i + 2];
/* Word list length */
int wlLen = WordList.GlobalMembers.EnglishList.Count;
/* no idea what this does lol */
ushort val = (ushort)(w1 + wlLen * (((wlLen - w1) + w2) % wlLen) + wlLen * wlLen * (((wlLen - w2) + w3) % wlLen));
/* Don't know what this is testing either */
if (!(val % wlLen == w1))
{
return(new Dictionary <string, Crypto.SecretKey> {
{ "Mnemonic seed is invalid!", key }
});
}
/* Interpret val as 4 ushort's */
//TODO: Need to revisit this. Original:
//const auto ptr = reinterpret_cast <const uint8_t*> (&val);
///* Append to private key */
//for (int j = 0; j < 4; j++)
//{
// data.push_back(ptr[j]);
//}
short ptr = Convert.ToInt16(val);
/* Append to private key */
for (int j = 0; j < 4; j++)
{
key.data[j] = val;
}
}
return(new Dictionary <string, Crypto.SecretKey> {
{ string.Empty, key }
});
}
public abstract string createAddress(Crypto.SecretKey spendSecretKey);
public abstract void initializeWithViewKey(string path, string password, Crypto.SecretKey viewSecretKey);
// Transaction info public abstract void SetTransactionSecretKey(Crypto.SecretKey key);
public abstract bool FindOutputsToAccount(AccountPublicAddress addr, Crypto.SecretKey viewSecretKey, List <uint> outs, ulong outputAmount);
public abstract bool GetTransactionSecretKey(Crypto.SecretKey key);
