public string GeneratePrivateViewKeyFromPrivateSpendKey(string SpendPrivateKey)
{
byte[] b = HexStringToByteArray(SpendPrivateKey);
byte[] h = Keccak.KeccakHash(b);
sc_reduce32(ref h);
return(ByteArrayToHexString(h));
}
// Converts a set of public keys to a readable address
public static string AddressFromKeys(string PublicSpendKey, string PublicViewKey, ulong Prefix)
{
// First we create a byte buffer
byte[] Buffer = new byte[0];
// Pack address prefix into buffer
Buffer = Buffer.AppendVarInt(Prefix);
// Add keys to buffer
Buffer = Buffer.AppendBytes(HexStringToByteArray(PublicSpendKey));
Buffer = Buffer.AppendBytes(HexStringToByteArray(PublicViewKey));
// Append buffer checksum to buffer
Buffer = Buffer.AppendBytes(Keccak.KeccakHash(Buffer, 4));
/* Now we have to encode our address in base58 - but we do it in
* a bit of an odd way, in blocks. We take 8 bytes at a time,
* and convert it to base58. Then, if the block converts to less
* than 11 base58 chars, we pad it with ones (1 is 0 in Base58)
*
* The final block however is not padded to 11 chars, rather it
* is padded to the length of the hex string modulo 8.
*
* This ensures addresses are always the same length. */
// Split buffer into chunks of 8
var Chunks = Buffer.ChunkBy(8);
// Create an output string for our address
string Output = "";
// The size of the remainder after chunking into groups of 8
int LastChunkSize = Buffer.Length % 8;
// Loop through all chunks
for (int i = 0; i < Chunks.Count; i++)
{
// Encode the chunk into a base58 string
string AddrChunk = Base58.Encode(Chunks[i]);
// Pad to 11 chars with ones, i.e. 0 in base58 - we pad at the beginning
if (i < Chunks.Count - 1)
{
AddrChunk = AddrChunk.PadLeft(11, LeadingChar);
}
// Last iteration, we do different padding
else
{
AddrChunk = AddrChunk.PadLeft(LastChunkSize, LeadingChar);
}
// Add address chunk to output string
Output += AddrChunk;
}
// Return resulting address string
return(Output);
}
public KeyPair GenerateViewKeysFromPrivateSpendKey(string SpendPrivateKey)
{
byte[] b = HexStringToByteArray(SpendPrivateKey);
byte[] h = Keccak.KeccakHash(b);
sc_reduce32(ref h);
KeyPair k = new KeyPair();
k.PrivateKey = ByteArrayToHexString(h);
k.PublicKey = SecretKeyToPublicKey(k.PrivateKey);
return(k);
}
public string CN_FastHash(byte[] Data)
{
byte[] Output = Keccak.KeccakHash(Data);
return(ByteArrayToHexString(Output));
}
