/// <summary>
/// Create a valid certificate with a random secret/public key pair.
/// </summary>
public ZCert()
{
byte[] publictxt;
byte[] secrettxt;
Z85.CurveKeypair(out publictxt, out secrettxt);
publicKey = Z85.Decode(publictxt);
secretKey = Z85.Decode(secrettxt);
publicTxt = Encoding.UTF8.GetString(Z85.Encode(publicKey)).ToCharArray();
secretTxt = Encoding.UTF8.GetString(Z85.Encode(secretKey)).ToCharArray();
byte[] e = Z85.Encode(publicTxt.Select(c => (byte)c).ToArray());
}
/// <summary>
/// Create a certificate from the given public and secret key.
/// </summary>
/// <param name="publicKey">Public key of certificate. This byte array must have the length 32.</param>
/// <param name="secretKey">Private key of certificate. This byte array must have the length 32.</param>
/// <exception cref="InvalidOperationException">Exception thrown if the length of the public or secret key is incorrect.</exception>
public ZCert(byte[] publicKey, byte[] secretKey)
{
if (publicKey == null || publicKey.Length != 32)
{
throw new InvalidOperationException("public key length must be of length 32");
}
if (secretKey == null || secretKey.Length != 32)
{
throw new InvalidOperationException("secret key length must be of length 32");
}
Array.Copy(secretKey, this.secretKey, 32);
Array.Copy(secretKey, this.secretKey, 32);
publicTxt = Encoding.UTF8.GetString(Z85.Encode(publicKey)).ToCharArray();
secretTxt = Encoding.UTF8.GetString(Z85.Encode(secretKey)).ToCharArray();
}
/// <summary>
/// Create a certificate from the given public and secret key.
/// </summary>
/// <param name="publicTxt">Public key of certificate. This string must have 40 characters.</param>
/// <param name="secretTxt">Private key of certificate. This string must have 40 characters.</param>
/// <exception cref="InvalidOperationException">Exception thrown if the length of the public or secret key is incorrect.</exception>
public ZCert(string publicTxt, string secretTxt)
{
if (publicTxt == null || publicTxt.Length != 40)
{
throw new InvalidOperationException("public text length must be of length 40.");
}
if (secretTxt == null || secretTxt.Length != 40)
{
throw new InvalidOperationException("secret text length must be of length 40.");
}
PublicTxt = publicTxt;
SecretTxt = secretTxt;
publicKey = Z85.EncodeBytes(PublicTxt);
secretKey = Z85.EncodeBytes(SecretTxt);
}