private async Task <bool> Sign()
{
var tx_hex = await Serialize();
signatures = (await signatureProvider.Sign(this.ChainId, Hex.HexToBytes(tx_hex))).ToArray();
return(true);
}
/// <summary>
/// Gets the Base64Url of signature.
/// </summary>
/// <returns>A string encoded of signature.</returns>
public string ToSigntureBase64Url()
{
if (signature == null || !signature.CanSign)
{
return(signatureCache ?? string.Empty);
}
var bytes = signature.Sign($"{ToHeaderBase64Url()}.{ToPayloadBase64Url()}", Encoding.ASCII);
return(WebFormat.Base64UrlEncode(bytes));
}
public T Sign <T>(ISignatureProvider provider) where T : class
{
if (NeedsSignature)
{
//Validate IdCard before starting to generate Assertion
new IdCardValidator().ValidateIdCard(this);
//Generate unsigned assertion here based on IdCard, and sign it
Xassertion = provider.Sign(GenerateAssertion());
LastDomOperation = SIGNED;
NeedsSignature = false;
}
return(GetAssertion <T>());
}
/// <summary>
/// Computes the signature for the specified hash value.
/// </summary>
/// <param name="sign">The signature provider.</param>
/// <param name="value">The value to sign.</param>
/// <param name="encoding">The text encoding.</param>
/// <returns>The signature for the specified hash value.</returns>
public static byte[] Sign(this ISignatureProvider sign, string value, Encoding encoding = null)
{
return(sign.Sign((encoding ?? Encoding.UTF8).GetBytes(value)));
}