// Note: It's irritating to have to convert from base64 to bytes and then to hex, but we can't change the IBlobSigner implementation
// and ServiceAccountCredential.CreateSignature returns base64 anyway.
public string Sign(RequestTemplate requestTemplate, Options options, IBlobSigner blobSigner, IClock clock)
{
var state = new UrlSigningState(requestTemplate, options, blobSigner, clock);
var base64Signature = blobSigner.CreateSignature(state._blobToSign);
var rawSignature = Convert.FromBase64String(base64Signature);
var hexSignature = FormatHex(rawSignature);
return(state.GetResult(hexSignature));
}
public async Task <string> SignAsync(
RequestTemplate requestTemplate, Options options, IBlobSigner blobSigner, IClock clock, CancellationToken cancellationToken)
{
var state = new UrlSigningState(requestTemplate, options, blobSigner, clock);
var base64Signature = await blobSigner.CreateSignatureAsync(state._blobToSign, cancellationToken).ConfigureAwait(false);
var rawSignature = Convert.FromBase64String(base64Signature);
var hexSignature = FormatHex(rawSignature);
return(state.GetResult(hexSignature));
}