protected string CreateStringToSign <T>(string canonicalRequest, SignerRequestParams <T> signerParams)
{
var stringToSignBuilder = new StringBuilder(signerParams.GetSigningAlgorithm());
stringToSignBuilder.Append("\n")
.Append(signerParams.GetFormattedSigningDateTime())
.Append("\n")
.Append(signerParams.GetScope())
.Append("\n")
.Append(BinaryUtils.ToHex(this.Hash(canonicalRequest)));
var stringToSign = stringToSignBuilder.ToString();
return(stringToSign);
}
private string BuildAuthorizationHeader <T>(IRequest <T> request, byte[] signature, ICredentials credentials, SignerRequestParams <T> signerParams)
{
var signingCredentials = credentials.GetAccessKeyId() + "/" + signerParams.GetScope();
var credential = "Credential=" + signingCredentials;
var signerHeaders = "SignedHeaders=" + this.GetSignedHeadersString(request);
var signatureHeader = "Signature=" + BinaryUtils.ToHex(signature);
var authHeaderBuilder = new StringBuilder();
authHeaderBuilder.Append("SDK-HMAC-SHA256")
.Append(" ")
.Append(credential)
.Append(", ")
.Append(signerHeaders)
.Append(", ")
.Append(signatureHeader);
return(authHeaderBuilder.ToString());
}