public EmailHeader SignMessage(Email email)
{
// Find the actual headers we're going to sign
var headers = email.GetHeadersToSign(_headersToSign);
// Generate the header value
var value = GenerateDkimHeaderValue(email, headers);
// Add the signature key
headers.Add(new EmailHeader
{
Key = SignatureKey,
Value = value
});
// sign email
value += GenerateSignature(email, headers);
// Return the new header
return(new EmailHeader
{
Key = SignatureKey,
Value = value
});
}
public EmailHeader SignMessage(Email email)
{
var signatureValue = new StringBuilder();
// algorithm used
signatureValue.Append("a=");
signatureValue.Append(_privateKeySigner.Algorithm);
signatureValue.Append("; ");
// Canonicalization
signatureValue.Append("c=");
signatureValue.Append(this.Canonicalization.ToString().ToLower());
signatureValue.Append("; ");
// signing domain
signatureValue.Append("d=");
signatureValue.Append(_domain);
signatureValue.Append("; ");
// headers to be signed
var headers = email.GetHeadersToSign(_headersToSign);
if (headers.Count > 0)
{
signatureValue.Append("h=");
foreach (var header in headers)
{
signatureValue.Append(header.Key);
signatureValue.Append(':');
}
signatureValue.Length--;
signatureValue.Append("; ");
}
// public key location
signatureValue.Append("q=dns; ");
// selector
signatureValue.Append("s=");
signatureValue.Append(_selector);
signatureValue.Append("; ");
// signature data
signatureValue.Append("b=");
signatureValue.Append(SignSignature(email, headers));
signatureValue.Append(";");
return(new EmailHeader()
{
Key = SignatureKey, Value = signatureValue.ToString()
});
}
public EmailHeader SignMessage(Email email)
{
// Find the actual headers we're going to sign
var headers = email.GetHeadersToSign(_headersToSign);
// Generate the header value
var value = this.GenerateDkimHeaderValue(email, headers);
// Add the signature key
headers.Add(new EmailHeader() { Key = SignatureKey, Value = value});
// sign email
value += GenerateSignature(email, headers);
// Return the new header
return new EmailHeader() { Key = SignatureKey, Value = value };
}
public EmailHeader SignMessage(Email email)
{
var signatureValue = new StringBuilder();
// algorithm used
signatureValue.Append("a=");
signatureValue.Append(_privateKeySigner.Algorithm);
signatureValue.Append("; ");
// Canonicalization
signatureValue.Append("c=");
signatureValue.Append(this.Canonicalization.ToString().ToLower());
signatureValue.Append("; ");
// signing domain
signatureValue.Append("d=");
signatureValue.Append(_domain);
signatureValue.Append("; ");
// headers to be signed
var headers = email.GetHeadersToSign(_headersToSign);
if (headers.Count>0)
{
signatureValue.Append("h=");
foreach (var header in headers)
{
signatureValue.Append(header.Key);
signatureValue.Append(':');
}
signatureValue.Length--;
signatureValue.Append("; ");
}
// public key location
signatureValue.Append("q=dns; ");
// selector
signatureValue.Append("s=");
signatureValue.Append(_selector);
signatureValue.Append("; ");
// signature data
signatureValue.Append("b=");
signatureValue.Append(SignSignature(email, headers));
signatureValue.Append(";");
return new EmailHeader() { Key = SignatureKey, Value = signatureValue.ToString() };
}
