rsasign supports CAdES-BES, EPES and T formats.

<form name="form1">

<h4>(Step1) Generate CAdES-BES or EPES</h4>

<table>
<tr><td colspan="2">
Message to be signed (i.e. eContent):<br/>
<textarea name="content1" cols="65" rows="2">aaa</textarea>
</td></tr>
<tr><th colspan="2">SignerInfo</th></tr>
<tr><td colspan="2">Signer's Private Key (PEM):<br/>
<textarea name="prvkey1" cols="65" rows="3">-----BEGIN PRIVATE KEY-----
MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQDfdOqotHd55SYO
0dLz2oXe