IText PDF Won't Permit Encryption?

I am attempting to encrypt the file that is generated by Itext:

def download
str = Rjb::import(“java.lang.String”);
pw = Rjb::import(“com.lowagie.text.pdf.PdfWriter”)
d = Rjb::import(“com.lowagie.text.Document”)
ba = Rjb::import(“java.io.ByteArrayOutputStream”)
b = ba.new()
p = Rjb::import(“com.lowagie.text.Paragraph”)
document = d.new()
s = str.new(“user”)
pwd = s.getBytes()
writer = pw.getInstance(document, b)
writer.setEncryption(pwd, pwd,2052,1);
document.open()
document.add(p.new(“Hello!!!”))
document.close()
bytes = b.toByteArray()
send_data(bytes, {:filename => “Letters For Printing.pdf”, :type =>
“application/pdf”})
end

Every time I call the above method I get the error :

NoClassDefFoundError in LettersController#download

org/bouncycastle/asn1/ASN1OctetString

RAILS_ROOT: C:/ruby/letter4sure
Application Trace | Framework Trace | Full Trace

app/controllers/letters_controller.rb:184:in method_missing' app/controllers/letters_controller.rb:184:indownload’
-e:2:in `load’
-e:2

c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:1158:in
send' c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:inrequire’
script/server:3
-e:2:in `load’
-e:2

Request

Parameters:

{“id”=>“77”}

Show session dump


:expires_at: 2008-07-14 15:01:23.454000 -04:00
:csrf_id: ac3da650bca5dc0064b04b6f2b9c6632
:refer_to:
:user_id: 1
:return_to: /letters/download/75
flash: !map:ActionController::Flash::FlashHash {}

Response

Headers:

{“cookie”=>[],
“Cache-Control”=>“no-cache”}

It works if I comment out the setEncryption method. When I attempt to
encrypt in the java file and then send the pdf I get the same error. :

NoClassDefFoundError in LettersController#download

org/bouncycastle/asn1/ASN1OctetString

RAILS_ROOT: C:/ruby/letter4sure
Application Trace | Framework Trace | Full Trace

app/controllers/letters_controller.rb:172:in method_missing' app/controllers/letters_controller.rb:172:indownload’

What is going on here? I went to itext so I could send encrypted
files…

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