Best practices in Certifying and Signing PDFs

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Talk by Paul van Brouwershaven, Business Development Director EMEA at GlobalSign (iText Summit 2012).

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Best practices in Certifying and Signing PDFs

  1. 1. over 10 years of securing identities, web sites & transactions Best  prac*ces  in  Cer*fying   and  Signing  PDFs     Paul  van  Brouwershaven     Business  Development  Director  EMEA,  GlobalSign   @vanbroup  on  TwiEer  
  2. 2. INTERNATIONAL  FOOTPRINT   Customers  spanning  all  industries   www.globalsign.com
  3. 3. GlobalSign  History   §  Founded in 1996 by BE Chambers of Commerce, ING Bank & Vodafone. §  Acquired by GMO Internet Inc (ticker symbol Tokyo PROVEN TRA CK RECORD Issued over 1.4 m digital certificates / digi tal IDs to people , web sites & mac hines Issued over 20 Stock Exchange: 9449) & re-launched in 2006 as 0,000 SSL Certificates true worldwide operation. §  GMO parent to over 50 Internet technology & hosting companies, including largest hosting company in Asia. §  Current shareholders include Yahoo!, Morgan Stanley & Credit Suisse. Over 20 mil lion certificates worldwide rely on the public tr ust provided by the GlobalSign root §  GlobalSign is Digital Certificate security division of global group. §  Web services & offline services for provisioning Digital Certificates for enterprise, Government, developers, hosting & Cloud services. www.globalsign.com
  4. 4. GlobalSign  Products  |  Visible  Trust  in  an  online  world   Server, Database & Network Security SSL Certificates Managed SSL Automated SSL for Web Hosts SSL Reseller Program One-Click SSL Developer Solutions Code Signing Embedded SSL Secure Email Digital IDs for Individuals Digital IDs for Depts Managed Digital IDs eDocument /File Security & Compliance Adobe CDS for PDF Microsoft Office Encrypting File System (EFS) PKI & Root Signing Trusted Root for CAs www.globalsign.com
  5. 5. Digital  Cer*ficates  –  An  Introduc*on   www.globalsign.com
  6. 6. Authen*city  and  Integrity   www.globalsign.com
  7. 7. A  normal  cer*ficate  VS  an  Adobe  one   www.globalsign.com
  8. 8. Adobe  Cer*fied  Document  Services   •  GlobalSign is an authorized Adobe CDS provider • Web-Trust Certified, third party Certificate Authority • Governed by Adobe Certificate Policy • Only CDS issued digital IDs are instantly trusted in Adobe Reader 7.0+ (SHA-256) www.globalsign.com
  9. 9. “Meet  or  exceed  FIPS  140-­‐1  Level  2”   “Subscriber key pairs must be generated in a manner that ensures that the private key is not known by anybody other than the Subscriber or a Subscriber’s authorized representative. Subscriber key pairs must be generated in a medium that prevents exportation or duplication and that meets or exceed FIPS 140-1 Level 2 certification standard.” www.globalsign.com
  10. 10. EV  Code  Signing  -­‐  Private-­‐Key  Protec*on   EV Guidelines state: Code signing keys are to be protected by a FIPS 140-2 level 2 (or equivalent) crypto module. Techniques that may be used to satisfy this requirement include: §  (A) Use of an HSM, verified by means of a manufacturer’s certificate; §  (B) A hardware crypto module provided by the CA; §  (C) Contractual terms in the subscriber agreement requiring the Subscriber to protect the private key to a standard equivalent to FIPS 140-2 and with compliance being confirmed by means of an audit. www.globalsign.com
  11. 11. Adobe  Cer*fied  Document  Services   •  Allows recipients of PDF documents to know: •  who signed the document •  the content is intact •  the time the document is signed •  Recipients only need to have the free Adobe Reader 7.0+ (installed on >800M computers worldwide) Strong Authentication Data Integrity Non Repudiation Recipients of Certified PDFs need no special software, plugins, or special configuration!!! www.globalsign.com
  12. 12. Simple  and  effec*ve  GUI   Modified Unknown Certified Signed Changed Author Trusted www.globalsign.com
  13. 13. Without  *me  stamping  and  CRL  Services   Certification without time stamping and CRL Services. The validity of the signature expires with the validity of the digital certificate used to sign the document. 2011 2012 2013 2014 www.globalsign.com
  14. 14. What  about  revoca*on?   With a “Revocation Event” the validity of the signature expires with the revocation of the digital certificate. 2011 2012 2013 2014 Basic Signatures are not suitable for Long Term Validation signing (Documents) www.globalsign.com
  15. 15. ETSI  TS  102  778     With “Services” the validity of the signature applied to the document never expires even if there is a revocation event. 2011 2012 2013 2014 Part 1: "PAdES Overview - a framework document for PAdES"; Part 2: "PAdES Basic - Profile based on ISO 32000-1"; (Best Practice) Part 3: "PAdES Enhanced - PAdES-BES and PAdES-EPES Profiles"; Part 4: "PAdES Long Term - PAdES-LTV Profile"; Part 5: "PAdES for XML Content - Profiles for XAdES signatures". www.globalsign.com
  16. 16. Where  do  customers  use  CDS?   www.globalsign.com
  17. 17. Electronic  Invoicing  in  the  EU   §  A constantly changing landscape §  No single EU wide solution for compliance* §  Recommendations by PWC for 2013 already changing the requirements on a country by country basis. §  No consistent approach to preserve authenticity and integrity for ‘Archive and Storage Purposes’ offering the possibility of legal recourse. (AMEX) §  *Adobe CDS offers the only Pan European (Global) authenticity and Integrity validation system. All other systems require a separate system/service that is not automatic, nor guaranteed. §  QES (Qualified Electronic Signature) §  Automatic legal standing in EU. §  Issued on a SSCD §  Generally issued from a government root CA. §  Not usable for Time stamping services. §  AES /AdES) (Advanced Electronic Signature) §  Unique to the signatory; §  §  Identifying the signatory; Created using sole control; §  Linked to the data to which it relates. Change of the data is detectable; The Amex legal case and subsequent lessons learnt? http://www.legalethics.com/include/content/amex012406.pdf www.globalsign.com
  18. 18. Electronic  Invoicing  –  Is  it  legal?   2A. Acceptance of ‘advanced e-signatures’ to send e-invoices (■ = yes / ■ = no ) 2B. If yes, can AES be used without obligation to use a qualified certificate (■ = yes or not applicable / ■ = no) 2C. If yes, are qualified certificates from other EU Member States accepted (■ = yes / ■ = subject to conditions) 2D. If yes, can AES be used without obligation to use a secure signature-creation device (■ = yes / ■ = no) 2E. If yes, can the recipient process the invoice without verifying the signature (■ = yes / ■ = no) 3A. Other means than AES or EDI accepted? (■ = yes / ■ = only “other" electronic signatures / ■ = no ) 3B. If yes, can other means be used without prior approval? (■ = yes / ■ = in some cases / ■ = no ) 3C. Unsigned pdf invoice accepted? (■ = as an e-invoice in case authenticity and integrity are guaranteed by other means / ■ = as a paper invoice ■ = no ) Assumes VAT supply country is consistent www.globalsign.com
  19. 19. Some  EMEA  Customers   www.globalsign.com
  20. 20. Possible  Architecture  (e-­‐Invoice)   Document Generation Engine (Content, Layout, Storage and other specific compliancy rules) Application of Digital Signature Archive PDF GlobalSign TSA Service To Customer Digital Certificates HSM AdES AdES (CDS) (CDS) Optional TSA (>1M) www.globalsign.com
  21. 21. over 10 years of securing identities, web sites & transactions Thank you Paul van Brouwershaven paul.vanbrouwershaven@globalsign.com

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