Digital Signatures are used for encryption. If you want to incorporate digital signatures to protect your electronic signatures in some way, you'd need to provide that capability through your own customizations / integration.
The Wiki page calls out the distinction: A digital signature or digital signature scheme is a type of asymmetric cryptography. For messages sent through an insecure channel, a properly implemented digital signature gives the receiver reason to believe the message was sent by the claimed sender. Digital signatures are equivalent to traditional handwritten signatures in many respects; properly implemented digital signatures are more difficult to forge than the handwritten type. Digital signature schemes in the sense used here are cryptographically based, and must be implemented properly to be effective. Digital signatures can also provide non-repudiation, meaning that the signer cannot successfully claim they did not sign a message, while also claiming their private key remains secret; further, some non-repudiation schemes offer a time stamp for the digital signature, so that even if the private key is exposed, the signature is valid nonetheless. Digitally signed messages may be anything representable as a bitstring: examples include electronic mail, contracts, or a message sent via some other cryptographic protocol. Digital signatures are often used to implement electronic signatures, a broader term that refers to any electronic data that carries the intent of a signature,[1] but not all electronic signatures use digital signatures.[2][3][4] In some countries, including the United States, and in the European Union, electronic signatures have legal significance. However, laws concerning electronic signatures do not always make clear whether they are digital cryptographic signatures in the sense used here, leaving the legal definition, and so their importance, somewhat confused. http://en.wikipedia.org/wiki/Digital_signature -David J. Easter Sr. Product Manager, Solution Strategy and Development BMC Software, Inc. The opinions, statements, and/or suggested courses of action expressed in this E-mail do not necessarily reflect those of BMC Software, Inc. My voluntary participation in this forum is not intended to convey a role as a spokesperson, liaison or public relations representative for BMC Software, Inc. ________________________________________ From: Action Request System discussion list(ARSList) [arsl...@arslist.org] On Behalf Of Narayanan, Radhika [radhika.naraya...@logica.com] Sent: Tuesday, July 14, 2009 7:14 AM To: arslist@ARSLIST.ORG Subject: Re: Digital Signatures Hi David, Thank you for pointing me to the document. There is a note in the document that says "AR System provides electronic signatures but not digital signatures.". How can we integrate a 3rd party digital signature with Remedy? Thanks Radhika Ph: +44 20718 20262 -----Original Message----- From: Action Request System discussion list(ARSList) [mailto:arsl...@arslist.org] On Behalf Of Easter, David Sent: Tuesday, July 14, 2009 7:32 PM To: arslist@ARSLIST.ORG Subject: Re: Digital Signatures There's a white paper on this found here: 10-May-2008 How to use AR System and Approval Server to support a compliance audit that requires proof of signatures by responsible parties. PDF<http://documents.bmc.com/supportu/documents/14/12/91412/91412.pdf> -David J. Easter Sr. Product Manager, Solution Strategy and Development BMC Software, Inc. The opinions, statements, and/or suggested courses of action expressed in this E-mail do not necessarily reflect those of BMC Software, Inc. My voluntary participation in this forum is not intended to convey a role as a spokesperson, liaison or public relations representative for BMC Software, Inc. ________________________________ From: Action Request System discussion list(ARSList) [arsl...@arslist.org] On Behalf Of HonnourPrahalladachar, PhaniRaja [phaniraja.honnourprahalladac...@logica.com] Sent: Monday, July 13, 2009 11:16 PM To: arslist@ARSLIST.ORG Subject: Digital Signatures ** Hi List, How can we integrate digital signatures with Remedy? Specially with approval process? Environment: ARS 7.1, ITSM 7.0.3, Windows 2003 Regards, Phani Raja H.P. Please help Logica to respect the environment by not printing this email / Pour contribuer comme Logica au respect de l'environnement, merci de ne pas imprimer ce mail / Bitte drucken Sie diese Nachricht nicht aus und helfen Sie so Logica dabei, die Umwelt zu sch?tzen / Por favor ajude a Logica a respeitar o ambiente n?o imprimindo este correio electr?nico. 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