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19
votes
3answers
2k views

Is it possible to sign a file using an ssh key?

I use SSH (OpenSSH 5.5p1 on Linux, to be precise). I have a key, on which i have a passphrase. I use this for the usual logging in to computers stuff. Can i also use it to sign files? As i ...
17
votes
9answers
44k views

How can I sign a PDF document quickly and cheaply?

I need to sign a PDF document. However, Adobe Reader does not let me sign documents. I just need to sign the document, not edit it. Do I need to buy the full Acrobat software? Or is there a better, ...
15
votes
4answers
30k views

Can I use a different signature in Outlook for internal versus external mail?

Our company requires use of a specific signature (with an image) for external e-mail and would like to use a different signature for internal e-mail (without an image). Is this possible with Outlook ...
14
votes
3answers
12k views

How to manually insert signature in Thunderbird? (impossible?)

How can I manually insert a signature in Thunderbird when I am busy composing an email? I don't find the option/action in any of the menus (specifically not under Insert, as I would expect). (Note: I ...
10
votes
5answers
5k views

If Mac code signing is tampered with, what might fail?

What annoyances or real problems may occur when the digital signature of a Mac application is broken? Applications on a Mac can be digitally signed. When the signature is somehow broken, I know a few ...
7
votes
4answers
4k views

How do I mask the Firefox browser signature?

Does anyone know of a way to mask the Firefox browser signature, so that it looks like Internet Explorer to the rest of the world? I know there is a plugin to use the IE rendering engine, but that ...
4
votes
1answer
11k views

Windows cannot verify the digital signature for the drivers required for this device

I run Windows 7 64-Bit and I have a USB Device with a 64-Bit Driver, but no signature. It has a device manager entry with a yellow exclamation mark and this warning: Windows cannot verify the ...
4
votes
2answers
2k views

How can I digitally sign a PDF document quickly and cheaply?

I need to digital sign a PDF document. However, Acrobat reader does not let me sign documents. I just need to sign the document, not edit it. Do I need to buy the full Acrobat software? Or is there ...
3
votes
1answer
704 views

Stop Thunderbird adding two hyphens above a signature

I use Thunderbird for sending e-mails, but its signatures are inconsistent. If you send a new e-mail it will add two hyphens above your signature, but when you send a reply it doesn't. I'd like to set ...
3
votes
5answers
10k views

Inserting a signature automatically into an Outlook Calendar meeting request

Is there a way to automatically have a signature inserted into a Microsoft Outlook Calendar request, as one can do with emails?
2
votes
1answer
2k views

How do I hyperlink an image in my Outlook2003 signature?

I have my company logo in my Outlook2003 signature and I was wondering how can I turn that image in to a hyperlink, so it links to my company's website?
2
votes
3answers
3k views

Thunderbird keeps caching web image in signature

I have an HTML signature with a web-based image. The image changes about once a month, but Thunderbird keeps using an old image. I believe it's being cached somewhere. Any ideas on how to ensure ...
2
votes
3answers
3k views

I can not install com0com, a digitally signed driver is required

I tried to install com0com - a null modem emulator - on Windows Vista, but failed because Windows Vista doesn't let me install a driver that is not digitally signed. I followed these instructions ...
2
votes
1answer
423 views

What is the effect of dlls not being signed

On running SigCheck on my Windows box, I noticed quite a few dlls that are unsigned. For eg: c:\windows\system32\amdocl64.dll: Verified: Unsigned File date: 10:47 AM ...
2
votes
1answer
444 views

Hiding email signatures in Outlook

Is there any setting or plugin that's capable of detecting and hiding most signatures so that threads become much more readable? I suppose the best answer to this need would be something that hides ...
2
votes
3answers
14k views

Keyboard/mouse shortcut for Inserting signature in Outlook 2003?

Is there a quick keyboard or mouse shortcut to insert your signature in a reply email in Outlook 2003 SP3?
2
votes
1answer
3k views

Mozilla Thunderbird: Customizing automatic signature placement in e-mail replies

I have a signature block that I automatically insert into my e-mails. Works fine except for one thing: The signature block is inserted at the bottom of the e-mail, after any text that is included in ...
2
votes
1answer
50 views

gpg: Can't check signature (FreeBSD)

I follow this SA https://www.freebsd.org/security/advisories/FreeBSD-SA-14:18.openssl.asc [FreeBSD 10.0] <= My FreeBSD version fetch <link>/openssl-10.0.patch fetch ...
2
votes
1answer
3k views

Change the email signature in Outlook 2007 based on the recipient

I work for an international company and work with people speaking a lot of different languages. When I email people who speak another language it would be nice if my email signature would ...
2
votes
0answers
261 views

Outlook HTML signature with external text

The company I work for has implemented new signatures to be used with Outlook 2010. Our company is also present at many exhibitions a year, and we would like to let our clients know just that. The ...
2
votes
0answers
9k views

Lotus Notes 8.5 HTML signature with image, image not shown on receiver's side

I have the following problem with Lotus Notes email HTML signatures with image. The code for HTML signature is this: <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> ...
2
votes
1answer
126 views

What source document format can be exported to PDF and generate digital signature fields?

My team wants to send out to 3rd parties a contract in PDF format, with digital signature fields that could be signed using Adobe Reader. Every time we add a new 3rd party to the contract, we are ...
1
vote
1answer
7k views

Outlook Signatures for Plain Text and HTML

Is it possible to have Outlook pick a signature to use based on the email style formatting (HTML or Plain Text)? For example if it was HTML the company logo will show, if it isn't the company name ...
1
vote
2answers
110 views

Looking for a cross platform/portable program that spews out cryptographic hashes of a file

I am looking for a program, that should be source portable across Windows and Linux ( for eg. ANSI C, etc ) that generates cryptographic hashes like MD5, SHA, etc as well as CRC32 of a file/list of ...
1
vote
1answer
7k views

put image in thunderbird signature

I would like to put a small image in my Thunderbird signature. I edited signature.html to add the false stuff, but the image still doesn't appear. <img moz-do-not-send="false" alt= etc. etc.> ...
1
vote
1answer
32 views

How much information is included with a GPG signature?

Let's say you verify someone's signature with GPG: $ gpg --decrypt statement.txt.sig "I am not a crook." gpg: Signature made 17 Nov 1973 9:31:50 AM CDT using RSA key ID 92861D99 gpg: Good signature ...
1
vote
1answer
426 views

About the security of adding a signature to a PDF file

We can add a "bitmap" or image signature to a PDF file, either by using Adobe Acrobat or by Mac's Preview app, but I wonder, besides always encrypting it with a password before sending it by email to ...
1
vote
1answer
4k views

Create a header in outlook

I am setting up my mosses email accounts on outlook 2007. He was wondering if its posible to have a default header on each new email, just like a signature? So when he composes a new email the shop ...
1
vote
1answer
371 views

Why is there no signature separator “--” when responding, but it appears in a new message?

I'm using Thunderbird 10.0.2 on Mac and have a simple text signature. When I write new message, Thunderbird automatically adds -- before the signature, but when I click on reply to a message, it ...
1
vote
1answer
136 views

Viewing hd location of installed certificates in firefox

I recently installed a digital id/certificate from verisign and was wondering if there is a way to view the certificate location on my computer. I installed it according to their instructions through ...
1
vote
0answers
26 views

Thunderbird reply break

By default, thunderbird puts no breaks between the content and the signature when composing a new message. content signature If I put a single break in my signature, when I compose a new message ...
1
vote
0answers
138 views

Signature is missing when replying to Calendar invites

When someone replies to a calendar invite, the recipient does not see the users signature. Any idea why this happens?
1
vote
0answers
139 views

How can I add a signature field in a PDF? (not a digital signature)

We have a PDF Form on an Android tablet and we want to be able to choose it and sign it right then and there with a stylus or finger. Not a digital signature but an ordinary signature. Is this ...
1
vote
0answers
430 views

How do I keep the text language, direction, and alignment the same when replying to html emails and inserting a signature?

One of my users has the following issue in Outlook 2003: When she creates a new message with her signature automatically appended, the text direction is right to left as it should be (all the ...
1
vote
0answers
151 views

Polymorphic Viruses - What happened in history? [closed]

About 10-15 years ago, the next "big deal" in anti-virus protection was the polymorphic virus, which mutated, and everyone was saying that it would be hard to defend against because of that. Yet, ...
1
vote
0answers
271 views

Outlook, Config file for users and signatures

I'd like to create a program which format signature in Outlook 2007. For this, I need know where Names Accounts are located in Windows 7? I also need to know where is the config file for signatures? ...
1
vote
0answers
100 views

Hyerlink Images in Outlook 2003 Signature

How do you add multiple hyper-linked images in the signature using Outlook 2003? It works when adding one image, however not with 2 or 3 different hyper-linked images.. Any suggestions?
0
votes
2answers
116 views

the encoding mechanism

can i know what the encoding mechanism is used here to encode the key below ? -----BEGIN PGP PUBLIC KEY BLOCK-----Version: SKS ...
0
votes
1answer
646 views

Digitally Signing Software - self signing cerificate

I'd like to experiment with signing a software executable. I am afraid that there is something that escapes me. I will get to the point where I will acquire a certificate from a CA, but before then I ...
0
votes
1answer
163 views

Outlook: Can I download or see the code of an signature html file from an mail?

What I've wrote in the title: Can I download or see the code of an signature html file from an mail in Outlook :) ?
0
votes
1answer
575 views

Use a picture as signature in Mac OS X Mail

I would like to add a default signature in Mac OS X Maill application (Snow Leopard), where the signature is a PNG or JPG or some other picture. How can this be done? I did not find any option for ...
0
votes
1answer
169 views

Can I use GnuPG to verify that a file is unmodified and comes from the correct sender?

Can I use GnuPG to verify that a file is unmodified and comes from the correct sender? Let's take a simple use case: I have this file with some important content, let's say it is in a .tar.gz file. ...
0
votes
3answers
2k views

How can I use HTML/CSS to add a background image to an email?

I've been trying to get background images working in my Email HTML and have had no luck. I'm using Outlook 2007 to test my HTML code. My method is: Create my .htm file Save it in ...
0
votes
2answers
5k views

How to reply with stationery in Outlook 2010?

Is it possible to set a default stationery to use when replying to messages in Outlook 2010? Our stationery includes the company letterhead which should be included with all messages. Previously, we ...
0
votes
1answer
416 views

how to backup outlook express signature

i know how to backup outlook signature but can i know how can i transfer outlook express signature to other computer? the signatures are not text, its HTML signature with some image. Thanks
0
votes
1answer
532 views

comodo pdf sign doesn't verify in adobe, using JSignPdf

I am using jSignPDF to sign PDF with a PKCS12 i purchased from COMODO INC. But when viewing the signature in Adobe Acrobat i get, "Signature Verification Failed". How can i sign a PDF and get the ...
0
votes
1answer
3k views

Convert email signatures to Google contacts automatically?

is there a Google gadget that can harvest email signatures and add them to my contacts? Doesn't have to be a gadget, can be anything. just something to take my email signatures and put them into the ...
0
votes
1answer
2k views

Images are not preserved in Outlook HTML signature

I have created the following HTML signature file for my Windows mail: <table border="0" cellspacing="0" cellpadding="0"> <tr> <td>Regards</td> ...
0
votes
1answer
23 views

Verify signed file using GPG by passing in signature hosted online rather than stored locally (i.e. in keyring)?

Is it possible to pass the URL of a GnuPG signature when executing a verify query against a signed file? For example, instead of: gpg --verify file.txt Is there a variation of something like: gpg ...
0
votes
0answers
129 views

How to avoid extra white space below paragraph in email signatures

I'm creating our company email signature in HTML. I realize that the signature will not look 100% identical on every email client (that's an understatement), but my current signature looks pretty ...