Questions tagged [cipher]

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Converting a list of ciphers to OpenSSL's “CIPHER LIST FORMAT”

I am using Naviserver's nsssl module and it expects the list of TLS ciphers to be in OpenSSL's "CIPHER LIST FORMAT" e.g. ns_param ciphers "ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+...
12
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1answer
4k views

How to wipe unallocated disk space in Windows

Due to the nature of how filesystems like NTFS work, files that are deleted "permanently" from within Windows aren't immediately deleted - they're simply marked as deleted from the Master File Table (...
0
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1answer
173 views

Windows 10 TLS/SSL weird issues (BAD_MAC_READ, programs queries interupted, …)

I recently finished to assemble my new PC and installed a Windows 10 Pro from the Microsoft utilitary tool. All went fine, but suddenly, after like a week, errors began to pop in : On Firefox (...
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2answers
75 views

What's the most secure cipher for ssh that can send files at USB3 speeds? (~480Mbps)

I have a gigabit connection between my PC and my server (iperf3 tests show ~930Mbps) and I want to be able to transfer large files as fast as possible. The hard drive on the server is connected via ...
1
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1answer
165 views

How to Zero out free space on a pen drive on Windows?

I am looking for commands or methods whereby I can just write all zeros to the free space on a Pen drive on Windows OS. The existing files should not be affected. There's a built in command called '...
2
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1answer
407 views

Windows 7 EFS, where are the FEK stored?

I feel confuse, I read from many technical doc from Microsoft and wiki. The FEK is generated for each file, and store in the file headers. But refer to this blog windows-7-how-to-use-cipher-exe-a-...
0
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1answer
124 views

Why is windows 10 encrypting so many files?

My current status: Paranoid. Monday night I had a friend over and we were making travel plans on my computer. A message appeared at some point asking about backing up encrypted files. I stupidly ...
4
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1answer
1k views

Windows built-in Cipher secure wipe

How secure is the bulit-in Cipher utility that can wipe out unrecoverable data on old harddisk?
6
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3answers
9k views

Can Windows 7 cipher.exe securely wipe USB drive?

Using the command line tool cipher.exe built into Windows 7, can it be used to securely wipe a USB attached drive?