Questions tagged [cipher]
The cipher tag has no usage guidance.
19
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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 (...
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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?
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Windows built-in Cipher secure wipe
How secure is the bulit-in Cipher utility that can wipe out unrecoverable data on old harddisk?
- 41
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2
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SFTP using Ciphers and Key Exchange
Previously I was gaining access and transferring files (SSIS execute process task) with a .txt file configured as:
option batch on
option confirm off
open sftp://Username:[email protected]:22 -...
- 31
2
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1
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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-...
user193372
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1
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How to disable CBC ciphers in Firefox
The ssllabs.com browser check shows a list of cipher suites supported by my browser. Some are labeled as WEAK, I think because they do not support perfect forward secrecy.
I can disable some of them ...
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2
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246
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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 ...
- 11
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2
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Cipher + Public key - S/MIME implementation on MS Outlook
I'm trying to understand the S/MIME implementation, and maybe I'm wrong. I'm so stuck that I will try to explain ... Sign a mail works as I thought it would work.
But, I supposed that when you send a ...
1
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2
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817
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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 (...
- 123
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0
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2k
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Allow specific weak cipher in Chrome
I have to connect to a system that uses a weak TLS cipher :
TLS_RSA_WITH_AES_256_CBC_SHA.
This is an embedded web server in a physical appliance and there is no firmware available to change that ...
- 11
1
vote
1
answer
673
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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 '...
- 1,708
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How to include key exchange algorithms required to connect to router using OpenSSH client?
With OpenSSH_8.9p1 for Windows, I'm trying to connect to a NuCom router NC-WR764TGV:
ssh [email protected]
Output:
Unable to negotiate with 192.168.1.1 port 22: no matching key exchange method found.
...
- 184
0
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2
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120
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If a harddisk has format errors, would running disk wipe on it still wipe everything?
If a hardisk is connected via USB to Windows and I attempt to open it, Windows says it needs to be formatted before it can be used. If I ignore this message and run disk wipe on it (like the cipher ...
0
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1
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255
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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 ...
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1
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How to check which ciphers are included in "HIGH" ciphers constant
From the documentation I found
HIGH
"High" encryption cipher suites. This currently means those with key lengths larger than 128 bits, and some cipher suites with 128-bit keys.
The ...
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