Questions tagged [encryption]
Encryption is the process of transforming information using an algorithm to make it unreadable to anyone except those possessing special knowledge.
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Result is different between Phoronix test suite and openssl speed
I have the result from phoronix test suite openssl 3.1.0 and openssl 3.1.0 from phoronix folder. The result is different between phoronix and openssl. I don't understand how the value is calculated.
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Able to unlock BitLocker drive, but unable to obtain the 48-digit recovery key
I'm trying to obtain the 48-digit BitLocker recovery key from a failed drive. Here's what happened:
Windows 10 Professional was installed on a Samsung 980 Pro 2TB drive. The login was a local user ...
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Decrypting .PFILE files
Long story short, while trying to convert my external SSD from exFAT to NTFS, I messed something up and ended up corrupting a folder full of EFS-encrypted files. I can see the files, but accessing ...
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I have recovered data from my broken SSD, but Chrome doesn't decrypt my passwords anymore
I'm running Debian Linux and long story short I had an SSD failure. I have successfully recovered parts of my user folder, like the .config and .local directory.
I installed a new system on a fresh ...
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Bitlocker Encryption will not complete, completely locks up
I am trying to encrypt an external HDD with BitLocker, but for some reason the process crashed at 89.2%. I rebooted & removed and re-attached the disk (since bitlocker was completely locked up; ...
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When a folder is encrypted in Windows, where is the encryption data/keys stored?
I have an encrypted folder in Windows. Presumably there must be a key stored somewhere to access the data. Where exactly is the key stored? If in the registry, where in the registry?
I have an ...
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How to use the `ssh-add` session on `openssl pkeyutl -decrypt`
I converted my id_rsa private key to the RSA format using
ssh-keygen -p -m PEM -f ~/.ssh/id_rsa
explained in this answer.
I then added some handy aliases that will allow me to encrypt and decrypt ...
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Can someone help with deleted 7zip archive restore
As the title says, I recently deleted an archive in 7z on windows 11, I went into the 7zip recycle bin and can see it but i cannot restore it.. Any time I right click and hit "Restore" ...
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VeraCrypt - Permanently decrypt... - Error: VeraCrypt can in-place encrypt only a partition, a dynamic volume, or an entire system drive
I have a WD Red Plus NAS WD140EFFX - 14 TB - 3,5" drive that is encrypted with VeraCrypt AES(Twofish). It is not the system drive. I can mount the drive without a problem and the drive shows no ...
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BIOS damage/change or virus: BIOS password not appearing and bitlocker suddenly asking for encryption phrase
Approximately 2 years ago I set up my PC (Windows) as follows:
I set up a BIOS password.
I encrypted the whole system with a bitlocker
password, so I need to enter a bitlocker password.
Usually when ...
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Does AES 256 GCM have any restricted byte sequences imposed on its cypher text?
Specifically I am inquiring, if the cypher text can include a byte sequence such as 170303, which is one possible TLS record header.
Normally the application that parses the TCP byte stream delimits ...
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How to make S/MIME certificates available to mail recipients
I would like to use S/MIME encryption with our emails.
I think that I understand how things are working and I am able to send encrypted mails between people when they have all the necessary ...
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Bitlocker suddenly activated on my machine, prompting for recovery key that I don't have
I've run into a very strange problem with my Lenovo laptop (Windows 10 Home) and although people say it's not possible, it still happened.
I have been using my laptop for over two years and have not ...
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Command Line decryption of aes-256-gcm no-longer working after OpenSSL updated
Late last year (2022) I encrypted a file using OpenSSL using terminal on my Mac with a very simple openssl enc command and was able to decrypt using this command:
openssl enc -d -aes-256-gcm -in ...
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I encrypted files and folders on my USB drive and now I can't open them anymore
I used Windows encryption to encrypt files and I exported the .pfx file to that exact same drive, so I had to use a password to open files every time and it was all fine until one day when I ...