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Questions tagged [aes]

AES (advanced encryption standard) is an encryption algorithm which is used by organizations like U.S. Department of Defense and standardized by the NIST (National Institute of Standards and Time).

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How do I fix "WARNING: message was not integrity protected" when using GPG symmetrical encryption?

I've encrypted a file using symmetric encryption like this: gpg --symmetric myfile which results in a file myfile.gpg. Alright. Now let's decrypt the file again: gpg -o myfile --decrypt myfile.gpg I'm being asked for the passphrase I've put on,…
gertvdijk
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Is it better to use Bitlocker or the built-in-drive-encryption that my SSD offers?

My system: Intel Core i7-4790, which supports AES-NI ASUS Z97-PRO mobo Samsung 250GB EVO SSD (with built-in encryption option) 64-bit Windows 7 If I just want to encrypt my boot drive with AES256 or similar, what would be the difference / faster…
Eddie
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Is it safe to store my passwords in an encrypted .7z/.zip by 7-zip?

Here is what I do: Type in all kinds of passwords in an excel file (.xlsx) Zip it with a password by 7-zip AES 256 length > 8 combination of A-Z a-z 0-9 symbols different from any other password Upload it to Dropbox or so. Is it safe enough,…
user69835
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OpenSSL hash function for generating AES key

What hash function does OpenSSL use to generate a key for AES-256? I can't find it anywhere in their documentation. $ touch file $ openssl aes-256-cbc -nosalt -P -in file enter aes-256-cbc encryption password: (I type "a" and hit enter) Verifying -…
mk12
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How can I encrypt / decrypt AES-256 CBC with OpenSSL?

I just installed Linux (Ubuntu) for the first time and downloaded package OpenSSL as well. Opened command line too and tried some commands but none of them worked. So what I have is initial vector: 5a04ec902686fb05a6b7a338b6e07760, also have…
eyesima
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Changing encryption settings for Microsoft Office 2010/2013

Although there are Office 2013 settings to change how encryption is performed, when you encrypt Open XML Format files (.docx, .xslx, .pptx, and so on) the default values — AES (Advanced Encryption Standard), 128-bit key length, SHA1, and CBC…
iridescent
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Does Raspberry Pi 4 support AES hardware acceleration?

I have Raspberry Pi 4 B (4GB version), I wonder if it supports AES hardware acceleration (so some special instruction set for CPU for faster encryption). According to https://en.wikipedia.org/wiki/AES_instruction_set it says that architecture…
tomsk
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How to encrypt txt files with AES256 via Windows 7z command line?

I have 7z on windows , and I want to encrypt 1 txt file with AES256 via 7z command line. How can I do it please?
g319909.nwytg.coM
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Disk encryption: advantages and drawbacks of hardware disk encription vs dm-crypt

I'm going to reinstall my system (Ubuntu) on a Samsung 840 pro SSD. This disk can do AES hardware encryption. I wonder what would be the drawbacks and/or advantages of taking this approach versus using LVM full disk encryption from these…
alci
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Intel's AES-NI performance: Isn't the hard drive the bottleneck?

Will I see a performance gain with AES-NI using dm-crypt/LUKS for hard drive system encryption? Isn't the hard drive the bottleneck even without hardware acceleration?
Mark K.
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LibreSSL aes encryption incompatible with OpenSSL?

Machine A has OpenSSL 1.0.2k and I encrypt a dummy file like this: openssl enc -aes-256-cbc -salt -in plain.txt -e -pass pass:abcd1234 -out cipher.enc Machine B has LibreSSL 3.3.3 and when I decrypt the file from machine A like this: openssl enc…
RocketNuts
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OpenSSL gives "iv undefined" for AES-256-ECB

Can anyone spot why this command gives "iv undefined"? >openssl.exe enc -d -aes-256-ecb -K 8000000000000000000000000000000000000000000000000000000000000001 -in ex3.8_C.bin -out plaintext.bin -nopad iv undefined See also Basic AES decryption problem…
user358795
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How do I fix a cipher mismatch issue with sftp?

I'm running into an issue where a server was upgraded to RHEL 6.5, and we have automated bash scripts on an RHEL 5.9 install that connects through sftp and ssh commands. Now, the new server only supports the ciphers aes128-ctr, aes192-ctr, and…
Hazok
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How to use an old Kingston DataTraveler Vault Privacy USB flash drive on Linux?

My company provides me a DTVP with hardware AES encryption two years ago and the CDrom image does only contain tools for Windows and MacOS X. Kingston products now have support for Linux. Current version of documentation and FAQ for DTVP flash drive…
Yves Martin
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How to get Outlook 2013 to encrypt using AES and not 3DES

In my company we are exchanging emails with a government authority once a month and they require us to encrypt those emails with encryption algorithm AES-128, AES-192 or AES-256. For the purpose we did purchase an email digital id from Trustwave The…
codtex
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