Questions tagged [encryption]
encoding information in a way so that it can only be decoded if a secret is known; used to prevent exposure of data to other parties
909 questions
0
votes
1
answer
26
views
Journal or Diary App thats both secure and customizable
Looking for a private journal app that is customizable in font size and style and similar functions to Libra writer. Why you ask? I am a Tinkerer, and a Philosopher of sorts, and am looking for that &...
0
votes
1
answer
43
views
When do you have to check the fingerprint of a PGP key in an independent way during initial contact?
For brevity I talk about PGP, but GnuPG or OpenPGP are meant as well and gpg is the OpenPGP encryption and signing tool for it.
When initially establishing an email connection with someone, both ...
- 303
1
vote
0
answers
18
views
Updating macsec key on two Linux hosts using 'ip macsec' commands
I'm trying to do a simple task with no luck so far.
I have two linux hosts communicating using macsec interfaces:
Host1:
[Expert@jaguar_macsec-s01-01:0]# ip macsec show
11: Sync: protect on validate ...
- 11
2
votes
1
answer
43
views
Unable to unlock multiple LUKS partitions with one passphrase
I'm using Ubuntu with a LVM over LUKS disk scheme. I have two SSDs, hence two LVM PVs are needed. They are both encrypted with LUKS, and have the same passphrase.
Now on boot-up, I need to type the ...
- 157
0
votes
0
answers
27
views
Is it safe to mount the same gocryptfs directory from multiple places at once?
If I put a gocryptfs crypt directory on an NFS share, is it safe to mount that share from multiple machines and simultaneously run gocryptfs on that directory from multiple places? I want multiple ...
- 199
2
votes
1
answer
46
views
ssh-keygen 9.9p1 created PKCS#1 encrypted RSA private key fails to use available 3DES encryption - uses aes-128-cbc instead
I'm trying to import an RSA key pair onto an older version of Cisco IOS (16.6.4). That old version seems to only accept PEM-encoded private keys that are encrypted with DES or 3DES. At least, those ...
0
votes
1
answer
118
views
openssl file encryption (private encrypted RSA key and public key)
I generate private encrypted RSA key:
openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:2048 -out key_enc_private.pem -aes256
Then I extract public RSA key:
openssl rsa -pubout -in ...
- 131
0
votes
0
answers
79
views
Desperate and sleepless, after days of attemps still can't auto-unlock LUKS with TPM, I want to cry, what am I doing wrong?
Firstly, greetings and I hope you the reader is doing well.
I have spent the last five days barely sleeping. I have been doing search engine research on many IT sites including Stack Exchange and also ...
1
vote
0
answers
45
views
Cannot decrypt Linux Mint files on log in
I have a dual boot laptop with Windows and Linux mint. In the Linux Mint partition I encrypted the file storage and this has been working fine for 4+ years, it decrypts on log in. Yesterday some ...
- 111
0
votes
1
answer
73
views
Decrypt a txt file back to an image file using AES
I'm trying to decrypt a text file and the information I have so far is that the mode used was CBC and AES as the encryption method and I was also given a secret key vanessa.
This is the original file ...
0
votes
1
answer
74
views
"openssl genpkey" can't use option "-cipher des3"
Trying to create RSA key via openssl:
openssl genpkey -algorithm RSA -cipher des3 -outform PEM -pkeyopt rsa_keygen_bits:2048 -out myCA.pem
This output:
genpkey: Use -help for summary.
If I remove -...
- 443
0
votes
1
answer
35
views
Does dm-crypt waste device space?
That is, when a device-mapping is created manually with the dm-crypt target, is the resulting device smaller than the backing device?
What is the missing space used for?
Will the answer change ...
0
votes
2
answers
95
views
Why does connection work despite specifying for it a hmac-sha1-etm MAC that is not configured on server side?
I've seen other topics regarding similar issue and while configuration seems to work fine with specified MACs, SSH connection which uses an unspecified MAC still works while I would expect it to not.
...
- 11
0
votes
1
answer
46
views
Passing an unlocked LUKS partition context from GRUB to Linux?
Question
In GRUB one can use the cryptomount command to mount a LUKS partition.
Is there a way to pass this decrypted partition to linux such that it appears as a device mapper (/dev/mapper/xxx) entry ...
- 711
0
votes
0
answers
71
views
Forward traffic from docker to host
I have a docker acting as VPN server in a host. Then, the traffic passes trhough the eth0 of the host from a VPN client, then encrypted traffic, and finally arrives to the tun0 in the docker. What I ...
- 101