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Questions tagged [decryption]

The process of converting encrypted content (ciphertext) into its original, readable form (plaintext).

0 votes
0 answers
22 views

How to know when filevault decryption has finished

I have turned off FileVault I want to know when it has been completed, for the moment it has not ended because time machine backup is not possible. I want to add that I have turned off and on my ...
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0 answers
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ossl_cipher_unpadblock:bad decrypt

I have a file encrypted from redhat with the script below. ---redhat script--- openssl enc -in $LOCAL_FILE -aes-256-cbc -a -d -salt -pass file:${PASS} -out ${LOCAL_FILE}.tmp.$$ when I decrypted this ...
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1 answer
5k views

Unable to decrypt from stdin: "public key decryption failed: Inappropriate ioctl for device"

If I execute gpg foo.gpg I'm given a dialog that looks like: ┌────────────────────────────────────────────────────────────────┐ │ Please enter the passphrase to unlock the OpenPGP secret key: │ ...
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2 answers
115 views

Decryption a token which is encrypted in lower OpenSSL version

We are currently using OpenSSL 1.0.1 to encrypt a token as below: Encryption: echo $TOKEN | openssl enc -aes-256-cbc -e -kfile <path of kfile> -md sha256 | base64 -w 0 Decryption: echo $TOKEN ...
0 votes
1 answer
105 views

Get owner password of pdf from qpdf decryption?

I have a pdf file which I removed the owner password using qpdf --decrypt encrypted_document.pdf decrypted_document.pdf However, I need to know what the owner password is. Did qpdf find the onwer ...
-4 votes
1 answer
656 views

Issue Decrypting File with OpenSSL: "hex string is too short, padding with zero bytes to length"

I'm encountering an issue while trying to decrypt a file using Open SSL. I have a file named fc382Crypto.bin provided by my instructor, and I need to decrypt it using the blowfish algorithm with CBC ...
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3k views

How can I read the contents of a crd file as plain text (i.e., recover my passwords)?

I lost all my passwords due to a dumb mistake I did yesterday. These passwords are really important. My computer has them saved under Windows credentials. However, I can't view passwords stored under ...
1 vote
1 answer
4k views

How to decrypt veracrypt on linux?

I have a laptop with an encrypted windows partition and want to decrypt it using veracrypt on a live linux. There seems to be no option, however, to decrypt the partition with the veracrypt gui in ...
0 votes
1 answer
141 views

In RSA or Assymetric Encryption, What EXACTLY is the purpose of the Private key? Do both hosts send their private key to each other?

First, let me know if i got anything wrong. The whole private and public key concept confuses me to no end. From what I know, basically RSA uses both public and private key. Public keys are PUBLICLY ...
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183 views

My Sandisk Ultra USB 3.0 32GB flash drive won't decrypt

I am running Windows 10 Pro 64. For some reason my Sandisk Ultra USB 3.0 32GB flash drive will not decrypt. It’s the whole drive that was encrypted I think. Its stopped working in VeraCrypt 1.26.7 it ...
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1 answer
1k views

deciphering Huawei hg8245h modem sip phone password

I have a Huawei hg8245h modem and unfortunately, I have forgotten my sip phone password and my ISP does not provide it to me. I have downloaded the modem configuration and this is the section related ...
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1 answer
3k views

Need help decrypting a Windows 7 system drive with Diskcryptor

I've had my Windows 7 64-bit Professional system drive fully encrypted with Diskcryptor, and now I'm trying to unencrypt it so that I can install several new operating systems. I used DiskCryptor to ...
13 votes
1 answer
75k views

Decrypt PGP file using ASC key

I installed the command line version of pgp and I received a .pgp file and its key in a .asc file. How can I decrypt the pgp file using command line and the asc key?
3 votes
2 answers
27k views

How to decrypt video using FFmpeg?

I've managed to encrypt my video files using the ffmpeg command below; however, I can't find a way to save the decrypted output. ffmpeg -i {file} -encryption_scheme cenc-aes-ctr -encryption_key {key} ...
0 votes
1 answer
128 views

Reinstalled OS without decrypting my drive

Processor:Ryzen 9 3900x Motherboard: Aorus x570 elite A while ago I encrypted my E:\ drive which had most of my stuff and forgot about it. I had to reinstall windows (C:) due to some issues and forgot ...

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