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I’ve got a locked Samsung Galaxy Note 10+ 5G (running the latest android 10 and patches)
The phone is locked with a pattern (unknown)
What are my chances of any data extraction with cellebrite or other forensics tools while I can not unloc… Continue reading Samsung Galaxy Note 10+ 5G – cellebrite mobile forensics data extractions – locked with pattern
I’m wondering if the following system would be a secure way to store frequently duplicated files.
Hash the source file, deterministically derive a key from it.
The source file(s) are likely to be high entropy (PDFs, archives of multiple … Continue reading Key derived from source files; deduplicated file storage
I have a file which is encrypted using AES 128 and I have a key file whose size is 48 bytes. How can I decrypt the file using the key file?
The key file has no extension, I opened it in notepad and it has bizarre text.
I have IV as 0x496da… Continue reading Decrypt AES 128 encrypted file with a key file
I’ve seen age being recommended at various locations but I haven’t seen anything related to its security. I’m not a crypto nerd but I was thinking about it and wondered what it’s state of security is. There is no audit (as far as I know) (… Continue reading Age encryption tool [closed]
So I created a veracrypt file hosted volume/container and had a hidden volume inside to try it out(totalling 1GB). After a day or two, I permanently deleted the container file (after dismounting it) but i lost the equivalent amount of spac… Continue reading I lost 1GB of storage in C drive after deleting a veracrypt volume. How can i recover this lost disk space? [migrated]
I have an Ubuntu VPS running at a remote host. The disk is not encrypted but I have a specific directory that is encrypted for which I must provide a password via an SSH session (not stored anywhere on the VPS) to "unlock" it so … Continue reading Can a host access a VPS disk’s encrypted directory directly while running?
I am trying to force encryption when transferring a file to a removable storage, but I could not figure how.
The scenario is that a user plugs in a USB memory stick which may already contain some files.
The user tries to copy a file from t… Continue reading How to force encryption when transferring a file to a removable storage device in Linux [closed]
After running cipher.exe on my entire C: drive, I’m still able to recover deleted files using recuva. In fact, doing a before and after, I see no discernible difference in the files that are able to be recovered after using cipher.
Accordi… Continue reading Still able to recover files after running cipher.exe on windows 7
I’m working on an offline windows application that generates and loads key results as files. However, these files provide key insights into how our product works internally. To make matters worse my users will for sure be tech-savvy but no… Continue reading How to protect IP-sensitive data in files generated and used by users
Let’s say that I have an unencrypted file and I’m trying to encrypt it and make sure the original file can not be recovered from my disk. If I, for example, create an archive, put the file into it and encrypt the archive it seems pretty ob… Continue reading How can one encrypt a file and be sure the original file can not be recovered on a SSD?