The process of encrypting individual files on a storage medium and permitting access to the encrypted data only after proper authentication is provided.
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4answers
4k views
What's the standard way to encrypt a file with a public key in Java?
I'm writing a client app in Java that sends encrypted data back to the server. All clients have my RSA public key. Is there a standard way to encrypt a given file with it to send it back to the ...
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vote
2answers
133 views
Seeking lightweight encryption - shareable between Delphi & C
I want to encrypt a text file in Delphi & decrypt it, line by line, in C on an embedded system which does not have much RAM (so, only one line in RAM at a time).
FOSS must be available for both ...
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votes
5answers
5k views
How secure is NTFS encryption?
How secure is the data in a encrypted NTFS folder on Windows (XP, 7)?
(The encryption option under file|folder -> properties -> advanced -> encrypt.)
If the user uses a decent password, can this ...
8
votes
5answers
2k views
How can I decrypt data with Java, without hard-coding the key?
I hope this is not a chicken-egg problem or reinventing the wheel but here goes.
I have a Java application that needs to access a password protected file (actually during the application startup).
The ...
8
votes
3answers
1k views
time to crack file-encryption password - more than just iteration
I have often seen that takes x amount of time to crack a certain length password. But this just seems to be the amount of time it takes to iterate through all the possibilities. What about the time it ...
10
votes
5answers
315 views
Security of using passwords or even passphrases to encrypt files
Is it ever appropriate to use real-world passwords to encrypt files to be sent via unsecure means.
By real world, I mean a password that is memorable and memorisable by a mere person?
I am implying ...
5
votes
7answers
964 views
Verify the password of an encrypted file without waiting for complete decryption
I am currently working on an application that encrypts files with AES 256.
The problem is that I want the user to see whether the password is wrong before the file is decrypted.
For example if you ...
2
votes
2answers
445 views
How to use 'key material' so that multiple people can access protected files?
I'm not sure if this is the right SE to ask this question, but it seems more I have a database of files that needs to be encrypted such that multiple people with different passwords/logins to this ...
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2answers
175 views
Single File Encryption in a Windows Environment
Would it be correct to assume that encrypting a single file in a Windows environment, for example a simple text file containing login credentials for a variety of accounts, is inherently insecure?
It ...
