Questions tagged [encryption]

Encryption is the process of transforming plaintext using a cipher to make it unreadable to anyone except those possessing the key.

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What type of different encryption techniques are used by contemporary armies [closed]

Please guide me. if there is any paper, research or presentation kindly share
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How to sell a new idea – “100% secure communication”, feedback wanted [closed]

I have thought of an idea (new product) to have 100% secure communication between 2 parties and would like your feedback/ideas on how to sell it. Oh, before you start that there is no such thing as ...
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How to figure out the four digit for American express having all the numbers besides the card or the 4 digit [closed]

How to figure out the 4 digit code for expiration without having the physical card in hand
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does anyone know how this text is encrypted? [closed]

Im trying to solve a copher challange, but i have no idea on this question. does anyone have any ideas on the encryption method used here? Dvoo wlmv, blf'ev hloevw xrksvi xszoovmtv mfnyvi gdl. Gsrh ...
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Hashing, then encrypting the data combined with the hash, using the hash as the key [closed]

I have the following idea for a hash algorithm: Take a string called string. Hash it and get hash. Insert (uniformly? randomly? in a pattern based on some value of the hash itself? something more ...
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Encrypted key..very small [closed]

If I was given an encrypted key (presumably a private key) and it was only 64-bits in len, how would one go about decrypting it without the password? In addition to cracking it, I am trying to ...
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How is it technically possible for Apple to unlock the San Bernardino shooter's iPhone? [duplicate]

If the iPhone of the San Bernadino shooters is locked, how would it even be possible for Apple to acquiesce to the FBI's request for them to unlock the phone? Does that mean Apple has some kind of "...
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which is the best way to encrypt internet? [closed]

i want to know which is totally end to end encrypted methods for internet surf ..? like vpn .. i heard that nsa cracked vpn .. is there any other method for private internet surfing?
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Is it true that breaking into the https padlock settings on a web page is easy to do? [closed]

I found some posts on this forum that explained that https settings are possible to crack. see here. Why is it possible to sniff an HTTPS / SSL request? And here is another post that mentions ...
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1answer
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How to encrypt/decrypt with only encryption hardware?

Alice and Bob have agreed a symmetric key to be used for encrypting messages to be sent over an insecure (wrt a passive adversary) communication channel. Both of them have hardware devices for ...
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3answers
816 views

Which encryption algorithm allows for the less output data than source data? [duplicate]

I am trying to figure out how to get my source information to compile smaller using encrypted text. This could potentially change the game in transferring large-chunked data and offer security at the ...
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3answers
870 views

PHP web application security [closed]

I am building a PHP web application, that needs enhanced security, due to the fact that it contains very sensitive information (in a database). I think that I want to use self-signed SSL ...
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6answers
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Relative merits and risks of encryption and OS security [closed]

There are many aspects to computer security and many threats to address: poisoned DNS, worms, trojans, viruses, rootkits, firmware malware, etc. One of the biggest software vulnerabilities is buffer ...
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2answers
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Is this Python program secure?

Note: I'm new to information security practices so feel free to point out anything I could be doing better. Situation : I'm currently creating an encryption system for instant messaging and I want to ...
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1answer
124 views

Does Server Mistrust improve security? [closed]

By server mistrust, I mean the fully implemented lack of customer plaintext on a vendor's system, and lack of vendor access to customer plaintext. Specific case in question: Password and SSH key ...
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1answer
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Can I develop an SSH client for iPad in Sweden and sell it in Apple App Store? [closed]

I wonder, if I am allowed to develop an SSH client for distribution through Apple App Store without breaking any export regulations? I don't really know much about the encryption algorithm. Below is a ...
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Does WhatsApp use asymmetric encryption?

I know that WhatsApp uses some kind of encryption to encrypt messages, but is it asymmetric encryption? If not what kind of encryption does it use?
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Why is RIPEMD160 not avaible in VeraCrypt anymore? [closed]

Any weekness found? Because I updated my VC to the new version 1.21 and it is not. Any details about it?
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What is the most crypto-resistive algorithm to safely send information? [closed]

What algorithm is the best to use for storing, sending passwords, account data, and other information between desktop apps over the network. Looking for the best crypto-resistive algorithm to use in ...
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in which format this code is encoded ? and how i decode it? [closed]

"jmHMRWncShQ%3D" this is my encoded text , i want to know that in which format , this text was encoded , and also want to know that how i decode these types of code ??? this password may be ...
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Is it possible to encrypt a virtual machine using virtualbox? [closed]

Is it possible to encrypt a virtual machine using virtualbox, and not leave accessible to the users of the machine where it hosted, and not allow any file to be extracted it with some program ? The ...
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1answer
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Can someone tell me what is this encryption method? [duplicate]

DQUC//S+y9uZxanuAS0WTQBlAG4AZQBkAHwBZQByACAAegBhAGQAYQBEASAAVwBpAG4AZABvAHcAcwAC3/...
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Why are one-time pads perfectly secure? [closed]

Can I locate/access Francis Litterio's article "Why are one-time pads perfectly secure?"
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177 views

What is the most secure way to protect a custom CMS from infiltration? [closed]

I have a custom CMS with a randomly generated ASCII 100-character string from this site for both my username/password. I also have this following sha512 encryption system, which was created by ...
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1answer
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Encryption problem? [duplicate]

what type of encryption is this? qQzsfohbirnu5VGUG8gN92iWYRzIAIgUcZfGHyqDqy1HQKGoc1i0CsLkRci71awepmZLTbkBFo30hrMeAWjWUer7lZ3Yv8L6vsuH/sLtaN68zPWIl/7i6y28M+uIhoVOLTqTi3/...
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What are the most used encryption/decryption keys?

I started Working On a encryption project, but I am facing a problem with the leak of encryption keys. Is there a list of the most popular encryption keys used, like the password lists of most used ...
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LTE Security: What kind of cryptograpy could be used to fix layer 2? [closed]

New attacks on LTE: https://thehackernews.com/2018/06/4g-lte-network-hacking.html https://www.alter-attack.net/media/breaking_lte_on_layer_two.pdf Layer two (data link) does not guarantee the ...
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Is AES slower to encrypt than MD5?

Is this the right interperation of this diagram: http://www.cryptopp.com/benchmarks.html AES/CCM MiB/Second:61 Cycles Per Byte:28.6 MD5 MiB/Second:255 Cycles Per Byte:6.8 And does that also ...
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1answer
479 views

What is the excellence of RSA vs my algorithm [closed]

I was wondering that what make RSA Asymmetric Cryptography Algorithm special. So I wrote a very simple algorithm that do the same work (Generate Public and Private Key) Now I want to ask you that What ...
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1answer
547 views

Whats encryption is use there [duplicate]

Please help me and give me this decrypted, or tell me what sort of encryption or hash is used here. aHR0cHM6Ly9tZWdhLm56LyMhZmt3UTJESlQhd21qYkNDZXZHbDNrS1ZqWGRGWnpmRDBwbjlyb2tWNUdf​YmxwQzlUbTRVUQ==
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1answer
772 views

What encryption is this? [closed]

7c4a8d09ca3762af61e59520943dc26494f8941b This is 123456, I don't know what kind of encryption it is and all the passwords are saving as it in my database so i need to know
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the Informix password crack

I get some hash like: username sowainformix salt 7307821250330563328 hashed_password HaHvvzanjp_lPZgHLu0KHquN.Q4t98EF48csXk1QTJs hash_type SHA-256 updated flags ...
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1answer
866 views

How to decrypt Kwvnqlmvbqitqbg? [closed]

How would I go about to decrypt the above string, if I do not know what cipher was used?
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Would this kind of encryption be good at anything?

I have put much thought into this very simple algorithm and I have no clue if it was thought before... But I think it should have. I also know nothing about other encryption algorithms so I can't tell ...

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