encryption-asymmetric Questions
4
Solved
I am searching for an algorithm for file encryption/decryption which satisfies the following requirements:
Algorithm must be reliable
Algorithm should be fast for rather big files
Private key can...
Swindle asked 27/3, 2012 at 14:36
2
Solved
I want to create .pem file for the public key generated by this method
public static Tuple<string, string> CreateKeyPair()
{
CspParameters cspParams =
new CspParameters {
ProviderType ...
Pe asked 10/10, 2013 at 11:22
3
Solved
I have an old function written in 2013 that decrypt xml that was encrypted by another program.
The code is realy simple
public static void Decrypt(XmlDocument Doc)
{
// Check the arguments.
...
Ragamuffin asked 29/5, 2017 at 21:18
12
Solved
Given the following RSA keys, how does one go about determining what the values of p and q are?
Public Key: (10142789312725007, 5)
Private Key: (10142789312725007, 8114231289041741)
Jackqueline asked 2/11, 2010 at 14:58
3
I am adding a sentry handler to the R logging package. currently django-sentry validates the client (the application sending log records) based on a shared key which travels in clear text in a secu...
Nomothetic asked 27/4, 2011 at 15:7
1
Solved
I have searched all this morning but I've found websites where it is said that data is sent through an asymmetric encryption using the TLS protocol
Then I found the contrary
Please can you tell me ...
Zelaya asked 13/6, 2016 at 13:25
0
I would like to generate and store securely a 4096 bit RSA key pair on an Android device running API 18+ (4.3). The documentation states the AndroidKeyStore supports 4096 bit keys on API 18. Howeve...
Tiffanietiffanle asked 23/5, 2016 at 15:30
2
Solved
I was looking for libraries to implement an encryption system and was interested in using the NaCl: Networking and Cryptography library specifically the box function. Obviously, it uses symmetric e...
Schuyler asked 1/12, 2012 at 20:47
1
Solved
i'm trying to create a WS for make soap request. In the body of the message there is a field that contains an encrypted text.
I have the public key to encrypt the text but the only result that i ob...
Unger asked 22/1, 2016 at 18:40
3
Solved
I want to encrypt data using RSA , I tried to generate the key in my code and it's working , But what I actually need is to get the public key as a string from server and then use it as Seckey so I...
Craps asked 2/3, 2015 at 10:59
2
Solved
I am writing an app where users can communicate between devices with end to end encryption. For this I use the libsodium encryption library. The asymmetric encryption function, crypto_box(...) requ...
Chokefull asked 12/6, 2014 at 18:33
3
I am looking at the feasibility for using Chrome apps for the front end of some applications I am working on. (As an aside, if anyone has any thoughts on this - put it in the comments)
I would be ...
Aviles asked 5/5, 2013 at 11:18
2
Solved
I have an app which is designed in C#. In simple terms the app sends data and image to my web server which takes all the $_POST data and processes it. I will confess i do not understand how the sec...
Lepidopterous asked 29/4, 2015 at 16:21
5
Solved
Is it possible to encrypt data, such that it can be decrypted with several different keys?
Example:
I've encrypted data with key1, but I want to be able to decrypt with keys 2, 3, and 4.
Is t...
Apostrophe asked 28/2, 2009 at 0:28
2
Solved
Currently I am investigating https://github.com/orlp/ed25519 , and it has example for signing but how to use it for encrypting/decrypting data? Thanks
Whitford asked 16/11, 2014 at 5:42
6
Why do I need to use separate public key pairs for signing and encryption
and not use the same key pair with RSA for example?
Is there any security problem with using the same key?
Bartholomew asked 27/2, 2011 at 12:40
2
Solved
Hi this is the same question, that was asked two years ago:
Java/JCE: Decrypting “long” message encrypted with RSA
I had a large byte array and rsa keypair, initiated by value 1024.
Using rsa encr...
Wayfarer asked 16/4, 2010 at 14:19
5
I have to transfer some sensitive information over a JavaScript AJAX Call, over an unencrypted channel (HTTP, not HTTPS).
I'd like to encrypt the data, but encryption on the JavaScript side means ...
Amygdalate asked 24/5, 2011 at 21:6
3
Solved
I want to make a simple public-key(asymmetric) encryption. It doesn't have the be secure, I just want to understand the concepts behind them. For instance, I know simple symmetric ciphers can...
Valparaiso asked 26/9, 2013 at 0:34
2
Solved
I have been over an article at CodeProject a for a while that explains how to encrypt and decrypt using the RSA provider:
RSA Private Key Encryption
While the old version from 2009 was buggy, the...
Dogy asked 29/3, 2013 at 11:55
4
I am making a web service that will store public and private keys for each record in a database table.
The keys are made using Java, but I am unsure weather to create a keystore or place the keys ...
Malleus asked 6/7, 2010 at 8:4
1
Solved
I am trying to write a utility program which encrypts and decrypts plain text files using a RSA key pair. The RSA keys were generated with ssh-keygen and are stored in .ssh, as usual.
I am having ...
Horrorstruck asked 18/1, 2013 at 17:56
1
Solved
I have simple RSA encoding/decoding script, such as:
use Crypt::RSA;
my $rsa = new Crypt::RSA;
my($public, $private) = $rsa->keygen( Size => 2048 )
or die $rsa->errstr();
my $email = '...
Uracil asked 24/9, 2012 at 16:44
2
I've had a application using Bouncy Castle for PGP decryption which has run without any issues for the past 8 months or so, and the past 2 days all of a sudden an issue has come up where the GetDat...
Zelazny asked 19/6, 2012 at 18:17
3
I need to encrypt a string using RSA, PKCS1, a private key and PHP. I could not find even a terminal command which can be used with exec(). Does anyone knows how to do it?
Thanks!
Phox asked 4/1, 2011 at 22:12
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