Encryptr | knowledge cloud-based password manager | Frontend Framework library
kandi X-RAY | Encryptr Summary
kandi X-RAY | Encryptr Summary
All platforms: ./build.sh desktop ios android.
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Encryptr Examples and Code Snippets
Community Discussions
Trending Discussions on Encryptr
QUESTION
I'm trying to solve this question that wants me to encrypt a message by rotating the bits of each 10 bytes of a message to the left or to the right according to a certain key, for example:
key BYTE -2, 4, 1, 0, -3, 5, 2, -4, -4, 6
Where the sign indicates the direction of rotation, negative being to the left, positive to the right. The numbers indicate the magnitude of rotation. So the first byte of the message will be rotated twice to the left, the second 4 times to the right and so on and we do the same with the 11th and 12th byte and so on until the end of the message.
When I call this procedure, nothing happens to the message stored in memory, however:
...ANSWER
Answered 2021-Jun-05 at 20:45There's a couple of issues. First of all ja
is used for unsigned comparisons so it won't work for detecting values <0. Use jg
(jump if greater) instead.
When you use Invoke
MASM, does prepare a frame for you and passes parameters via stack, those are available inside the method, but if you see those ptrmessage
in a debugger outside VS, those will be pointers to the addresses on the stack and not to the content of the message.
QUESTION
I'm trying to encrypt a dataframe in R with RSA using the encryptr
package. It works fine until I try to decrypt it again which doesn't work for some reason. Yes, I've triple checked whether the password is correct, I've entered it with and without copy/paste and I have tried different passwords and datasets. I suspect I'm doing something wrong in general and I'm happy about any pointers. Here's a reproducible example that works fine for encrypting but doesn't let me decrypt the data again:
ANSWER
Answered 2020-Nov-06 at 11:57It asking for the password again isn't it rejecting the password.
You need to enter your password for every column. So you need to enter your password 10 times in a row when you decrypt
.
QUESTION
Note: This (lengthy) question is a follow-up to my previous post.
I would like to achieve the encryption of data locally (local RStudio) and decrypt the encrypted data remotely (application hosted on shinyapps.io).
The first part of the code intrinsically encrypts a data-frame using a key
. The second part of the code is a shiny application that decrypts the data-frame using the same key
and thereby using this data-frame for authentication purposes within the application. The code works just alright on my machine.
However, it throws an error when published to shinyapps.io (cloud-based hosting service) as shown below:
1.Code for encrypting the data-frame.
...ANSWER
Answered 2020-Mar-13 at 08:16Reason for the issue
The problem is by design as cyphr::key_sodium
creates a key which is valid, well, only for the current session. That is, it is not possible to share it across different session let alone different systems.
Hence, the problem is not at all related to shiny
itself, but to the fact that you are trying to use cyphr
keys across different sessions.
From the vignette:
When using key_openssl, keypair_openssl, key_sodium, or keypair_sodium we generate something that can decrypt data. The objects that are returned by these functions can encrypt and decrypt data and so it is reasonable to be concerned that if these objects were themselves saved to disk your data would be compromised.
To avoid this, cyphr does not store private or symmetric keys directly in these objects but instead encrypts the sensitive keys with a cyphr-specific session key that is regenerated each time the package is loaded. This means that the objects are practically only useful within one session, and if saved with save.image (perhaps automatically at the end of a session) the keys cannot be used to decrypt data.
Reprex of the issue
QUESTION
I do that:
...ANSWER
Answered 2019-May-10 at 20:00Many thanks for the question. Saving a password in a script is not recommended as that defeats the purpose of encrypting a file in most circumstances. You can work around this intentional feature although it is not recommended.
QUESTION
I'm trying to write RSA encryptring and decrypting functions in Java, but have some troubles: I think the convertion betwen BigInteger and byte[] or viceversa is causing it, some suggestions?
...ANSWER
Answered 2017-Mar-27 at 23:45Your message doesn't fit into the modulus, which makes it impossible to retrieve back the information lost when performing the modular arithmetic. For this reason RSA is often combined with symmetric encryption such as AES, where the AES key is encrypted instead.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install Encryptr
clone the project
cd into the project folder
With commands:
npm install to install node_modules and js/css components (npm install will also run bower install).
cordova platform add ios and/or cordova platform add android
cordova-icon && cordova-splash
With script:
iOS: ./build.sh ios
Android: ./build.sh android
Desktop: ./build.sh desktop
All platforms: ./build.sh desktop ios android.
iOS: ./build.sh ios
Android: ./build.sh android
Desktop: ./build.sh desktop
All platforms: ./build.sh desktop ios android
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