RSA-Algorithm | Implementation of RSA Algorithm | Encryption library
kandi X-RAY | RSA-Algorithm Summary
kandi X-RAY | RSA-Algorithm Summary
Implementation of RSA Algorithm (Encryption - Decryption)
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- Generate RSA key pair
- Calculate D from time t
- Encrypt a string using a public key
- Calculate the e - interval of time t
- Converts an ASCII sequence to a character list
- Decrypt a list of strings
- Decrypt ciphertext using a private key
- Formats a message
- Check if a number is an integer
- Encrypt a message
- Read file content
- Check if n is a prime number
RSA-Algorithm Key Features
RSA-Algorithm Examples and Code Snippets
Community Discussions
Trending Discussions on RSA-Algorithm
QUESTION
The formula for generating decryption key for RSA algorithm is ed = 1 mod T
where T is generated using the formula (p-1)(q-1)
. p and q are two non identical prime number. e is the Encryption Key. So as per the formula if I like to implement the ed = 1 mod T
in C program the code block should be
ANSWER
Answered 2022-Mar-30 at 21:14The modular multiplicative inverse can be found with the extended Euclidean algorithm.
Here is a simple demonstration implementation. Cryptographic implementations generally needed extended-precision arithmetic.
QUESTION
We have been given an assignment part of which requires us to generate a public private key pair. These do not need to be particularly secure, as it is just for demonstration of the concept.
We can not use any sort of cryptography libraries or external tools.
How would I go about generating these?
Edit: Found a pretty nice explanation of RSA here: https://www.educative.io/edpresso/what-is-the-rsa-algorithm
...ANSWER
Answered 2021-Oct-01 at 13:55I use JShell to demonstrate the basic public-private key generation just using Java's BigInteger
:
QUESTION
I am porting some code using Intel IPP lib to OpenSSL (Apple Silicon port).
I have some code checking an XML file signature that looks like this:
...ANSWER
Answered 2021-May-05 at 10:58So after a bit more experimenting, I realised that indeed, ippsRSAVerify_PCKS1v15
and RSA_Verify
expect different data for their respective pMsg
and m
arguments. The Intel function wants to be given the entire message to sign/verify, and computes the SHA1 digest (or other digest) internally, whereas the OpenSSL function expects to be given the digest of the message to sign/verify, not the original message itself.
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No vulnerabilities reported
Install RSA-Algorithm
You can use RSA-Algorithm like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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