Implementing RSA Cryptography in Common Lisp: A Practical Guide

Implementing RSA Cryptography in Common Lisp The RSA algorithm, while conceptually straightforward, presents several implementation challenges beyond the core mathematical operations. This guide walks through creating a functional RSA encryption library in Common Lisp, addressing the key hurdles encountered during development. Core Algorithm Ov ...

Posted on Fri, 30 Oct 2026 16:51:44 +0000 by melindaSA

Automating PDF Text Translation on Linux

A practical solution is to replace all line breaks within a copied paragraph with spaces. This transforms the fragmented text into a coherent block suitable for translation. On Linux systems, the X11 windowing system provides the clipboard functionality, and the command-line utility xclip allows for programmatic access to it. First, install xcl ...

Posted on Tue, 13 Oct 2026 16:32:02 +0000 by richiec

Managing JSON Data with the shasht Common Lisp Library

Parsing JSON Data The primary mechanism for ingesting and parsing JSON text is the read-json function. It accepts an input source which may be a string, a stream, or nil (defaults to standard input). (read-json &optional input (eof-error-p t) eof-value single-value-p) The behavior of the parser is governed by several dynamic variables, all ...

Posted on Thu, 13 Aug 2026 16:19:19 +0000 by taurus5_6

Portable Regular Expression Library for Scheme and Common Lisp: pregexp

pregexp delivers a cross-platform regular expression implementation compatible with R4RS, R5RS, and R6RS Scheme standards, along with a Common Lisp variant. The library provides Perl-compatible pattern syntax including numeric quantifiers, non-greedy matching, capture groups, POSIX character classes, case-insensitive modes, backreferences, alte ...

Posted on Mon, 22 Jun 2026 17:33:47 +0000 by ineedhelpbigtime