Website Data Encryption Strategy
I need a cybersecurity professional who can focus specifically on protecting my website data through strong, modern encryption. The site already runs smoothly,...
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Decrypt Unknown Binary File Challenge
I have a binary file hosted here: https://www.naver.com/ that is completely unreadable to me. The algorithm behind the encryption is still a mystery—no visible...
Read morePHP SOAP Client with WSSE
I need a small, self-contained PHP script that can successfully call the helloWorldWithCertificate operation exposed in the WSDL at https://brugerdatabasen.stil...
Read moreGenerate JWKS from X.509 Certificate
I already hold an X.509 digital certificate and I now need a matching set of JSON Web Key Sets (JWKS) built from it so I can feed the keys into an OAuth / OIDC...
Read morePKI System Setup
I am looking for an experienced PKI engineer to design and implement a new on-premises PKI system for an active client engagement. This is a solo delivery role...
Read moreChat Android Criptografado Pessoal
Quero ter um chat para Android que garanta privacidade total entre dois usuários, rodando exclusivamente no meu servidor próprio. A ideia não é criar tudo do ze...
Read moreFix Apple MDM CSR Conversion
I’m stuck turning an Apple MDM .csr file into the required .pem file. I’m doing the conversion inside Keychain Access on macOS, but every attempt ends with the...
Read moreResolve CSR to PEM Issue
I’m finalising an MDM solution and the last step is converting my certificate signing request into the .pem file the system expects. On macOS I create the .csr...
Read moreMVP Development: Post-Quantum Cryptography (PQC) File Security Application (NIST FIPS 203/204)
Project Description Highlights The Mission: We are building "QuantumShield," a high-performance, user-friendly desktop application that protects sensitive SMB d...
Read moreSoftware Licence System in PHP on GoDaddy Hosting -- 3
I need to set up a simple, secure Off-Line licensing workflow in my existing PHP server for a Windows C# desktop application. Here’s how I picture the flow and...
Read moreCertificación ERP para Facturación Electrónica
Descripción del Proyecto: Somos una empresa de tecnología que desarrolla un ERP SaaS multi-tenant (PHP 8.2, MySQL/MariaDB) y necesitamos completar el proceso de...
Read moreCertificación de Facturación Electrónica (e-CF) ante la DGII — República Dominicana
Descripción del Proyecto: Somos una empresa de tecnología que desarrolla un ERP SaaS multi-tenant (PHP 8.2, MySQL/MariaDB) y necesitamos completar el proceso de...
Read moreFix SMTP 535 Authentication Error ASAP
My PHP-based app suddenly throws “Expected response code 235 but got 535 – Authentication credentials invalid” every time it tries to send mail. I already updat...
Read moreDesencriptado de 500GB de Archivos
Tengo cerca de 500 GB repartidos en documentos de texto y colecciones de imágenes que quedaron encriptados. No dispongo de la clave ni conozco con certeza el al...
Read moreA senior profile is required with practical mastery of mail protocols (IMAP/POP3/SMTP), TLS/STARTTLS, proxies and sockets, TCP, different TLS stacks and efficient concurrency. -- 2
(1) Experiencia en protocolos de correo (IMAP, POP3, SMTP) Debe entender: - Estados del protocolo - Flujo completo de una sesión - Diferencias entre TLS directo...
Read moreC Remote Control System Upgrade
我们的企业级远控系统全部以 C 语言编写，目前架构稳定，但业务上急需“功能添加”——重点是加入完整的远程控制能力，并顺带修复几处已知崩溃点。 核心需求 • 增强远程控制：...
Read moreDecrypt OpenSSL Archive
I have an archive named “archive.tar.bz2” that was encrypted with OpenSSL using a passphrase I no longer possess. There are no password hints or partial phrases...
Read moreOpenSSL file decryption
I need a file decrypted via cryptool-online with screenshots of the openssl command line and an explanation for the decryption process. File to be decrypted wil...
Read moreSoftware Licence System in PHP on GoDaddy Hosting -- 2
I need to set up a simple, secure licensing workflow in my existing PHP server for a Windows C# desktop application. Here’s how I picture the flow and what I ne...
Read moreSoftware Licence System in PHP on GoDaddy Hosting
I need to set up a simple, secure licensing workflow in my existing PHP server for a Windows C# desktop application. Here’s how I picture the flow and what I ne...
Read moreC# Software License System in PHP
I’m setting up a simple yet secure licensing workflow that spans my existing PHP server and a Windows-only C# desktop application. Here’s how I picture the flow...
Read moreFix domain ssl in german domain host
Fix domain ssl in german domain host
Read moreOpenSSL RSA Key Pair Creation
I need an RSA key pair generated through OpenSSL for a web-server SSL/TLS deployment. The specifics are straightforward: ( i mean i can generate my self I just...
Read moreFix Apple Wallet Certificates
I have an existing Xcode project that already pulls loyalty-card data from a MySQL backend and assembles the pass, but the Apple Wallet certificates keep blocki...
Read moreCryptography Flag Decryption Report Needed
I have a challenge-style cryptography question that ends with a hidden flag. I need someone to fully decrypt the message, capture the flag, and write a clear, r...
Read moreFix Composer SSL Error Windows
I’m on Windows with XAMPP and Composer refuses to install or update because of the classic “OpenSSL certificate verify failed” message. The installer points to...
Read moreEnable TLS 1.2 for Oracle
I’m running Oracle 11g Enterprise Edition on a Unix server and need to make outbound HTTPS calls with UTL_HTTP to a third-party site that only accepts TLS 1.2....
Read moreDecrypt Certificate-Protected PDFs
I have a handful of PDF documents that were locked with certificate-based encryption. The certificates are company-issued, and unfortunately I no longer have th...
Read moreResolve Android CertPathValidatorException Issue / Cloudfare Experience Essential
I need help tracking down and fixing a CertPathValidatorException that suddenly started blocking traffic from Android 16 devices inside our native Android app....
Read moreOpen-Source SSL Platform
Users will go to our platform and obtain SSL with required information. We will add some additional validation. This is the main objective so users can renew SS...
Read moreOpenSSL AES-256 Decryption Fix
I have a small, password-protected text file that was encrypted with OpenSSL using AES-256. The password is definitely correct, yet the usual OpenSSL command li...
Read moreIntermittent HTTPS Error
I run a couple of sites on the same VPS (cPanel/WHM with EasyApache 4). Each domain has its own cPanel account, AutoSSL is enabled, certs are valid and forced H...
Read moreCryptographic Design & CP/CPS
Context Milestone 1 is completed. The awardee receives all existing artifacts: code repositories, OpenAPI specifications, signed Docker images, deployment manif...
Read moreWindows JKS Keystore Creation
I need a Java KeyStore (.jks) generated on a Windows machine from start to finish. Please walk me through, or remotely execute, every step required—creating the...
Read moreFix PostgreSQL connection issue
I need someone to remote-troubleshoot the PostgreSQL connection Please be ready to start right away; I’ll supply current configs and any server access you requi...
Read moreCreate a Discourse Community Site for The Karma Party Kindness Movement
Description I'm building something that sparks kindness, laughter, and connection. Not another corporate snoozefest. The Karma Party is an international kindnes...
Read moreCreate a Fun Discourse Kindness Community for The Karma Party
Create a Fun Discourse Kindness Community for The Karma Party Description I'm building something that sparks kindness, laughter, and connection. Not another cor...
Read morePKI / EJBCA CE con YubiHSM2 – Consultor técnico (habla español)
Busco un freelancer técnico con experiencia demostrable en integración de EJBCA Community Edition con YubiHSM2 (PKCS#11), para resolver error en CryptoToken. Ob...
Read moreSingle Domain TLS Certificate Acquisition
I'm seeking a professional to procure a Single Domain TLS certificate for me. The focus is purely on website security. Ideal Skills and Experience: - Proven exp...
Read moreCreate client certificate with OpenSSL
We have a server certificate from GoDaddy which we use for our web server. We need to create a client certificate from this server certificate containing an ind...
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