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Building a C++ File Encryptor: Practical Cryptography & File I/O for Beginners

Before my Computer Science engineering journey officially kicked off , I decided to bridge the gap between basic C++ theory and real-world application.

  • C++ File Encryptor project bridges theory and practical application
  • Implements byte-level substitution via ASCII shifting for encryption
  • Emphasizes proper file stream management to prevent data corruption

Large SQS and SNS messages in Kotlin: the extended client pattern without Java baggage

Every SQS queue and SNS topic has a message size limit. When a payload is larger, the usual answer is the claim check pattern: put the payload in S3, send a small pointer instead, and resolve the…

  • Java libraries for SQS/SNS message limits not compatible with Kotlin
  • Three Maven Central libraries created: s3overflow, sqsoverflow, snsoverflow
  • Ports explained, limitations addressed, benefits highlighted

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