TechOverflow blog

How to compute SHA256 of std::string (hex or binary) using OpenSSL

Categories: C/C++, Cryptography

Uli Köhler

2023-06-08 1 min read

How to verify AWS Signature Version 4 implementations

Categories: Python, S3

Uli Köhler

2023-06-08 2 min read

How to generate random AWS-like access key / secret key in Python

Categories: Python, S3

Uli Köhler

2023-06-08 0 min read

How to debug boost::beast with mitmproxy

Categories: Boost, C/C++

Uli Köhler

2023-06-08 0 min read

How to initialize boost::asio::tcp::endpoint from IPv4 address string

Categories: Boost, C/C++

Uli Köhler

2023-06-08 0 min read

How to fix boost::beast system_error uninitialized (SSL routines)

Categories: Boost, C/C++

Uli Köhler

2023-06-08 0 min read

How to fix C++ undefined reference to symbol 'BIO_ctrl_pending@@OPENSSL_3.0.0'

Categories: GCC Errors

Uli Köhler

2023-06-07 0 min read

How to capture rclone S3 requests via mitproxy

Categories: S3

Uli Köhler

2023-06-07 0 min read

rclone S3 access with command line flags (without config file)

Categories: S3

Uli Köhler

2023-06-07 0 min read

How to install MinIO commander (mc) globally on Linux

Categories: Linux, S3

Uli Köhler

2023-06-06 0 min read