feat(secret): improve secret_string safety and speed #171

	name: CI-Linux

	on:
	push:
	branches:
	- main
	- release/**
	- stable
	pull_request:
	branches:
	- main
	- release/**
	- codex/**

	jobs:
	Tests-Linux:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	std: [11, 17]
	steps:
	- uses: actions/checkout@v3
	- name: Install dependencies
	run: sudo apt-get update && sudo apt-get install -y cmake
	- name: Configure
	run: cmake -S . -B build -DHMACCPP_BUILD_TESTS=ON -DCMAKE_CXX_STANDARD=${{ matrix.std }}
	- name: Build
	run: cmake --build build
	- name: Run tests
	run: ctest --test-dir build --output-on-failure -R "test_all\|test_totp"
	vcpkg:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install vcpkg
	run: \|
	git clone https://github.com/microsoft/vcpkg.git
	./vcpkg/bootstrap-vcpkg.sh
	./vcpkg/vcpkg install gtest
	- name: Configure
	run: cmake -S . -B build -DHMACCPP_BUILD_TESTS=ON -DCMAKE_TOOLCHAIN_FILE=./vcpkg/scripts/buildsystems/vcpkg.cmake
	- name: Build
	run: cmake --build build
	- name: Run tests
	run: ctest --test-dir build --output-on-failure -R "test_all\|test_totp"

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