Squashed 'libstb/crypto/mbedtls/' content from commit 7a03e1cbf5

git-subtree-dir: libstb/crypto/mbedtls
git-subtree-split: 7a03e1cbf5569b5e4de32d8c42a3083175503804
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>

libstb/crypto/mbedtls/.github/issue_template.md

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+Note: This is just a template, so feel free to use/remove the unnecessary things
+
+### Description
+- Type: Bug | Enhancement\Feature Request | Question
+- Priority: Blocker | Major | Minor
+
+---------------------------------------------------------------
+## Bug
+
+**OS**  
+Mbed OS|linux|windows|
+
+**mbed TLS build:**  
+Version: x.x.x or git commit id  
+OS version: x.x.x  
+Configuration: please attach config.h file where possible  
+Compiler and options (if you used a pre-built binary, please indicate how you obtained it):  
+Additional environment information:  
+
+**Peer device TLS stack and version**  
+OpenSSL|GnuTls|Chrome|NSS(Firefox)|SecureChannel (IIS/Internet Explorer/Edge)|Other  
+Version:  
+
+**Expected behavior**   
+
+**Actual behavior**  
+
+**Steps to reproduce**  
+
+----------------------------------------------------------------
+## Enhancement\Feature Request
+
+**Justification - why does the library need this feature?**  
+
+**Suggested enhancement**  
+
+-----------------------------------------------------------------
+
+## Question
+
+**Please first check for answers in the [Mbed TLS knowledge Base](https://tls.mbed.org/kb), and preferably file an issue in the [Mbed TLS support forum](https://forums.mbed.com/c/mbed-tls)**  

libstb/crypto/mbedtls/.github/pull_request_template.md

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+Notes:
+* Pull requests cannot be accepted until:
+-  The submitter has [accepted the online agreement here with a click through](https://developer.mbed.org/contributor_agreement/) 
+   or for companies or those that do not wish to create an mbed account, a slightly different agreement can be found [here](https://www.mbed.com/en/about-mbed/contributor-license-agreements/)
+- The PR follows the [mbed TLS coding standards](https://tls.mbed.org/kb/development/mbedtls-coding-standards)
+* This is just a template, so feel free to use/remove the unnecessary things
+## Description
+A few sentences describing the overall goals of the pull request's commits.
+
+
+## Status
+**READY/IN DEVELOPMENT/HOLD**
+
+## Requires Backporting
+When there is a bug fix, it should be backported to all maintained and supported branches.
+Changes do not have to be backported if:
+- This PR is a new feature\enhancement
+- This PR contains changes in the API. If this is true, and there is a need for the fix to be backported, the fix should be handled differently in the legacy branch
+
+Yes | NO  
+Which branch?
+
+## Migrations
+If there is any API change, what's the incentive and logic for it.
+
+YES | NO
+
+## Additional comments
+Any additional information that could be of interest
+
+## Todos
+- [ ] Tests
+- [ ] Documentation
+- [ ] Changelog updated
+- [ ] Backported
+
+
+## Steps to test or reproduce
+Outline the steps to test or reproduce the PR here.

libstb/crypto/mbedtls/.gitignore

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+# Random seed file created by test scripts and sample programs
+seedfile
+
+# CMake build artifacts:
+CMakeCache.txt
+CMakeFiles
+CTestTestfile.cmake
+cmake_install.cmake
+Testing
+# CMake generates *.dir/ folders for in-tree builds (used by MSVC projects), ignore all of those:
+*.dir/
+# MSVC files generated by CMake:
+/*.sln
+/*.vcxproj
+/*.filters
+
+# Test coverage build artifacts:
+Coverage
+*.gcno
+*.gcda
+
+# generated by scripts/memory.sh
+massif-*
+
+# MSVC build artifacts:
+*.exe
+*.pdb
+*.ilk
+*.lib
+
+# Python build artifacts:
+*.pyc
+
+# Generated documentation:
+/apidoc
+
+# Editor navigation files:
+/GPATH
+/GRTAGS
+/GSYMS
+/GTAGS
+/TAGS
+/tags

libstb/crypto/mbedtls/.globalrc

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+default:\
+    :langmap=c\:.c.h.function:\
+

libstb/crypto/mbedtls/.pylintrc

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+[BASIC]
+# We're ok with short funtion argument names.
+# [invalid-name]
+argument-rgx=[a-z_][a-z0-9_]*$
+
+# Allow filter and map.
+# [bad-builtin]
+bad-functions=input
+
+# We prefer docstrings, but we don't require them on all functions.
+# Require them only on long functions (for some value of long).
+# [missing-docstring]
+docstring-min-length=10
+
+# Allow longer methods than the default.
+# [invalid-name]
+method-rgx=[a-z_][a-z0-9_]{2,35}$
+
+# Allow module names containing a dash (but no underscore or uppercase letter).
+# They are whole programs, not meant to be included by another module.
+# [invalid-name]
+module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+)|[a-z][-0-9a-z]+)$
+
+# Some functions don't need docstrings.
+# [missing-docstring]
+no-docstring-rgx=(run_)main$
+
+# We're ok with short local or global variable names.
+# [invalid-name]
+variable-rgx=[a-z_][a-z0-9_]*$
+
+[DESIGN]
+# Allow more than the default 7 attributes.
+# [too-many-instance-attributes]
+max-attributes=15
+
+[FORMAT]
+# Allow longer modules than the default recommended maximum.
+# [too-many-lines]
+max-module-lines=2000
+
+[MESSAGES CONTROL]
+disable=
+
+[REPORTS]
+# Don't diplay statistics. Just the facts.
+reports=no
+
+[VARIABLES]
+# Allow unused variables if their name starts with an underscore.
+# [unused-argument]
+dummy-variables-rgx=_.*

libstb/crypto/mbedtls/.travis.yml

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+language: c
+compiler:
+- clang
+- gcc
+sudo: false
+cache: ccache
+
+# blocklist
+branches:
+  except:
+  - development-psa
+  - coverity_scan
+
+script:
+- tests/scripts/recursion.pl library/*.c
+- tests/scripts/check-generated-files.sh
+- tests/scripts/check-doxy-blocks.pl
+- tests/scripts/check-names.sh
+- tests/scripts/check-files.py
+- tests/scripts/doxygen.sh
+- cmake -D CMAKE_BUILD_TYPE:String="Check" .
+- make
+- make test
+- programs/test/selftest
+- OSSL_NO_DTLS=1 tests/compat.sh
+- tests/ssl-opt.sh -e '\(DTLS\|SCSV\).*openssl'
+- tests/scripts/test-ref-configs.pl
+- tests/scripts/curves.pl
+- tests/scripts/key-exchanges.pl
+after_failure:
+- tests/scripts/travis-log-failure.sh
+env:
+  global:
+    - SEED=1
+    - secure: "barHldniAfXyoWOD/vcO+E6/Xm4fmcaUoC9BeKW+LwsHqlDMLvugaJnmLXkSpkbYhVL61Hzf3bo0KPJn88AFc5Rkf8oYHPjH4adMnVXkf3B9ghHCgznqHsAH3choo6tnPxaFgOwOYmLGb382nQxfE5lUdvnM/W/psQjWt66A1+k="
+
+addons:
+  apt:
+    packages:
+    - doxygen
+    - graphviz
+  coverity_scan:
+    project:
+      name: "ARMmbed/mbedtls"
+    notification_email: simon.butcher@arm.com
+    build_command_prepend:
+    build_command: make
+    branch_pattern: coverity_scan