* development: (87 commits)
entropy: Adjust parameter type of internal function to avoid a cast
entropy: Avoid arithmetic on void pointer
add comment about potential future extension
Adjust comments about SEED synchronisation
entropy: Rename sysctl_wrapper to sysctl_arnd_wrapper
test_suite_x509parse.function improvement
Pass "certificate policies" extension to callback
Update iv and len context pointers manually when reallocating buffers
Add Apache-2.0 headers to all source files
Remove Dangerous Parameter Passing
Add Apache-2.0 headers to all scripts
Add missing copyright dates to scripts and sources
Show failure in ssl-opts.sh when key export fails
Add changelog entry
tests: Reformating due to rnd_* renaming
tests: Add mbedtls_test_ prefix to rnd_* symbols
tests: Reformating due to hexcmp() renaming
tests: Add mbedtls_test_ prefix to hexcmp()
tests: Reformating due to unhexify_alloc() renaming
tests: Add mbedtls_test_ prefix to unhexify_alloc()
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