AES-CCM enforce max length #772

Job	Run time
mypy	18s
build_python_27 (ubuntu-20.04, yes)	2m 55s
build_python_27 (ubuntu-20.04, no)	3m 6s
build (3.5, yes, ubuntu-20.04)	3m 3s
build_python_27 (windows-latest, yes)	2m 23s
test_c_linux (0, x64)	1m 18s
build (3.5, no, ubuntu-20.04)	1m 59s
build_python_27 (windows-latest, no)	2m 49s
test_c_linux (0, x32)	1m 34s
build (3.6, yes, ubuntu-20.04)	2m 52s
test_c_windows (x64)	56s
test_c_linux (1, x64)	1m 16s
build (3.6, no, ubuntu-20.04)	2m 4s
test_c_windows (win32)	1m 8s
test_c_linux (1, x32)	1m 12s
build (3.7, yes, ubuntu-20.04)	2m 6s
build (3.7, no, ubuntu-20.04)	2m 4s
build (3.8, yes, ubuntu-20.04)	1m 49s
build (3.8, no, ubuntu-20.04)	3m 9s
build (3.9, yes, ubuntu-20.04)	1m 36s
build (3.9, no, ubuntu-20.04)	1m 32s
build (3.10, yes, ubuntu-20.04)	2m 58s
build (3.10, no, ubuntu-20.04)	1m 57s
build (3.11, yes, ubuntu-20.04)	1m 43s
build (3.11, no, ubuntu-20.04)	2m 14s
build (3.12-dev, yes, ubuntu-20.04)	2m 17s
build (3.12-dev, no, ubuntu-20.04)	1m 51s
build (3.11, yes, macos-12)	3m 28s
build (3.11, no, windows-latest)	3m 36s
build (3.11, yes, windows-latest)	3m 32s
build (3.12-dev, no, windows-latest)	3m 28s
build (3.12-dev, yes, windows-latest)	3m 27s
build (pypy2.7, no, ubuntu-latest)	1m 23s
build (pypy3.9, no, ubuntu-latest)	1m 25s
	1h 14m 28s

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