Ciphers supports padding parameter; Upgrade tongsuo from 8.3.1 to 8.4.0 #90

Job	Run time
macos (macos-13, x86_64, 3.7, tests-nocoverage)	3m 10s
linux (3.12, flake)	22s
windows (x86, win32, VC-WIN32, 3.7, tests-nocoverage, 8.4.0, 0)	11m 13s
macos (macos-13, x86_64, 3.12, tests)	2m 42s
linux (pypy-3.9, tests-nocoverage, 8.4.0)	2m 2s
windows (x86, win32, VC-WIN32, 3.7, tests-nocoverage, 8.4.0, 1)	9m 34s
macos (macos-14, arm64, 3.12, tests)	1m 30s
linux (pypy-3.10, tests-nocoverage, 8.4.0)	2m 5s
windows (x86, win32, VC-WIN32, 3.7, tests-nocoverage, 8.4.0, 2)	9m 13s
linux (3.12, tests-randomorder, 8.4.0)	1m 55s
windows (x86, win32, VC-WIN32, 3.12, tests, 8.4.0, 0)	9m 48s
linux (3.12, tests, 8.4.0)	2m 0s
windows (x86, win32, VC-WIN32, 3.12, tests, 8.4.0, 1)	9m 13s
windows (x86, win32, VC-WIN32, 3.12, tests, 8.4.0, 2)	9m 52s
windows (x64, win64, VC-WIN64A, 3.7, tests-nocoverage, 8.4.0, 0)	8m 41s
windows (x64, win64, VC-WIN64A, 3.7, tests-nocoverage, 8.4.0, 1)	7m 14s
windows (x64, win64, VC-WIN64A, 3.7, tests-nocoverage, 8.4.0, 2)	8m 34s
windows (x64, win64, VC-WIN64A, 3.12, tests, 8.4.0, 0)	7m 34s
windows (x64, win64, VC-WIN64A, 3.12, tests, 8.4.0, 1)	8m 33s
windows (x64, win64, VC-WIN64A, 3.12, tests, 8.4.0, 2)	8m 12s
all-green	13s
	2h 3m 40s

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