Ciphers supports padding parameter; Upgrade tongsuo from 8.3.1 to 8.4.0 #85

Job	Run time
linux (3.12, flake)	22s
macos (macos-13, x86_64, 3.7, tests-nocoverage)	3m 56s
linux (pypy-3.9, tests-nocoverage, 8.4.0)	2m 3s
windows (x86, win32, VC-WIN32, 3.7, tests-nocoverage, 8.4.0, 0)	10m 6s
macos (macos-13, x86_64, 3.12, tests)	4m 9s
windows (x86, win32, VC-WIN32, 3.7, tests-nocoverage, 8.4.0, 1)	11m 16s
linux (pypy-3.10, tests-nocoverage, 8.4.0)	2m 3s
macos (macos-14, arm64, 3.12, tests)	1m 24s
windows (x86, win32, VC-WIN32, 3.7, tests-nocoverage, 8.4.0, 2)	11m 6s
linux (3.12, tests-randomorder, 8.4.0)	1m 53s
windows (x86, win32, VC-WIN32, 3.12, tests, 8.4.0, 0)	10m 19s
linux (3.12, tests, 8.4.0)	2m 6s
windows (x86, win32, VC-WIN32, 3.12, tests, 8.4.0, 1)	10m 45s
windows (x86, win32, VC-WIN32, 3.12, tests, 8.4.0, 2)	10m 22s
windows (x64, win64, VC-WIN64A, 3.7, tests-nocoverage, 8.4.0, 0)	8m 21s
windows (x64, win64, VC-WIN64A, 3.7, tests-nocoverage, 8.4.0, 1)	7m 38s
windows (x64, win64, VC-WIN64A, 3.7, tests-nocoverage, 8.4.0, 2)	7m 29s
windows (x64, win64, VC-WIN64A, 3.12, tests, 8.4.0, 0)	7m 42s
windows (x64, win64, VC-WIN64A, 3.12, tests, 8.4.0, 1)	8m 19s
windows (x64, win64, VC-WIN64A, 3.12, tests, 8.4.0, 2)	8m 37s
all-green	9s
	2h 10m 5s

Provide feedback