Remove 16KiB limit in MinioAdmin crypto functions #230

Job	Run time
Test on python 3.7 and ubuntu-latest	2m 4s
Test on python 3.7 and windows-latest	2m 34s
Test on python 3.7 and macos-latest	29s
Test on python 3.8 and ubuntu-latest	1m 54s
Test on python 3.8 and windows-latest	2m 24s
Test on python 3.8 and macos-latest	18s
Test on python 3.9 and ubuntu-latest	1m 57s
Test on python 3.9 and windows-latest	2m 6s
Test on python 3.9 and macos-latest	43s
Test on python 3.10 and ubuntu-latest	1m 44s
Test on python 3.10 and windows-latest	2m 32s
Test on python 3.10 and macos-latest	29s
Test on python 3.11 and ubuntu-latest	1m 32s
Test on python 3.11 and windows-latest	2m 17s
Test on python 3.11 and macos-latest	26s
Test on python 3.12 and ubuntu-latest	1m 33s
Test on python 3.12 and windows-latest	2m 3s
Test on python 3.12 and macos-latest	1m 0s
	28m 5s

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