gh-146311: Reject non-zero padding bits in base64/base32 decoding#146312

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gpshead:gh-146311-nonzero-padding-bits

Commits on Mar 22, 2026

Add tests for rejecting non-zero padding bits in base64/base32

gpshead
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claude
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Reject non-zero padding bits in base64/base32 decoding

gpshead
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claude
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Fix test_base64 test data with non-zero padding bits

gpshead
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claude
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