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gh-145264: Do not ignore excess Base64 data after the first padded quad#145267
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serhiy-storchaka wants to merge 2 commits intopython:mainfrom
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gh-145264: Do not ignore excess Base64 data after the first padded quad#145267serhiy-storchaka wants to merge 2 commits intopython:mainfrom
serhiy-storchaka wants to merge 2 commits intopython:mainfrom
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…ded quadBase64 decoder (see binascii.a2b_base64(), base64.b64decode(), etc)no longer ignores excess data after the first padded quad in non-strict(default) mode. Instead, in conformance with RFC 4648, it ignores thepad character, "=", if it is present before the end of the encoded data.
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awaiting core reviewneeds backport to 3.13bugs and security fixes needs backport to 3.14bugs and security fixes
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Base64 decoder (see binascii.a2b_base64(), base64.b64decode(), etc) no longer ignores excess data after the first padded quad in non-strict (default) mode. Instead, in conformance with RFC 4648, it ignores the pad character, "=", if it is present before the end of the encoded data.