我對這裏的某些東西感到非常困惑。當我解碼以下的base64字符串重新編碼(base64)時base64字符串的解碼值給出不同的輸出
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
輸出是:
FZ!?A,�U"WwwwwwwwwXHTransactional: Aaaaaaaa Gggggg ?XU恍[email protected] QD駴tps://www.abcdefgh.com/endpoint--name?id=62FYPW&valu=2ffg92080f22c50c6grsd349frtyuio9&utm_campaign=Transactional%3A%20Password%20Reset&utm_source=SparkPost&utm_medium=email&utm_term=Transactional%3A%20Pppp%20Mainn&referer=62FYPWGQ{"email_user":"14785243699632.288207406700815289974144","binding":"notifications"}
但是當我嘗試相同的輸出值編碼回的base64它給了我:
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
這裏發生了什麼?
如果decode(base64_A)
是給我x
和encode(x)
給我base64_B
,我怎麼能生成base64_A
從x
或base64_B
?
=是填充。例如,原始字符串尚未被傳遞以符合規範。也許最後一個crlf?當你解碼你的編碼決定的字符串時,你會得到什麼? –
當我解碼已編碼的決定字符串時,我得到Reset&utm_source = SparkPost&utm_medium = email&utm_term = Transactional%3A%20Password%20Reset&ref這與我解碼第一個base64字符串時得到的相同。 –
我可以確認最後沒有CRLF :) –