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bip-138 saturate the decoy bucket at the count limit
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@@ -285,7 +285,9 @@ parsing.
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Encoders SHOULD append random decoy `INDIVIDUAL_SECRET` entries to hide the exact
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number of real decryption keys. The total count SHOULD be rounded up to the
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smallest bucket greater than or equal to the real count, starting at 5 and doubling
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for each following bucket: 5, 10, 20, and so on. Decoders do not distinguish real
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for each following bucket: 5, 10, 20, and so on. The bucket sequence saturates at
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the 255 `COUNT` limit: when the smallest fitting bucket would exceed 255, encoders
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SHOULD pad to 255 instead. Decoders do not distinguish real
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entries from decoys; they try each entry until one decrypts the payload.
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#### Encryption
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