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"susceptibility", but meaning is clear without this word
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Tom Harding 2020-08-25 09:34:33 -07:00 committed by GitHub
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@ -266,7 +266,7 @@ segwit transaction in which case it must be only the exact redeemscript. P2SH is
(unless the P2SH hash is broken) with CHECKTEMPLATEVERIFY because the template hash must commit (unless the P2SH hash is broken) with CHECKTEMPLATEVERIFY because the template hash must commit
to the ScriptSig, which must contain the redeemscript, which is a hash cycle. to the ScriptSig, which must contain the redeemscript, which is a hash cycle.
To prevent succeptibility to malleability when not using a segwit input, we also commit to the To prevent malleability when not using a segwit input, we also commit to the
scriptsig. This makes it possible to use a 2 input CHECKTEMPLATEVERIFY with a legacy pre-signed scriptsig. This makes it possible to use a 2 input CHECKTEMPLATEVERIFY with a legacy pre-signed
spend, as long as the exact scriptsig for the legacy output is committed. This is more robust than spend, as long as the exact scriptsig for the legacy output is committed. This is more robust than
simply disallowing any scriptSig to be set with CHECKTEMPLATEVERIFY. simply disallowing any scriptSig to be set with CHECKTEMPLATEVERIFY.