On Fri, Sep 22, 2017 at 2:54 PM, Sergio Demian Lerner via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote:
> If the variable size increase is only a few bytes, then three > possibilities arise: > > - one should allow signatures to be zero padded (to reach the maximum > size) and abandon strict DER encoding > > - one should allow spare witness stack elements (to pad the size to match > the maximum size) and remove the cleanstack rule. But this is tricky > because empty stack elements must be counted as 1 byte. > > - signers must loop the generation of signatures until the signature > generated is of its maximum size. > Or (my preference); - Get rid of DER encoding alltogether and switch to fixed size signatures. Cheers, -- Pieter
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