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Zero padding Signature r-value/s-value to 32 bytes (release/21.0.x branch) #668

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merged 2 commits into from
Feb 4, 2020

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Change Description

With the current v21 release candidate, signatures that have less than 32 byte r or s values will generate signatures with lengths less than the 65 bytes necessary. The r and s need to be zero padded to resolve this issue. The elliptic library uses bn.js for the r and s values and the .toArray operation has a length argument with the purpose of zero padding the value to the length.

Second PR to cherry pick commits to release/21.0.x branch

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@bradlhart bradlhart merged commit 36bac5a into release/21.0.x Feb 4, 2020
@bradlhart bradlhart deleted the signature-s-32-bytes branch February 4, 2020 15:24
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