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SEC-19 ECDSA recovery id (V) is casted from uint64 to single byte #456

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Gustav-Simonsson opened this issue Mar 11, 2015 · 1 comment
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SEC-19 ECDSA recovery id (V) is casted from uint64 to single byte #456

Gustav-Simonsson opened this issue Mar 11, 2015 · 1 comment
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Frontier

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@Gustav-Simonsson
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V can be treated as an integer everywhere it is used in the Go code, which avoids possibility of truncation of high bytes when casting from uint64 to (a single) byte.

See YP Appendix F.
@Gustav-Simonsson Gustav-Simonsson changed the title SEC-19 Always handle ECDSA recovery id (V) as integer to avoid type casting SEC-19 ECDSA recovery id (V) is casted from uint64 to single byte Mar 11, 2015
@obscuren
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An integer in go is not a single byte. It's either int32 or int64 depending on the host. V should always be a single byte. I'll change the implementation to take a byte rather than an uint64.

@obscuren obscuren added this to the Frontier milestone Mar 11, 2015
jpeletier pushed a commit to epiclabs-io/go-ethereum that referenced this issue Apr 27, 2018
@zelig
Merge pull request ethereum#456 from ethersphere/fix-hashmatcher
9cbaf29 
Fix hashMatcher
maoueh pushed a commit to streamingfast/go-ethereum that referenced this issue Nov 12, 2021
@j75689
ci: unit test and truffle test (ethereum#456)
f2f68db 
* ci: add unit test

fix: failed on test

* ci: add truffle test

* ci: update os version

* ci: add cache for go build
@AndreiShybin AndreiShybin mentioned this issue Nov 5, 2022
Open
@AndreiShybin AndreiShybin mentioned this issue Dec 26, 2022
Open
maoueh pushed a commit to streamingfast/go-ethereum that referenced this issue Jan 6, 2023
@0xsharma
Merge pull request ethereum#456 from maticnetwork/shivam/pos-636
f184772 
Cover Bor Filters with testcases
tanishqjasoria pushed a commit to tanishqjasoria/go-ethereum that referenced this issue Oct 31, 2023
@Thegaram
refactor: improve L1MessageTx tests (ethereum#456)
edaf59b
spencer-tb pushed a commit to spencer-tb/go-ethereum that referenced this issue Jul 30, 2024
@gballet
parent state root in execution witness (ethereum#456)
0fe1b30 
* parent state root in execution witness

* generate headers with go 1.21
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@Gustav-Simonsson @obscuren