Eddsa streaming stack savings again

LedgerHQ / ledger-device-rust-sdk

Rust SDK for Ledger device applications

Apache License 2.0

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Closed yhql closed 6 months ago

yhql commented 6 months ago

Avoid a copy in big_r.into_iter
Use a reset function to reinitialize hash state instead of recreating a whole Sha2_512 on stack
Split the "compute r" and "compute s" parts of finalize for easier stack tracking