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pkcs1v15: implement implicit rejection - #749
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Avoid a padding oracle by returning a deterministic rejection symbol rather than an error on padding failures. See sections 7.1/7.2 of: https://www.ietf.org/archive/id/draft-irtf-cfrg-rsa-guidance-10.html Incorporates some of the code from #680 / #702, where some of the code from the latter was merged in #739 (blinding support). Uses `cargo checkct` / BINSEC to verify constant-time operation. Closes #626
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Avoid a padding oracle by returning a deterministic rejection symbol rather than an error on padding failures. See sections 7.1/7.2 of:
https://www.ietf.org/archive/id/draft-irtf-cfrg-rsa-guidance-10.html
Incorporates some of the code from #680 / #702, where some of the code from the latter was merged in #739 (blinding support).
Uses
cargo checkct/ BINSEC to verify constant-time operation.Closes #626