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jasmin2ec: allow to extract declassified values #1282

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jasmin2ec: allow to extract declassified values #1282

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e978ad9
style(toEC): use namespace for module of type `EcLeakage` in functor …
loutr Apr 16, 2025
93150cc
feat(toEC): implement declassification leakage
loutr Apr 17, 2025
59d3756
feat(jasmin2ec): provide proper CLI option for declassified leakage
loutr Apr 17, 2025
6d2bdf9
feat: import Declassify library in extracted programs
loutr Sep 17, 2025
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18 changes: 14 additions & 4 deletions compiler/entry/jasmin2ec.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,16 @@ let parse_and_extract arch call_conv idirs =
exit 1

let model =
let alts =
[ ("normal", Normal); ("CT", ConstantTime); ("CTG", ConstantTimeGlobal) ]
let with_decl = function
| "normal" -> "D"
| s -> s ^ "+D"
in
let models (kw, mode) = [
(kw, (mode, Normal));
(with_decl kw, (mode, DeclassifyConstant))
] in
let alts = List.concat_map models
[ ("CT", ConstantTime); ("CTG", ConstantTimeGlobal); ("normal", Normal) ]
in
let doc =
"Extraction model.
Expand All @@ -59,9 +67,11 @@ let model =
'cryptographic constant time' (if/while conditions, memory access
addresses, array indices, for loop bounds).
(Deprecated) $(b,CTG): Cryptographic constant time leakage is added to a
global variable."
global variable.
These options can be suffixed with a $(b,+D) in order to obtain
declassified value leakage (as in $(b,D), $(b,CT+D) and $(b,CTG+D))."
in
Arg.(value & opt (Arg.enum alts) Normal & info [ "m"; "model" ] ~doc)
Arg.(value & opt (Arg.enum alts) (Normal, Normal) & info [ "m"; "model" ] ~doc)

let array_model =
let alts =
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