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Add OPRF root step to compact #830

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merged 3 commits into from
Nov 3, 2023
Merged

Add OPRF root step to compact #830

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815f717
Add OPRF root step to compact
akoshelev Nov 2, 2023
fa9dd32
Fix a compile bug inside compact map
akoshelev Nov 2, 2023
ddcdfac
Reorder constants and fix the step number for OPRF
akoshelev Nov 2, 2023
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7 changes: 6 additions & 1 deletion src/protocol/step/compact.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -34,15 +34,17 @@ impl Debug for Compact {
}

const ROOT_STATE: u16 = 0;
const PRSS_EXCHANGE_STATE: u16 = 65531;
const QUERY_TYPE_SEMIHONEST_STATE: u16 = 65533;
const QUERY_TYPE_MALICIOUS_STATE: u16 = 65532;
const PRSS_EXCHANGE_STATE: u16 = 65531;
const QUERY_TYPE_OPRF_STATE: u16 = 65530;

impl StepNarrow<QueryType> for Compact {
fn narrow(&self, step: &QueryType) -> Self {
match step {
QueryType::SemiHonestIpa(_) => Self(QUERY_TYPE_SEMIHONEST_STATE),
QueryType::MaliciousIpa(_) => Self(QUERY_TYPE_MALICIOUS_STATE),
QueryType::OprfIpa(_) => Self(QUERY_TYPE_OPRF_STATE),
_ => panic!("cannot narrow from the invalid step {}", step.as_ref()),
}
}
Expand All @@ -60,6 +62,7 @@ fn static_reverse_state_map(state: u16) -> &'static str {
ROOT_STATE => "run-0",
QUERY_TYPE_SEMIHONEST_STATE => QueryType::SEMIHONEST_IPA_STR,
QUERY_TYPE_MALICIOUS_STATE => QueryType::MALICIOUS_IPA_STR,
QUERY_TYPE_OPRF_STATE => QueryType::OPRF_IPA_STR,
PRSS_EXCHANGE_STATE => PrssExchangeStep.as_ref(),
_ => panic!("cannot as_ref() from the invalid state {state}"),
}
Expand All @@ -72,6 +75,8 @@ fn static_deserialize_state_map(s: &str) -> u16 {
return QUERY_TYPE_SEMIHONEST_STATE;
} else if s == QueryType::MALICIOUS_IPA_STR {
return QUERY_TYPE_MALICIOUS_STATE;
} else if s == QueryType::OPRF_IPA_STR {
return QUERY_TYPE_OPRF_STATE;
} else if s == PrssExchangeStep.as_ref() {
return PRSS_EXCHANGE_STATE;
}
Expand Down