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feat(crypto): Add Key Evolving Signatures (KES)

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This commit is contained in:
Andrew Westberg 2024-10-03 14:02:36 +00:00
parent 33b076ad23
commit 7d79407163
11 changed files with 217 additions and 18 deletions
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8
pallas-traverse/src/hashes.rs
View file

@ -52,7 +52,13 @@ impl ComputeHash<32> for alonzo::Header {
}
}
impl OriginalHash<32> for KeepRaw<'_, alonzo::Header> {
impl OriginalHash<32> for KeepRaw<'_, alonzo::MintedHeader<'_>> {
fn original_hash(&self) -> pallas_crypto::hash::Hash<32> {
Hasher::<256>::hash(self.raw_cbor())
}
}
impl OriginalHash<32> for KeepRaw<'_, babbage::MintedHeader<'_>> {
fn original_hash(&self) -> pallas_crypto::hash::Hash<32> {
Hasher::<256>::hash(self.raw_cbor())
}

13
pallas-traverse/src/header.rs
View file

@ -87,6 +87,15 @@ impl<'b> MultiEraHeader<'b> {
}
}
pub fn header_body_cbor(&self) -> Option<&'b [u8]> {
match self {
MultiEraHeader::ShelleyCompatible(x) => Some(x.header_body.raw_cbor()),
MultiEraHeader::BabbageCompatible(x) => Some(x.header_body.raw_cbor()),
MultiEraHeader::EpochBoundary(_) => None,
MultiEraHeader::Byron(_) => None,
}
}
pub fn vrf_vkey(&self) -> Option<&[u8]> {
match self {
MultiEraHeader::ShelleyCompatible(x) => Some(x.header_body.vrf_vkey.as_ref()),
@ -137,14 +146,14 @@ impl<'b> MultiEraHeader<'b> {
}
}
pub fn as_alonzo(&self) -> Option<&alonzo::Header> {
pub fn as_alonzo(&self) -> Option<&alonzo::MintedHeader> {
match self {
MultiEraHeader::ShelleyCompatible(x) => Some(x.deref().deref()),
_ => None,
}
}
pub fn as_babbage(&self) -> Option<&babbage::Header> {
pub fn as_babbage(&self) -> Option<&babbage::MintedHeader> {
match self {
MultiEraHeader::BabbageCompatible(x) => Some(x.deref().deref()),
_ => None,

4
pallas-traverse/src/lib.rs
View file

@ -66,8 +66,8 @@ pub enum Feature {
#[derive(Debug)]
pub enum MultiEraHeader<'b> {
EpochBoundary(Cow<'b, KeepRaw<'b, byron::EbbHead>>),
ShelleyCompatible(Cow<'b, KeepRaw<'b, alonzo::Header>>),
BabbageCompatible(Cow<'b, KeepRaw<'b, babbage::Header>>),
ShelleyCompatible(Cow<'b, KeepRaw<'b, alonzo::MintedHeader<'b>>>),
BabbageCompatible(Cow<'b, KeepRaw<'b, babbage::MintedHeader<'b>>>),
Byron(Cow<'b, KeepRaw<'b, byron::BlockHead>>),
}