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Expose blst internals (#6829)

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This commit is contained in:
Daniel Knopik
2025-02-24 04:39:20 +01:00
committed by GitHub
parent 01df433dfd
commit 60964fc7b5
6 changed files with 101 additions and 6 deletions
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10
crypto/bls/src/impls/blst.rs
View File

@@ -5,7 +5,7 @@ use crate::{
GenericPublicKey, TPublicKey, PUBLIC_KEY_BYTES_LEN, PUBLIC_KEY_UNCOMPRESSED_BYTES_LEN,
},
generic_secret_key::TSecretKey,
generic_signature::{TSignature, SIGNATURE_BYTES_LEN},
generic_signature::{TSignature, SIGNATURE_BYTES_LEN, SIGNATURE_UNCOMPRESSED_BYTES_LEN},
BlstError, Error, Hash256, ZeroizeHash, INFINITY_SIGNATURE,
};
pub use blst::min_pk as blst_core;
@@ -189,10 +189,18 @@ impl TSignature<blst_core::PublicKey> for blst_core::Signature {
self.to_bytes()
}
fn serialize_uncompressed(&self) -> [u8; SIGNATURE_UNCOMPRESSED_BYTES_LEN] {
self.serialize()
}
fn deserialize(bytes: &[u8]) -> Result<Self, Error> {
Self::from_bytes(bytes).map_err(Into::into)
}
fn deserialize_uncompressed(bytes: &[u8]) -> Result<Self, Error> {
Self::deserialize(bytes).map_err(Into::into)
}
fn verify(&self, pubkey: &blst_core::PublicKey, msg: Hash256) -> bool {
// Public keys have already been checked for subgroup and infinity
// Check Signature inside function for subgroup

12
crypto/bls/src/impls/fake_crypto.rs
View File

@@ -5,7 +5,7 @@ use crate::{
GenericPublicKey, TPublicKey, PUBLIC_KEY_BYTES_LEN, PUBLIC_KEY_UNCOMPRESSED_BYTES_LEN,
},
generic_secret_key::{TSecretKey, SECRET_KEY_BYTES_LEN},
generic_signature::{TSignature, SIGNATURE_BYTES_LEN},
generic_signature::{TSignature, SIGNATURE_BYTES_LEN, SIGNATURE_UNCOMPRESSED_BYTES_LEN},
Error, Hash256, ZeroizeHash, INFINITY_PUBLIC_KEY, INFINITY_SIGNATURE,
};
@@ -106,12 +106,22 @@ impl TSignature<PublicKey> for Signature {
self.0
}
fn serialize_uncompressed(&self) -> [u8; SIGNATURE_UNCOMPRESSED_BYTES_LEN] {
let mut ret = [0; SIGNATURE_UNCOMPRESSED_BYTES_LEN];
ret[0..SIGNATURE_BYTES_LEN].copy_from_slice(&self.0);
ret
}
fn deserialize(bytes: &[u8]) -> Result<Self, Error> {
let mut signature = Self::infinity();
signature.0[..].copy_from_slice(&bytes[0..SIGNATURE_BYTES_LEN]);
Ok(signature)
}
fn deserialize_uncompressed(bytes: &[u8]) -> Result<Self, Error> {
Self::deserialize(bytes)
}
fn verify(&self, _pubkey: &PublicKey, _msg: Hash256) -> bool {
true
}