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Finally make modular-frost work with alloc alone

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Carries the update to `frost-schnorrkel` and `bitcoin-serai`.
This commit is contained in:
Luke Parker
2025-09-15 23:16:11 -04:00
parent 2be69b23b1
commit ddb8e1398e
20 changed files with 280 additions and 204 deletions
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68
crypto/frost/Cargo.toml
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@@ -17,33 +17,35 @@ rustdoc-args = ["--cfg", "docsrs"]
workspace = true
[dependencies]
thiserror = { version = "2", default-features = false, features = ["std"] }
std-shims = { version = "0.1", path = "../../common/std-shims", default-features = false, features = ["alloc"] }
rand_core = { version = "0.6", default-features = false, features = ["std"] }
rand_chacha = { version = "0.3", default-features = false, features = ["std"] }
thiserror = { version = "2", default-features = false }
zeroize = { version = "^1.5", default-features = false, features = ["std", "zeroize_derive"] }
subtle = { version = "^2.4", default-features = false, features = ["std"] }
rand_core = { version = "0.6", default-features = false, features = ["alloc"] }
rand_chacha = { version = "0.3", default-features = false }
hex = { version = "0.4", default-features = false, features = ["std"], optional = true }
zeroize = { version = "^1.5", default-features = false, features = ["alloc", "zeroize_derive"] }
subtle = { version = "^2.4", default-features = false }
transcript = { package = "flexible-transcript", path = "../transcript", version = "^0.3.2", default-features = false, features = ["std", "recommended"] }
hex = { version = "0.4", default-features = false, features = ["alloc"], optional = true }
dalek-ff-group = { path = "../dalek-ff-group", version = "0.5", default-features = false, features = ["std"], optional = true }
minimal-ed448 = { path = "../ed448", version = "0.4", default-features = false, features = ["std"], optional = true }
transcript = { package = "flexible-transcript", path = "../transcript", version = "^0.3.2", default-features = false, features = ["recommended"] }
ciphersuite = { path = "../ciphersuite", version = "^0.4.1", default-features = false, features = ["std"] }
dalek-ff-group = { path = "../dalek-ff-group", version = "0.5", default-features = false, features = ["alloc"], optional = true }
minimal-ed448 = { path = "../ed448", version = "0.4", default-features = false, features = ["alloc"], optional = true }
ciphersuite = { path = "../ciphersuite", version = "^0.4.1", default-features = false, features = ["alloc"] }
sha2 = { version = "0.10.0", default-features = false, optional = true }
elliptic-curve = { version = "0.13", default-features = false, features = ["hash2curve"], optional = true }
ciphersuite-kp256 = { path = "../ciphersuite/kp256", version = "0.4", default-features = false, features = ["std"], optional = true }
ciphersuite-kp256 = { path = "../ciphersuite/kp256", version = "0.4", default-features = false, features = ["alloc"], optional = true }
multiexp = { path = "../multiexp", version = "0.4", default-features = false, features = ["std", "batch"] }
multiexp = { path = "../multiexp", version = "0.4", default-features = false, features = ["alloc", "batch"] }
schnorr = { package = "schnorr-signatures", path = "../schnorr", version = "^0.5.1", default-features = false, features = ["std"] }
schnorr = { package = "schnorr-signatures", path = "../schnorr", version = "^0.5.1", default-features = false, features = ["alloc"] }
dkg = { path = "../dkg", version = "0.6.1", default-features = false, features = ["std"] }
dkg-recovery = { path = "../dkg/recovery", version = "0.6", default-features = false, features = ["std"], optional = true }
dkg-dealer = { path = "../dkg/dealer", version = "0.6", default-features = false, features = ["std"], optional = true }
dkg = { path = "../dkg", version = "0.6.1", default-features = false }
dkg-recovery = { path = "../dkg/recovery", version = "0.6", default-features = false, optional = true }
dkg-dealer = { path = "../dkg/dealer", version = "0.6", default-features = false, optional = true }
[dev-dependencies]
hex = "0.4"
@@ -54,6 +56,38 @@ dkg-recovery = { path = "../dkg/recovery", default-features = false, features =
dkg-dealer = { path = "../dkg/dealer", default-features = false, features = ["std"] }
[features]
std = [
"std-shims/std",
"thiserror/std",
"rand_core/std",
"rand_chacha/std",
"zeroize/std",
"subtle/std",
"hex?/std",
"transcript/std",
"dalek-ff-group?/std",
"minimal-ed448?/std",
"ciphersuite/std",
"sha2?/std",
"elliptic-curve?/std",
"ciphersuite-kp256?/std",
"multiexp/std",
"schnorr/std",
"dkg/std",
"dkg-recovery?/std",
"dkg-dealer?/std",
]
ed25519 = ["dalek-ff-group"]
ristretto = ["dalek-ff-group"]
@@ -63,3 +97,5 @@ p256 = ["sha2", "elliptic-curve", "ciphersuite-kp256"]
ed448 = ["minimal-ed448"]
tests = ["hex", "rand_core/getrandom", "dkg-dealer", "dkg-recovery"]
default = ["std"]

4
crypto/frost/src/algorithm.rs
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@@ -1,5 +1,7 @@
use core::{marker::PhantomData, fmt::Debug};
use std::io::{self, Read, Write};
#[allow(unused_imports)]
use std_shims::prelude::*;
use std_shims::io::{self, Read, Write};
use zeroize::Zeroizing;
use rand_core::{RngCore, CryptoRng};

4
crypto/frost/src/curve/mod.rs
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@@ -1,5 +1,7 @@
use core::{ops::Deref, convert::AsRef};
use std::io::{self, Read};
#[allow(unused_imports)]
use std_shims::prelude::*;
use std_shims::io::{self, Read};
use rand_core::{RngCore, CryptoRng};

5
crypto/frost/src/lib.rs
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@@ -1,8 +1,11 @@
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
#![doc = include_str!("../README.md")]
#![cfg_attr(not(feature = "std"), no_std)]
use core::fmt::Debug;
use std::collections::HashMap;
#[allow(unused_imports)]
use std_shims::prelude::*;
use std_shims::collections::HashMap;
use thiserror::Error;

4
crypto/frost/src/nonce.rs
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@@ -6,7 +6,9 @@
// Each nonce remains of the form (d, e) and made into a proper nonce with d + (e * b)
use core::ops::Deref;
use std::{
#[allow(unused_imports)]
use std_shims::prelude::*;
use std_shims::{
io::{self, Read, Write},
collections::HashMap,
};

4
crypto/frost/src/sign.rs
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@@ -1,5 +1,7 @@
use core::{ops::Deref, fmt::Debug};
use std::{
#[allow(unused_imports)]
use std_shims::prelude::*;
use std_shims::{
io::{self, Read, Write},
collections::HashMap,
};

2
crypto/frost/src/tests/mod.rs
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@@ -1,4 +1,4 @@
use std::collections::HashMap;
use std_shims::collections::HashMap;
use rand_core::{RngCore, CryptoRng};

2
crypto/frost/src/tests/nonces.rs
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@@ -1,4 +1,4 @@
use std::io::{self, Read};
use std_shims::io::{self, Read};
use zeroize::Zeroizing;

4
crypto/frost/src/tests/vectors.rs
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@@ -1,8 +1,8 @@
use core::ops::Deref;
use std::collections::HashMap;
use std_shims::collections::HashMap;
#[cfg(test)]
use std::str::FromStr;
use core::str::FromStr;
use zeroize::Zeroizing;

33
crypto/schnorrkel/Cargo.toml
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@@ -17,18 +17,35 @@ rustdoc-args = ["--cfg", "docsrs"]
workspace = true
[dependencies]
rand_core = "0.6"
zeroize = "^1.5"
std-shims = { version = "0.1", default-features = false, features = ["alloc"] }
transcript = { package = "flexible-transcript", path = "../transcript", version = "^0.3.2", features = ["merlin"] }
rand_core = { version = "0.6", default-features = false }
zeroize = { version = "1.5", default-features = false, features = ["zeroize_derive", "alloc"] }
group = "0.13"
transcript = { package = "flexible-transcript", path = "../transcript", version = "0.3.2", default-features = false, features = ["merlin"] }
ciphersuite = { path = "../ciphersuite", version = "^0.4.1", features = ["std"] }
schnorr = { package = "schnorr-signatures", path = "../schnorr", version = "^0.5.1" }
frost = { path = "../frost", package = "modular-frost", version = "0.11.0", features = ["ristretto"] }
ciphersuite = { path = "../ciphersuite", version = "0.4.1", default-features = false, features = ["alloc"] }
schnorr = { package = "schnorr-signatures", path = "../schnorr", version = "0.5.1", default-features = false, features = ["alloc"] }
frost = { path = "../frost", package = "modular-frost", version = "0.11.0", default-features = false, features = ["ristretto"] }
schnorrkel = { version = "0.11" }
schnorrkel = { version = "0.11", default-features = false, features = ["alloc"] }
[dev-dependencies]
frost = { path = "../frost", package = "modular-frost", features = ["tests"] }
[features]
std = [
"std-shims/std",
"rand_core/std",
"zeroize/std",
"transcript/std",
"ciphersuite/std",
"schnorr/std",
"frost/std",
"schnorrkel/std",
]
default = ["std"]

5
crypto/schnorrkel/src/lib.rs
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@@ -1,7 +1,10 @@
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
#![doc = include_str!("../README.md")]
#![cfg_attr(not(feature = "std"), no_std)]
use std::io::{self, Read};
#[allow(unused_imports)]
use std_shims::prelude::*;
use std_shims::io::{self, Read};
use rand_core::{RngCore, CryptoRng};

2
crypto/schnorrkel/src/tests.rs
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@@ -1,6 +1,6 @@
use rand_core::OsRng;
use group::GroupEncoding;
use ciphersuite::group::GroupEncoding;
use frost::{
Participant,
tests::{key_gen, algorithm_machines, sign},