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rust-secp256k1-unsafe-fast
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Fix feature gating 

Currently we have a few problems with our feature gating, attempt to
audit all feature gating and fix it by doing:

1. Do not enable features on optional dependencies (`rand` and
   `bitcoin-hashes`) in dev-dependencies, doing so hides broken feature
   gating in unit tests.
2. Do not use unnecessary feature combinations when one feature enables
   another e.g. `any(feature = "std", feature = "alloc")`.
3. Enable "std" from "rand-std" and "bitcoin-std" (and fix features
   gating as for point 2).
4. Clean up code around `rand::thread_rng`, this is part of this patch
   because `thread_rng` requires the "rand-std" feature.
5. Clean up CI test script to test each feature individually now that
   "rand-std" and "bitcoin-hashes-std" enable "std".
This commit is contained in:
Tobin C. Harding 2022-11-18 10:00:23 +11:00
parent a777942da1
commit 9c748550b4
11 changed files with 210 additions and 241 deletions
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12
Cargo.toml
View File

@ -23,8 +23,8 @@ std = ["alloc", "secp256k1-sys/std"]
# allow use of Secp256k1::new and related API that requires an allocator # allow use of Secp256k1::new and related API that requires an allocator
alloc = ["secp256k1-sys/alloc"] alloc = ["secp256k1-sys/alloc"]
bitcoin-hashes = ["bitcoin_hashes"] # Feature alias because of the underscore. bitcoin-hashes = ["bitcoin_hashes"] # Feature alias because of the underscore.
bitcoin-hashes-std = ["bitcoin-hashes", "bitcoin_hashes/std"] bitcoin-hashes-std = ["std", "bitcoin_hashes/std"]
rand-std = ["rand/std", "rand/std_rng"] rand-std = ["std", "rand/std", "rand/std_rng"]
recovery = ["secp256k1-sys/recovery"] recovery = ["secp256k1-sys/recovery"]
lowmemory = ["secp256k1-sys/lowmemory"] lowmemory = ["secp256k1-sys/lowmemory"]
global-context = ["std"] global-context = ["std"]
@ -46,10 +46,8 @@ bitcoin_hashes = { version = "0.11", default-features = false, optional = true }
rand = { version = "0.8", default-features = false, optional = true } rand = { version = "0.8", default-features = false, optional = true }
[dev-dependencies] [dev-dependencies]
rand = "0.8"
rand_core = "0.6" rand_core = "0.6"
serde_test = "1.0" serde_test = "1.0"
bitcoin_hashes = "0.11"
bincode = "1.3.3" bincode = "1.3.3"
# cbor does not build on WASM, we use it in a single trivial test (an example of when # cbor does not build on WASM, we use it in a single trivial test (an example of when
@ -64,15 +62,15 @@ getrandom = { version = "0.2", features = ["js"] }
[[example]] [[example]]
name = "sign_verify_recovery" name = "sign_verify_recovery"
required-features = ["std", "recovery"] required-features = ["recovery", "bitcoin-hashes-std"]
[[example]] [[example]]
name = "sign_verify" name = "sign_verify"
required-features = ["std"] required-features = ["bitcoin-hashes-std"]
[[example]] [[example]]
name = "generate_keys" name = "generate_keys"
required-features = ["std", "rand-std"] required-features = ["rand-std"]
[workspace] [workspace]
members = ["secp256k1-sys"] members = ["secp256k1-sys"]

14
contrib/test.sh
View File

@ -2,10 +2,7 @@
set -ex set -ex
FEATURES="bitcoin-hashes global-context lowmemory rand recovery serde std alloc" FEATURES="bitcoin-hashes global-context lowmemory rand recovery serde std alloc bitcoin-hashes-std rand-std"
# These features are typically enabled along with the 'std' feature, so we test
# them together with 'std'.
STD_FEATURES="rand-std bitcoin-hashes-std"
cargo --version cargo --version
rustc --version rustc --version
@ -49,7 +46,6 @@ if [ "$DO_FEATURE_MATRIX" = true ]; then
RUSTFLAGS='--cfg=fuzzing' RUSTDOCFLAGS='--cfg=fuzzing' cargo test --all RUSTFLAGS='--cfg=fuzzing' RUSTDOCFLAGS='--cfg=fuzzing' cargo test --all
RUSTFLAGS='--cfg=fuzzing' RUSTDOCFLAGS='--cfg=fuzzing' cargo test --all --features="$FEATURES" RUSTFLAGS='--cfg=fuzzing' RUSTDOCFLAGS='--cfg=fuzzing' cargo test --all --features="$FEATURES"
cargo test --all --features="rand serde" cargo test --all --features="rand serde"
cargo test --features="$STD_FEATURES"
if [ "$NIGHTLY" = true ]; then if [ "$NIGHTLY" = true ]; then
cargo test --all --all-features cargo test --all --all-features
@ -57,9 +53,9 @@ if [ "$DO_FEATURE_MATRIX" = true ]; then
fi fi
# Examples # Examples
cargo run --example sign_verify --features=std cargo run --example sign_verify --features=bitcoin-hashes-std
cargo run --example sign_verify_recovery --features=std,recovery cargo run --example sign_verify_recovery --features=recovery,bitcoin-hashes-std
cargo run --example generate_keys --features=std,rand-std cargo run --example generate_keys --features=rand-std
fi fi
# Build the docs if told to (this only works with the nightly toolchain) # Build the docs if told to (this only works with the nightly toolchain)
@ -96,7 +92,7 @@ fi
# Bench if told to, only works with non-stable toolchain (nightly, beta). # Bench if told to, only works with non-stable toolchain (nightly, beta).
if [ "$DO_BENCH" = true ] if [ "$DO_BENCH" = true ]
then then
RUSTFLAGS='--cfg=bench' cargo bench --features=recovery RUSTFLAGS='--cfg=bench' cargo bench --features=recovery,rand-std
fi fi
exit 0 exit 0

3
examples/generate_keys.rs
View File

@ -1,11 +1,10 @@
extern crate secp256k1; extern crate secp256k1;
use secp256k1::rand::thread_rng;
use secp256k1::{PublicKey, Secp256k1, SecretKey}; use secp256k1::{PublicKey, Secp256k1, SecretKey};
fn main() { fn main() {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
let mut rng = thread_rng(); let mut rng = rand::thread_rng();
// First option: // First option:
let (seckey, pubkey) = secp.generate_keypair(&mut rng); let (seckey, pubkey) = secp.generate_keypair(&mut rng);

7
src/context.rs
View File

@ -31,8 +31,7 @@ pub mod global {
/// ``` /// ```
/// # #[cfg(all(feature = "global-context", feature = "rand-std"))] { /// # #[cfg(all(feature = "global-context", feature = "rand-std"))] {
/// use secp256k1::{PublicKey, SECP256K1}; /// use secp256k1::{PublicKey, SECP256K1};
/// use secp256k1::rand::thread_rng; /// let _ = SECP256K1.generate_keypair(&mut rand::thread_rng());
/// let _ = SECP256K1.generate_keypair(&mut thread_rng());
/// # } /// # }
/// ``` /// ```
pub static SECP256K1: &GlobalContext = &GlobalContext { __private: () }; pub static SECP256K1: &GlobalContext = &GlobalContext { __private: () };
@ -106,7 +105,7 @@ mod private {
} }
#[cfg(feature = "alloc")] #[cfg(feature = "alloc")]
#[cfg_attr(docsrs, doc(cfg(any(feature = "alloc"))))] #[cfg_attr(docsrs, doc(cfg(feature = "alloc")))]
mod alloc_only { mod alloc_only {
use core::marker::PhantomData; use core::marker::PhantomData;
@ -176,7 +175,7 @@ mod alloc_only {
/// If `rand-std` feature is enabled, context will have been randomized using `thread_rng`. /// If `rand-std` feature is enabled, context will have been randomized using `thread_rng`.
/// If `rand-std` feature is not enabled please consider randomizing the context as follows: /// If `rand-std` feature is not enabled please consider randomizing the context as follows:
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// # use secp256k1::Secp256k1; /// # use secp256k1::Secp256k1;
/// # use secp256k1::rand::{thread_rng, RngCore}; /// # use secp256k1::rand::{thread_rng, RngCore};
/// let mut ctx = Secp256k1::new(); /// let mut ctx = Secp256k1::new();

37
src/ecdh.rs
View File

@ -32,13 +32,12 @@ const SHARED_SECRET_SIZE: usize = constants::SECRET_KEY_SIZE;
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// # use secp256k1::Secp256k1; /// # use secp256k1::{rand, Secp256k1};
/// # use secp256k1::ecdh::SharedSecret; /// # use secp256k1::ecdh::SharedSecret;
/// # use secp256k1::rand::thread_rng;
/// let s = Secp256k1::new(); /// let s = Secp256k1::new();
/// let (sk1, pk1) = s.generate_keypair(&mut thread_rng()); /// let (sk1, pk1) = s.generate_keypair(&mut rand::thread_rng());
/// let (sk2, pk2) = s.generate_keypair(&mut thread_rng()); /// let (sk2, pk2) = s.generate_keypair(&mut rand::thread_rng());
/// let sec1 = SharedSecret::new(&pk2, &sk1); /// let sec1 = SharedSecret::new(&pk2, &sk1);
/// let sec2 = SharedSecret::new(&pk1, &sk2); /// let sec2 = SharedSecret::new(&pk1, &sk2);
/// assert_eq!(sec1, sec2); /// assert_eq!(sec1, sec2);
@ -122,14 +121,13 @@ impl AsRef<[u8]> for SharedSecret {
/// ///
/// # Examples /// # Examples
/// ``` /// ```
/// # #[cfg(all(feature = "bitcoin-hashes-std", feature = "rand-std", feature = "std"))] { /// # #[cfg(all(feature = "bitcoin-hashes-std", feature = "rand-std"))] {
/// # use secp256k1::{ecdh, Secp256k1, PublicKey, SecretKey}; /// # use secp256k1::{ecdh, rand, Secp256k1, PublicKey, SecretKey};
/// # use secp256k1::hashes::{Hash, sha512}; /// # use secp256k1::hashes::{Hash, sha512};
/// # use secp256k1::rand::thread_rng;
/// ///
/// let s = Secp256k1::new(); /// let s = Secp256k1::new();
/// let (sk1, pk1) = s.generate_keypair(&mut thread_rng()); /// let (sk1, pk1) = s.generate_keypair(&mut rand::thread_rng());
/// let (sk2, pk2) = s.generate_keypair(&mut thread_rng()); /// let (sk2, pk2) = s.generate_keypair(&mut rand::thread_rng());
/// ///
/// let point1 = ecdh::shared_secret_point(&pk2, &sk1); /// let point1 = ecdh::shared_secret_point(&pk2, &sk1);
/// let secret1 = sha512::Hash::hash(&point1); /// let secret1 = sha512::Hash::hash(&point1);
@ -201,7 +199,6 @@ impl<'de> ::serde::Deserialize<'de> for SharedSecret {
#[cfg(test)] #[cfg(test)]
#[allow(unused_imports)] #[allow(unused_imports)]
mod tests { mod tests {
use rand::thread_rng;
#[cfg(target_arch = "wasm32")] #[cfg(target_arch = "wasm32")]
use wasm_bindgen_test::wasm_bindgen_test as test; use wasm_bindgen_test::wasm_bindgen_test as test;
@ -209,11 +206,11 @@ mod tests {
use crate::Secp256k1; use crate::Secp256k1;
#[test] #[test]
#[cfg(all(feature = "rand-std", any(feature = "alloc", feature = "std")))] #[cfg(feature = "rand-std")]
fn ecdh() { fn ecdh() {
let s = Secp256k1::signing_only(); let s = Secp256k1::signing_only();
let (sk1, pk1) = s.generate_keypair(&mut thread_rng()); let (sk1, pk1) = s.generate_keypair(&mut rand::thread_rng());
let (sk2, pk2) = s.generate_keypair(&mut thread_rng()); let (sk2, pk2) = s.generate_keypair(&mut rand::thread_rng());
let sec1 = SharedSecret::new(&pk2, &sk1); let sec1 = SharedSecret::new(&pk2, &sk1);
let sec2 = SharedSecret::new(&pk1, &sk2); let sec2 = SharedSecret::new(&pk1, &sk2);
@ -241,15 +238,15 @@ mod tests {
#[test] #[test]
#[cfg(not(fuzzing))] #[cfg(not(fuzzing))]
#[cfg(all(feature = "std", feature = "rand-std", feature = "bitcoin-hashes-std"))] #[cfg(all(feature = "bitcoin-hashes-std", feature = "rand-std"))]
fn bitcoin_hashes_and_sys_generate_same_secret() { fn bitcoin_hashes_and_sys_generate_same_secret() {
use bitcoin_hashes::{sha256, Hash, HashEngine}; use bitcoin_hashes::{sha256, Hash, HashEngine};
use crate::ecdh::shared_secret_point; use crate::ecdh::shared_secret_point;
let s = Secp256k1::signing_only(); let s = Secp256k1::signing_only();
let (sk1, _) = s.generate_keypair(&mut thread_rng()); let (sk1, _) = s.generate_keypair(&mut rand::thread_rng());
let (_, pk2) = s.generate_keypair(&mut thread_rng()); let (_, pk2) = s.generate_keypair(&mut rand::thread_rng());
let secret_sys = SharedSecret::new(&pk2, &sk1); let secret_sys = SharedSecret::new(&pk2, &sk1);
@ -266,7 +263,7 @@ mod tests {
} }
#[test] #[test]
#[cfg(all(feature = "serde", any(feature = "alloc", feature = "std")))] #[cfg(all(feature = "serde", feature = "alloc"))]
fn serde() { fn serde() {
use serde_test::{assert_tokens, Configure, Token}; use serde_test::{assert_tokens, Configure, Token};
#[rustfmt::skip] #[rustfmt::skip]
@ -291,8 +288,8 @@ mod tests {
} }
#[cfg(bench)] #[cfg(bench)]
#[cfg(feature = "rand-std")] // Currently only a single bench that requires "rand-std".
mod benches { mod benches {
use rand::thread_rng;
use test::{black_box, Bencher}; use test::{black_box, Bencher};
use super::SharedSecret; use super::SharedSecret;
@ -301,7 +298,7 @@ mod benches {
#[bench] #[bench]
pub fn bench_ecdh(bh: &mut Bencher) { pub fn bench_ecdh(bh: &mut Bencher) {
let s = Secp256k1::signing_only(); let s = Secp256k1::signing_only();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
bh.iter(|| { bh.iter(|| {
let res = SharedSecret::new(&pk, &sk); let res = SharedSecret::new(&pk, &sk);

7
src/ecdsa/mod.rs
View File

@ -364,12 +364,11 @@ impl<C: Verification> Secp256k1<C> {
/// verify-capable context. /// verify-capable context.
/// ///
/// ```rust /// ```rust
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// # use secp256k1::rand::thread_rng; /// # use secp256k1::{rand, Secp256k1, Message, Error};
/// # use secp256k1::{Secp256k1, Message, Error};
/// # /// #
/// # let secp = Secp256k1::new(); /// # let secp = Secp256k1::new();
/// # let (secret_key, public_key) = secp.generate_keypair(&mut thread_rng()); /// # let (secret_key, public_key) = secp.generate_keypair(&mut rand::thread_rng());
/// # /// #
/// let message = Message::from_slice(&[0xab; 32]).expect("32 bytes"); /// let message = Message::from_slice(&[0xab; 32]).expect("32 bytes");
/// let sig = secp.sign_ecdsa(&message, &secret_key); /// let sig = secp.sign_ecdsa(&message, &secret_key);

57
src/ecdsa/recovery.rs
View File

@ -220,7 +220,6 @@ impl<C: Verification> Secp256k1<C> {
#[cfg(test)] #[cfg(test)]
#[allow(unused_imports)] #[allow(unused_imports)]
mod tests { mod tests {
use rand::{thread_rng, RngCore};
#[cfg(target_arch = "wasm32")] #[cfg(target_arch = "wasm32")]
use wasm_bindgen_test::wasm_bindgen_test as test; use wasm_bindgen_test::wasm_bindgen_test as test;
@ -229,18 +228,17 @@ mod tests {
use crate::{Error, Message, Secp256k1, SecretKey}; use crate::{Error, Message, Secp256k1, SecretKey};
#[test] #[test]
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn capabilities() { fn capabilities() {
let sign = Secp256k1::signing_only(); let sign = Secp256k1::signing_only();
let vrfy = Secp256k1::verification_only(); let vrfy = Secp256k1::verification_only();
let full = Secp256k1::new(); let full = Secp256k1::new();
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
// Try key generation // Try key generation
let (sk, pk) = full.generate_keypair(&mut thread_rng()); let (sk, pk) = full.generate_keypair(&mut rand::thread_rng());
// Try signing // Try signing
assert_eq!(sign.sign_ecdsa_recoverable(&msg, &sk), full.sign_ecdsa_recoverable(&msg, &sk)); assert_eq!(sign.sign_ecdsa_recoverable(&msg, &sk), full.sign_ecdsa_recoverable(&msg, &sk));
@ -262,11 +260,11 @@ mod tests {
#[test] #[test]
#[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs #[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs
#[cfg(all(feature="std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
#[rustfmt::skip] #[rustfmt::skip]
fn sign() { fn sign() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
let sk = SecretKey::from_slice(&ONE).unwrap(); let sk = SecretKey::from_slice(&ONE).unwrap();
let msg = Message::from_slice(&ONE).unwrap(); let msg = Message::from_slice(&ONE).unwrap();
@ -287,11 +285,11 @@ mod tests {
#[test] #[test]
#[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs #[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs
#[cfg(all(feature="std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
#[rustfmt::skip] #[rustfmt::skip]
fn sign_with_noncedata() { fn sign_with_noncedata() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
let sk = SecretKey::from_slice(&ONE).unwrap(); let sk = SecretKey::from_slice(&ONE).unwrap();
let msg = Message::from_slice(&ONE).unwrap(); let msg = Message::from_slice(&ONE).unwrap();
@ -312,22 +310,20 @@ mod tests {
} }
#[test] #[test]
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn sign_and_verify_fail() { fn sign_and_verify_fail() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
let sigr = s.sign_ecdsa_recoverable(&msg, &sk); let sigr = s.sign_ecdsa_recoverable(&msg, &sk);
let sig = sigr.to_standard(); let sig = sigr.to_standard();
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
assert_eq!(s.verify_ecdsa(&msg, &sig, &pk), Err(Error::IncorrectSignature)); assert_eq!(s.verify_ecdsa(&msg, &sig, &pk), Err(Error::IncorrectSignature));
@ -336,16 +332,15 @@ mod tests {
} }
#[test] #[test]
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn sign_with_recovery() { fn sign_with_recovery() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
let sig = s.sign_ecdsa_recoverable(&msg, &sk); let sig = s.sign_ecdsa_recoverable(&msg, &sk);
@ -353,18 +348,17 @@ mod tests {
} }
#[test] #[test]
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn sign_with_recovery_and_noncedata() { fn sign_with_recovery_and_noncedata() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let noncedata = [42u8; 32]; let noncedata = [42u8; 32];
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
let sig = s.sign_ecdsa_recoverable_with_noncedata(&msg, &sk, &noncedata); let sig = s.sign_ecdsa_recoverable_with_noncedata(&msg, &sk, &noncedata);
@ -372,10 +366,10 @@ mod tests {
} }
#[test] #[test]
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn bad_recovery() { fn bad_recovery() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
let msg = Message::from_slice(&[0x55; 32]).unwrap(); let msg = Message::from_slice(&[0x55; 32]).unwrap();
@ -438,8 +432,8 @@ mod tests {
} }
#[cfg(bench)] #[cfg(bench)]
#[cfg(feature = "rand-std")] // Currently only a single bench that requires "rand-std".
mod benches { mod benches {
use rand::{thread_rng, RngCore};
use test::{black_box, Bencher}; use test::{black_box, Bencher};
use super::{Message, Secp256k1}; use super::{Message, Secp256k1};
@ -447,10 +441,9 @@ mod benches {
#[bench] #[bench]
pub fn bench_recover(bh: &mut Bencher) { pub fn bench_recover(bh: &mut Bencher) {
let s = Secp256k1::new(); let s = Secp256k1::new();
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let (sk, _) = s.generate_keypair(&mut thread_rng()); let (sk, _) = s.generate_keypair(&mut rand::thread_rng());
let sig = s.sign_ecdsa_recoverable(&msg, &sk); let sig = s.sign_ecdsa_recoverable(&msg, &sk);
bh.iter(|| { bh.iter(|| {

138
src/key.rs
View File

@ -47,7 +47,7 @@ use crate::{hashes, ThirtyTwoByteHash};
/// Basic usage: /// Basic usage:
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{rand, Secp256k1, SecretKey}; /// use secp256k1::{rand, Secp256k1, SecretKey};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -84,7 +84,7 @@ impl str::FromStr for SecretKey {
/// Basic usage: /// Basic usage:
/// ///
/// ``` /// ```
/// # #[cfg(any(feature = "alloc", feature = "std"))] { /// # #[cfg(feature = "alloc")] {
/// use secp256k1::{SecretKey, Secp256k1, PublicKey}; /// use secp256k1::{SecretKey, Secp256k1, PublicKey};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -126,13 +126,6 @@ impl str::FromStr for PublicKey {
} }
} }
#[cfg(any(test, feature = "rand"))]
fn random_32_bytes<R: rand::Rng + ?Sized>(rng: &mut R) -> [u8; 32] {
let mut ret = [0u8; 32];
rng.fill_bytes(&mut ret);
ret
}
impl SecretKey { impl SecretKey {
/// Generates a new random secret key. /// Generates a new random secret key.
/// ///
@ -145,17 +138,17 @@ impl SecretKey {
/// # } /// # }
/// ``` /// ```
#[inline] #[inline]
#[cfg(any(test, feature = "rand"))] #[cfg(feature = "rand")]
#[cfg_attr(docsrs, doc(cfg(feature = "rand")))] #[cfg_attr(docsrs, doc(cfg(feature = "rand")))]
pub fn new<R: rand::Rng + ?Sized>(rng: &mut R) -> SecretKey { pub fn new<R: rand::Rng + ?Sized>(rng: &mut R) -> SecretKey {
let mut data = random_32_bytes(rng); let mut data = crate::random_32_bytes(rng);
unsafe { unsafe {
while ffi::secp256k1_ec_seckey_verify( while ffi::secp256k1_ec_seckey_verify(
ffi::secp256k1_context_no_precomp, ffi::secp256k1_context_no_precomp,
data.as_c_ptr(), data.as_c_ptr(),
) == 0 ) == 0
{ {
data = random_32_bytes(rng); data = crate::random_32_bytes(rng);
} }
} }
SecretKey(data) SecretKey(data)
@ -193,7 +186,7 @@ impl SecretKey {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{rand, Secp256k1, SecretKey, KeyPair}; /// use secp256k1::{rand, Secp256k1, SecretKey, KeyPair};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -394,7 +387,7 @@ impl PublicKey {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{rand, Secp256k1, SecretKey, PublicKey}; /// use secp256k1::{rand, Secp256k1, SecretKey, PublicKey};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -450,7 +443,7 @@ impl PublicKey {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{rand, Secp256k1, PublicKey, KeyPair}; /// use secp256k1::{rand, Secp256k1, PublicKey, KeyPair};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -579,7 +572,7 @@ impl PublicKey {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "rand-std", any(feature = "alloc", feature = "std")))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{rand, Secp256k1}; /// use secp256k1::{rand, Secp256k1};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -605,7 +598,7 @@ impl PublicKey {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{rand, Secp256k1, PublicKey}; /// use secp256k1::{rand, Secp256k1, PublicKey};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -769,7 +762,7 @@ impl core::hash::Hash for PublicKey {
/// Basic usage: /// Basic usage:
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{rand, KeyPair, Secp256k1}; /// use secp256k1::{rand, KeyPair, Secp256k1};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -866,7 +859,7 @@ impl KeyPair {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{rand, Secp256k1, SecretKey, KeyPair}; /// use secp256k1::{rand, Secp256k1, SecretKey, KeyPair};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -874,19 +867,14 @@ impl KeyPair {
/// # } /// # }
/// ``` /// ```
#[inline] #[inline]
#[cfg(any(test, feature = "rand"))] #[cfg(feature = "rand")]
#[cfg_attr(docsrs, doc(cfg(feature = "rand")))] #[cfg_attr(docsrs, doc(cfg(feature = "rand")))]
pub fn new<R: rand::Rng + ?Sized, C: Signing>(secp: &Secp256k1<C>, rng: &mut R) -> KeyPair { pub fn new<R: rand::Rng + ?Sized, C: Signing>(secp: &Secp256k1<C>, rng: &mut R) -> KeyPair {
let mut random_32_bytes = || { let mut data = crate::random_32_bytes(rng);
let mut ret = [0u8; 32];
rng.fill_bytes(&mut ret);
ret
};
let mut data = random_32_bytes();
unsafe { unsafe {
let mut keypair = ffi::KeyPair::new(); let mut keypair = ffi::KeyPair::new();
while ffi::secp256k1_keypair_create(secp.ctx, &mut keypair, data.as_c_ptr()) == 0 { while ffi::secp256k1_keypair_create(secp.ctx, &mut keypair, data.as_c_ptr()) == 0 {
data = random_32_bytes(); data = crate::random_32_bytes(rng);
} }
KeyPair(keypair) KeyPair(keypair)
} }
@ -918,14 +906,13 @@ impl KeyPair {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{Secp256k1, KeyPair, Scalar}; /// use secp256k1::{Secp256k1, KeyPair, Scalar};
/// use secp256k1::rand::{RngCore, thread_rng};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
/// let tweak = Scalar::random(); /// let tweak = Scalar::random();
/// ///
/// let mut key_pair = KeyPair::new(&secp, &mut thread_rng()); /// let mut key_pair = KeyPair::new(&secp, &mut rand::thread_rng());
/// let tweaked = key_pair.add_xonly_tweak(&secp, &tweak).expect("Improbable to fail with a randomly generated tweak"); /// let tweaked = key_pair.add_xonly_tweak(&secp, &tweak).expect("Improbable to fail with a randomly generated tweak");
/// # } /// # }
/// ``` /// ```
@ -999,6 +986,7 @@ impl<'a> From<&'a KeyPair> for PublicKey {
impl str::FromStr for KeyPair { impl str::FromStr for KeyPair {
type Err = Error; type Err = Error;
#[allow(unused_variables, unreachable_code)] // When built with no default features.
fn from_str(s: &str) -> Result<Self, Self::Err> { fn from_str(s: &str) -> Result<Self, Self::Err> {
#[cfg(feature = "global-context")] #[cfg(feature = "global-context")]
let ctx = SECP256K1; let ctx = SECP256K1;
@ -1081,7 +1069,7 @@ impl CPtr for KeyPair {
/// Basic usage: /// Basic usage:
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{rand, Secp256k1, KeyPair, XOnlyPublicKey}; /// use secp256k1::{rand, Secp256k1, KeyPair, XOnlyPublicKey};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
@ -1212,14 +1200,13 @@ impl XOnlyPublicKey {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{Secp256k1, KeyPair, Scalar, XOnlyPublicKey}; /// use secp256k1::{Secp256k1, KeyPair, Scalar, XOnlyPublicKey};
/// use secp256k1::rand::{RngCore, thread_rng};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
/// let tweak = Scalar::random(); /// let tweak = Scalar::random();
/// ///
/// let mut key_pair = KeyPair::new(&secp, &mut thread_rng()); /// let mut key_pair = KeyPair::new(&secp, &mut rand::thread_rng());
/// let (xonly, _parity) = key_pair.x_only_public_key(); /// let (xonly, _parity) = key_pair.x_only_public_key();
/// let tweaked = xonly.add_tweak(&secp, &tweak).expect("Improbable to fail with a randomly generated tweak"); /// let tweaked = xonly.add_tweak(&secp, &tweak).expect("Improbable to fail with a randomly generated tweak");
/// # } /// # }
@ -1273,14 +1260,13 @@ impl XOnlyPublicKey {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(all(feature = "std", feature = "rand-std"))] { /// # #[cfg(feature = "rand-std")] {
/// use secp256k1::{Secp256k1, KeyPair, Scalar}; /// use secp256k1::{Secp256k1, KeyPair, Scalar};
/// use secp256k1::rand::{thread_rng, RngCore};
/// ///
/// let secp = Secp256k1::new(); /// let secp = Secp256k1::new();
/// let tweak = Scalar::random(); /// let tweak = Scalar::random();
/// ///
/// let mut key_pair = KeyPair::new(&secp, &mut thread_rng()); /// let mut key_pair = KeyPair::new(&secp, &mut rand::thread_rng());
/// let (mut public_key, _) = key_pair.x_only_public_key(); /// let (mut public_key, _) = key_pair.x_only_public_key();
/// let original = public_key; /// let original = public_key;
/// let (tweaked, parity) = public_key.add_tweak(&secp, &tweak).expect("Improbable to fail with a randomly generated tweak"); /// let (tweaked, parity) = public_key.add_tweak(&secp, &tweak).expect("Improbable to fail with a randomly generated tweak");
@ -1562,9 +1548,8 @@ pub mod serde_keypair {
mod test { mod test {
use core::str::FromStr; use core::str::FromStr;
use bitcoin_hashes::hex::ToHex; #[cfg(feature = "rand")]
#[cfg(any(feature = "alloc", feature = "std"))] use rand::{self, RngCore, rngs::mock::StepRng};
use rand::{rngs::mock::StepRng, thread_rng, Error, RngCore};
use serde_test::{Configure, Token}; use serde_test::{Configure, Token};
#[cfg(target_arch = "wasm32")] #[cfg(target_arch = "wasm32")]
use wasm_bindgen_test::wasm_bindgen_test as test; use wasm_bindgen_test::wasm_bindgen_test as test;
@ -1612,18 +1597,17 @@ mod test {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn keypair_slice_round_trip() { fn keypair_slice_round_trip() {
let s = Secp256k1::new(); let s = Secp256k1::new();
let (sk1, pk1) = s.generate_keypair(&mut thread_rng()); let (sk1, pk1) = s.generate_keypair(&mut rand::thread_rng());
assert_eq!(SecretKey::from_slice(&sk1[..]), Ok(sk1)); assert_eq!(SecretKey::from_slice(&sk1[..]), Ok(sk1));
assert_eq!(PublicKey::from_slice(&pk1.serialize()[..]), Ok(pk1)); assert_eq!(PublicKey::from_slice(&pk1.serialize()[..]), Ok(pk1));
assert_eq!(PublicKey::from_slice(&pk1.serialize_uncompressed()[..]), Ok(pk1)); assert_eq!(PublicKey::from_slice(&pk1.serialize_uncompressed()[..]), Ok(pk1));
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))]
#[rustfmt::skip] #[rustfmt::skip]
fn invalid_secret_key() { fn invalid_secret_key() {
// Zero // Zero
@ -1651,7 +1635,7 @@ mod test {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(all(feature = "rand", feature = "alloc"))]
fn test_out_of_range() { fn test_out_of_range() {
struct BadRng(u8); struct BadRng(u8);
impl RngCore for BadRng { impl RngCore for BadRng {
@ -1672,7 +1656,7 @@ mod test {
data[31] = self.0; data[31] = self.0;
self.0 -= 1; self.0 -= 1;
} }
fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> { fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), rand::Error> {
self.fill_bytes(dest); self.fill_bytes(dest);
Ok(()) Ok(())
} }
@ -1738,7 +1722,7 @@ mod test {
} }
#[test] #[test]
#[cfg(all(feature = "rand", any(feature = "alloc", feature = "std")))] #[cfg(all(feature = "rand", feature = "alloc"))]
fn test_debug_output() { fn test_debug_output() {
let s = Secp256k1::new(); let s = Secp256k1::new();
let (sk, _) = s.generate_keypair(&mut StepRng::new(1, 1)); let (sk, _) = s.generate_keypair(&mut StepRng::new(1, 1));
@ -1753,7 +1737,7 @@ mod test {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "alloc")]
fn test_display_output() { fn test_display_output() {
#[rustfmt::skip] #[rustfmt::skip]
static SK_BYTES: [u8; 32] = [ static SK_BYTES: [u8; 32] = [
@ -1859,7 +1843,7 @@ mod test {
// In fuzzing mode the Y coordinate is expected to match the X, so this // In fuzzing mode the Y coordinate is expected to match the X, so this
// test uses invalid public keys. // test uses invalid public keys.
#[cfg(not(fuzzing))] #[cfg(not(fuzzing))]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(all(feature = "alloc", feature = "rand"))]
fn test_pubkey_serialize() { fn test_pubkey_serialize() {
let s = Secp256k1::new(); let s = Secp256k1::new();
let (_, pk1) = s.generate_keypair(&mut StepRng::new(1, 1)); let (_, pk1) = s.generate_keypair(&mut StepRng::new(1, 1));
@ -1886,7 +1870,7 @@ mod test {
fn tweak_add_arbitrary_data() { fn tweak_add_arbitrary_data() {
let s = Secp256k1::new(); let s = Secp256k1::new();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
assert_eq!(PublicKey::from_secret_key(&s, &sk), pk); // Sanity check. assert_eq!(PublicKey::from_secret_key(&s, &sk), pk); // Sanity check.
// TODO: This would be better tested with a _lot_ of different tweaks. // TODO: This would be better tested with a _lot_ of different tweaks.
@ -1901,11 +1885,11 @@ mod test {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn tweak_add_zero() { fn tweak_add_zero() {
let s = Secp256k1::new(); let s = Secp256k1::new();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
let tweak = Scalar::ZERO; let tweak = Scalar::ZERO;
@ -1920,7 +1904,7 @@ mod test {
fn tweak_mul_arbitrary_data() { fn tweak_mul_arbitrary_data() {
let s = Secp256k1::new(); let s = Secp256k1::new();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
assert_eq!(PublicKey::from_secret_key(&s, &sk), pk); // Sanity check. assert_eq!(PublicKey::from_secret_key(&s, &sk), pk); // Sanity check.
// TODO: This would be better tested with a _lot_ of different tweaks. // TODO: This would be better tested with a _lot_ of different tweaks.
@ -1935,21 +1919,21 @@ mod test {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn tweak_mul_zero() { fn tweak_mul_zero() {
let s = Secp256k1::new(); let s = Secp256k1::new();
let (sk, _) = s.generate_keypair(&mut thread_rng()); let (sk, _) = s.generate_keypair(&mut rand::thread_rng());
let tweak = Scalar::ZERO; let tweak = Scalar::ZERO;
assert!(sk.mul_tweak(&tweak).is_err()) assert!(sk.mul_tweak(&tweak).is_err())
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn test_negation() { fn test_negation() {
let s = Secp256k1::new(); let s = Secp256k1::new();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
assert_eq!(PublicKey::from_secret_key(&s, &sk), pk); // Sanity check. assert_eq!(PublicKey::from_secret_key(&s, &sk), pk); // Sanity check.
@ -1967,7 +1951,7 @@ mod test {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn pubkey_hash() { fn pubkey_hash() {
use std::collections::hash_map::DefaultHasher; use std::collections::hash_map::DefaultHasher;
use std::collections::HashSet; use std::collections::HashSet;
@ -1983,7 +1967,7 @@ mod test {
let mut set = HashSet::new(); let mut set = HashSet::new();
const COUNT: usize = 1024; const COUNT: usize = 1024;
for _ in 0..COUNT { for _ in 0..COUNT {
let (_, pk) = s.generate_keypair(&mut thread_rng()); let (_, pk) = s.generate_keypair(&mut rand::thread_rng());
let hash = hash(&pk); let hash = hash(&pk);
assert!(!set.contains(&hash)); assert!(!set.contains(&hash));
set.insert(hash); set.insert(hash);
@ -2050,12 +2034,12 @@ mod test {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn create_pubkey_combine() { fn create_pubkey_combine() {
let s = Secp256k1::new(); let s = Secp256k1::new();
let (sk1, pk1) = s.generate_keypair(&mut thread_rng()); let (sk1, pk1) = s.generate_keypair(&mut rand::thread_rng());
let (sk2, pk2) = s.generate_keypair(&mut thread_rng()); let (sk2, pk2) = s.generate_keypair(&mut rand::thread_rng());
let sum1 = pk1.combine(&pk2); let sum1 = pk1.combine(&pk2);
assert!(sum1.is_ok()); assert!(sum1.is_ok());
@ -2095,7 +2079,7 @@ mod test {
} }
#[test] #[test]
#[cfg(all(feature = "serde", any(feature = "alloc", feature = "std")))] #[cfg(all(feature = "serde", feature = "alloc"))]
fn test_serde() { fn test_serde() {
use serde_test::{assert_tokens, Configure, Token}; use serde_test::{assert_tokens, Configure, Token};
#[rustfmt::skip] #[rustfmt::skip]
@ -2160,7 +2144,7 @@ mod test {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn test_tweak_add_then_tweak_add_check() { fn test_tweak_add_then_tweak_add_check() {
let s = Secp256k1::new(); let s = Secp256k1::new();
@ -2168,7 +2152,7 @@ mod test {
for _ in 0..10 { for _ in 0..10 {
let tweak = Scalar::random(); let tweak = Scalar::random();
let kp = KeyPair::new(&s, &mut thread_rng()); let kp = KeyPair::new(&s, &mut rand::thread_rng());
let (xonly, _) = XOnlyPublicKey::from_keypair(&kp); let (xonly, _) = XOnlyPublicKey::from_keypair(&kp);
let tweaked_kp = kp.add_xonly_tweak(&s, &tweak).expect("keypair tweak add failed"); let tweaked_kp = kp.add_xonly_tweak(&s, &tweak).expect("keypair tweak add failed");
@ -2259,7 +2243,7 @@ mod test {
assert_tokens(&sk.readable(), &[Token::String(SK_STR)]); assert_tokens(&sk.readable(), &[Token::String(SK_STR)]);
} }
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn keys() -> (SecretKey, PublicKey, KeyPair, XOnlyPublicKey) { fn keys() -> (SecretKey, PublicKey, KeyPair, XOnlyPublicKey) {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
@ -2292,7 +2276,7 @@ mod test {
} }
#[test] #[test]
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn convert_public_key_to_xonly_public_key() { fn convert_public_key_to_xonly_public_key() {
let (_sk, pk, _kp, want) = keys(); let (_sk, pk, _kp, want) = keys();
let (got, parity) = pk.x_only_public_key(); let (got, parity) = pk.x_only_public_key();
@ -2302,7 +2286,7 @@ mod test {
} }
#[test] #[test]
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn convert_secret_key_to_public_key() { fn convert_secret_key_to_public_key() {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
@ -2313,7 +2297,7 @@ mod test {
} }
#[test] #[test]
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn convert_secret_key_to_x_only_public_key() { fn convert_secret_key_to_x_only_public_key() {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
@ -2325,7 +2309,7 @@ mod test {
} }
#[test] #[test]
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn convert_keypair_to_public_key() { fn convert_keypair_to_public_key() {
let (_sk, want, kp, _xonly) = keys(); let (_sk, want, kp, _xonly) = keys();
let got = kp.public_key(); let got = kp.public_key();
@ -2334,7 +2318,7 @@ mod test {
} }
#[test] #[test]
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn convert_keypair_to_x_only_public_key() { fn convert_keypair_to_x_only_public_key() {
let (_sk, _pk, kp, want) = keys(); let (_sk, _pk, kp, want) = keys();
let (got, parity) = kp.x_only_public_key(); let (got, parity) = kp.x_only_public_key();
@ -2345,7 +2329,7 @@ mod test {
// SecretKey -> KeyPair -> SecretKey // SecretKey -> KeyPair -> SecretKey
#[test] #[test]
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn roundtrip_secret_key_via_keypair() { fn roundtrip_secret_key_via_keypair() {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
let (sk, _pk, _kp, _xonly) = keys(); let (sk, _pk, _kp, _xonly) = keys();
@ -2358,7 +2342,7 @@ mod test {
// KeyPair -> SecretKey -> KeyPair // KeyPair -> SecretKey -> KeyPair
#[test] #[test]
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn roundtrip_keypair_via_secret_key() { fn roundtrip_keypair_via_secret_key() {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
let (_sk, _pk, kp, _xonly) = keys(); let (_sk, _pk, kp, _xonly) = keys();
@ -2371,7 +2355,7 @@ mod test {
// XOnlyPublicKey -> PublicKey -> XOnlyPublicKey // XOnlyPublicKey -> PublicKey -> XOnlyPublicKey
#[test] #[test]
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn roundtrip_x_only_public_key_via_public_key() { fn roundtrip_x_only_public_key_via_public_key() {
let (_sk, _pk, _kp, xonly) = keys(); let (_sk, _pk, _kp, xonly) = keys();
@ -2384,7 +2368,7 @@ mod test {
// PublicKey -> XOnlyPublicKey -> PublicKey // PublicKey -> XOnlyPublicKey -> PublicKey
#[test] #[test]
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
fn roundtrip_public_key_via_x_only_public_key() { fn roundtrip_public_key_via_x_only_public_key() {
let (_sk, pk, _kp, _xonly) = keys(); let (_sk, pk, _kp, _xonly) = keys();
@ -2444,10 +2428,12 @@ mod test {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "global-context"))] #[cfg(all(feature = "rand-std", feature = "bitcoin-hashes-std"))]
fn test_keypair_from_str() { fn test_keypair_from_str() {
use bitcoin_hashes::hex::ToHex;
let ctx = crate::Secp256k1::new(); let ctx = crate::Secp256k1::new();
let keypair = KeyPair::new(&ctx, &mut thread_rng()); let keypair = KeyPair::new(&ctx, &mut rand::thread_rng());
let msg = keypair.secret_key().secret_bytes().to_hex(); let msg = keypair.secret_key().secret_bytes().to_hex();
let parsed_key: KeyPair = msg.parse().unwrap(); let parsed_key: KeyPair = msg.parse().unwrap();
assert_eq!(parsed_key, keypair); assert_eq!(parsed_key, keypair);

119
src/lib.rs
View File

@ -41,7 +41,7 @@
//! trigger any assertion failures in the upstream library. //! trigger any assertion failures in the upstream library.
//! //!
//! ```rust //! ```rust
//! # #[cfg(all(feature = "std", feature="rand-std", feature="bitcoin-hashes-std"))] { //! # #[cfg(all(feature = "rand-std", feature = "bitcoin-hashes-std"))] {
//! use secp256k1::rand::rngs::OsRng; //! use secp256k1::rand::rngs::OsRng;
//! use secp256k1::{Secp256k1, Message}; //! use secp256k1::{Secp256k1, Message};
//! use secp256k1::hashes::sha256; //! use secp256k1::hashes::sha256;
@ -58,12 +58,11 @@
//! If the "global-context" feature is enabled you have access to an alternate API. //! If the "global-context" feature is enabled you have access to an alternate API.
//! //!
//! ```rust //! ```rust
//! # #[cfg(all(feature = "global-context", feature = "std", feature = "rand-std", feature = "bitcoin-hashes-std"))] { //! # #[cfg(all(feature = "global-context", feature = "bitcoin-hashes-std", feature = "rand-std"))] {
//! use secp256k1::rand::thread_rng;
//! use secp256k1::{generate_keypair, Message}; //! use secp256k1::{generate_keypair, Message};
//! use secp256k1::hashes::sha256; //! use secp256k1::hashes::sha256;
//! //!
//! let (secret_key, public_key) = generate_keypair(&mut thread_rng()); //! let (secret_key, public_key) = generate_keypair(&mut rand::thread_rng());
//! let message = Message::from_hashed_data::<sha256::Hash>("Hello World!".as_bytes()); //! let message = Message::from_hashed_data::<sha256::Hash>("Hello World!".as_bytes());
//! //!
//! let sig = secret_key.sign_ecdsa(message); //! let sig = secret_key.sign_ecdsa(message);
@ -76,7 +75,7 @@
//! Alternately, keys and messages can be parsed from slices, like //! Alternately, keys and messages can be parsed from slices, like
//! //!
//! ```rust //! ```rust
//! # #[cfg(any(feature = "alloc", features = "std"))] { //! # #[cfg(feature = "alloc")] {
//! use secp256k1::{Secp256k1, Message, SecretKey, PublicKey}; //! use secp256k1::{Secp256k1, Message, SecretKey, PublicKey};
//! //!
//! let secp = Secp256k1::new(); //! let secp = Secp256k1::new();
@ -94,7 +93,7 @@
//! Users who only want to verify signatures can use a cheaper context, like so: //! Users who only want to verify signatures can use a cheaper context, like so:
//! //!
//! ```rust //! ```rust
//! # #[cfg(any(feature = "alloc", feature = "std"))] { //! # #[cfg(feature = "alloc")] {
//! use secp256k1::{Secp256k1, Message, ecdsa, PublicKey}; //! use secp256k1::{Secp256k1, Message, ecdsa, PublicKey};
//! //!
//! let secp = Secp256k1::verification_only(); //! let secp = Secp256k1::verification_only();
@ -190,7 +189,7 @@ pub use bitcoin_hashes as hashes;
#[cfg(feature = "global-context")] #[cfg(feature = "global-context")]
#[cfg_attr(docsrs, doc(cfg(feature = "global-context")))] #[cfg_attr(docsrs, doc(cfg(feature = "global-context")))]
pub use context::global::SECP256K1; pub use context::global::SECP256K1;
#[cfg(any(test, feature = "rand"))] #[cfg(feature = "rand")]
#[cfg_attr(docsrs, doc(cfg(feature = "rand")))] #[cfg_attr(docsrs, doc(cfg(feature = "rand")))]
pub use rand; pub use rand;
pub use secp256k1_sys as ffi; pub use secp256k1_sys as ffi;
@ -258,12 +257,12 @@ impl Message {
/// Constructs a [`Message`] by hashing `data` with hash algorithm `H`. /// Constructs a [`Message`] by hashing `data` with hash algorithm `H`.
/// ///
/// Requires the feature `bitcoin_hashes` to be enabled. /// Requires the feature `bitcoin-hashes` to be enabled.
/// ///
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// # #[cfg(feature="bitcoin_hashes")] { /// # #[cfg(feature = "bitcoin-hashes")] {
/// use secp256k1::hashes::{sha256, Hash}; /// use secp256k1::hashes::{sha256, Hash};
/// use secp256k1::Message; /// use secp256k1::Message;
/// ///
@ -421,7 +420,7 @@ impl<C: Context> Secp256k1<C> {
/// ///
/// Requires compilation with "rand" feature. See comment by Gregory Maxwell in /// Requires compilation with "rand" feature. See comment by Gregory Maxwell in
/// [libsecp256k1](https://github.com/bitcoin-core/secp256k1/commit/d2275795ff22a6f4738869f5528fbbb61738aa48). /// [libsecp256k1](https://github.com/bitcoin-core/secp256k1/commit/d2275795ff22a6f4738869f5528fbbb61738aa48).
#[cfg(any(test, feature = "rand"))] #[cfg(feature = "rand")]
#[cfg_attr(docsrs, doc(cfg(feature = "rand")))] #[cfg_attr(docsrs, doc(cfg(feature = "rand")))]
pub fn randomize<R: rand::Rng + ?Sized>(&mut self, rng: &mut R) { pub fn randomize<R: rand::Rng + ?Sized>(&mut self, rng: &mut R) {
let mut seed = [0u8; 32]; let mut seed = [0u8; 32];
@ -452,7 +451,7 @@ impl<C: Signing> Secp256k1<C> {
/// Generates a random keypair. Convenience function for [`SecretKey::new`] and /// Generates a random keypair. Convenience function for [`SecretKey::new`] and
/// [`PublicKey::from_secret_key`]. /// [`PublicKey::from_secret_key`].
#[inline] #[inline]
#[cfg(any(test, feature = "rand"))] #[cfg(feature = "rand")]
#[cfg_attr(docsrs, doc(cfg(feature = "rand")))] #[cfg_attr(docsrs, doc(cfg(feature = "rand")))]
pub fn generate_keypair<R: rand::Rng + ?Sized>( pub fn generate_keypair<R: rand::Rng + ?Sized>(
&self, &self,
@ -521,20 +520,27 @@ fn to_hex<'a>(src: &[u8], target: &'a mut [u8]) -> Result<&'a str, ()> {
return unsafe { Ok(str::from_utf8_unchecked(result)) }; return unsafe { Ok(str::from_utf8_unchecked(result)) };
} }
#[cfg(feature = "rand")]
pub(crate) fn random_32_bytes<R: rand::Rng + ?Sized>(rng: &mut R) -> [u8; 32] {
let mut ret = [0u8; 32];
rng.fill(&mut ret);
ret
}
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use std::marker::PhantomData; #[allow(unused_imports)] // When building with no default features.
use super::*;
use std::str::FromStr; use std::str::FromStr;
use rand::{thread_rng, RngCore};
#[cfg(target_arch = "wasm32")] #[cfg(target_arch = "wasm32")]
use wasm_bindgen_test::wasm_bindgen_test as test; use wasm_bindgen_test::wasm_bindgen_test as test;
use crate::context::*; #[cfg(feature = "alloc")]
use crate::ffi::types::AlignedType; use crate::{ffi, PublicKey, Secp256k1, SecretKey};
use crate::ffi::{self};
use crate::{ use crate::{
constants, ecdsa, from_hex, to_hex, Error, Message, PublicKey, Secp256k1, SecretKey, constants, ecdsa, from_hex, Error, Message,
}; };
macro_rules! hex { macro_rules! hex {
@ -546,8 +552,10 @@ mod tests {
} }
#[test] #[test]
#[cfg(feature = "std")] #[cfg(feature = "rand-std")]
fn test_manual_create_destroy() { fn test_manual_create_destroy() {
use std::marker::PhantomData;
let ctx_full = unsafe { ffi::secp256k1_context_create(AllPreallocated::FLAGS) }; let ctx_full = unsafe { ffi::secp256k1_context_create(AllPreallocated::FLAGS) };
let ctx_sign = unsafe { ffi::secp256k1_context_create(SignOnlyPreallocated::FLAGS) }; let ctx_sign = unsafe { ffi::secp256k1_context_create(SignOnlyPreallocated::FLAGS) };
let ctx_vrfy = unsafe { ffi::secp256k1_context_create(VerifyOnlyPreallocated::FLAGS) }; let ctx_vrfy = unsafe { ffi::secp256k1_context_create(VerifyOnlyPreallocated::FLAGS) };
@ -560,7 +568,7 @@ mod tests {
let vrfy: Secp256k1<VerifyOnlyPreallocated> = let vrfy: Secp256k1<VerifyOnlyPreallocated> =
Secp256k1 { ctx: ctx_vrfy, phantom: PhantomData, size }; Secp256k1 { ctx: ctx_vrfy, phantom: PhantomData, size };
let (sk, pk) = full.generate_keypair(&mut thread_rng()); let (sk, pk) = full.generate_keypair(&mut rand::thread_rng());
let msg = Message::from_slice(&[2u8; 32]).unwrap(); let msg = Message::from_slice(&[2u8; 32]).unwrap();
// Try signing // Try signing
assert_eq!(sign.sign_ecdsa(&msg, &sk), full.sign_ecdsa(&msg, &sk)); assert_eq!(sign.sign_ecdsa(&msg, &sk), full.sign_ecdsa(&msg, &sk));
@ -580,7 +588,7 @@ mod tests {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn test_raw_ctx() { fn test_raw_ctx() {
use std::mem::ManuallyDrop; use std::mem::ManuallyDrop;
@ -592,7 +600,7 @@ mod tests {
let mut sign = unsafe { Secp256k1::from_raw_signing_only(ctx_sign.ctx) }; let mut sign = unsafe { Secp256k1::from_raw_signing_only(ctx_sign.ctx) };
let mut vrfy = unsafe { Secp256k1::from_raw_verification_only(ctx_vrfy.ctx) }; let mut vrfy = unsafe { Secp256k1::from_raw_verification_only(ctx_vrfy.ctx) };
let (sk, pk) = full.generate_keypair(&mut thread_rng()); let (sk, pk) = full.generate_keypair(&mut rand::thread_rng());
let msg = Message::from_slice(&[2u8; 32]).unwrap(); let msg = Message::from_slice(&[2u8; 32]).unwrap();
// Try signing // Try signing
assert_eq!(sign.sign_ecdsa(&msg, &sk), full.sign_ecdsa(&msg, &sk)); assert_eq!(sign.sign_ecdsa(&msg, &sk), full.sign_ecdsa(&msg, &sk));
@ -615,7 +623,7 @@ mod tests {
#[cfg(not(target_arch = "wasm32"))] #[cfg(not(target_arch = "wasm32"))]
#[test] #[test]
#[ignore] // Panicking from C may trap (SIGILL) intentionally, so we test this manually. #[ignore] // Panicking from C may trap (SIGILL) intentionally, so we test this manually.
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "alloc")]
fn test_panic_raw_ctx_should_terminate_abnormally() { fn test_panic_raw_ctx_should_terminate_abnormally() {
// Trying to use an all-zeros public key should cause an ARG_CHECK to trigger. // Trying to use an all-zeros public key should cause an ARG_CHECK to trigger.
let pk = PublicKey::from(unsafe { ffi::PublicKey::new() }); let pk = PublicKey::from(unsafe { ffi::PublicKey::new() });
@ -623,7 +631,10 @@ mod tests {
} }
#[test] #[test]
#[cfg(feature = "rand-std")]
fn test_preallocation() { fn test_preallocation() {
use crate::ffi::types::AlignedType;
let mut buf_ful = vec![AlignedType::zeroed(); Secp256k1::preallocate_size()]; let mut buf_ful = vec![AlignedType::zeroed(); Secp256k1::preallocate_size()];
let mut buf_sign = vec![AlignedType::zeroed(); Secp256k1::preallocate_signing_size()]; let mut buf_sign = vec![AlignedType::zeroed(); Secp256k1::preallocate_signing_size()];
let mut buf_vfy = vec![AlignedType::zeroed(); Secp256k1::preallocate_verification_size()]; let mut buf_vfy = vec![AlignedType::zeroed(); Secp256k1::preallocate_verification_size()];
@ -635,7 +646,7 @@ mod tests {
// drop(buf_vfy); // The buffer can't get dropped before the context. // drop(buf_vfy); // The buffer can't get dropped before the context.
// println!("{:?}", buf_ful[5]); // Can't even read the data thanks to the borrow checker. // println!("{:?}", buf_ful[5]); // Can't even read the data thanks to the borrow checker.
let (sk, pk) = full.generate_keypair(&mut thread_rng()); let (sk, pk) = full.generate_keypair(&mut rand::thread_rng());
let msg = Message::from_slice(&[2u8; 32]).unwrap(); let msg = Message::from_slice(&[2u8; 32]).unwrap();
// Try signing // Try signing
assert_eq!(sign.sign_ecdsa(&msg, &sk), full.sign_ecdsa(&msg, &sk)); assert_eq!(sign.sign_ecdsa(&msg, &sk), full.sign_ecdsa(&msg, &sk));
@ -647,18 +658,17 @@ mod tests {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn capabilities() { fn capabilities() {
let sign = Secp256k1::signing_only(); let sign = Secp256k1::signing_only();
let vrfy = Secp256k1::verification_only(); let vrfy = Secp256k1::verification_only();
let full = Secp256k1::new(); let full = Secp256k1::new();
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
// Try key generation // Try key generation
let (sk, pk) = full.generate_keypair(&mut thread_rng()); let (sk, pk) = full.generate_keypair(&mut rand::thread_rng());
// Try signing // Try signing
assert_eq!(sign.sign_ecdsa(&msg, &sk), full.sign_ecdsa(&msg, &sk)); assert_eq!(sign.sign_ecdsa(&msg, &sk), full.sign_ecdsa(&msg, &sk));
@ -677,17 +687,16 @@ mod tests {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn signature_serialize_roundtrip() { fn signature_serialize_roundtrip() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
let mut msg = [0u8; 32];
for _ in 0..100 { for _ in 0..100 {
thread_rng().fill_bytes(&mut msg); let msg = crate::random_32_bytes(&mut rand::thread_rng());
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let (sk, _) = s.generate_keypair(&mut thread_rng()); let (sk, _) = s.generate_keypair(&mut rand::thread_rng());
let sig1 = s.sign_ecdsa(&msg, &sk); let sig1 = s.sign_ecdsa(&msg, &sk);
let der = sig1.serialize_der(); let der = sig1.serialize_der();
let sig2 = ecdsa::Signature::from_der(&der[..]).unwrap(); let sig2 = ecdsa::Signature::from_der(&der[..]).unwrap();
@ -768,18 +777,17 @@ mod tests {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn sign_and_verify_ecdsa() { fn sign_and_verify_ecdsa() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
let mut msg = [0u8; 32];
let noncedata = [42u8; 32]; let noncedata = [42u8; 32];
for _ in 0..100 { for _ in 0..100 {
thread_rng().fill_bytes(&mut msg); let msg = crate::random_32_bytes(&mut rand::thread_rng());
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
let sig = s.sign_ecdsa(&msg, &sk); let sig = s.sign_ecdsa(&msg, &sk);
assert_eq!(s.verify_ecdsa(&msg, &sig, &pk), Ok(())); assert_eq!(s.verify_ecdsa(&msg, &sig, &pk), Ok(()));
let noncedata_sig = s.sign_ecdsa_with_noncedata(&msg, &sk, &noncedata); let noncedata_sig = s.sign_ecdsa_with_noncedata(&msg, &sk, &noncedata);
@ -803,10 +811,10 @@ mod tests {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn sign_and_verify_extreme() { fn sign_and_verify_extreme() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
// Wild keys: 1, CURVE_ORDER - 1 // Wild keys: 1, CURVE_ORDER - 1
// Wild msgs: 1, CURVE_ORDER - 1 // Wild msgs: 1, CURVE_ORDER - 1
@ -837,21 +845,19 @@ mod tests {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn sign_and_verify_fail() { fn sign_and_verify_fail() {
let mut s = Secp256k1::new(); let mut s = Secp256k1::new();
s.randomize(&mut thread_rng()); s.randomize(&mut rand::thread_rng());
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
let sig = s.sign_ecdsa(&msg, &sk); let sig = s.sign_ecdsa(&msg, &sk);
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
assert_eq!(s.verify_ecdsa(&msg, &sig, &pk), Err(Error::IncorrectSignature)); assert_eq!(s.verify_ecdsa(&msg, &sig, &pk), Err(Error::IncorrectSignature));
} }
@ -880,8 +886,12 @@ mod tests {
} }
#[test] #[test]
#[cfg(feature = "rand-std")]
fn test_hex() { fn test_hex() {
let mut rng = thread_rng(); use super::to_hex;
use rand::RngCore;
let mut rng = rand::thread_rng();
const AMOUNT: usize = 1024; const AMOUNT: usize = 1024;
for i in 0..AMOUNT { for i in 0..AMOUNT {
// 255 isn't a valid utf8 character. // 255 isn't a valid utf8 character.
@ -1050,15 +1060,14 @@ mod tests {
} }
#[cfg(bench)] #[cfg(bench)]
#[cfg(feature = "rand-std")]
mod benches { mod benches {
use rand::rngs::mock::StepRng; use rand::rngs::mock::StepRng;
use rand::{thread_rng, RngCore};
use test::{black_box, Bencher}; use test::{black_box, Bencher};
use super::{Message, Secp256k1}; use super::{Message, Secp256k1};
#[bench] #[bench]
#[cfg(any(feature = "alloc", feature = "std"))]
pub fn generate(bh: &mut Bencher) { pub fn generate(bh: &mut Bencher) {
let s = Secp256k1::new(); let s = Secp256k1::new();
let mut r = StepRng::new(1, 1); let mut r = StepRng::new(1, 1);
@ -1070,13 +1079,11 @@ mod benches {
} }
#[bench] #[bench]
#[cfg(any(feature = "alloc", feature = "std"))]
pub fn bench_sign_ecdsa(bh: &mut Bencher) { pub fn bench_sign_ecdsa(bh: &mut Bencher) {
let s = Secp256k1::new(); let s = Secp256k1::new();
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let (sk, _) = s.generate_keypair(&mut thread_rng()); let (sk, _) = s.generate_keypair(&mut rand::thread_rng());
bh.iter(|| { bh.iter(|| {
let sig = s.sign_ecdsa(&msg, &sk); let sig = s.sign_ecdsa(&msg, &sk);
@ -1085,13 +1092,11 @@ mod benches {
} }
#[bench] #[bench]
#[cfg(any(feature = "alloc", feature = "std"))]
pub fn bench_verify_ecdsa(bh: &mut Bencher) { pub fn bench_verify_ecdsa(bh: &mut Bencher) {
let s = Secp256k1::new(); let s = Secp256k1::new();
let mut msg = [0u8; 32]; let msg = crate::random_32_bytes(&mut rand::thread_rng());
thread_rng().fill_bytes(&mut msg);
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let (sk, pk) = s.generate_keypair(&mut thread_rng()); let (sk, pk) = s.generate_keypair(&mut rand::thread_rng());
let sig = s.sign_ecdsa(&msg, &sk); let sig = s.sign_ecdsa(&msg, &sk);
bh.iter(|| { bh.iter(|| {

4
src/scalar.rs
View File

@ -37,12 +37,12 @@ impl Scalar {
pub const MAX: Scalar = Scalar(MAX_RAW); pub const MAX: Scalar = Scalar(MAX_RAW);
/// Generates a random scalar /// Generates a random scalar
#[cfg(any(test, feature = "rand-std"))] #[cfg(feature = "rand-std")]
#[cfg_attr(docsrs, doc(cfg(feature = "rand-std")))] #[cfg_attr(docsrs, doc(cfg(feature = "rand-std")))]
pub fn random() -> Self { Self::random_custom(rand::thread_rng()) } pub fn random() -> Self { Self::random_custom(rand::thread_rng()) }
/// Generates a random scalar using supplied RNG /// Generates a random scalar using supplied RNG
#[cfg(any(test, feature = "rand"))] #[cfg(feature = "rand")]
#[cfg_attr(docsrs, doc(cfg(feature = "rand")))] #[cfg_attr(docsrs, doc(cfg(feature = "rand")))]
pub fn random_custom<R: rand::Rng>(mut rng: R) -> Self { pub fn random_custom<R: rand::Rng>(mut rng: R) -> Self {
let mut bytes = [0u8; 32]; let mut bytes = [0u8; 32];

51
src/schnorr.rs
View File

@ -4,12 +4,12 @@
use core::{fmt, ptr, str}; use core::{fmt, ptr, str};
#[cfg(any(test, feature = "rand"))] #[cfg(feature = "rand")]
use rand::{CryptoRng, Rng}; use rand::{CryptoRng, Rng};
use crate::ffi::{self, impl_array_newtype, CPtr}; use crate::ffi::{self, impl_array_newtype, CPtr};
use crate::key::{KeyPair, XOnlyPublicKey}; use crate::key::{KeyPair, XOnlyPublicKey};
#[cfg(all(feature = "global-context", feature = "rand-std"))] #[cfg(feature = "global-context")]
use crate::SECP256K1; use crate::SECP256K1;
use crate::{constants, from_hex, Error, Message, Secp256k1, Signing, Verification}; use crate::{constants, from_hex, Error, Message, Secp256k1, Signing, Verification};
@ -86,8 +86,8 @@ impl Signature {
/// Verifies a schnorr signature for `msg` using `pk` and the global [`SECP256K1`] context. /// Verifies a schnorr signature for `msg` using `pk` and the global [`SECP256K1`] context.
#[inline] #[inline]
#[cfg(all(feature = "global-context", feature = "rand-std"))] #[cfg(feature = "global-context")]
#[cfg_attr(docsrs, doc(cfg(all(feature = "global-context", feature = "rand-std"))))] #[cfg_attr(docsrs, doc(cfg(feature = "global-context")))]
pub fn verify(&self, msg: &Message, pk: &XOnlyPublicKey) -> Result<(), Error> { pub fn verify(&self, msg: &Message, pk: &XOnlyPublicKey) -> Result<(), Error> {
SECP256K1.verify_schnorr(self, msg, pk) SECP256K1.verify_schnorr(self, msg, pk)
} }
@ -119,7 +119,7 @@ impl<C: Signing> Secp256k1<C> {
/// Create a schnorr signature internally using the ThreadRng random number /// Create a schnorr signature internally using the ThreadRng random number
/// generator to generate the auxiliary random data. /// generator to generate the auxiliary random data.
#[cfg(any(test, feature = "rand-std"))] #[cfg(feature = "rand-std")]
#[cfg_attr(docsrs, doc(cfg(feature = "rand-std")))] #[cfg_attr(docsrs, doc(cfg(feature = "rand-std")))]
pub fn sign_schnorr(&self, msg: &Message, keypair: &KeyPair) -> Signature { pub fn sign_schnorr(&self, msg: &Message, keypair: &KeyPair) -> Signature {
self.sign_schnorr_with_rng(msg, keypair, &mut rand::thread_rng()) self.sign_schnorr_with_rng(msg, keypair, &mut rand::thread_rng())
@ -142,7 +142,7 @@ impl<C: Signing> Secp256k1<C> {
/// Create a schnorr signature using the given random number generator to /// Create a schnorr signature using the given random number generator to
/// generate the auxiliary random data. /// generate the auxiliary random data.
#[cfg(any(test, feature = "rand"))] #[cfg(feature = "rand")]
#[cfg_attr(docsrs, doc(cfg(feature = "rand")))] #[cfg_attr(docsrs, doc(cfg(feature = "rand")))]
pub fn sign_schnorr_with_rng<R: Rng + CryptoRng>( pub fn sign_schnorr_with_rng<R: Rng + CryptoRng>(
&self, &self,
@ -187,8 +187,8 @@ impl<C: Verification> Secp256k1<C> {
mod tests { mod tests {
use core::str::FromStr; use core::str::FromStr;
#[cfg(feature = "rand-std")]
use rand::rngs::ThreadRng; use rand::rngs::ThreadRng;
use rand::{thread_rng, RngCore};
#[cfg(target_arch = "wasm32")] #[cfg(target_arch = "wasm32")]
use wasm_bindgen_test::wasm_bindgen_test as test; use wasm_bindgen_test::wasm_bindgen_test as test;
@ -197,7 +197,7 @@ mod tests {
use crate::Error::InvalidPublicKey; use crate::Error::InvalidPublicKey;
use crate::{constants, from_hex, Message, Secp256k1, SecretKey}; use crate::{constants, from_hex, Message, Secp256k1, SecretKey};
#[cfg(all(not(fuzzing), any(feature = "alloc", feature = "std")))] #[cfg(all(not(fuzzing), feature = "alloc"))]
macro_rules! hex_32 { macro_rules! hex_32 {
($hex:expr) => {{ ($hex:expr) => {{
let mut result = [0u8; 32]; let mut result = [0u8; 32];
@ -207,45 +207,42 @@ mod tests {
} }
#[test] #[test]
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn schnorr_sign_with_aux_rand_verify() { fn schnorr_sign_with_aux_rand_verify() {
sign_helper(|secp, msg, seckey, rng| { sign_helper(|secp, msg, seckey, rng| {
let mut aux_rand = [0u8; 32]; let aux_rand = crate::random_32_bytes(rng);
rng.fill_bytes(&mut aux_rand);
secp.sign_schnorr_with_aux_rand(msg, seckey, &aux_rand) secp.sign_schnorr_with_aux_rand(msg, seckey, &aux_rand)
}) })
} }
#[test] #[test]
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn schnor_sign_with_rng_verify() { fn schnor_sign_with_rng_verify() {
sign_helper(|secp, msg, seckey, mut rng| secp.sign_schnorr_with_rng(msg, seckey, &mut rng)) sign_helper(|secp, msg, seckey, rng| secp.sign_schnorr_with_rng(msg, seckey, rng))
} }
#[test] #[test]
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn schnorr_sign_verify() { sign_helper(|secp, msg, seckey, _| secp.sign_schnorr(msg, seckey)) } fn schnorr_sign_verify() { sign_helper(|secp, msg, seckey, _| secp.sign_schnorr(msg, seckey)) }
#[test] #[test]
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn schnorr_sign_no_aux_rand_verify() { fn schnorr_sign_no_aux_rand_verify() {
sign_helper(|secp, msg, seckey, _| secp.sign_schnorr_no_aux_rand(msg, seckey)) sign_helper(|secp, msg, seckey, _| secp.sign_schnorr_no_aux_rand(msg, seckey))
} }
#[cfg(all(feature = "std", feature = "rand-std"))] #[cfg(feature = "rand-std")]
fn sign_helper( fn sign_helper(
sign: fn(&Secp256k1<crate::All>, &Message, &KeyPair, &mut ThreadRng) -> Signature, sign: fn(&Secp256k1<crate::All>, &Message, &KeyPair, &mut ThreadRng) -> Signature,
) { ) {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
let mut rng = thread_rng(); let mut rng = rand::thread_rng();
let kp = KeyPair::new(&secp, &mut rng); let kp = KeyPair::new(&secp, &mut rng);
let (pk, _parity) = kp.x_only_public_key(); let (pk, _parity) = kp.x_only_public_key();
let mut msg = [0u8; 32];
for _ in 0..100 { for _ in 0..100 {
rng.fill_bytes(&mut msg); let msg = crate::random_32_bytes(&mut rand::thread_rng());
let msg = Message::from_slice(&msg).unwrap(); let msg = Message::from_slice(&msg).unwrap();
let sig = sign(&secp, &msg, &kp, &mut rng); let sig = sign(&secp, &msg, &kp, &mut rng);
@ -255,7 +252,7 @@ mod tests {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "alloc")]
#[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs #[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs
fn schnorr_sign() { fn schnorr_sign() {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
@ -278,7 +275,7 @@ mod tests {
#[test] #[test]
#[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs #[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "alloc")]
fn schnorr_verify() { fn schnorr_verify() {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
@ -306,10 +303,10 @@ mod tests {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "rand-std")]
fn test_pubkey_serialize_roundtrip() { fn test_pubkey_serialize_roundtrip() {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
let kp = KeyPair::new(&secp, &mut thread_rng()); let kp = KeyPair::new(&secp, &mut rand::thread_rng());
let (pk, _parity) = kp.x_only_public_key(); let (pk, _parity) = kp.x_only_public_key();
let ser = pk.serialize(); let ser = pk.serialize();
@ -318,7 +315,7 @@ mod tests {
} }
#[test] #[test]
#[cfg(any(feature = "alloc", feature = "std"))] #[cfg(feature = "alloc")]
fn test_xonly_key_extraction() { fn test_xonly_key_extraction() {
let secp = Secp256k1::new(); let secp = Secp256k1::new();
let sk_str = "688C77BC2D5AAFF5491CF309D4753B732135470D05B7B2CD21ADD0744FE97BEF"; let sk_str = "688C77BC2D5AAFF5491CF309D4753B732135470D05B7B2CD21ADD0744FE97BEF";
@ -426,7 +423,7 @@ mod tests {
// In fuzzing mode secret->public key derivation is different, so // In fuzzing mode secret->public key derivation is different, so
// this test will never correctly derive the static pubkey. // this test will never correctly derive the static pubkey.
#[cfg(not(fuzzing))] #[cfg(not(fuzzing))]
#[cfg(all(feature = "rand", any(feature = "alloc", feature = "std")))] #[cfg(all(feature = "rand", feature = "alloc"))]
fn test_pubkey_serialize() { fn test_pubkey_serialize() {
use rand::rngs::mock::StepRng; use rand::rngs::mock::StepRng;
let secp = Secp256k1::new(); let secp = Secp256k1::new();
@ -443,7 +440,7 @@ mod tests {
#[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs #[cfg(not(fuzzing))] // fixed sig vectors can't work with fuzz-sigs
#[test] #[test]
#[cfg(all(feature = "serde", any(feature = "alloc", feature = "std")))] #[cfg(all(feature = "serde", feature = "alloc"))]
fn test_serde() { fn test_serde() {
use serde_test::{assert_tokens, Configure, Token}; use serde_test::{assert_tokens, Configure, Token};