mirror of
https://github.com/urbit/ares.git
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ed: puck
This commit is contained in:
Matthew LeVan
parent
64367a9037
commit
eb77dad57f
77
rust/ares_crypto/Cargo.lock
generated
77
rust/ares_crypto/Cargo.lock
generated
@ -57,8 +57,11 @@ dependencies = [
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"assert_no_alloc",
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"ed25519",
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"ed25519-dalek",
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"ibig",
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"rand",
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"sha2",
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"urcrypt-sys",
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"x25519-dalek",
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]
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[[package]]
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@ -234,6 +237,7 @@ dependencies = [
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"platforms",
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"rustc_version",
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"subtle",
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"zeroize",
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]
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[[package]]
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@ -380,6 +384,18 @@ dependencies = [
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"windows-sys",
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]
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[[package]]
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name = "ibig"
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version = "0.3.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d1fcc7f316b2c079dde77564a1360639c1a956a23fa96122732e416cb10717bb"
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dependencies = [
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"cfg-if",
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"num-traits",
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"rand",
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"static_assertions",
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]
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[[package]]
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name = "inout"
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version = "0.1.3"
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@ -461,6 +477,15 @@ dependencies = [
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"minimal-lexical",
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]
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[[package]]
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name = "num-traits"
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version = "0.2.17"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
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dependencies = [
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"autocfg",
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]
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[[package]]
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name = "once_cell"
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version = "1.19.0"
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@ -627,6 +652,26 @@ version = "1.0.20"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
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[[package]]
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name = "serde"
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version = "1.0.193"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
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dependencies = [
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"serde_derive",
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]
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[[package]]
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name = "serde_derive"
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version = "1.0.193"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "sha2"
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version = "0.10.8"
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@ -678,6 +723,12 @@ version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
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[[package]]
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name = "static_assertions"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
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[[package]]
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name = "subtle"
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version = "2.5.0"
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@ -829,8 +880,34 @@ version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
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[[package]]
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name = "x25519-dalek"
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version = "2.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fb66477291e7e8d2b0ff1bcb900bf29489a9692816d79874bea351e7a8b6de96"
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dependencies = [
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"curve25519-dalek",
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"rand_core",
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"serde",
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"zeroize",
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]
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[[package]]
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name = "zeroize"
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version = "1.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
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dependencies = [
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"zeroize_derive",
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]
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[[package]]
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name = "zeroize_derive"
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version = "1.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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@ -12,11 +12,15 @@ assert_no_alloc = "1.1.2"
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aes-siv = { version = "0.7.0", features = ["heapless"], default-features = false }
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ed25519-dalek = { version = "2.1.0", features = ["pkcs8", "rand_core"], default-features = false }
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ed25519 = { version = "2.2.3" }
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rand = { version = "0.8.5", features = ["getrandom", "std_rng"], default-features = false }
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rand = { version = "0.8.5", features = ["std_rng"], default-features = false }
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urcrypt-sys = { version = "0.1.1", optional = true }
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sha2 = "0.10.8"
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ibig = "0.3.6"
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x25519-dalek = "2.0.0"
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[features]
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default = ["aes_siv", "ed25519"]
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# XX turn off test_vs_urcrypt after development
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default = ["aes_siv", "ed25519", "test_vs_urcrypt"]
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aes_siv = []
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ed25519 = []
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test_vs_urcrypt = ["urcrypt-sys"]
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@ -1,8 +1,4 @@
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use aes_siv::{
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aead::{heapless::Vec, AeadInPlace, Error, KeyInit},
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Aes256SivAead,
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Nonce, // Or `Aes128SivAead`
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};
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use aes_siv::aead::Error;
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pub fn _ac_aes_siv_en() -> Result<(), Error> {
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todo!();
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@ -1,38 +1,84 @@
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use std::ptr::copy_nonoverlapping;
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use ed25519_dalek::{SignatureError, SigningKey};
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use rand::{rngs::StdRng, SeedableRng};
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use ed25519_dalek::{SigningKey, VerifyingKey};
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use x25519_dalek::{EphemeralSecret, PublicKey, SharedSecret};
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/// Generate a public key from the given seed and write it to the given 32-byte output buffer,
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pub fn ac_ed_puck(seed: &mut [u8; 32], out: *mut u8) -> Result<(), SignatureError> {
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let mut csprng = StdRng::from_seed(*seed);
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let signing_key = SigningKey::generate(&mut csprng);
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/// Generate a public key from the given seed and write it to the given output slice.
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pub fn ac_ed_puck(seed: &mut [u8; 32], out: &mut [u8; 32]) {
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let signing_key = SigningKey::from_bytes(seed);
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let verifying_key = signing_key.verifying_key();
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unsafe {
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copy_nonoverlapping(verifying_key.as_bytes().as_ptr(), out, 32);
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}
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Ok(())
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*out = verifying_key.to_bytes();
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}
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/// Perform a key exchange between the given public key and the keypair generated from the given seed,
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/// writing the resulting shared key to the given 32-byte output buffer.
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pub fn ac_ed_shar(public: &[u8; 32], seed: &[u8; 32], out: *mut u8) -> Result<(), SignatureError> {
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// Generate a keypair from the given seed.
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let mut csprng = StdRng::from_seed(*seed);
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let self_key = SigningKey::generate(&mut csprng);
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/// Perform a key exchange between the given public key and the private key of
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/// the keypair generate from the given seed, writing the resulting shared key
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/// to the given output slice.
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pub fn ac_ed_shar(public: &[u8; 32], seed: &[u8; 32], out: &mut [u8; 32]) {
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// let self_key = SigningKey::from_bytes(seed);
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let mut keypair_bytes = [0u8; 64];
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keypair_bytes[..32].copy_from_slice(&self_key.to_bytes());
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keypair_bytes[32..].copy_from_slice(public);
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let shared_key = SigningKey::from_keypair_bytes(&keypair_bytes)?;
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unsafe {
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copy_nonoverlapping(shared_key.to_bytes().as_ptr(), out, 32);
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// let other_key = PublicKey::from(*public);
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// let shared_secret = self_key.diffie_hellman(&other_key);
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// *out = shared_secret.to_bytes();
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}
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#[cfg(test)]
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mod tests {
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use super::ac_ed_puck;
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#[test]
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fn test_ed_puck() {
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let mut seed: [u8; 32] = [0; 32];
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let mut public_key: [u8; 32] = [0; 32];
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ac_ed_puck(&mut seed, &mut public_key);
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assert_eq!(
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public_key,
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[
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59, 106, 39, 188, 206, 182, 164, 45, 98, 163, 168, 208, 42, 111, 13, 115, 101, 50,
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21, 119, 29, 226, 67, 166, 58, 192, 72, 161, 139, 89, 218, 41
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]
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);
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}
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Ok(())
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}
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#[cfg(test)]
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#[cfg(feature = "test_vs_urcrypt")]
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mod ucrypt_test {
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// tests comparing urcrypt and ares_crypto output for ed25519 functions go here
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mod ucrypt_tests {
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use super::{ac_ed_puck, ac_ed_shar};
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use ibig::ubig;
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use urcrypt_sys::{urcrypt_ed_puck, urcrypt_ed_shar};
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#[test]
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fn test_ed_puck() {
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let mut seed: [u8; 32] = [0; 32];
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let mut uc_out: [u8; 32] = [0; 32];
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unsafe { urcrypt_ed_puck(seed.as_ptr(), uc_out.as_mut_ptr()) };
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let mut ac_out: [u8; 32] = [0; 32];
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ac_ed_puck(&mut seed, &mut ac_out);
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assert_eq!(ac_out, uc_out);
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}
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#[test]
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fn test_ed_shar() {
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let seed_src =
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&ubig!(_0x4ccd089b28ff96da9db6c346ec114e0f5b8a319f35aba624da8cf6ed4fb8a6fb)
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.to_le_bytes();
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let mut seed: [u8; 32] = [0; 32];
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seed.copy_from_slice(seed_src);
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let public_key_src =
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&ubig!(_0xd75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a)
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.to_le_bytes();
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let mut public_key: [u8; 32] = [0; 32];
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public_key.copy_from_slice(public_key_src);
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let mut uc_out: [u8; 32] = [0; 32];
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unsafe { urcrypt_ed_shar(public_key.as_ptr(), seed.as_ptr(), uc_out.as_mut_ptr()) };
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let mut ac_out: [u8; 32] = [0; 32];
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ac_ed_shar(&public_key, &seed, &mut ac_out);
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assert_eq!(ac_out, uc_out);
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}
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}
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