breakingbread
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Reviewed-on: #9 Co-authored-by: UneBaguette <[email protected]> Co-committed-by: UneBaguette <[email protected]>
55 lines
1.5 KiB
Rust
55 lines
1.5 KiB
Rust
// SPDX-License-Identifier: MIT OR Apache-2.0
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// Copyright (c) VexaHub and contributors.
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// Copyright (c) Meta Platforms, Inc. and affiliates.
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//! Includes a series of tests for the group implementations
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use crate::{Error, Group, Result};
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// Test that the deserialization of a group element should throw an error if the
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// identity element can be deserialized properly
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#[test]
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fn test_group_properties() -> Result<()> {
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use p256::NistP256;
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use p384::NistP384;
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use p521::NistP521;
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#[cfg(feature = "ristretto255")]
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{
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use crate::Ristretto255;
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test_identity_element_error::<Ristretto255>()?;
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test_zero_scalar_error::<Ristretto255>()?;
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}
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test_identity_element_error::<NistP256>()?;
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test_zero_scalar_error::<NistP256>()?;
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test_identity_element_error::<NistP384>()?;
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test_zero_scalar_error::<NistP384>()?;
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test_identity_element_error::<NistP521>()?;
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test_zero_scalar_error::<NistP521>()?;
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Ok(())
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}
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// Checks that the identity element cannot be deserialized
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fn test_identity_element_error<G: Group>() -> Result<()> {
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let identity = G::identity_elem();
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let result = G::deserialize_elem(&G::serialize_elem(identity));
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assert!(matches!(result, Err(Error::Deserialization)));
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Ok(())
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}
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// Checks that the zero scalar cannot be deserialized
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fn test_zero_scalar_error<G: Group>() -> Result<()> {
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let zero_scalar = G::zero_scalar();
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let result = G::deserialize_scalar(&G::serialize_scalar(zero_scalar));
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assert!(matches!(result, Err(Error::Deserialization)));
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Ok(())
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}
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