2023-04-10 06:05:17 -04:00
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[package]
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name = "frost-schnorrkel"
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2025-08-18 04:55:27 -04:00
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version = "0.2.0"
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2023-04-10 06:05:17 -04:00
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description = "modular-frost Algorithm compatible with Schnorrkel"
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license = "MIT"
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repository = "https://github.com/serai-dex/serai/tree/develop/crypto/schnorrkel"
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authors = ["Luke Parker <lukeparker5132@gmail.com>"]
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keywords = ["frost", "multisig", "threshold", "schnorrkel"]
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edition = "2021"
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Replace `Ciphersuite::hash_to_F`
The prior-present `Ciphersuite::hash_to_F` was a sin. Implementations took a
DST, yet were not require to securely handle it. It was also biased towards the
requirements of `modular-frost` as `ciphersuite` was originally written all
those years ago, when `modular-frost` had needs exceeding what `ff`, `group`
satisfied.
Now, the hash is bound to produce an output which can be converted to a scalar
with `ff::FromUniformBytes`. A new `hash_to_F`, which accepts a single argument
of the value to hash (removing the potential to insecurely handle the DST by
removing the DST entirely). Due to `digest` yielding a `GenericArray`, yet
`FromUniformBytes` taking a `const usize`, the `ciphersuite` crate now defines
a `FromUniformBytes` trait taking an array (then implemented for all satisfiers
of `ff::FromUniformBytes`). In order to get the array type from the
`GenericArray`, the output of the hash, `digest` is updated to the `0.11`
release candidate which moves to `flexible-array` which solves that problem.
The existing, specific `hash_to_F` functions have been moved to `modular-frost`
as necessary.
`flexible-array` itself is patched to a fork due to
https://github.com/RustCrypto/hybrid-array/issues/131.
2025-08-29 05:04:03 -04:00
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rust-version = "1.85"
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2023-04-10 06:05:17 -04:00
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[package.metadata.docs.rs]
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all-features = true
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rustdoc-args = ["--cfg", "docsrs"]
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2023-12-16 20:54:24 -05:00
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[lints]
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workspace = true
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2023-04-10 06:05:17 -04:00
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[dependencies]
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2025-09-18 17:26:02 -04:00
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std-shims = { version = "0.1", path = "../../common/std-shims", default-features = false, features = ["alloc"] }
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2023-04-10 06:05:17 -04:00
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2025-09-15 23:16:11 -04:00
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rand_core = { version = "0.6", default-features = false }
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zeroize = { version = "1.5", default-features = false, features = ["zeroize_derive", "alloc"] }
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2023-04-10 06:05:17 -04:00
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2025-09-15 23:16:11 -04:00
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transcript = { package = "flexible-transcript", path = "../transcript", version = "0.3.2", default-features = false, features = ["merlin"] }
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2023-04-10 06:05:17 -04:00
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2025-09-15 23:16:11 -04:00
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ciphersuite = { path = "../ciphersuite", version = "0.4.1", default-features = false, features = ["alloc"] }
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schnorr = { package = "schnorr-signatures", path = "../schnorr", version = "0.5.1", default-features = false, features = ["alloc"] }
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frost = { path = "../frost", package = "modular-frost", version = "0.11.0", default-features = false, features = ["ristretto"] }
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2023-04-10 06:05:17 -04:00
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2025-09-15 23:16:11 -04:00
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schnorrkel = { version = "0.11", default-features = false, features = ["alloc"] }
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2023-04-10 06:05:17 -04:00
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[dev-dependencies]
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frost = { path = "../frost", package = "modular-frost", features = ["tests"] }
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2025-09-15 23:16:11 -04:00
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[features]
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std = [
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"std-shims/std",
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"rand_core/std",
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"zeroize/std",
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"transcript/std",
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"ciphersuite/std",
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"schnorr/std",
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"frost/std",
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"schnorrkel/std",
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]
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default = ["std"]
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