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90bc364f9f
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.
66 lines
2.9 KiB
TOML
66 lines
2.9 KiB
TOML
[package]
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name = "modular-frost"
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version = "0.10.1"
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description = "Modular implementation of FROST over ff/group"
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license = "MIT"
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repository = "https://github.com/serai-dex/serai/tree/develop/crypto/frost"
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authors = ["Luke Parker <lukeparker5132@gmail.com>"]
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keywords = ["frost", "multisig", "threshold"]
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edition = "2021"
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rust-version = "1.85"
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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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[lints]
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workspace = true
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[dependencies]
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thiserror = { version = "2", default-features = false, features = ["std"] }
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rand_core = { version = "0.6", default-features = false, features = ["std"] }
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rand_chacha = { version = "0.3", default-features = false, features = ["std"] }
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zeroize = { version = "^1.5", default-features = false, features = ["std", "zeroize_derive"] }
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subtle = { version = "^2.4", default-features = false, features = ["std"] }
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hex = { version = "0.4", default-features = false, features = ["std"], optional = true }
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transcript = { package = "flexible-transcript", path = "../transcript", version = "^0.3.2", default-features = false, features = ["std", "recommended"] }
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dalek-ff-group = { path = "../dalek-ff-group", version = "0.4", default-features = false, features = ["std"], optional = true }
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minimal-ed448 = { path = "../ed448", version = "0.4", default-features = false, features = ["std"], optional = true }
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ciphersuite = { path = "../ciphersuite", version = "^0.4.1", default-features = false, features = ["std"] }
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sha2 = { version = "0.10.0", default-features = false, optional = true }
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elliptic-curve = { version = "0.13", default-features = false, features = ["hash2curve"], optional = true }
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ciphersuite-kp256 = { path = "../ciphersuite/kp256", version = "0.4", default-features = false, features = ["std"], optional = true }
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multiexp = { path = "../multiexp", version = "0.4", default-features = false, features = ["std", "batch"] }
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schnorr = { package = "schnorr-signatures", path = "../schnorr", version = "^0.5.1", default-features = false, features = ["std"] }
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dkg = { path = "../dkg", version = "0.6.1", default-features = false, features = ["std"] }
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dkg-recovery = { path = "../dkg/recovery", version = "0.6", default-features = false, features = ["std"], optional = true }
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dkg-dealer = { path = "../dkg/dealer", version = "0.6", default-features = false, features = ["std"], optional = true }
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[dev-dependencies]
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hex = "0.4"
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serde_json = { version = "1", default-features = false, features = ["std"] }
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dkg = { path = "../dkg", default-features = false, features = ["std"] }
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dkg-recovery = { path = "../dkg/recovery", default-features = false, features = ["std"] }
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dkg-dealer = { path = "../dkg/dealer", default-features = false, features = ["std"] }
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[features]
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ed25519 = ["dalek-ff-group"]
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ristretto = ["dalek-ff-group"]
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secp256k1 = ["sha2", "elliptic-curve", "ciphersuite-kp256"]
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p256 = ["sha2", "elliptic-curve", "ciphersuite-kp256"]
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ed448 = ["minimal-ed448"]
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tests = ["hex", "rand_core/getrandom", "dkg-dealer", "dkg-recovery"]
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