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a141deaf36
This helps identify where the various functionalities are used, or rather, not used. The `Ciphersuite` trait present in `patches/ciphersuite`, facilitating the entire FCMP++ tree, only requires the markers _and_ canonical point decoding. I've opened a PR to upstream such a trait into `group` (https://github.com/zkcrypto/group/pull/68). `WrappedGroup` is still justified for as long as `Group::generator` exists. Moving `::generator()` to its own trait, on an independent structure (upstream) would be massively appreciated. @tarcieri also wanted to update from `fn generator()` to `const GENERATOR`, which would encourage further discussion on https://github.com/zkcrypto/group/issues/32 and https://github.com/zkcrypto/group/issues/45, which have been stagnant. The `Id` trait is occasionally used yet really should be first off the chopping block. Finally, `WithPreferredHash` is only actually used around a third of the time, which more than justifies it being a separate trait. --- Updates `dalek_ff_group::Scalar` to directly re-export `curve25519_dalek::Scalar`, as without issue. `dalek_ff_group::RistrettoPoint` also could be replaced with an export of `curve25519_dalek::RistrettoPoint`, yet the coordinator relies on how we implemented `Hash` on it for the hell of it so it isn't worth it at this time. `dalek_ff_group::EdwardsPoint` can't be replaced for an re-export of `curve25519_dalek::SubgroupPoint` as it doesn't implement `zeroize`, `subtle` traits within a released, non-yanked version. Relevance to https://github.com/serai-dex/serai/issues/201 and https://github.com/dalek-cryptography/curve25519-dalek/issues/811#issuecomment-3247732746. Also updates the `Ristretto` ciphersuite to prefer `Blake2b-512` over `SHA2-512`. In order to maintain compliance with FROST's IETF standard, `modular-frost` defines its own ciphersuite for Ristretto which still uses `SHA2-512`.
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 = "0.11.0"
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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 = "0.5", 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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