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Resolve merging crypto-{audit, tweaks} and use the proper transcript in Bitcoin

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This commit is contained in:
Luke Parker
2023-03-16 16:59:20 -04:00
parent 64924835ad
commit d2c1592c61
8 changed files with 75 additions and 36 deletions
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4
coins/monero/Cargo.toml
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@@ -12,9 +12,10 @@ all-features = true
rustdoc-args = ["--cfg", "docsrs"]
[dependencies]
futures = "0.3"
lazy_static = "1"
thiserror = "1"
crc = "3"
rand_core = "0.6"
rand_chacha = { version = "0.3", optional = true }
@@ -24,6 +25,7 @@ rand_distr = "0.4"
zeroize = { version = "^1.5", features = ["zeroize_derive"] }
subtle = "^2.4"
crc = "3"
sha3 = "0.10"
curve25519-dalek = { version = "^3.2", features = ["std"] }

2
coins/monero/src/ringct/clsag/mod.rs
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@@ -184,7 +184,7 @@ fn core(
let L = (&s[i] * &ED25519_BASEPOINT_TABLE) + (c_p * P[i]) + (c_c * C[i]);
let PH = hash_to_point(P[i]);
// Shouldn't be an issue as all of the variables in this vartime statement are public
let R = (s[i] * PH) + images_precomp.vartime_multiscalar_mul(&[c_p, c_c]);
let R = (s[i] * PH) + images_precomp.vartime_multiscalar_mul([c_p, c_c]);
to_hash.truncate(((2 * n) + 3) * 32);
to_hash.extend(L.compress().to_bytes());