Use separate personalization string for fmd scalar hash

BREAKING: This will break old clues and their detection
penumbra-zone · Mar 29, 2024 · 50fc83a · 50fc83a
1 parent ddc683c
commit 50fc83a
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Showing 2 changed files with 1 addition and 2 deletions.
diff --git a/crates/crypto/decaf377-fmd/src/hash.rs b/crates/crypto/decaf377-fmd/src/hash.rs
@@ -18,7 +18,7 @@ pub fn to_scalar(point: &[u8; 32], n: u8, bits: &[u8]) -> Fr {
     assert_eq!(bits.len(), 3);
 
     let hash = blake2b_simd::Params::default()
-        .personal(b"decaf377-fmd.bit")
+        .personal(b"decaf377-fmd.sca")
         .to_state()
         .update(point)
         .update(&[n])

diff --git a/crates/crypto/decaf377-fmd/src/lib.rs b/crates/crypto/decaf377-fmd/src/lib.rs
@@ -20,4 +20,3 @@ pub use error::Error;
 pub use precision::Precision;
 
 pub(crate) use precision::MAX_PRECISION;
-
Original file line number	Diff line number	Diff line change
Expand Up		@@ -20,4 +20,3 @@ pub use error::Error;
		pub use precision::Precision;

		pub(crate) use precision::MAX_PRECISION;