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Fix off-by-one so pedersen_hash doesn't consume too many generators.

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This commit is contained in:
Jim Posen
2019-08-17 11:58:22 +02:00
parent 6f0080ba72
commit 40f768ed60
1 changed files with 2 additions and 2 deletions
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4
zcash_proofs/src/circuit/pedersen_hash.rs
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@@ -26,12 +26,12 @@ where
assert_eq!(personalization.len(), 6);
let mut edwards_result = None;
let mut bits = personalization.iter().chain(bits.iter());
let mut bits = personalization.iter().chain(bits.iter()).peekable();
let mut segment_generators = params.pedersen_circuit_generators().iter();
let boolean_false = Boolean::constant(false);
let mut segment_i = 0;
loop {
while bits.peek().is_some() {
let mut segment_result = None;
let mut segment_windows = &segment_generators.next().expect("enough segments")[..];