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modular: bring back 1.1.0 hashToPrivateScalar for clean diff

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This commit is contained in:
Paul Miller 2023-08-18 21:14:08 +00:00
parent ca99179bd8
commit f049398718
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1 changed files with 2 additions and 2 deletions
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4
src/abstract/modular.ts
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@ -420,9 +420,9 @@ export function hashToPrivateScalar(
): bigint {
hash = ensureBytes('privateHash', hash);
const hashLen = hash.length;
const minLen = nLength(groupOrder).nByteLength + 8; // 8b (64 bits) gives 2^-64 bias
const minLen = nLength(groupOrder).nByteLength + 8;
if (minLen < 24 || hashLen < minLen || hashLen > 1024)
throw new Error(`expected ${minLen}-1024 bytes of input, got ${hashLen}`);
throw new Error(`hashToPrivateScalar: expected ${minLen}-1024 bytes of input, got ${hashLen}`);
const num = isLE ? bytesToNumberLE(hash) : bytesToNumberBE(hash);
return mod(num, groupOrder - _1n) + _1n;
}