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tests/bls12: fix crashes on zero messages

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Paul Miller 2023-08-05 08:56:52 +00:00
parent bfd9ae040d
commit af8462b09e
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GPG Key ID: 697079DA6878B89B
1 changed files with 7 additions and 0 deletions
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test/bls12-381.test.js
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@ -37,6 +37,11 @@ const B_192_40 = '40'.padEnd(192, '0');
const B_384_40 = '40'.padEnd(384, '0'); // [0x40, 0, 0...]
const getPubKey = (priv) => bls.getPublicKey(priv);
function replaceZeroPoint(item) {
const zeros = '0000000000000000000000000000000000000000000000000000000000000000';
const ones = '1000000000000000000000000000000000000000000000000000000000000001';
return item === zeros ? ones : item
}
function equal(a, b, comment) {
deepStrictEqual(a.equals(b), true, `eq(${comment})`);
@ -1234,6 +1239,7 @@ describe('verify()', () => {
should('verify multi-signature as simple signature', () => {
fc.assert(
fc.property(FC_MSG, FC_BIGINT_5, (message, privateKeys) => {
message = replaceZeroPoint(message);
const publicKey = privateKeys.map(getPubKey);
const signatures = privateKeys.map((privateKey) => bls.sign(message, privateKey));
const aggregatedSignature = bls.aggregateSignatures(signatures);
@ -1245,6 +1251,7 @@ describe('verify()', () => {
should('not verify wrong multi-signature as simple signature', () => {
fc.assert(
fc.property(FC_MSG, FC_MSG, FC_BIGINT_5, (message, wrongMessage, privateKeys) => {
message = replaceZeroPoint(message);
const publicKey = privateKeys.map(getPubKey);
const signatures = privateKeys.map((privateKey) => bls.sign(message, privateKey));
const aggregatedSignature = bls.aggregateSignatures(signatures);