Add tests for low R signing

This commit is contained in:
junderw 2019-04-15 15:28:01 +09:00
parent ccd439b805
commit b5577607d4
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GPG key ID: B256185D3A971908
3 changed files with 30 additions and 8 deletions

14
package-lock.json generated
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@ -731,9 +731,9 @@
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},
"nyc": {
"version": "13.3.0",
@ -1911,15 +1911,15 @@
}
},
"tiny-secp256k1": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-1.0.1.tgz",
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"requires": {
"bindings": "^1.3.0",
"bn.js": "^4.11.8",
"create-hmac": "^1.1.7",
"elliptic": "^6.4.0",
"nan": "^2.10.0"
"nan": "^2.12.1"
}
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"to-fast-properties": {

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@ -53,7 +53,7 @@
"merkle-lib": "^2.0.10",
"pushdata-bitcoin": "^1.0.1",
"randombytes": "^2.0.1",
"tiny-secp256k1": "^1.0.0",
"tiny-secp256k1": "^1.1.0",
"typeforce": "^1.11.3",
"varuint-bitcoin": "^1.0.4",
"wif": "^2.0.1"

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@ -259,4 +259,26 @@ describe('ECPair', () => {
}))
})
})
describe('optional low R signing', () => {
const sig = Buffer.from('95a6619140fca3366f1d3b013b0367c4f86e39508a50fdce' +
'e5245fbb8bd60aa6086449e28cf15387cf9f85100bfd0838624ca96759e59f65c10a00' +
'16b86f5229', 'hex')
const sigLowR = Buffer.from('6a2660c226e8055afad317eeba918a304be79208d505' +
'3bc5ea4a5e4c5892b4a061c717c5284ae5202d721c0e49b4717b79966280906b1d3b52' +
'95d1fdde963c35', 'hex')
const lowRKeyPair = ECPair.fromWIF('L3nThUzbAwpUiBAjR5zCu66ybXSPMr2zZ3ikp' +
'ScpTPiYTxBynfZu')
const dataToSign = Buffer.from('b6c5c548a7f6164c8aa7af5350901626ebd69f9ae' +
'2c1ecf8871f5088ec204cfe', 'hex')
it('signs with normal R by default', () => {
const signed = lowRKeyPair.sign(dataToSign)
assert.deepStrictEqual(sig, signed)
})
it('signs with low R when true is passed', () => {
const signed = lowRKeyPair.sign(dataToSign, true)
assert.deepStrictEqual(sigLowR, signed)
})
})
})