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fix authentication with promoteBuffers: true #430

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May 7, 2019
Merged

fix authentication with promoteBuffers: true #430

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5 changes: 3 additions & 2 deletions lib/auth/scram.js
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Original file line number Diff line number Diff line change
Expand Up @@ -177,7 +177,8 @@ class ScramSHA extends AuthProvider {
return callback(tmpError, null);
}

const dict = parsePayload(r.payload.value());
const payload = Buffer.isBuffer(r.payload) ? new Binary(r.payload) : r.payload;
const dict = parsePayload(payload.value());
const iterations = parseInt(dict.i, 10);
const salt = dict.s;
const rnonce = dict.r;
Expand All @@ -198,7 +199,7 @@ class ScramSHA extends AuthProvider {

const clientKey = HMAC(cryptoMethod, saltedPassword, 'Client Key');
const storedKey = H(cryptoMethod, clientKey);
const authMessage = [firstBare, r.payload.value().toString('base64'), withoutProof].join(',');
const authMessage = [firstBare, payload.value().toString('base64'), withoutProof].join(',');

const clientSignature = HMAC(cryptoMethod, storedKey, authMessage);
const clientProof = `p=${xor(clientKey, clientSignature)}`;
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