1 files changed, 0 insertions, 67 deletions
diff --git a/src/mongo/db/service_liason.cpp b/src/mongo/db/service_liason.cpp
index 96bb92d2b00..22edb98b5c2 100644
--- a/src/mongo/db/service_liason.cpp
+++ b/src/mongo/db/service_liason.cpp
@@ -36,73 +36,6 @@
 
 namespace mongo {
 
-namespace {
-
-const int kSignatureSize = sizeof(UUID) + sizeof(OID);
-
-SHA1Block computeSignature(const SignedLogicalSessionId* id, TimeProofService::Key key) {
-    // Write the uuid and user id to a block for signing.
-    char signatureBlock[kSignatureSize] = {0};
-    DataRangeCursor cursor(signatureBlock, signatureBlock + kSignatureSize);
-    auto res = cursor.writeAndAdvance<ConstDataRange>(id->getLsid().getId().toCDR());
-    invariant(res.isOK());
-    if (auto userId = id->getUserId()) {
-        res = cursor.writeAndAdvance<ConstDataRange>(userId->toCDR());
-        invariant(res.isOK());
-    }
-
-    // Compute the signature.
-    return SHA1Block::computeHmac(
-        key.data(), key.size(), reinterpret_cast<uint8_t*>(signatureBlock), kSignatureSize);
-}
-
-KeysCollectionManagerZero kKeysCollectionManagerZero{"HMAC"};
-
-}  // namespace
-
 ServiceLiason::~ServiceLiason() = default;
 
-StatusWith<SignedLogicalSessionId> ServiceLiason::signLsid(OperationContext* opCtx,
-                                                           const LogicalSessionId& lsid,
-                                                           boost::optional<OID> userId) {
-    auto& keyManager = kKeysCollectionManagerZero;
-
-    auto logicalTime = LogicalClock::get(_context())->getClusterTime();
-    auto res = keyManager.getKeyForSigning(opCtx, logicalTime);
-    if (!res.isOK()) {
-        return res.getStatus();
-    }
-
-    SignedLogicalSessionId signedLsid;
-    signedLsid.setUserId(std::move(userId));
-    signedLsid.setLsid(lsid);
-
-    auto keyDoc = res.getValue();
-    signedLsid.setKeyId(keyDoc.getKeyId());
-
-    auto signature = computeSignature(&signedLsid, keyDoc.getKey());
-    signedLsid.setSignature(std::move(signature));
-
-    return signedLsid;
-}
-
-Status ServiceLiason::validateLsid(OperationContext* opCtx, const SignedLogicalSessionId& id) {
-    auto& keyManager = kKeysCollectionManagerZero;
-
-    // Attempt to get the correct key.
-    auto logicalTime = LogicalClock::get(_context())->getClusterTime();
-    auto res = keyManager.getKeyForValidation(opCtx, id.getKeyId(), logicalTime);
-    if (!res.isOK()) {
-        return res.getStatus();
-    }
-
-    // Re-compute the signature, and see that it matches.
-    auto signature = computeSignature(&id, res.getValue().getKey());
-    if (signature != id.getSignature()) {
-        return {ErrorCodes::NoSuchSession, "Signature validation failed."};
-    }
-
-    return Status::OK();
-}
-
 }  // namespace mongo