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Check return value of derive_simple_privkey(...) call in hsm_unilateral_close_privkey(...)

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All other users of derive_simple_privkey(...) check the return value:

```
channeld/channel.c:     if (!derive_simple_privkey(&peer->our_secrets.htlc_basepoint_secret,
lightningd/test/run-commit_tx.c:        if (!derive_simple_privkey(&x_remote_htlc_basepoint_secret,
lightningd/test/run-commit_tx.c:        if (!derive_simple_privkey(&x_local_delayed_payment_basepoint_secret,
lightningd/test/run-commit_tx.c:        if (!derive_simple_privkey(&x_local_htlc_basepoint_secret,
lightningd/test/run-key_derive.c:       if (!derive_simple_privkey(&base_secret, &base_point,
onchaind/onchain.c:     if (!derive_simple_privkey(&secrets->delayed_payment_basepoint_secret,
onchaind/onchain.c:     if (!derive_simple_privkey(&secrets->payment_basepoint_secret,
onchaind/onchain.c:     if (!derive_simple_privkey(&secrets->htlc_basepoint_secret,
onchaind/onchain.c:     if (!derive_simple_privkey(&secrets->payment_basepoint_secret,
onchaind/onchain.c:     if (!derive_simple_privkey(&secrets->htlc_basepoint_secret,
```
This commit is contained in:
practicalswift
2018-01-09 22:33:42 +01:00
committed by Rusty Russell
parent e8c94c2e29
commit c53dfc3fde
1 changed files with 6 additions and 3 deletions
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9
hsmd/hsm.c
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@@ -575,9 +575,12 @@ static void hsm_unilateral_close_privkey(struct privkey *dst,
derive_peer_seed(&peer_seed, &peer_seed_base, &info->peer_id, info->channel_id);
derive_basepoints(&peer_seed, NULL, &basepoints, &secrets, NULL);
derive_simple_privkey(&secrets.payment_basepoint_secret,
&basepoints.payment, &info->commitment_point,
dst);
if (!derive_simple_privkey(&secrets.payment_basepoint_secret,
&basepoints.payment, &info->commitment_point,
dst)) {
status_failed(STATUS_FAIL_INTERNAL_ERROR,
"Deriving unilateral_close_privkey");
}
}
/**