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Fix DER encoding.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2015-06-04 15:46:49 +09:30
parent 623c6562af
commit 17c56a8cfc
7 changed files with 168 additions and 57 deletions
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15
check-commit-sig.c
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@@ -31,7 +31,7 @@ int main(int argc, char *argv[])
u8 *tx_arr;
size_t *inmap, *outmap;
struct pubkey pubkey1, pubkey2;
struct signature *sig1, sig2;
struct bitcoin_signature sig1, sig2;
char *tx_hex;
EC_KEY *privkey;
bool testnet;
@@ -78,22 +78,25 @@ int main(int argc, char *argv[])
/* FIXME: Creating out signature just to check the script we create
* is overkill: if their signature and pubkey signed the commit txin,
* we're happy. */
sig1 = sign_tx_input(ctx, commit, 0, anchor->output[outmap[0]].script,
anchor->output[outmap[0]].script_length, privkey);
sig1.stype = SIGHASH_ALL;
sign_tx_input(ctx, commit, 0, anchor->output[outmap[0]].script,
anchor->output[outmap[0]].script_length, privkey,
&sig1.sig);
/* Signatures and pubkeys well-formed? */
if (!proto_to_signature(cs2->sig, &sig2))
if (!proto_to_signature(cs2->sig, &sig2.sig))
errx(1, "Invalid commit-sig-2");
sig2.stype = SIGHASH_ALL;
if (!proto_to_pubkey(o2->anchor->pubkey, &pubkey2))
errx(1, "Invalid anchor-2 key");
/* Combined signatures must validate correctly. */
if (!check_2of2_sig(commit, 0, &anchor->output[outmap[0]],
&pubkey1, &pubkey2, sig1, &sig2))
&pubkey1, &pubkey2, &sig1, &sig2))
errx(1, "Signature failed");
/* Create p2sh input for commit */
commit->input[0].script = scriptsig_p2sh_2of2(commit, sig1, &sig2,
commit->input[0].script = scriptsig_p2sh_2of2(commit, &sig1, &sig2,
&pubkey1, &pubkey2);
commit->input[0].script_length = tal_count(commit->input[0].script);