410fc3b272
misc: remove some unused functions.
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-04-24 19:33:13 +09:30
df5d4e3c10
bitcoin/signature: BIP143 signature support.
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We hand in the witness_script: if non-NULL, we use BIP143-style
signature hash creation.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-04-12 13:05:51 +09:30
8545db418b
bitcoin/tx: sha256_tx_for_sig() takes sighash flag.
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That way it can assert (as we only support SIGHASH_ALL).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-04-11 16:45:53 +09:30
8104886503
Remove Alpha support.
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I had already disabled it, and this clears the decks for Segregated Witness
which gives us everything we want.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-04-11 16:32:43 +09:30
e669baec1c
bitcoin/signature: fix compilation with #define DEBUG
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-04-11 16:28:23 +09:30
6750794667
Use #if instead of #ifdef (we already use -Wundef).
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This avoids embarassing typos in future.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-01-27 15:00:50 +10:30
9aa0eac814
bitcoin: hand in a secp256k1_context to all routines.
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We don't want to re-create them internally, ever.
The test-cli tools are patched to generate them all the time, but
they're not performance critical.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-01-22 06:41:47 +10:30
93b5db89a8
signature: expose check_signed_hash()
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This is wanted for crypto communications to check signature.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-01-22 06:41:45 +10:30
9ebbe16b1e
source cleanup: sort include lines into alpha order
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This makes merging easier in future.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-01-22 06:38:08 +10:30
32fe988fe8
bitcoin: signature fixes.
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The libsecp change broke signature checking. Disable it for now,
with a big FIXME. The next version should have a method for S value
checking, and also compact serialization.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-10-12 10:45:02 +10:30
242fa1b2dd
pubkey: pubkey_eq helper.
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-09-30 16:38:58 +09:30
e7856e6e69
Update libsecp to git@github.com:bitcoin/secp256k1.git 52fd03f
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We want the ecdh stuff for onion routing.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-09-30 16:37:21 +09:30
6a5ba591ee
signature: match alpha hashing bug for multiple inputs.
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https://github.com/ElementsProject/elements/issues/37
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-24 16:00:10 +09:30
465c2b04e8
signature: fix -DDEBUG case, add hash printing.
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-24 16:00:10 +09:30
faae91f3fc
Schnorr signature support.
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This variation is used by alpha.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-01 16:27:52 +09:30
1d82bf51fc
signature: fix invalid S check.
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The even-S check was based on https://github.com/sipa/bitcoin/commit/a81cd9680
which was replaced by a low-S check in commit e0e14e43d9586409e42919f6cb955540134cda2a
Abstract out and fix the check.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-01 16:27:52 +09:30
d20ddb5a90
Use libsecp256k1 instead of openssl for crypto.
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We still use openssl for bignums (base58) and for ripemd.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-01 16:27:52 +09:30
fbe63124f6
Move DER encoding into bitcoin/signature.c
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-01 16:27:52 +09:30
20624c049f
tx: prepare for Elements Alpha.
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They sign, hash, and serialize differently.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-01 16:27:45 +09:30
ef9463f6b1
Sort include lines (ignoring hacky cli test utils).
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Put ccan first, openssl next, then standard headers, then locals.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-06-12 12:41:28 +09:30
442f321585
Move protobuf<->bitcoin converters out of bitcoin/
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They're lightning-specific.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-06-12 12:35:42 +09:30
612d713470
Move bitcoin stuff into bitcoin subdir.
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It's not very interesting if you're looking for LN code.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-06-12 12:35:42 +09:30
Rusty Russell