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| author | kallewoof <karljohan-alm@garage.co.jp> | 2022-02-07 15:12:01 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-02-07 15:12:01 +0900 |
| commit | 97e02b2223b21753acefa813a4e59dbb6e849e77 (patch) | |
| tree | ceff2660d4647487ff297767420d2ff11d1ec48b | |
| parent | 02de475efc528058bd04a0c4ad31b6422aed5f5f (diff) | |
| parent | f52e047d09d6ddc7c2dbf6549dfdc91c09e9a026 (diff) | |
| download | bips-97e02b2223b21753acefa813a4e59dbb6e849e77.tar.xz | |
Merge pull request #1279 from kallewoof/202201-bip322-testvecs
clarify message serialization and add test vectors to BIP-322
| -rw-r--r-- | bip-0322.mediawiki | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/bip-0322.mediawiki b/bip-0322.mediawiki index 9b5afed..3638d58 100644 --- a/bip-0322.mediawiki +++ b/bip-0322.mediawiki @@ -61,15 +61,15 @@ The <code>to_spend</code> transaction is: vout[0].nValue = 0 vout[0].scriptPubKey = message_challenge -where <code>message_hash</code> is a BIP340-tagged hash of the message, i.e. sha256_tag(m), where tag = <code>BIP0322-signed-message</code>, and <code>message_challenge</code> is the to be proven (public) key script. +where <code>message_hash</code> is a BIP340-tagged hash of the message, i.e. sha256_tag(m), where tag = <code>BIP0322-signed-message</code> and <code>m</code> is the message as is without length prefix or null terminator, and <code>message_challenge</code> is the to be proven (public) key script. The <code>to_sign</code> transaction is: - nVersion = 0 or as appropriate (e.g. 2, for time locks) - nLockTime = 0 or as appropriate (for time locks) + nVersion = 0 or (FULL format only) as appropriate (e.g. 2, for time locks) + nLockTime = 0 or (FULL format only) as appropriate (for time locks) vin[0].prevout.hash = to_spend.txid vin[0].prevout.n = 0 - vin[0].nSequence = 0 or as appropriate (for time locks) + vin[0].nSequence = 0 or (FULL format only) as appropriate (for time locks) vin[0].scriptWitness = message_signature vout[0].nValue = 0 vout[0].scriptPubKey = OP_RETURN @@ -144,7 +144,7 @@ This specification is backwards compatible with the legacy signmessage/verifymes == Reference implementation == -TODO +* Bitcoin Core pull request (basic support) at: https://github.com/bitcoin/bitcoin/pull/24058 == Acknowledgements == @@ -160,4 +160,21 @@ This document is licensed under the Creative Commons CC0 1.0 Universal license. == Test vectors == -TODO +=== Message hashing === + +Message hashes are BIP340-tagged hashes of a message, i.e. sha256_tag(m), where tag = <code>BIP0322-signed-message</code>, and m is the message as is without length prefix or null terminator: + +* Message = "" (empty string): <code>c90c269c4f8fcbe6880f72a721ddfbf1914268a794cbb21cfafee13770ae19f1</code> +* Message = "Hello World": <code>f0eb03b1a75ac6d9847f55c624a99169b5dccba2a31f5b23bea77ba270de0a7a</code> + +=== Message signing === + +Given below parameters: + +* private key <code>L3VFeEujGtevx9w18HD1fhRbCH67Az2dpCymeRE1SoPK6XQtaN2k</code> +* corresponding address <code>bc1q9vza2e8x573nczrlzms0wvx3gsqjx7vavgkx0l</code> + +Produce signatures: + +* Message = "" (empty string): <code>AkcwRAIgFuS8y5m0ym9Gj2odoVB5NIL+cPYkeEj8LL1N/6P58X8CIA6jJ9QH2iYKRXVfmhsDzHq1bMS4Adj0nb8DDSdN/SpBASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI=</code> +* Message = "Hello World": <code>AkcwRAIgG3PASL/vRTgAqogWT6S8rUOQXNnfRzX6JncmbFlHc1ACIGQdsW+rnVmsQzyAYRQisHKFMigDmKiL7LUw4x17Fw5tASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI=</code> |