diff --git a/bip-0322.mediawiki b/bip-0322.mediawiki index 9b5afed4..3638d58f 100644 --- a/bip-0322.mediawiki +++ b/bip-0322.mediawiki @@ -61,15 +61,15 @@ The to_spend transaction is: vout[0].nValue = 0 vout[0].scriptPubKey = message_challenge -where message_hash is a BIP340-tagged hash of the message, i.e. sha256_tag(m), where tag = BIP0322-signed-message, and message_challenge is the to be proven (public) key script. +where message_hash is a BIP340-tagged hash of the message, i.e. sha256_tag(m), where tag = BIP0322-signed-message and m is the message as is without length prefix or null terminator, and message_challenge is the to be proven (public) key script. The to_sign 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 = BIP0322-signed-message, and m is the message as is without length prefix or null terminator: + +* Message = "" (empty string): c90c269c4f8fcbe6880f72a721ddfbf1914268a794cbb21cfafee13770ae19f1 +* Message = "Hello World": f0eb03b1a75ac6d9847f55c624a99169b5dccba2a31f5b23bea77ba270de0a7a + +=== Message signing === + +Given below parameters: + +* private key L3VFeEujGtevx9w18HD1fhRbCH67Az2dpCymeRE1SoPK6XQtaN2k +* corresponding address bc1q9vza2e8x573nczrlzms0wvx3gsqjx7vavgkx0l + +Produce signatures: + +* Message = "" (empty string): AkcwRAIgFuS8y5m0ym9Gj2odoVB5NIL+cPYkeEj8LL1N/6P58X8CIA6jJ9QH2iYKRXVfmhsDzHq1bMS4Adj0nb8DDSdN/SpBASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI= +* Message = "Hello World": AkcwRAIgG3PASL/vRTgAqogWT6S8rUOQXNnfRzX6JncmbFlHc1ACIGQdsW+rnVmsQzyAYRQisHKFMigDmKiL7LUw4x17Fw5tASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI=