verifySignature
Verifies a Schnorr BIP-340 signature.
Purpose:
Cryptographic verification of signatures
Testing signature correctness
Cross-compatibility validation with Lace wallet / Midnight blockchain
Usage Example:
val publicKey: ByteArray = ... // 32 bytes BIP-340 public key
val message: ByteArray = ... // Original message that was signed
val signature: ByteArray = ... // 64-byte Schnorr signature
val isValid = TransactionSigner.verifySignature(publicKey, message, signature)
if (isValid) {
println("Signature is cryptographically valid!")
} else {
println("Signature verification failed - invalid or tampered")
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Return
true if signature is valid for the given public key and message, false otherwise
Parameters
publicKey
32-byte BIP-340 public key
message
Message that was signed (arbitrary bytes)
signature
64-byte Schnorr signature (R || s format)
Throws
if input lengths are invalid