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rust-secp256k1-unsafe-fast
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Add a verify function to PublicKey 

Expose signature verification functionality for schnorr signatures on
the `XOnlyPublicKey` type.
This commit is contained in:
Tobin C. Harding 2023-06-20 05:10:32 +10:00
parent 7c8270a850
commit d60b891126
No known key found for this signature in database
GPG Key ID: 40BF9E4C269D6607
1 changed files with 12 additions and 4 deletions
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16
src/key.rs
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@ -12,12 +12,10 @@ use serde::ser::SerializeTuple;
use crate::ffi::types::c_uint;
use crate::ffi::{self, CPtr};
#[cfg(all(feature = "global-context", feature = "rand-std"))]
use crate::schnorr;
use crate::Error::{self, InvalidPublicKey, InvalidPublicKeySum, InvalidSecretKey};
use crate::{constants, from_hex, Scalar, Secp256k1, Signing, Verification};
use crate::{constants, from_hex, schnorr, Message, Scalar, Secp256k1, Signing, Verification};
#[cfg(feature = "global-context")]
use crate::{ecdsa, Message, SECP256K1};
use crate::{ecdsa, SECP256K1};
#[cfg(feature = "bitcoin_hashes")]
use crate::{hashes, ThirtyTwoByteHash};
@ -1316,6 +1314,16 @@ impl XOnlyPublicKey {
pub fn public_key(&self, parity: Parity) -> PublicKey {
PublicKey::from_x_only_public_key(*self, parity)
}
/// Checks that `sig` is a valid schnorr signature for `msg` using this public key.
pub fn verify<C: Verification>(
&self,
secp: &Secp256k1<C>,
msg: &Message,
sig: &schnorr::Signature,
) -> Result<(), Error> {
secp.verify_schnorr(sig, msg, self)
}
}
/// Represents the parity passed between FFI function calls.