milksad
/
rust-secp256k1-unsafe-fast
14
0
Fork 0
Code Issues Pull Requests Activity

Merge rust-bitcoin/rust-secp256k1#711: Improve from digest comment 

72e09c1a7c Improve the comment on `Message::from_digest` (Martin Habovstiak)

Pull request description:

  Minor improvement on top of #712

ACKs for top commit:
  apoelstra:
    ACK 72e09c1a7c

Tree-SHA512: 06e8e706bb9732ea46ef3488ed33f7c7c84ea5afa5b1b2bca03cd2641524ff61156133436c1dd62df62769c8544644e1a4453fbacf4413fece73282ae154a387
This commit is contained in:
merge-script 2024-07-29 10:45:05 +00:00
parent 3f067d5b1a 72e09c1a7c
commit 2753b9e767
No known key found for this signature in database
GPG Key ID: C588D63CE41B97C1
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/lib.rs
View File

@ -66,12 +66,14 @@
//! ```rust
//! # #[cfg(feature = "alloc")] {
//! use secp256k1::{Secp256k1, Message, SecretKey, PublicKey};
//! # fn compute_hash(_: &[u8]) -> [u8; 32] { [0xab; 32] }
//!
//! let secp = Secp256k1::new();
//! let secret_key = SecretKey::from_slice(&[0xcd; 32]).expect("32 bytes, within curve order");
//! let public_key = PublicKey::from_secret_key(&secp, &secret_key);
//! // This is unsafe unless the supplied byte slice is the output of a cryptographic hash function.
//! let message = Message::from_digest([0xab; 32]);
//! // If the supplied byte slice was *not* the output of a cryptographic hash function this would
//! // be cryptographically broken. It has been trivially used in the past to execute attacks.
//! let message = Message::from_digest(compute_hash(b"CSW is not Satoshi"));
//!
//! let sig = secp.sign_ecdsa(&message, &secret_key);
//! assert!(secp.verify_ecdsa(&message, &sig, &public_key).is_ok());