Trait signature::hazmat::PrehashVerifier
source · pub trait PrehashVerifier<S> {
// Required method
fn verify_prehash(&self, prehash: &[u8], signature: &S) -> Result<(), Error>;
}
Expand description
Verify the provided message prehash using Self
(e.g. a public key)
Required Methods§
sourcefn verify_prehash(&self, prehash: &[u8], signature: &S) -> Result<(), Error>
fn verify_prehash(&self, prehash: &[u8], signature: &S) -> Result<(), Error>
Use Self
to verify that the provided signature for a given message
prehash
is authentic.
The prehash
parameter should be the output of a secure cryptographic
hash function.
Returns Error
if it is inauthentic or some other error occurred, or
otherwise returns Ok(())
.
§⚠️ Security Warning
If prehash
is something other than the output of a cryptographically
secure hash function, an attacker can potentially forge signatures by
solving a system of linear equations.