Trait RandomizedDigestSigner 

pub trait RandomizedDigestSigner<D: Update, S> {
    // Required method
    fn try_sign_digest_with_rng<R: TryCryptoRng + ?Sized, F: Fn(&mut D) -> Result<(), Error>>(
        &self,
        rng: &mut R,
        f: F,
    ) -> Result<S, Error>;

    // Provided method
    fn sign_digest_with_rng<R: CryptoRng + ?Sized, F: Fn(&mut D)>(
        &self,
        rng: &mut R,
        f: F,
    ) -> S { ... }
}

Combination of DigestSigner and RandomizedSigner with support for computing a signature over a digest which requires entropy from an RNG.

Required Methods

fn try_sign_digest_with_rng<R: TryCryptoRng + ?Sized, F: Fn(&mut D) -> Result<(), Error>>( &self, rng: &mut R, f: F, ) -> Result<S, Error>

Attempt to sign a message by updating the received Digest with it, returning a digital signature on success, or an error if something went wrong.

The given function can be invoked multiple times. It is expected that in each invocation the Digest is updated with the entire equal message.

Errors

Returns implementation-specific errors in the event signing failed (e.g. KMS or HSM communication error), or if the provided rng experiences an internal failure.

Provided Methods

fn sign_digest_with_rng<R: CryptoRng + ?Sized, F: Fn(&mut D)>( &self, rng: &mut R, f: F, ) -> S

Sign a message by updating the received Digest with it, returning a signature.

The given function can be invoked multiple times. It is expected that in each invocation the Digest is updated with the entire equal message.

Panics

In the event of a signing error.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors