Trait HmacContext 

pub trait HmacContext: Send {
    // Required methods
    fn update(&mut self, data: &[u8]);
    fn finish(&mut self) -> Result<&[u8]>;
}

Available on crate feature cloud-base and (crate features aws-base or azure-base or gcp-base) only.

Incrementally compute a HMAC, see CryptoProvider::hmac

Required Methods

fn update(&mut self, data: &[u8])

Updates the HMAC with all the data in data.

It is implementation-defined behaviour to call this after calling Self::finish

fn finish(&mut self) -> Result<&[u8]>

Finalizes the HMAC calculation and returns the HMAC value.

It is implementation-defined behaviour to call this after calling Self::finish

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors