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prepare

polymorph_webcrypto_guest::hkdf_sha2

Function prepare 

Source 
pub async fn prepare(
    variant: Sha2Variant,
    input: &Ikm,
    salt: impl Into<Vec<u8>>,
    info: impl Into<Vec<u8>>,
) -> Result<DeriveInput, Error>
Expand description

Parameterize an HKDF derivation over imported keying material: HKDF-Extract runs with salt, and info is bound for the expand step.

An empty salt means the RFC’s default (a hash-length block of zeros). The grants are copied from input.