Function hkdf_expand

pub fn hkdf_expand<D: Digest>(
    digest: D,
    prk: &[u8],
    info: &[u8],
    okm: &mut [u8],
)

Execute the HKDF-Expand function. Applications MUST NOT use this for password hashing.

Arguments

• digest - The digest function to use.
• prk - The pseudorandom key of at least digest.output_bytes() octets.
• info - The optional context and application specific information to use.
• okm - The output buffer to fill with the derived key value.