Function crypto::hkdf::hkdf_expand [−] [src]

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.