Function crypto::hkdf::hkdf_extract

pub fn hkdf_extract<D: Digest>(digest: D,
                               salt: &[u8],
                               ikm: &[u8],
                               prk: &mut [u8])

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

Arguments

• digest - The digest function to use.
• salt - The optional salt value (a non-secret random value) to use.
• ikm - The input keying material to use.
• prk - The output buffer to fill with a digest.output_bytes() length pseudo random key.