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hkdf_sha256

pamoja_session

Function hkdf_sha256 

Source 
pub fn hkdf_sha256(salt: &[u8], ikm: &[u8], info: &[u8], out: &mut [u8])
Expand description

Derives output key material from input keying material with HKDF-SHA256.

Extracts a pseudorandom key from salt and ikm, then expands it under info to fill out.

§Arguments

  • salt - a non-secret salt; a fresh per-session value gives each session its own key.
  • ikm - the input keying material, such as a shared or pairing secret.
  • info - a context label binding the output to its purpose.
  • out - the buffer to fill with derived key material.

§Panics

Panics if out is longer than HKDF-SHA256’s 255 * 32-byte limit.