1. ca2ea4e Fix issue if salt = NULL and salt_len !=0 in mbedtls_hkdf_extract() by Brian J Murray · 7 years ago
  2. a61d123 Minor changes to comments in hkdf.c by Brian J Murray · 7 years ago
  3. 656864b Add an HKDF (RFC 5869) implementation by Thomas Fossati · 9 years ago