Function desfire::kdf_an10922(key<cipher_type::aes128> const&, cipher_provider&, mlab::bin_data&)

• Defined in File kdf.hpp

Function Documentation

key<cipher_type::aes128> desfire::kdf_an10922(key<cipher_type::aes128> const &key, cipher_provider &provider, mlab::bin_data &diversify_input)

Specialization of the AN10922 KDF function for specific key types.

These overloads can derive a new key from a given key object, by creating the appropriate cipher.

Parameters:

• key – Key to diversify.

• provider – Cipher provider for building the correct crypto implementation.

• diversify_input – Diversification input. At most 2 * BlockSize - 1 bytes wil be used. It will be modified by the operation.

Returns:

A diversified key of the same type, with the same version.