deriveFromKey abstract method

SecureKey deriveFromKey({
  1. required SecureKey masterKey,
  2. required String context,
  3. required int subkeyId,
  4. required int subkeyLen,
})

Provides crypto_kdf_derive_from_key.

See https://libsodium.gitbook.io/doc/key_derivation#key-derivation-with-libsodium-greater-than-1-0-12

Implementation

SecureKey deriveFromKey({
  required SecureKey masterKey,
  required String context,
  required int subkeyId,
  required int subkeyLen,
});