static const char keccak224_str[] PROGMEM = "Keccak-224";
-static const char keccak256_str[] PROGMEM = "keccak-256";
+static const char keccak256_str[] PROGMEM = "Keccak-256";
static const char keccak384_str[] PROGMEM = "Keccak-384";
-static const char keccak512_str[] PROGMEM = "keccak-512";
+static const char keccak512_str[] PROGMEM = "Keccak-512";
const hfdesc_t keccak224_desc PROGMEM = {
HFDESC_TYPE_HASHFUNCTION,