@Override
    public String toString() {
        return new StringJoiner(", ", Argon2Hash.class.getSimpleName() + "[", "]")
                .add("super=" + super.toString())
                .add("version=" + argonVersion)
                .add("iterations=" + iterations)
                .add("memoryKiB=" + memoryKiB)
                .add("parallelism=" + parallelism)
                .toString();
    }
128 bits of salt is the recommended salt length, taken from draft-irtf-cfrg-argon2-13, 4.2.
crypto/support/hashes/argon2/src/main/java/org/apache/shiro/crypto/support/hashes/argon2/Argon2Hash.java