Method P1

security/src/main/java/pro/tools/security/sm/SM3.java:63–67

(Integer x)

    }

    private static Integer P1(Integer x) {
        return x
                ^ Integer.rotateLeft(x, 15)
                ^ Integer.rotateLeft(x, 23);
    }

    private static byte[] padding(byte[] source) throws IOException {
        long l = source.length * 8;