基于J2ME的MD5算法类

        l1 = FF(l1, l2, l3, l, al[3], 22L, 0xc1bdceeeL);
        l = FF(l, l1, l2, l3, al[4], 7L, 0xf57c0fafL);
        l3 = FF(l3, l, l1, l2, al[5], 12L, 0x4787c62aL);
        l2 = FF(l2, l3, l, l1, al[6], 17L, 0xa8304613L);
        l1 = FF(l1, l2, l3, l, al[7], 22L, 0xfd469501L);
        l = FF(l, l1, l2, l3, al[8], 7L, 0x698098d8L);
        l3 = FF(l3, l, l1, l2, al[9], 12L, 0x8b44f7afL);
        l2 = FF(l2, l3, l, l1, al[10], 17L, 0xffff5bb1L);
        l1 = FF(l1, l2, l3, l, al[11], 22L, 0x895cd7beL);
        l = FF(l, l1, l2, l3, al[12], 7L, 0x6b901122L);
        l3 = FF(l3, l, l1, l2, al[13], 12L, 0xfd987193L);
        l2 = FF(l2, l3, l, l1, al[14], 17L, 0xa679438eL);
        l1 = FF(l1, l2, l3, l, al[15], 22L, 0x49b40821L);
        l = GG(l, l1, l2, l3, al[1], 5L, 0xf61e2562L);
        l3 = GG(l3, l, l1, l2, al[6], 9L, 0xc040b340L);
        l2 = GG(l2, l3, l, l1, al[11], 14L, 0x265e5a51L);
        l1 = GG(l1, l2, l3, l, al[0], 20L, 0xe9b6c7aaL);
        l = GG(l, l1, l2, l3, al[5], 5L, 0xd62f105dL);
        l3 = GG(l3, l, l1, l2, al[10], 9L, 0x2441453L);
        l2 = GG(l2, l3, l, l1, al[15], 14L, 0xd8a1e681L);
        l1 = GG(l1, l2, l3, l, al[4], 20L, 0xe7d3fbc8L);
        l = GG(l, l1, l2, l3, al[9], 5L, 0x21e1cde6L);
        l3 = GG(l3, l, l1, l2, al[14], 9L, 0xc33707d6L);
        l2 = GG(l2, l3, l, l1, al[3], 14L, 0xf4d50d87L);
        l1 = GG(l1, l2, l3, l, al[8], 20L, 0x455a14edL);
        l = GG(l, l1, l2, l3, al[13], 5L, 0xa9e3e905L);
        l3 = GG(l3, l, l1, l2, al[2], 9L, 0xfcefa3f8L);
        l2 = GG(l2, l3, l, l1, al[7], 14L, 0x676f02d9L);
        l1 = GG(l1, l2, l3, l, al[12], 20L, 0x8d2a4c8aL);
        l = HH(l, l1, l2, l3, al[5], 4L, 0xfffa3942L);
        l3 = HH(l3, l, l1, l2, al[8], 11L, 0x8771f681L);
        l2 = HH(l2, l3, l, l1, al[11], 16L, 0x6d9d6122L);
        l1 = HH(l1, l2, l3, l, al[14], 23L, 0xfde5380cL);
        l = HH(l, l1, l2, l3, al[1], 4L, 0xa4beea44L);