30 #define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
35 static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab)  in decrypt_byte()  argument
48 static int update_keys(unsigned long* pkeys,const z_crc_t* pcrc_32_tab,int c)  in update_keys()  argument
65 static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t* pcrc_32_tab)  in init_keys()  argument
71         update_keys(pkeys,pcrc_32_tab,(int)*passwd);  in init_keys()
76 #define zdecode(pkeys,pcrc_32_tab,c) \  argument
77     (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
79 #define zencode(pkeys,pcrc_32_tab,c,t) \  argument
80     (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c))
94                      const z_crc_t* pcrc_32_tab,  in crypthead()  argument
114     init_keys(passwd, pkeys, pcrc_32_tab);  in crypthead()
118         header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t);  in crypthead()
121     init_keys(passwd, pkeys, pcrc_32_tab);  in crypthead()
124         buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t);  in crypthead()
126     buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t);  in crypthead()
127     buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t);  in crypthead()