Lines Matching defs:pkeys
35 static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab)
42 temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2;
49 static int update_keys(unsigned long* pkeys, const z_crc_t* pcrc_32_tab, int c)
51 (*(pkeys+0)) = CRC32((*(pkeys+0)), c);
52 (*(pkeys+1)) += (*(pkeys+0)) & 0xff;
53 (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1;
55 register int keyshift = (int)((*(pkeys+1)) >> 24);
56 (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift);
66 static void init_keys(const char* passwd, unsigned long* pkeys, const z_crc_t* pcrc_32_tab)
68 *(pkeys+0) = 305419896L;
69 *(pkeys+1) = 591751049L;
70 *(pkeys+2) = 878082192L;
72 update_keys(pkeys,pcrc_32_tab,(int)*passwd);
77 #define zdecode(pkeys,pcrc_32_tab,c) \
78 (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
80 #define zencode(pkeys,pcrc_32_tab,c,t) \
81 (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), (Byte)t^(c))
94 unsigned long* pkeys,
115 init_keys(passwd, pkeys, pcrc_32_tab);
119 header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t);
122 init_keys(passwd, pkeys, pcrc_32_tab);
125 buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t);
127 buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t);
128 buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t);