diff options
Diffstat (limited to 'src/minizip/crypt.h')
| -rw-r--r-- | src/minizip/crypt.h | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/src/minizip/crypt.h b/src/minizip/crypt.h index 9c7a89c..1e9e820 100644 --- a/src/minizip/crypt.h +++ b/src/minizip/crypt.h @@ -1,9 +1,9 @@ /* crypt.h -- base code for crypt/uncrypt ZIPfile - Version 1.00, September 10th, 2003 + Version 1.01e, February 12th, 2005 - Copyright (C) 1998-2003 Gilles Vollant + Copyright (C) 1998-2005 Gilles Vollant This code is a modified version of crypting code in Infozip distribution @@ -32,7 +32,7 @@ /*********************************************************************** * Return the next byte in the pseudo-random sequence */ -static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab) +static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab) { unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an * unpredictable manner on 16-bit systems; not a problem @@ -45,7 +45,7 @@ static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab) /*********************************************************************** * Update the encryption keys with the next byte of plain text */ -static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c) +static int update_keys(unsigned long* pkeys,const z_crc_t* pcrc_32_tab,int c) { (*(pkeys+0)) = CRC32((*(pkeys+0)), c); (*(pkeys+1)) += (*(pkeys+0)) & 0xff; @@ -62,7 +62,7 @@ static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int * Initialize the encryption keys and the random header according to * the given password. */ -static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab) +static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t* pcrc_32_tab) { *(pkeys+0) = 305419896L; *(pkeys+1) = 591751049L; @@ -87,13 +87,12 @@ static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned lon # define ZCR_SEED2 3141592654UL /* use PI as default pattern */ # endif -static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting) - const char *passwd; /* password string */ - unsigned char *buf; /* where to write header */ - int bufSize; - unsigned long* pkeys; - const unsigned long* pcrc_32_tab; - unsigned long crcForCrypting; +static int crypthead(const char* passwd, /* password string */ + unsigned char* buf, /* where to write header */ + int bufSize, + unsigned long* pkeys, + const z_crc_t* pcrc_32_tab, + unsigned long crcForCrypting) { int n; /* index in random header */ int t; /* temporary */ @@ -124,8 +123,8 @@ static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting) { buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t); } - buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t); - buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t); + buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t); + buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t); return n; } |