Index: libzip-0.10.1/lib/zip_source_pkware.c
===================================================================
--- libzip-0.10.1.orig/lib/zip_source_pkware.c	2012-03-15 09:27:50.000000000 +0000
+++ libzip-0.10.1/lib/zip_source_pkware.c	2012-07-07 02:03:29.000000000 +0000
@@ -49,10 +49,6 @@
 #define KEY1		591751049
 #define KEY2		878082192
 
-static const uLongf *crc = NULL;
-
-#define CRC32(c, b) (crc[((c) ^ (b)) & 0xff] ^ ((c) >> 8))
-
 
 
 static void decrypt(struct trad_pkware *, zip_uint8_t *,
@@ -80,9 +76,6 @@
 	return NULL;
     }
 
-    if (crc == NULL)
-	crc = get_crc_table();
-
     if ((ctx=(struct trad_pkware *)malloc(sizeof(*ctx))) == NULL) {
 	_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
 	return NULL;
@@ -128,10 +121,10 @@
 	    out[i] = b;
 
 	/* update keys */
-	ctx->key[0] = CRC32(ctx->key[0], b);
+	ctx->key[0] = crc32(ctx->key[0] ^ 0xffffffffUL, &b, 1) ^ 0xffffffffUL;
 	ctx->key[1] = (ctx->key[1] + (ctx->key[0] & 0xff)) * 134775813 + 1;
 	b = ctx->key[1] >> 24;
-	ctx->key[2] = CRC32(ctx->key[2], b);
+	ctx->key[2] = crc32(ctx->key[2] ^ 0xffffffffUL, &b, 1) ^ 0xffffffffUL;
     }
 }