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Diffstat (limited to 'crypto/heimdal/lib/krb5/crc.c')
-rw-r--r-- | crypto/heimdal/lib/krb5/crc.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/crypto/heimdal/lib/krb5/crc.c b/crypto/heimdal/lib/krb5/crc.c deleted file mode 100644 index 072c29d..0000000 --- a/crypto/heimdal/lib/krb5/crc.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "krb5_locl.h" - -RCSID("$Id: crc.c 17442 2006-05-05 09:31:15Z lha $"); - -static u_long table[256]; - -#define CRC_GEN 0xEDB88320L - -void -_krb5_crc_init_table(void) -{ - static int flag = 0; - unsigned long crc, poly; - int i, j; - - if(flag) return; - poly = CRC_GEN; - for (i = 0; i < 256; i++) { - crc = i; - for (j = 8; j > 0; j--) { - if (crc & 1) { - crc = (crc >> 1) ^ poly; - } else { - crc >>= 1; - } - } - table[i] = crc; - } - flag = 1; -} - -uint32_t -_krb5_crc_update (const char *p, size_t len, uint32_t res) -{ - while (len--) - res = table[(res ^ *p++) & 0xFF] ^ (res >> 8); - return res & 0xFFFFFFFF; -} |