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RFC 4960, "Stream Control Transmission Protocol", September 2007

Source of RFC: tsvwg (tsv)
See Also: RFC 4960 w/ inline errata

Errata ID: 3423
Status: Verified
Type: Technical
Publication Format(s) : TEXT

Reported By: Pontus Andersson
Date Reported: 2012-12-01
Verifier Name: Martin Stiemerling
Date Verified: 2013-03-06

Section B says:

   unsigned long
   generate_crc32c(unsigned char *buffer, unsigned int length)
   {
     unsigned int i;
     unsigned long crc32 = ~0L;

It should say:

   unsigned long
   generate_crc32c(unsigned char *buffer, unsigned int length)
   {
     unsigned int i;
     unsigned long crc32 = 0xffffffffL;

Notes:

The remainder register (crc32) should be initialized to 0xffffffffL rather than ~0L, for correct operation on platforms where unisigned long is longer than 32 bits. I.e., 64-bit platforms.

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