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Cite the Fletcher paper.

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Dag-Erling Smørgrav 2015-08-18 10:42:41 +00:00 committed by des
parent 20cd7d6012
commit 1609b4e08a
3 changed files with 20 additions and 5 deletions
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5
lib/hash/fletcher16.c
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@ -37,7 +37,10 @@
#include <cryb/hash.h> #include <cryb/hash.h>
/* /*
* Simple implementation of Fletcher's checksum (16-bit version). * Simple implementation of the 16-bit variant of Fletcher's checksum,
* described in Fletcher, J. G. (January 1982), "An Arithmetic Checksum
* for Serial Transmissions", IEEE Transactions on Communications. COM-30
* (1): 247–252, doi:10.1109/tcom.1982.1095369
*/ */
uint16_t uint16_t
fletcher16_hash(const void *data, size_t len) fletcher16_hash(const void *data, size_t len)

10
lib/hash/fletcher32.c
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@ -37,8 +37,14 @@
#include <cryb/hash.h> #include <cryb/hash.h>
/* /*
* Simple implementation of Fletcher's checksum (32-bit version). The * Simple implementation of the 32-bit variant of Fletcher's checksum,
* input length is zero-padded to the nearest multiple of 2 bytes. * described in Fletcher, J. G. (January 1982), "An Arithmetic Checksum
* for Serial Transmissions", IEEE Transactions on Communications. COM-30
* (1): 247–252, doi:10.1109/tcom.1982.1095369
*
* The paper assumes that the input length is a multiple of the checksum
* algorithm's word size (half the checksum size). This implementation
* will zero-pad the input up to the nearest multiple of the word size.
*/ */
uint32_t uint32_t
fletcher32_hash(const void *data, size_t len) fletcher32_hash(const void *data, size_t len)

10
lib/hash/fletcher64.c
View file

@ -37,8 +37,14 @@
#include <cryb/hash.h> #include <cryb/hash.h>
/* /*
* Simple implementation of Fletcher's checksum (64-bit version). The * Simple implementation of the 64-bit variant of Fletcher's checksum,
* input length is zero-padded to the nearest multiple of 4 bytes. * described in Fletcher, J. G. (January 1982), "An Arithmetic Checksum
* for Serial Transmissions", IEEE Transactions on Communications. COM-30
* (1): 247–252, doi:10.1109/tcom.1982.1095369
*
* The paper assumes that the input length is a multiple of the checksum
* algorithm's word size (half the checksum size). This implementation
* will zero-pad the input up to the nearest multiple of the word size.
*/ */
uint64_t uint64_t
fletcher64_hash(const void *data, size_t len) fletcher64_hash(const void *data, size_t len)