diff options
| author | Dimitri Staessens <dimitri@ouroboros.rocks> | 2026-04-26 07:38:43 +0200 |
|---|---|---|
| committer | Sander Vrijders <sander@ouroboros.rocks> | 2026-05-06 09:04:48 +0200 |
| commit | 964c26eb326dc26c032a3ccba10cb6d376bb3cf4 (patch) | |
| tree | 1bf4a80f81f5d69afc17a4950248771d60aeb030 /src/lib/hash.c | |
| parent | 20d4a472800cbc9338f0c6c9c3dfce8eb13663c7 (diff) | |
| download | ouroboros-964c26eb326dc26c032a3ccba10cb6d376bb3cf4.tar.gz ouroboros-964c26eb326dc26c032a3ccba10cb6d376bb3cf4.zip | |
lib: Add CRC-8 and CRC-16 checksums
These checksum will be handy for header checksums.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Diffstat (limited to 'src/lib/hash.c')
| -rw-r--r-- | src/lib/hash.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/lib/hash.c b/src/lib/hash.c index f32001d9..7ffa5bc1 100644 --- a/src/lib/hash.c +++ b/src/lib/hash.c @@ -39,6 +39,8 @@ #include <ouroboros/md5.h> #include <ouroboros/sha3.h> #endif +#include <ouroboros/crc8.h> +#include <ouroboros/crc16.h> #include <ouroboros/crc64.h> #include <string.h> #include <assert.h> @@ -70,6 +72,10 @@ int hash_len_tbl [] = { uint16_t hash_len(enum hash_algo algo) { + if (algo == HASH_CRC8) + return CRC8_HASH_LEN; + if (algo == HASH_CRC16) + return CRC16_HASH_LEN; if (algo == HASH_CRC64) return CRC64_HASH_LEN; #ifdef HAVE_LIBGCRYPT @@ -84,6 +90,20 @@ void mem_hash(enum hash_algo algo, const uint8_t * buf, size_t len) { + if (algo == HASH_CRC8) { + uint8_t crc = 0; + + crc8_autosar(&crc, buf, len); + *(uint8_t *) dst = crc; + return; + } + if (algo == HASH_CRC16) { + uint16_t crc = 0; + + crc16_ccitt_false(&crc, buf, len); + *(uint16_t *) dst = htobe16(crc); + return; + } if (algo == HASH_CRC64) { uint64_t crc = 0; |