}
#endif
+static int hash_init_crc16_ccitt(struct hash_algo *algo, void **ctxp)
+{
+ uint16_t *ctx = malloc(sizeof(uint16_t));
+ *ctx = 0;
+ *ctxp = ctx;
+ return 0;
+}
+
+static int hash_update_crc16_ccitt(struct hash_algo *algo, void *ctx,
+ const void *buf, unsigned int size,
+ int is_last)
+{
+ *((uint16_t *)ctx) = crc16_ccitt(*((uint16_t *)ctx), buf, size);
+ return 0;
+}
+
+static int hash_finish_crc16_ccitt(struct hash_algo *algo, void *ctx,
+ void *dest_buf, int size)
+{
+ if (size < algo->digest_size)
+ return -1;
+
+ *((uint16_t *)dest_buf) = *((uint16_t *)ctx);
+ free(ctx);
+ return 0;
+}
+
static int hash_init_crc32(struct hash_algo *algo, void **ctxp)
{
uint32_t *ctx = malloc(sizeof(uint32_t));
#endif
},
#endif
+ {
+ .name = "crc16-ccitt",
+ .digest_size = 2,
+ .chunk_size = CHUNKSZ,
+ .hash_func_ws = crc16_ccitt_wd_buf,
+ .hash_init = hash_init_crc16_ccitt,
+ .hash_update = hash_update_crc16_ccitt,
+ .hash_finish = hash_finish_crc16_ccitt,
+ },
{
.name = "crc32",
.digest_size = 4,