CFS_HASH_ALG_SHA384,
CFS_HASH_ALG_SHA512,
CFS_HASH_ALG_CRC32C,
- CFS_HASH_ALG_MAX
+ CFS_HASH_ALG_MAX,
+ CFS_HASH_ALG_UNKNOWN = 0xff
};
static struct cfs_crypto_hash_type hash_types[] = {
[CFS_HASH_ALG_SHA256] = { "sha256", 0, 32 },
[CFS_HASH_ALG_SHA384] = { "sha384", 0, 48 },
[CFS_HASH_ALG_SHA512] = { "sha512", 0, 64 },
+ [CFS_HASH_ALG_MAX] = { NULL, 0, 64 },
};
+/* Maximum size of hash_types[].cht_size */
+#define CFS_CRYPTO_HASH_DIGESTSIZE_MAX 64
+
/**
* Return hash algorithm information for the specified algorithm identifier
*
for (i = 0; i < CFS_HASH_ALG_MAX; i++)
if (!strcmp(hash_types[i].cht_name, algname))
break;
- return (i == CFS_HASH_ALG_MAX ? 0xFF : i);
+ return (i == CFS_HASH_ALG_MAX ? CFS_HASH_ALG_UNKNOWN : i);
}
int cfs_crypto_hash_digest(unsigned char hash_alg,
unsigned long start, end;
int bcount, err = 0;
int sec = 1; /* do test only 1 sec */
- unsigned char hash[64];
- unsigned int hash_len = 64;
+ unsigned char hash[CFS_CRYPTO_HASH_DIGESTSIZE_MAX];
+ unsigned int hash_len = sizeof(hash);
for (start = jiffies, end = start + sec * HZ, bcount = 0;
time_before(jiffies, end); bcount++) {