Name
crypto_hash_setkey —
set key for message digest
Synopsis
int crypto_hash_setkey ( | struct crypto_hash * hash, |
| | const u8 * key, |
| | unsigned int keylen); |
Arguments
hash
cipher handle
key
buffer holding the key
keylen
length of the key in bytes
Description
The caller provided key is set for the message digest cipher. The cipher
handle must point to a keyed hash in order for this function to succeed.
Return
0 if the setting of the key was successful; < 0 if an error occurred