Name

crypto_hash_init — (re)initialize message digest handle

Synopsis

int crypto_hash_init (struct hash_desc * desc);
 

Arguments

desc

cipher request handle that to be filled by caller -- desc.tfm is filled with the hash cipher handle; desc.flags is filled with either CRYPTO_TFM_REQ_MAY_SLEEP or 0.

Description

The call (re-)initializes the message digest referenced by the hash cipher request handle. Any potentially existing state created by previous operations is discarded.

Return

0 if the message digest initialization was successful; < 0 if an error occurred