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
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