CRYPTO_SHASH_SETKEY(9)                Programming Interface                CRYPTO_SHASH_SETKEY(9)



NAME
       crypto_shash_setkey - set key for message digest

SYNOPSIS
       int crypto_shash_setkey(struct crypto_shash * tfm, const u8 * key, unsigned int keylen);

ARGUMENTS
       tfm
           cipher handle

       key
           buffer holding the key

       keylen
           length of the key in bytes

DESCRIPTION
       The caller provided key is set for the keyed message digest cipher. The cipher handle must
       point to a keyed message digest cipher in order for this function to succeed.

RETURN
       0 if the setting of the key was successful; < 0 if an error occurred

AUTHORS
       Stephan Mueller <smueller AT chronox.de>
           Author.

       Marek Vasut <marek AT denx.de>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                    CRYPTO_SHASH_SETKEY(9)