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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@chronox.de>
Author.
Marek Vasut <marek@denx.de>
Author.
COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |