函数逻辑报告

函数名称：rypto_cipher_setkey() - set key for cipher*@tfm: cipher handle*@key: buffer holding the key*@keylen: length of the key in bytes* The caller provided key is set for the single block cipher referenced by the* cipher handle.

函数原型：static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, const u8 *key, unsigned int keylen)

返回类型：int

参数：