crypto_shash_digest — calculate message digest for buffer
| int crypto_shash_digest ( | struct shash_desc * desc, | 
| const u8 * data, | |
| unsigned int len, | |
| u8 * out ); | 
desc
     see crypto_shash_final
    
data
     see crypto_shash_update
    
len
     see crypto_shash_update
    
out
     see crypto_shash_final