@interface MBDigestSHA256 : MBDigest { struct CC_SHA256state_st { unsigned int count[2]; unsigned int hash[8]; unsigned int wbuf[16]; } _context; } - (id)init; - (void)updateWithBytes:(const void *)a0 length:(unsigned long long)a1; - (id)final; - (void)finalWithBytes:(void *)a0 length:(unsigned long long)a1; @end