_mppe
mppe_key_change(mppe *_mppe, mppe_rc4_t *_this)
mppe_rc4_init(mppe *_mppe, mppe_rc4_t *_this, int has_oldkey)
mppe_log(_mppe, LOG_ERR, "malloc() failed at %s: %m",
mppe_rc4_setkey(mppe *_mppe, mppe_rc4_t *_this)
mppe_rc4_setoldkey(mppe *_mppe, mppe_rc4_t *_this, uint16_t coher_cnt)
mppe_rc4_encrypt(mppe *_mppe, mppe_rc4_t *_this, int len, u_char *indata, u_char *outdata)
mppe_rc4_destroy(mppe *_mppe, mppe_rc4_t *_this)