238 lws_chacha_activate(struct lws_ssh_keys *keys)  in lws_chacha_activate()  argument
240 	if (keys->cipher) {  in lws_chacha_activate()
241 		free(keys->cipher);  in lws_chacha_activate()
242 		keys->cipher = NULL;  in lws_chacha_activate()
245 	keys->cipher = malloc(sizeof(struct lws_cipher_chacha));  in lws_chacha_activate()
246 	if (!keys->cipher)  in lws_chacha_activate()
249 	memset(keys->cipher, 0, sizeof(struct lws_cipher_chacha));  in lws_chacha_activate()
252 	chacha_keysetup(K_2(keys), keys->key[SSH_KEYIDX_ENC], 256);  in lws_chacha_activate()
253 	chacha_keysetup(K_1(keys), &keys->key[SSH_KEYIDX_ENC][32], 256);  in lws_chacha_activate()
255 	keys->valid = 1;  in lws_chacha_activate()
256 	keys->full_length = 1;  in lws_chacha_activate()
257 	keys->padding_alignment = 8; // CHACHA_BLOCKLEN;  in lws_chacha_activate()
258 	keys->MAC_length = POLY1305_TAGLEN;  in lws_chacha_activate()
264 lws_chacha_destroy(struct lws_ssh_keys *keys)  in lws_chacha_destroy()  argument
266 	if (keys->cipher) {  in lws_chacha_destroy()
267 		free(keys->cipher);  in lws_chacha_destroy()
268 		keys->cipher = NULL;  in lws_chacha_destroy()
273 lws_chachapoly_get_length(struct lws_ssh_keys *keys, uint32_t seq,  in lws_chachapoly_get_length()  argument
286 	chacha_ivsetup(K_1(keys), seqbuf, NULL);  in lws_chachapoly_get_length()
287         chacha_encrypt_bytes(K_1(keys), in4, buf, 4);  in lws_chachapoly_get_length()
302 chachapoly_crypt(struct lws_ssh_keys *keys, u_int seqnr, u_char *dest,  in chachapoly_crypt()  argument
316         chacha_ivsetup(K_2(keys), seqbuf, NULL);  in chachapoly_crypt()
317         chacha_encrypt_bytes(K_2(keys),  in chachapoly_crypt()
333                 chacha_ivsetup(K_1(keys), seqbuf, NULL);  in chachapoly_crypt()
334                 chacha_encrypt_bytes(K_1(keys), src, dest, aadlen);  in chachapoly_crypt()
338         chacha_ivsetup(K_2(keys), seqbuf, one);  in chachapoly_crypt()
339         chacha_encrypt_bytes(K_2(keys), src + aadlen, dest + aadlen, len);  in chachapoly_crypt()
355 lws_chacha_decrypt(struct lws_ssh_keys *keys, uint32_t seq,  in lws_chacha_decrypt()  argument
358 	return chachapoly_crypt(keys, seq, pt, ct, len - POLY1305_TAGLEN - 4, 4,  in lws_chacha_decrypt()
363 lws_chacha_encrypt(struct lws_ssh_keys *keys, uint32_t seq,  in lws_chacha_encrypt()  argument
366 	return chachapoly_crypt(keys, seq, pt, ct, len - 4, 4, 0, 1);  in lws_chacha_encrypt()