200 cipher_init(CipherContext *cc, Cipher *cipher,  in cipher_init()  argument
219 	memcpy(pushbufptr, &cc, sizeof(void *));  in cipher_init()
244 	cc->plaintext = (cipher->number == SSH_CIPHER_NONE);  in cipher_init()
252 	cc->cipher = cipher;  in cipher_init()
256 	EVP_CIPHER_CTX_init(&cc->evp);  in cipher_init()
257 	if (EVP_CipherInit(&cc->evp, type, NULL, (u_char *)iv,  in cipher_init()
261 	klen = EVP_CIPHER_CTX_key_length(&cc->evp);  in cipher_init()
264 		if (EVP_CIPHER_CTX_set_key_length(&cc->evp, keylen) == 0)  in cipher_init()
268 	if (EVP_CipherInit(&cc->evp, NULL, (u_char *)key, NULL, -1) == 0)  in cipher_init()
275 		if (EVP_Cipher(&cc->evp, discard, junk,  in cipher_init()
285 cipher_crypt(CipherContext *cc, u_char *dest, const u_char *src, u_int len)  in cipher_crypt()  argument
287 	if (len % cc->cipher->block_size)  in cipher_crypt()
289 	if (EVP_Cipher(&cc->evp, dest, (u_char *)src, len) == 0)  in cipher_crypt()
294 cipher_cleanup(CipherContext *cc)  in cipher_cleanup()  argument
296 	if (EVP_CIPHER_CTX_cleanup(&cc->evp) == 0)  in cipher_cleanup()
306 cipher_set_key_string(CipherContext *cc, Cipher *cipher,  in cipher_set_key_string()  argument
316 	cipher_init(cc, cipher, digest, 16, NULL, 0, do_encrypt);  in cipher_set_key_string()
329 cipher_get_keyiv_len(const CipherContext *cc)  in cipher_get_keyiv_len()  argument
331 	Cipher *c = cc->cipher;  in cipher_get_keyiv_len()
337 		ivlen = EVP_CIPHER_CTX_iv_length(&cc->evp);  in cipher_get_keyiv_len()
342 cipher_get_keyiv(CipherContext *cc, u_char *iv, u_int len)  in cipher_get_keyiv()  argument
344 	Cipher *c = cc->cipher;  in cipher_get_keyiv()
351 		evplen = EVP_CIPHER_CTX_iv_length(&cc->evp);  in cipher_get_keyiv()
358 			ssh_aes_ctr_iv(&cc->evp, 0, iv, len);  in cipher_get_keyiv()
360 			memcpy(iv, cc->evp.iv, len);  in cipher_get_keyiv()
363 		ssh1_3des_iv(&cc->evp, 0, iv, 24);  in cipher_get_keyiv()
371 cipher_set_keyiv(CipherContext *cc, u_char *iv)  in cipher_set_keyiv()  argument
373 	Cipher *c = cc->cipher;  in cipher_set_keyiv()
380 		evplen = EVP_CIPHER_CTX_iv_length(&cc->evp);  in cipher_set_keyiv()
384 			ssh_aes_ctr_iv(&cc->evp, 1, iv, evplen);  in cipher_set_keyiv()
386 			memcpy(cc->evp.iv, iv, evplen);  in cipher_set_keyiv()
389 		ssh1_3des_iv(&cc->evp, 1, iv, 24);  in cipher_set_keyiv()
400 cipher_get_keycontext(const CipherContext *cc, u_char *dat)  in cipher_get_keycontext()  argument
402 	Cipher *c = cc->cipher;  in cipher_get_keycontext()
406 		plen = EVP_X_STATE_LEN(cc->evp);  in cipher_get_keycontext()
409 		memcpy(dat, EVP_X_STATE(cc->evp), plen);  in cipher_get_keycontext()
415 cipher_set_keycontext(CipherContext *cc, u_char *dat)  in cipher_set_keycontext()  argument
417 	Cipher *c = cc->cipher;  in cipher_set_keycontext()
421 		plen = EVP_X_STATE_LEN(cc->evp);  in cipher_set_keycontext()
422 		memcpy(EVP_X_STATE(cc->evp), dat, plen);  in cipher_set_keycontext()