195 cipher_init(CipherContext *cc, Cipher *cipher,  in cipher_init()  argument
213 	cc->plaintext = (cipher->number == SSH_CIPHER_NONE);  in cipher_init()
221 	cc->cipher = cipher;  in cipher_init()
225 	EVP_CIPHER_CTX_init(&cc->evp);  in cipher_init()
232 	if (EVP_CipherInit(&cc->evp, type, NULL, (u_char *)iv,  in cipher_init()
236 	klen = EVP_CIPHER_CTX_key_length(&cc->evp);  in cipher_init()
239 		if (EVP_CIPHER_CTX_set_key_length(&cc->evp, keylen) == 0)  in cipher_init()
243 	if (EVP_CipherInit(&cc->evp, NULL, (u_char *)key, NULL, -1) == 0)  in cipher_init()
250 		if (EVP_Cipher(&cc->evp, discard, junk,  in cipher_init()
260 cipher_crypt(CipherContext *cc, u_char *dest, const u_char *src, u_int len)  in cipher_crypt()  argument
262 	if (len % cc->cipher->block_size)  in cipher_crypt()
264 	if (EVP_Cipher(&cc->evp, dest, (u_char *)src, len) == 0)  in cipher_crypt()
269 cipher_cleanup(CipherContext *cc)  in cipher_cleanup()  argument
271 	if (EVP_CIPHER_CTX_cleanup(&cc->evp) == 0)  in cipher_cleanup()
281 cipher_set_key_string(CipherContext *cc, Cipher *cipher,  in cipher_set_key_string()  argument
291 	cipher_init(cc, cipher, digest, 16, NULL, 0, encrypt);  in cipher_set_key_string()
457 cipher_get_keyiv_len(CipherContext *cc)  in cipher_get_keyiv_len()  argument
459 	Cipher *c = cc->cipher;  in cipher_get_keyiv_len()
465 		ivlen = EVP_CIPHER_CTX_iv_length(&cc->evp);  in cipher_get_keyiv_len()
470 cipher_get_keyiv(CipherContext *cc, u_char *iv, u_int len)  in cipher_get_keyiv()  argument
472 	Cipher *c = cc->cipher;  in cipher_get_keyiv()
480 		evplen = EVP_CIPHER_CTX_iv_length(&cc->evp);  in cipher_get_keyiv()
488 			ssh_aes_ctr_iv(&cc->evp, 0, iv, len);  in cipher_get_keyiv()
491 			civ = cc->evp.iv;  in cipher_get_keyiv()
498 		desc = EVP_CIPHER_CTX_get_app_data(&cc->evp);  in cipher_get_keyiv()
514 cipher_set_keyiv(CipherContext *cc, u_char *iv)  in cipher_set_keyiv()  argument
516 	Cipher *c = cc->cipher;  in cipher_set_keyiv()
524 		evplen = EVP_CIPHER_CTX_iv_length(&cc->evp);  in cipher_set_keyiv()
529 			ssh_aes_ctr_iv(&cc->evp, 1, iv, evplen);  in cipher_set_keyiv()
532 			div = cc->evp.iv;  in cipher_set_keyiv()
537 		desc = EVP_CIPHER_CTX_get_app_data(&cc->evp);  in cipher_set_keyiv()
561 cipher_get_keycontext(CipherContext *cc, u_char *dat)  in cipher_get_keycontext()  argument
564 	Cipher *c = cc->cipher;  in cipher_get_keycontext()
567 		plen = EVP_X_STATE_LEN(cc->evp);  in cipher_get_keycontext()
570 		memcpy(dat, EVP_X_STATE(cc->evp), plen);  in cipher_get_keycontext()
576 cipher_set_keycontext(CipherContext *cc, u_char *dat)  in cipher_set_keycontext()  argument
578 	Cipher *c = cc->cipher;  in cipher_set_keycontext()
582 		plen = EVP_X_STATE_LEN(cc->evp);  in cipher_set_keycontext()
583 		memcpy(EVP_X_STATE(cc->evp), dat, plen);  in cipher_set_keycontext()