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Diffstat (limited to 'gcm.h')
| -rw-r--r-- | gcm.h | 47 |
1 files changed, 47 insertions, 0 deletions
@@ -0,0 +1,47 @@ +/* + * Dropbear SSH + * + * Copyright (c) 2002,2003 Matt Johnston + * Copyright (c) 2020 by Vladislav Grishenko + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. */ + +#ifndef DROPBEAR_DROPBEAR_GCM_H_ +#define DROPBEAR_DROPBEAR_GCM_H_ + +#include "includes.h" +#include "algo.h" + +#if DROPBEAR_ENABLE_GCM_MODE + +#define GCM_IVFIX_LEN 4 +#define GCM_IVCTR_LEN 8 +#define GCM_NONCE_LEN (GCM_IVFIX_LEN + GCM_IVCTR_LEN) + +typedef struct { + gcm_state gcm; + unsigned char iv[GCM_NONCE_LEN]; +} dropbear_gcm_state; + +extern const struct dropbear_cipher_mode dropbear_mode_gcm; + +#endif /* DROPBEAR_ENABLE_GCM_MODE */ + +#endif /* DROPBEAR_DROPBEAR_GCM_H_ */ |