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Diffstat (limited to 'include/libssh/chacha20-poly1305-common.h')
-rw-r--r-- | include/libssh/chacha20-poly1305-common.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/libssh/chacha20-poly1305-common.h b/include/libssh/chacha20-poly1305-common.h new file mode 100644 index 00000000..b2f0231b --- /dev/null +++ b/include/libssh/chacha20-poly1305-common.h @@ -0,0 +1,54 @@ +/* + * This file is part of the SSH Library + * + * Copyright (c) 2020 Red Hat, Inc. + * + * Author: Jakub Jelen <jjelen@redhat.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * chacha20-poly1305.h file + * This file includes definitions needed for Chacha20-poly1305 AEAD cipher + * using different crypto backends. + */ + +#ifndef CHACHA20_POLY1305_H +#define CHACHA20_POLY1305_H + +#define CHACHA20_BLOCKSIZE 64 +#define CHACHA20_KEYLEN 32 + +#define POLY1305_TAGLEN 16 +/* size of the keys k1 and k2 as defined in specs */ +#define POLY1305_KEYLEN 32 + +#ifdef _MSC_VER +#pragma pack(push, 1) +#endif +struct ssh_packet_header { + uint32_t length; + uint8_t payload[]; +} +#if defined(__GNUC__) +__attribute__ ((packed)) +#endif +#ifdef _MSC_VER +#pragma pack(pop) +#endif +; + +#endif /* CHACHA20_POLY1305_H */ |