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Diffstat (limited to 'src/protocols/ec25519_fhmqvc/handshake.h')
| -rw-r--r-- | src/protocols/ec25519_fhmqvc/handshake.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/protocols/ec25519_fhmqvc/handshake.h b/src/protocols/ec25519_fhmqvc/handshake.h new file mode 100644 index 0000000..835b041 --- /dev/null +++ b/src/protocols/ec25519_fhmqvc/handshake.h @@ -0,0 +1,59 @@ +/* + Copyright (c) 2012-2013, Matthias Schiffer <mschiffer@universe-factory.net> + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#ifndef _FASTD_PROTOCOL_EC25519_FHMQVC_HANDSHAKE_H_ +#define _FASTD_PROTOCOL_EC25519_FHMQVC_HANDSHAKE_H_ + +#include "ec25519_fhmqvc.h" + + +typedef struct handshake_key { + uint64_t serial; + struct timespec preferred_till; + struct timespec valid_till; + + /* keypair used as initiator */ + keypair_t key1; + + /* keypair used as responder */ + keypair_t key2; +} handshake_key_t; + +struct fastd_protocol_state { + handshake_key_t prev_handshake_key; + handshake_key_t handshake_key; +}; + + +static inline bool is_handshake_key_valid(fastd_context_t *ctx, const handshake_key_t *handshake_key) { + return timespec_after(&handshake_key->valid_till, &ctx->now); +} + +static inline bool is_handshake_key_preferred(fastd_context_t *ctx, const handshake_key_t *handshake_key) { + return timespec_after(&handshake_key->preferred_till, &ctx->now); +} + +#endif /* _FASTD_PROTOCOL_EC25519_FHMQVC_HANDSHAKE_H_ */ |