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a7f682c66e
After the handshake, it's a simple matter of AEAD and key rotation. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
33 lines
902 B
C
33 lines
902 B
C
#ifndef LIGHTNING_LIGHTNINGD_CRYPTOMSG_H
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#define LIGHTNING_LIGHTNINGD_CRYPTOMSG_H
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#include "config.h"
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#include <ccan/short_types/short_types.h>
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struct io_conn;
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struct peer;
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struct sha256;
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/* Initializes peer->crypto_state */
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struct crypto_state *crypto_state(struct peer *peer,
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const struct sha256 *sk,
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const struct sha256 *rk,
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const struct sha256 *rck,
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const struct sha256 *sck,
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u64 rn, u64 sn);
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/* Get decrypted message */
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struct io_plan *peer_read_message(struct io_conn *conn,
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struct crypto_state *cs,
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struct io_plan *(*next)(struct io_conn *,
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struct peer *,
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u8 *msg));
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/* Sends and frees message */
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struct io_plan *peer_write_message(struct io_conn *conn,
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struct crypto_state *cs,
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const u8 *msg,
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struct io_plan *(*next)(struct io_conn *,
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struct peer *));
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#endif /* LIGHTNING_LIGHTNINGD_CRYPTOMSG_H */
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