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3db3dc946f
At the moment only lightingd needs it, and this avoids missing any places where we do bip32 derivation. This uses a hsm capability to mean we're backwards compatible with older hsmds. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Changelog-Added: Protocol: we now always double-check bitcoin addresses are correct (no memory errors!) before issuing them.
32 lines
1.0 KiB
C
32 lines
1.0 KiB
C
#ifndef LIGHTNING_COMMON_KEY_DERIVE_H
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#define LIGHTNING_COMMON_KEY_DERIVE_H
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#include "config.h"
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#include <ccan/short_types/short_types.h>
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#include <stdbool.h>
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struct pubkey;
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struct privkey;
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struct secret;
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/* For `localkey`, `remotekey`, `local-delayedkey` and `remote-delayedkey` */
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bool derive_simple_key(const struct pubkey *basepoint,
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const struct pubkey *per_commitment_point,
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struct pubkey *key);
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bool derive_simple_privkey(const struct secret *base_secret,
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const struct pubkey *basepoint,
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const struct pubkey *per_commitment_point,
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struct privkey *key);
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/* For `revocationkey` */
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bool derive_revocation_key(const struct pubkey *basepoint,
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const struct pubkey *per_commitment_point,
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struct pubkey *key);
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bool derive_revocation_privkey(const struct secret *base_secret,
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const struct secret *per_commitment_secret,
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const struct pubkey *basepoint,
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const struct pubkey *per_commitment_point,
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struct privkey *key);
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#endif /* LIGHTNING_COMMON_KEY_DERIVE_H */
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