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30 lines
998 B
C
30 lines
998 B
C
#ifndef LIGHTNING_COMMON_HSM_ENCRYPTION_H
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#define LIGHTNING_COMMON_HSM_ENCRYPTION_H
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#include "config.h"
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#include <bitcoin/privkey.h>
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#include <ccan/short_types/short_types.h>
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#include <ccan/tal/tal.h>
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/** Derive the hsm_secret encryption key from a passphrase.
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* @pass: the passphrase string.
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* @encryption_key: the output key derived from the passphrase.
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*
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* On success, NULL is returned. On error, a human-readable error is.
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*/
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char *hsm_secret_encryption_key(const char *pass, struct secret *encryption_key);
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/** Unlock and zeroize the encryption key memory after use.
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* @key: the encryption key. If taken, it will be tal_free'd
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*/
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void discard_key(struct secret *key TAKES);
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/** Read hsm_secret encryption pass from stdin, disabling echoing.
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* @reason: if NULL is returned, will point to the human-readable error.
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*
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* Caller must free the string as it does tal-reallocate getline's output.
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*/
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char *read_stdin_pass(char **reason);
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#endif /* LIGHTNING_COMMON_HSM_ENCRYPTION_H */
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