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#include <ccan/read_write_all/read_write_all.h>
#include <lightningd/crypto_sync.h>
#include <lightningd/cryptomsg.h>
#include <wire/wire_sync.h>
bool sync_crypto_write(struct crypto_state *cs, int fd, const void *msg)
{
u8 *enc = cryptomsg_encrypt_msg(msg, cs, msg);
bool ret;
ret = wire_sync_write(fd, enc);
tal_free(enc);
return ret;
}
u8 *sync_crypto_read(const tal_t *ctx, struct crypto_state *cs, int fd)
{
u8 hdr[18], *enc, *dec;
u16 len;
if (!read_all(fd, hdr, sizeof(hdr)))
return NULL;
if (!cryptomsg_decrypt_header(cs, hdr, &len))
return NULL;
enc = tal_arr(ctx, u8, len);
if (!read_all(fd, enc, len))
return tal_free(enc);
dec = cryptomsg_decrypt_body(ctx, cs, enc);
tal_free(enc);
return dec;
}