83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
#define SUPERVERBOSE
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static void *tmpctx;
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#include <assert.h>
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#include <ccan/str/hex/hex.h>
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#include <common/type_to_string.h>
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#include <common/utils.h>
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#include <stdio.h>
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#include "../../common/key_derive.c"
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static struct secret secret_from_hex(const char *hex)
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{
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struct secret s;
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hex += 2;
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if (!hex_decode(hex, strlen(hex), &s, sizeof(s)))
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abort();
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return s;
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}
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int main(void)
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{
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struct privkey privkey;
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struct secret base_secret, per_commitment_secret;
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struct pubkey base_point, per_commitment_point, pubkey, pubkey2;
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tmpctx = tal_tmpctx(NULL);
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secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
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| SECP256K1_CONTEXT_SIGN);
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base_secret = secret_from_hex("0x000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
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per_commitment_secret = secret_from_hex("0x1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100");
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printf("base_secret: 0x%s\n",
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tal_hexstr(tmpctx, &base_secret, sizeof(base_secret)));
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printf("per_commitment_secret: 0x%s\n",
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tal_hexstr(tmpctx, &per_commitment_secret,
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sizeof(per_commitment_secret)));
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if (!secp256k1_ec_pubkey_create(secp256k1_ctx,
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&per_commitment_point.pubkey,
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per_commitment_secret.data))
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abort();
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if (!secp256k1_ec_pubkey_create(secp256k1_ctx,
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&base_point.pubkey,
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base_secret.data))
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abort();
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printf("base_point: 0x%s\n",
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type_to_string(tmpctx, struct pubkey, &base_point));
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printf("per_commitment_point: 0x%s\n",
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type_to_string(tmpctx, struct pubkey, &per_commitment_point));
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/* FIXME: Annotate internal steps. */
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if (!derive_simple_key(&base_point, &per_commitment_point, &pubkey))
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abort();
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printf("localkey: 0x%s\n",
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type_to_string(tmpctx, struct pubkey, &pubkey));
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if (!derive_simple_privkey(&base_secret, &base_point,
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&per_commitment_point, &privkey))
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abort();
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printf("localprivkey: 0x%s\n",
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tal_hexstr(tmpctx, &privkey, sizeof(privkey)));
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pubkey_from_privkey(&privkey, &pubkey2);
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assert(pubkey_eq(&pubkey, &pubkey2));
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/* FIXME: Annotate internal steps. */
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if (!derive_revocation_key(&base_point, &per_commitment_point, &pubkey))
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abort();
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printf("revocationkey: 0x%s\n",
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type_to_string(tmpctx, struct pubkey, &pubkey));
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if (!derive_revocation_privkey(&base_secret, &per_commitment_secret,
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&base_point, &per_commitment_point,
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&privkey))
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abort();
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printf("revocationprivkey: 0x%s\n",
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tal_hexstr(tmpctx, &privkey, sizeof(privkey)));
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pubkey_from_privkey(&privkey, &pubkey2);
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assert(pubkey_eq(&pubkey, &pubkey2));
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/* No memory leaks please */
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secp256k1_context_destroy(secp256k1_ctx);
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tal_free(tmpctx);
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return 0;
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}
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