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test_onion: dump more output

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This commit is contained in:
Anthony Towns
2015-10-04 15:02:30 +10:00
parent e165d0009c
commit b2c86c650a
1 changed files with 22 additions and 0 deletions
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22
test/test_onion.c
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@@ -401,6 +401,21 @@ static void make_hmac(const struct hop *hops, size_t num_hops,
#endif #endif
} }
void _dump_hex(unsigned char *x, size_t s) {
printf(" ");
while (s > 0) {
printf("%02x", *x);
x++; s--;
}
}
#define dump_hex(x) _dump_hex((void*)&x, sizeof(x))
void dump_pkey(secp256k1_context *ctx, secp256k1_pubkey pkey) {
unsigned char tmp[65];
size_t len;
secp256k1_ec_pubkey_serialize(ctx, tmp, &len, &pkey, 0);
dump_hex(tmp);
}
static bool check_hmac(struct onion *onion, const struct hmackey *hmackey) static bool check_hmac(struct onion *onion, const struct hmackey *hmackey)
{ {
struct sha256 hmac; struct sha256 hmac;
@@ -438,6 +453,7 @@ bool create_onion(const secp256k1_pubkey pubkey[],
gen_keys(ctx, &seckeys[i], &pubkeys[i]); gen_keys(ctx, &seckeys[i], &pubkeys[i]);
/* Make shared secret. */ /* Make shared secret. */
if (!secp256k1_ecdh(ctx, secret, &pubkey[i], seckeys[i].u.u8)) if (!secp256k1_ecdh(ctx, secret, &pubkey[i], seckeys[i].u.u8))
goto fail; goto fail;
@@ -639,10 +655,15 @@ int main(int argc, char *argv[])
for (i = 0; i < hops; i++) { for (i = 0; i < hops; i++) {
asprintf(&msgs[i], "Message to %zu", i); asprintf(&msgs[i], "Message to %zu", i);
random_key(ctx, &seckeys[i], &pubkeys[i]); random_key(ctx, &seckeys[i], &pubkeys[i]);
printf(" * Keypair %zu:", i);
dump_hex(seckeys[i]);
dump_pkey(ctx, pubkeys[i]);
printf("\n");
} }
if (!create_onion(pubkeys, msgs, hops, &onion)) if (!create_onion(pubkeys, msgs, hops, &onion))
errx(1, "Creating onion packet failed"); errx(1, "Creating onion packet failed");
printf(" * Message:"); dump_hex(onion); printf("\n");
/* Now parse and peel. */ /* Now parse and peel. */
for (i = 0; i < hops; i++) { for (i = 0; i < hops; i++) {
@@ -650,6 +671,7 @@ int main(int argc, char *argv[])
struct iv pad_iv; struct iv pad_iv;
printf("Decrypting with key %zi\n", i); printf("Decrypting with key %zi\n", i);
if (!decrypt_onion(&seckeys[i], &onion, &enckey, &pad_iv, i)) if (!decrypt_onion(&seckeys[i], &onion, &enckey, &pad_iv, i))
errx(1, "Decrypting onion for hop %zi", i); errx(1, "Decrypting onion for hop %zi", i);
if (strcmp((char *)myhop(&onion)->msg, msgs[i]) != 0) if (strcmp((char *)myhop(&onion)->msg, msgs[i]) != 0)