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authorGravatar Martin Szulecki2012-09-20 22:10:04 +0200
committerGravatar Martin Szulecki2012-11-07 22:24:00 +0100
commit7015910f621eabce5a4b2d2105b74ac301aefd7b (patch)
treec785e4419277efbfe168cd8ca9f50df1d36814c5 /src
parenteaa265ea5eb45ab2a8b8aad6e756e083b1aef23c (diff)
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idevicerestore: Attempt to get nonce from device early on
Diffstat (limited to 'src')
-rw-r--r--src/idevicerestore.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/src/idevicerestore.c b/src/idevicerestore.c
index 42a1faf..76a9521 100644
--- a/src/idevicerestore.c
+++ b/src/idevicerestore.c
@@ -536,7 +536,35 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
}
info("Found ECID " FMT_qu "\n", (long long unsigned int)client->ecid);
- if (get_shsh_blobs(client, client->ecid, NULL, 0, build_identity, &client->tss) < 0) {
+ if (client->build_major > 8) {
+ unsigned char* nonce = NULL;
+ int nonce_size = 0;
+ int nonce_changed = 0;
+ if (get_nonce(client, &nonce, &nonce_size) < 0) {
+ error("ERROR: Unable to get nonce from device!\n");
+ return -2;
+ }
+
+ if (!client->nonce || (nonce_size != client->nonce_size) || (memcmp(nonce, client->nonce, nonce_size) != 0)) {
+ nonce_changed = 1;
+ if (client->nonce) {
+ free(client->nonce);
+ }
+ client->nonce = nonce;
+ client->nonce_size = nonce_size;
+ } else {
+ free(nonce);
+ }
+
+ info("Nonce: ");
+ int i;
+ for (i = 0; i < client->nonce_size; i++) {
+ info("%02x ", client->nonce[i]);
+ }
+ info("\n");
+ }
+
+ if (get_shsh_blobs(client, client->ecid, client->nonce, client->nonce_size, build_identity, &client->tss) < 0) {
error("ERROR: Unable to get SHSH blobs for this device\n");
return -1;
}