From 685663dcf600e2ecc7ad2b52cc5f302a1f06c7ac Mon Sep 17 00:00:00 2001
From: CTCaer <ctcaer@gmail.com>
Date: Fri, 11 Dec 2020 17:39:30 +0200
Subject: [PATCH] nyx: Add bis key print in console

---
 nyx/nyx_gui/hos/hos.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/nyx/nyx_gui/hos/hos.c b/nyx/nyx_gui/hos/hos.c
index ad79e45..becacdf 100644
--- a/nyx/nyx_gui/hos/hos.c
+++ b/nyx/nyx_gui/hos/hos.c
@@ -594,6 +594,19 @@ static void _hos_validate_sept_mkey(u32 kb)
 	hos_eks_clear(kb);
 }
 
+static void _hos_bis_print_key(u32 idx, u8 *key)
+{
+	gfx_printf("BIS %d Crypt: ", idx);
+	for (int i = 0; i < 0x10; i++)
+		gfx_printf("%02X", key[((idx * 2 + 0) * 0x10) + i]);
+	gfx_puts("\n");
+
+	gfx_printf("BIS %d Tweak: ", idx);
+	for (int i = 0; i < 0x10; i++)
+		gfx_printf("%02X", key[((idx * 2 + 1) * 0x10) + i]);
+	gfx_puts("\n");
+}
+
 int hos_bis_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
 {
 	u32 keygen_rev = 0;
@@ -610,6 +623,8 @@ int hos_bis_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
 		// We check unconditionally in order to support downgrades.
 		keygen_rev = fuse_read_odm_keygen_rev();
 
+		gfx_printf("Keygen rev: %d\n", keygen_rev);
+
 		if (keygen_rev)
 		{
 			u8 tmp_mkey[0x10];
@@ -686,6 +701,10 @@ int hos_bis_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
 		memcpy(bis_keys + (5 * 0x10), h_cfg.eks->bis_keys[2].tweak, 0x10);
 	}
 
+	_hos_bis_print_key(0, bis_keys);
+	_hos_bis_print_key(1, bis_keys);
+	_hos_bis_print_key(2, bis_keys);
+
 	// Clear all AES keyslots.
 	for (u32 i = 0; i < 6; i++)
 		se_aes_key_clear(i);