From 5d827234a95fac5ce166957421a012371b6abc09 Mon Sep 17 00:00:00 2001
From: Pol Henarejos <pol.henarejos@cttc.es>
Date: Wed, 25 Feb 2026 23:25:22 +0100
Subject: [PATCH] Increase buffers for emulation.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
---
 src/hsm/sc_hsm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hsm/sc_hsm.c b/src/hsm/sc_hsm.c
index a1768b9..7c3ca5d 100644
--- a/src/hsm/sc_hsm.c
+++ b/src/hsm/sc_hsm.c
@@ -630,7 +630,11 @@ int load_private_key_rsa(mbedtls_rsa_context *ctx, file_t *fkey) {
     }
 
     uint16_t key_size = file_get_size(fkey);
+#ifdef ENABLE_EMULATION
+    uint8_t kdata[8192 / 8];
+#else
     uint8_t kdata[4096 / 8];
+#endif
     memcpy(kdata, file_get_data(fkey), key_size);
     if (mkek_decrypt(kdata, key_size) != 0) {
         return PICOKEY_EXEC_ERROR;