Change in simtrace2[master]: cardem: use simplest ATR as default ATR

[laforge]

laforge has submitted this change. ( https://gerrit.osmocom.org/c/simtrace2/+/16421 )

Change subject: cardem: use simplest ATR as default ATR
......................................................................

cardem: use simplest ATR as default ATR

This is the shortest and simplest ATR possible according to the
ISO 7816-3 spec.

It does not offer any non-default parameters (F, D, WI, ...)

Change-Id: I4ff41b5120bcadca652296f9d3691f7606be2bd2
---
M firmware/libcommon/source/card_emu.c
1 file changed, 2 insertions(+), 2 deletions(-)

Approvals:
  Jenkins Builder: Verified
  laforge: Looks good to me, approved



diff --git a/firmware/libcommon/source/card_emu.c b/firmware/libcommon/source/card_emu.c
index 497b963..923226a 100644
--- a/firmware/libcommon/source/card_emu.c
+++ b/firmware/libcommon/source/card_emu.c
@@ -1151,8 +1151,8 @@
 	}
 }
 
-/* shortest ATR found in smartcard_list.txt */
-static const uint8_t default_atr[] = { 0x3B, 0x02, 0x14, 0x50 };
+/* shortest ATR possible (uses default speed and no options) */
+static const uint8_t default_atr[] = { 0x3B, 0x00 };
 
 static struct card_handle card_handles[NUM_SLOTS];
 

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Gerrit-Project: simtrace2
Gerrit-Branch: master
Gerrit-Change-Id: I4ff41b5120bcadca652296f9d3691f7606be2bd2
Gerrit-Change-Number: 16421
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: tsaitgaist <kredon at sysmocom.de>
Gerrit-MessageType: merged
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