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Diffstat (limited to '0001-Never-try-nested-attack.patch')
| -rw-r--r-- | 0001-Never-try-nested-attack.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/0001-Never-try-nested-attack.patch b/0001-Never-try-nested-attack.patch new file mode 100644 index 000000000000..b65dee667a50 --- /dev/null +++ b/0001-Never-try-nested-attack.patch @@ -0,0 +1,26 @@ +From 4412e1f92353a9211f865438c784f28d6492122d Mon Sep 17 00:00:00 2001 +From: Davide Depau <davide@depau.eu> +Date: Sun, 17 Nov 2019 18:44:31 +0100 +Subject: [PATCH] Never try nested attack + +--- + src/mfoc.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/src/mfoc.c b/src/mfoc.c +index e2545be..6cf8055 100644 +--- a/src/mfoc.c ++++ b/src/mfoc.c +@@ -1059,7 +1059,8 @@ int mf_enhanced_auth(int e_sector, int a_sector, mftag t, mfreader r, denonce *d + NtLast = bytes_to_num(Rx, 4) ^ crypto1_word(pcs, bytes_to_num(Rx, 4) ^ t.authuid, 1); + + // Make sure the card is using the known PRNG +- if (! validate_prng_nonce(NtLast)) { ++ if (true || ! validate_prng_nonce(NtLast)) { ++ printf("Not doing nested attack.\n"); + printf("Card is not vulnerable to nested attack\n"); + return -99999; + } +-- +2.24.0 + |