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fix hf mfu pwdgen for 7 byte uid

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The last 3 bytes of the 7 byte uid are zeroed out
Tested with the example from the forum http://www.proxmark.org/forum/viewtopic.php?pid=44238#p44238

Signed-off-by: Anton Todorov <ANTodorov@users.noreply.github.com>
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Anton Todorov 2024-09-30 16:25:00 +03:00 • committed by GitHub
commit 0733754968
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client/src/cmdhfmfu.c
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@ -4392,10 +4392,6 @@ static int CmdHF14AMfUPwdGen(const char *Cmd) {
if (u_len != 7 && u_len != 4) { if (u_len != 7 && u_len != 4) {
PrintAndLogEx(WARNING, "Key must be 7 hex bytes"); PrintAndLogEx(WARNING, "Key must be 7 hex bytes");
return PM3_EINVARG; return PM3_EINVARG;
} else {
// adapt to 7 bytes :)
memset(uid + 4, 0x00, 3);
u_len = 7;
} }
} }