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Search found 3 matches
- Fri Jun 15, 2018 5:27 am
- Forum: Questions & Answers
- Topic: T=0 protocol, How to use the correct ins value in the apdu command？
- Replies: 1
- Views: 7435
T=0 protocol, How to use the correct ins value in the apdu command？
T=0 protocol, How to use the correct ins value in the apdu command？
- Fri Jun 15, 2018 5:12 am
- Forum: Questions & Answers
- Topic: how to judge that the class byte of APDU command is valid?
- Replies: 4
- Views: 11077
Re: how to judge that the class byte of APDU command is valid?
Filter by the following function:
int8_t apdu_is_valid_cla(void)
{
return (int8_t)((((g_apdu_info.cla) & 0xE0) != 0x20) && ((g_apdu_info.cla) != 0xFF));
}
int8_t apdu_is_valid_cla(void)
{
return (int8_t)((((g_apdu_info.cla) & 0xE0) != 0x20) && ((g_apdu_info.cla) != 0xFF));
}
- Fri Jun 15, 2018 5:11 am
- Forum: Questions & Answers
- Topic: how to judge that the class byte of APDU command is valid?
- Replies: 4
- Views: 11077
Re: how to judge that the class byte of APDU command is valid?
Filter by the following function:
int8_t apdu_is_valid_cla(void)
{
return (int8_t)((((g_apdu_info.cla) & 0xE0) != 0x20) && ((g_apdu_info.cla) != 0xFF));
}
int8_t apdu_is_valid_cla(void)
{
return (int8_t)((((g_apdu_info.cla) & 0xE0) != 0x20) && ((g_apdu_info.cla) != 0xFF));
}