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CHG: refactor CRC16 algos. This is a big change, most likely some parts broke, hard to test it all.

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This commit is contained in:
iceman1001
2018-02-01 15:19:47 +01:00
parent d2e9f4a743
commit 52d69ed4ee
35 changed files with 512 additions and 674 deletions
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7
armsrc/desfire_crypto.c
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@@ -258,7 +258,7 @@ void* mifare_cryto_preprocess_data (desfiretag_t tag, void *data, size_t *nbytes
// ... CRC ...
switch (DESFIRE (tag)->authentication_scheme) {
case AS_LEGACY:
AppendCrc14443a(res + offset, *nbytes - offset);
AddCrc14A(res + offset, *nbytes - offset);
*nbytes += 2;
break;
case AS_NEW:
@@ -445,9 +445,8 @@ void* mifare_cryto_postprocess_data (desfiretag_t tag, void *data, size_t *nbyte
uint32_t crc;
switch (DESFIRE (tag)->authentication_scheme) {
case AS_LEGACY:
end_crc_pos = crc_pos + 2;
AppendCrc14443a (res, end_crc_pos);
AddCrc14A(res, end_crc_pos);
end_crc_pos = crc_pos + 2;
//