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This commit is contained in:
iceman1001
2021-03-27 10:21:54 +01:00
parent d46c90b231
commit f0510cc0d5
1 changed files with 3 additions and 6 deletions
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9
client/src/mifare/desfire_crypto.c
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@@ -899,12 +899,10 @@ void mifare_cypher_single_block(desfirekey_t key, uint8_t *data, uint8_t *ivect,
* function with tag, key and ivect defined.
*/
void mifare_cypher_blocks_chained(desfiretag_t tag, desfirekey_t key, uint8_t *ivect, uint8_t *data, size_t data_size, MifareCryptoDirection direction, MifareCryptoOperation operation) {
size_t block_size;
if (tag) {
if (!key)
if (key == NULL)
key = DESFIRE(tag)->session_key;
if (!ivect)
if (ivect == NULL)
ivect = DESFIRE(tag)->ivect;
switch (DESFIRE(tag)->authentication_scheme) {
@@ -916,8 +914,7 @@ void mifare_cypher_blocks_chained(desfiretag_t tag, desfirekey_t key, uint8_t *i
}
}
block_size = key_block_size(key);
size_t block_size = key_block_size(key);
size_t offset = 0;
while (offset < data_size) {
mifare_cypher_single_block(key, data + offset, ivect, direction, operation, block_size);