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MIFARE_DESFIRE_KEY(3) FreeBSD Library Functions Manual MIFARE_DESFIRE_KEY(3)

mifare_desfire_des_key_new, mifare_desfire_3des_key_new, mifare_desfire_3k3des_key_new, mifare_desfire_aes_key_new, mifare_desfire_des_key_new_with_version, mifare_desfire_3des_key_new_with_version, mifare_desfire_3k3des_key_new_with_version, mifare_desfire_aes_key_new _with_version, mifare_desfire_key_get_version, mifare_desfire_key_set_version, mifare_desfire_key_free
Mifare DESFire keys Manipulation Functions

Mifare card manipulation library (libfreefare, -lfreefare)

#include <freefare.h>

MifareDESFireKey
mifare_desfire_des_key_new(uint8_t value[8]);

MifareDESFireKey
mifare_desfire_3des_key_new(uint8_t value[16]);

MifareDESFireKey
mifare_desfire_3k3des_key_new(uint8_t value[24]);

MifareDESFireKey
mifare_desfire_aes_key_new(uint8_t value[16]);

MifareDESFireKey
mifare_desfire_des_key_new_with_version(uint8_t value[8]);

MifareDESFireKey
mifare_desfire_3des_key_new_with_version(uint8_t value[16]);

MifareDESFireKey
mifare_desfire_3k3des_key_new_with_version(uint8_t value[24]);

MifareDESFireKey
mifare_desfire_aes_key_new_with_version(uint8_t value[16], uint8_t version);

uint8_t
mifare_desfire_key_get_version(MifareDESFireKey key);

void
mifare_desfire_key_set_version(MifareDESFireKey key, uint8_t version);

void
mifare_desfire_key_free(MifareDESFireKey key);

The mifare_desfire_key_*() family of functions allows management of Mifare DESFire keys.

The mifare_desfire_des_key_new(), mifare_desfire_3des_key_new(), mifare_desfire_3k3des_key_new() and mifare_desfire_ades_key_new() alocate a new key with the provided data value. The key version is set to 0.

The mifare_desfire_des_key_new_with_version(), mifare_desfire_3des_key_new_with_version(), mifare_desfire_3k3des_key_new_with_version() and mifare_desfire_aes_key_new_with_version() functions are equivalent to the previous functions except that the key version is read from value (DES, 3DES, 3K3DES) or set to version (AES).

The version of a MifareDESFireKey can be extracted using mifare_desfire_key_get_version() and changed using mifare_desfire_key_set_version.()

The mifare_desfire_key_free() has to be called for each MifareDESFireKey after usage to reclaim memory.

Key allocations functions return the allocaed key of NULL on failure.

mifare_desfire(3)

Romain Tartiere ⟨romain@il4p.org⟩
July 20, 2010 FreeBSD 13.1-RELEASE

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