d92b0a82cc
"A long time ago in a galaxy far, far away...." we started NFC subsystem refactoring. Starring: - @gornekich - NFC refactoring project lead, architect, senior developer - @gsurkov - architect, senior developer - @RebornedBrain - senior developer Supporting roles: - @skotopes, @DrZlo13, @hedger - general architecture advisors, code review - @Astrrra, @doomwastaken, @Hellitron, @ImagineVagon333 - quality assurance Special thanks: @bettse, @pcunning, @nxv, @noproto, @AloneLiberty and everyone else who has been helping us all this time and contributing valuable knowledges, ideas and source code.
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
#include "mf_ultralight_auth.h"
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#include <furi.h>
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#include <mbedtls/sha1.h>
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MfUltralightAuth* mf_ultralight_auth_alloc() {
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MfUltralightAuth* instance = malloc(sizeof(MfUltralightAuth));
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return instance;
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}
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void mf_ultralight_auth_free(MfUltralightAuth* instance) {
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furi_assert(instance);
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free(instance);
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}
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void mf_ultralight_auth_reset(MfUltralightAuth* instance) {
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furi_assert(instance);
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instance->type = MfUltralightAuthTypeNone;
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memset(&instance->password, 0, sizeof(MfUltralightAuthPassword));
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memset(&instance->pack, 0, sizeof(MfUltralightAuthPack));
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}
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bool mf_ultralight_generate_amiibo_pass(MfUltralightAuth* instance, uint8_t* uid, uint16_t uid_len) {
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furi_assert(instance);
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furi_assert(uid);
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bool generated = false;
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if(uid_len == 7) {
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instance->password.data[0] = uid[1] ^ uid[3] ^ 0xAA;
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instance->password.data[1] = uid[2] ^ uid[4] ^ 0x55;
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instance->password.data[2] = uid[3] ^ uid[5] ^ 0xAA;
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instance->password.data[3] = uid[4] ^ uid[6] ^ 0x55;
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generated = true;
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}
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return generated;
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}
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bool mf_ultralight_generate_xiaomi_pass(MfUltralightAuth* instance, uint8_t* uid, uint16_t uid_len) {
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furi_assert(instance);
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furi_assert(uid);
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uint8_t hash[20];
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bool generated = false;
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if(uid_len == 7) {
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mbedtls_sha1(uid, uid_len, hash);
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instance->password.data[0] = (hash[hash[0] % 20]);
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instance->password.data[1] = (hash[(hash[0] + 5) % 20]);
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instance->password.data[2] = (hash[(hash[0] + 13) % 20]);
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instance->password.data[3] = (hash[(hash[0] + 17) % 20]);
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generated = true;
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}
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return generated;
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}
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