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set keys wo clear context

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merlokk 2021-08-09 20:05:42 +03:00
commit 882fa2334e
2 changed files with 4 additions and 0 deletions
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3
client/src/mifare/desfirecrypto.c
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@ -74,7 +74,10 @@ void DesfireClearIV(DesfireContext *ctx) {
void DesfireSetKey(DesfireContext *ctx, uint8_t keyNum, enum DESFIRE_CRYPTOALGO keyType, uint8_t *key) { void DesfireSetKey(DesfireContext *ctx, uint8_t keyNum, enum DESFIRE_CRYPTOALGO keyType, uint8_t *key) {
DesfireClearContext(ctx); DesfireClearContext(ctx);
DesfireSetKeyNoClear(ctx, keyNum, keyType, key);
}
void DesfireSetKeyNoClear(DesfireContext *ctx, uint8_t keyNum, enum DESFIRE_CRYPTOALGO keyType, uint8_t *key) {
ctx->keyNum = keyNum; ctx->keyNum = keyNum;
ctx->keyType = keyType; ctx->keyType = keyType;
memcpy(ctx->key, key, desfire_get_key_length(keyType)); memcpy(ctx->key, key, desfire_get_key_length(keyType));

1
client/src/mifare/desfirecrypto.h
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@ -106,6 +106,7 @@ void DesfireClearContext(DesfireContext *ctx);
void DesfireClearSession(DesfireContext *ctx); void DesfireClearSession(DesfireContext *ctx);
void DesfireClearIV(DesfireContext *ctx); void DesfireClearIV(DesfireContext *ctx);
void DesfireSetKey(DesfireContext *ctx, uint8_t keyNum, enum DESFIRE_CRYPTOALGO keyType, uint8_t *key); void DesfireSetKey(DesfireContext *ctx, uint8_t keyNum, enum DESFIRE_CRYPTOALGO keyType, uint8_t *key);
void DesfireSetKeyNoClear(DesfireContext *ctx, uint8_t keyNum, enum DESFIRE_CRYPTOALGO keyType, uint8_t *key);
void DesfireSetCommandSet(DesfireContext *ctx, DesfireCommandSet cmdSet); void DesfireSetCommandSet(DesfireContext *ctx, DesfireCommandSet cmdSet);
void DesfireSetCommMode(DesfireContext *ctx, DesfireCommunicationMode commMode); void DesfireSetCommMode(DesfireContext *ctx, DesfireCommunicationMode commMode);
void DesfireSetKdf(DesfireContext *ctx, uint8_t kdfAlgo, uint8_t *kdfInput, uint8_t kdfInputLen); void DesfireSetKdf(DesfireContext *ctx, uint8_t kdfAlgo, uint8_t *kdfInput, uint8_t kdfInputLen);