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ethereum: clear local variables in layoutEthereumFee

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Pavol Rusnak 2019-02-16 15:54:28 +01:00
parent c7af39bf8d
commit fd46339f5c
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1 changed files with 3 additions and 0 deletions
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firmware/ethereum.c
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@ -377,6 +377,9 @@ static void layoutEthereumFee(const uint8_t *value, uint32_t value_len,
char tx_value[32]; char tx_value[32];
char gas_value[32]; char gas_value[32];
memzero(tx_value, sizeof(tx_value));
memzero(gas_value, sizeof(gas_value));
memzero(pad_val, sizeof(pad_val)); memzero(pad_val, sizeof(pad_val));
memcpy(pad_val + (32 - gas_price_len), gas_price, gas_price_len); memcpy(pad_val + (32 - gas_price_len), gas_price, gas_price_len);
bn_read_be(pad_val, &val); bn_read_be(pad_val, &val);