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request strongest instance of securerandom when generating a seed

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This commit is contained in:
Craig Raw 2021-04-06 11:46:51 +02:00
parent 942db9df48
commit cb884d97cb
1 changed files with 9 additions and 1 deletions
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10
src/main/java/com/sparrowwallet/sparrow/control/MnemonicKeystoreImportPane.java
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@ -30,6 +30,7 @@ import org.controlsfx.validation.ValidationSupport;
import org.controlsfx.validation.Validator; import org.controlsfx.validation.Validator;
import org.controlsfx.validation.decoration.StyleClassValidationDecoration; import org.controlsfx.validation.decoration.StyleClassValidationDecoration;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom; import java.security.SecureRandom;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collection; import java.util.Collection;
@ -275,7 +276,14 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
int mnemonicSeedLength = wordEntriesProperty.get().size() * 11; int mnemonicSeedLength = wordEntriesProperty.get().size() * 11;
int entropyLength = mnemonicSeedLength - (mnemonicSeedLength/33); int entropyLength = mnemonicSeedLength - (mnemonicSeedLength/33);
DeterministicSeed deterministicSeed = new DeterministicSeed(new SecureRandom(), entropyLength, ""); SecureRandom secureRandom;
try {
secureRandom = SecureRandom.getInstanceStrong();
} catch(NoSuchAlgorithmException e) {
secureRandom = new SecureRandom();
}
DeterministicSeed deterministicSeed = new DeterministicSeed(secureRandom, entropyLength, "");
generatedMnemonicCode = deterministicSeed.getMnemonicCode(); generatedMnemonicCode = deterministicSeed.getMnemonicCode();
displayMnemonicCode(); displayMnemonicCode();