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ECKey: Decrypted keys must always be 32 bytes long, otherwise likely the encryption key was wrong.

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This commit is contained in:
Andreas Schildbach
2019-04-06 10:32:05 +02:00
parent c509cdbd95
commit b567260189
1 changed files with 3 additions and 0 deletions
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3
core/src/main/java/org/bitcoinj/core/ECKey.java
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@@ -1107,6 +1107,9 @@ public class ECKey implements EncryptableItem {
throw new KeyCrypterException("The keyCrypter being used to decrypt the key is different to the one that was used to encrypt it"); throw new KeyCrypterException("The keyCrypter being used to decrypt the key is different to the one that was used to encrypt it");
checkState(encryptedPrivateKey != null, "This key is not encrypted"); checkState(encryptedPrivateKey != null, "This key is not encrypted");
byte[] unencryptedPrivateKey = keyCrypter.decrypt(encryptedPrivateKey, aesKey); byte[] unencryptedPrivateKey = keyCrypter.decrypt(encryptedPrivateKey, aesKey);
if (unencryptedPrivateKey.length != 32)
throw new KeyCrypterException.InvalidCipherText(
"Decrypted key must be 32 bytes long, but is " + unencryptedPrivateKey.length);
ECKey key = ECKey.fromPrivate(unencryptedPrivateKey); ECKey key = ECKey.fromPrivate(unencryptedPrivateKey);
if (!isCompressed()) if (!isCompressed())
key = key.decompress(); key = key.decompress();