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Expose the functionality to decrypt given data using keyring

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This allows us to provide the keyring a blob of encrypted data and a key name, and have it decrypt it for us.

Also fixed javadoc length in Keyring.java. It seems like it was using a 80-character length limit.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=222995542
This commit is contained in:
jianglai 2018-11-27 08:31:55 -08:00
parent 0ed0bcc99f
commit 4416601a1d
6 changed files with 70 additions and 30 deletions
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18
java/google/registry/keyring/kms/KmsKeyring.java
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@ -205,13 +205,27 @@ public class KmsKeyring implements Keyring {
}
private byte[] getDecryptedData(String keyName) {
KmsSecret secret = getSecret(keyName);
String encryptedData = getEncryptedData(keyName);
return getDecryptedData(keyName, encryptedData);
}
private byte[] getDecryptedData(KmsSecret secret) {
String encryptedData = getEncryptedData(secret);
return getDecryptedData(secret, encryptedData);
}
private byte[] getDecryptedData(KmsSecret secret, String encryptedData) {
try {
return kmsConnection.decrypt(secret.getName(), encryptedData);
} catch (Exception e) {
throw new KeyringException(
String.format("CloudKMS decrypt operation failed for secret %s", keyName), e);
String.format("CloudKMS decrypt operation failed for secret %s", secret.getName()), e);
}
}
@Override
public byte[] getDecryptedData(String keyName, String encryptedData) {
KmsSecret secret = getSecret(keyName);
return getDecryptedData(secret);
}
}