Received data for decryption with size that is less than IV length – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch receives data for decryption that is smaller than the Initialization Vector (IV) length. This could be due to corrupted or incomplete data. To resolve this issue, you can try the following: 1) Verify the integrity of your data and ensure it’s complete. 2) Check your encryption settings and ensure they match with the data you’re trying to decrypt. 3) If the error persists, consider re-encrypting your data with the correct settings.

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This guide will help you check for common problems that cause the log ” received data for decryption with size [{}] that is less than IV length [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “received data for decryption with size [{}] that is less than IV length [{}]” classname is CryptoService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        }
    }

    private byte[] decryptInternal(byte[] bytes; SecretKey key) {
        if (bytes.length 


 

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