The term self-justification is identified in base64 scheme by the sequence c2VsZi1qdXN0aWZpY2F0aW9u, while the MD5 signature is equal to 553ac28c4e03c05e4a128b9ebff0704b. The ASCII encoding of self-justification in hexadecimal notation is 73656c662d6a757374696669636174696f6e.