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"Key size" error when setting a custom SSL certificate in Element Software

Last Updated:

Applies to

  • Element Software version 12.0 and above
  • Element Management Node (mNode) version 12.0 and above


When attempting to install a custom SSL Certificate on an Element cluster or Element mNode using the SetSSLCertificate (cluster) or SetNodeSSLCertificate (mNode) API methods, the operation fails with the following error:

"Key size [submitted_key_length] should be a minimum of 2048 bit for RSA"

For instance: 

Key size [1024] should be a minimum of 2048 bit for RSA when attempting to apply a key of bit length 1024. 

Full example:

"error": {
"code": 500,
"message": "Key size [1024] should be a minimum of 2048 bit for RSA",
"name": "xInvalidCertificate"
"id": null


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