http://ec2.{region}.amazonaws.com/#Action=GetInstanceUefiData<p>A binary representation of the UEFI variable store. Only non-volatile variables are stored. This is a base64 encoded and zlib compressed binary value that must be properly encoded.</p> <p>When you use <a href="https://docs.aws.amazon.com/cli/latest/reference/ec2/register-image.html">register-image</a> to create an AMI, you can create an exact copy of your variable store by passing the UEFI data in the <code>UefiData</code> parameter. You can modify the UEFI data by using the <a href="https://github.com/awslabs/python-uefivars">python-uefivars tool</a> on GitHub. You can use the tool to convert the UEFI data into a human-readable format (JSON), which you can inspect and modify, and then convert back into the binary format to use with register-image.</p> <p>For more information, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/uefi-secure-boot.html">UEFI Secure Boot</a> in the <i>Amazon EC2 User Guide</i>.</p>
{
"success": true,
"data": {
"id": "abc123",
"created_at": "2025-01-01T00:00:00Z"
}
}{
"success": false,
"error": {
"code": "VALIDATION_ERROR",
"message": "Invalid request parameters"
}
}1curl --request POST \2 --url 'http://ec2.{region}.amazonaws.com/#Action=GetInstanceUefiData' \3 --header 'accept: application/json' \4 --header 'content-type: application/json'1{2 "success": true,3 "data": {4 "id": "abc123",5 "created_at": "2025-01-01T00:00:00Z"6 }7}http://ec2.{region}.amazonaws.com/#Action=GetInstanceUefiData<p>A binary representation of the UEFI variable store. Only non-volatile variables are stored. This is a base64 encoded and zlib compressed binary value that must be properly encoded.</p> <p>When you use <a href="https://docs.aws.amazon.com/cli/latest/reference/ec2/register-image.html">register-image</a> to create an AMI, you can create an exact copy of your variable store by passing the UEFI data in the <code>UefiData</code> parameter. You can modify the UEFI data by using the <a href="https://github.com/awslabs/python-uefivars">python-uefivars tool</a> on GitHub. You can use the tool to convert the UEFI data into a human-readable format (JSON), which you can inspect and modify, and then convert back into the binary format to use with register-image.</p> <p>For more information, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/uefi-secure-boot.html">UEFI Secure Boot</a> in the <i>Amazon EC2 User Guide</i>.</p>
{
"success": true,
"data": {
"id": "abc123",
"created_at": "2025-01-01T00:00:00Z"
}
}{
"success": false,
"error": {
"code": "VALIDATION_ERROR",
"message": "Invalid request parameters"
}
}1curl --request POST \2 --url 'http://ec2.{region}.amazonaws.com/#Action=GetInstanceUefiData' \3 --header 'accept: application/json' \4 --header 'content-type: application/json'1{2 "success": true,3 "data": {4 "id": "abc123",5 "created_at": "2025-01-01T00:00:00Z"6 }7}