aws ecr - authenticating against ECR


Download and setup aws cli. Once you got that, please issue the following command to get acr password. 

 aws ecr get-login-password --region ap-southeast-2 

Then you can use the following command to login to your ECR region

docker login --username AWS your-registry-southeast-2.amazonaws.com

Then paste your password, you obtained from above. 


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The specified initialization vector (IV) does not match the block size for this algorithm

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If you're getting  exception when trying to assigned key to a symmetric key and getting error message below :- The specified initialization vector (IV) does not match the block size for this algorithm And your code probably look like something below :- Then you need to go into debug mode and start looking into the supported size for IV as shown in diagram below :- As you can see, IV is 16 bytes, so you need to provide 16 bytes. The same goes for Key field too, if you're adding anything to it. As long as you provide a valid key size, then we're good and you're code will be ready.
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