kms encrypt decrypt

kms_encrypt_decrypt.sh

#!/usr/bin/env bash

if [ -z ${KMS_KEY_ID} ]; then
  echo "KMS_KEY_ID unset! Exiting"; 
  exit 1
fi 

aws kms encrypt --key-id $KMS_KEY_ID --plaintext "hello" --output text --query CiphertextBlob > output.kms.yml
encrypted=$(<output.kms.yml)
echo "Encrypted: $encrypted"

echo "Decrypted: $(aws kms decrypt --ciphertext-blob fileb://<(echo $encrypted | base64 -D) --query Plaintext --output text | base64 -D)"

blob=AQECAHiBTXMxAMpI9Q4CfAD79nib3Vbut33Rr3ikKtQRWAQQFgAAAHYwdAYJKoZIhvcNAQcGoGcwZQIBADBgBgkqhkiG9w0BBwEwHgYJYIZIAWUDBAEuMBEEDFLZAunRHyfzsY41VwIBEIAzHu7FfSLsFIPshfhTmGq3yrSlv/BDfofTyFbL/wXuwy+sM9nYjWZmJbFNCBWadebHH9eh
aws kms decrypt --ciphertext-blob fileb://<(echo $blob | base64 -D) --query Plaintext --output text

$ aws kms decrypt --ciphertext-blob fileb://<(echo $blob | base64 -D) --query Plaintext --output text | md5sum
58772456fdb775906dcdb1adbe9100e5 -

make sure aws uses us-east-1 region