serverless/lib/aws/set-s3-upload-encryption-options.js

export default (putParams, deploymentBucketOptions) => {
  const encryptionFields = [
    ['serverSideEncryption', 'ServerSideEncryption'],
    ['sseCustomerAlgorithim', 'SSECustomerAlgorithm'],
    ['sseCustomerKey', 'SSECustomerKey'],
    ['sseCustomerKeyMD5', 'SSECustomerKeyMD5'],
    ['sseKMSKeyId', 'SSEKMSKeyId'],
  ]

  const params = putParams

  encryptionFields.forEach((element) => {
    if (deploymentBucketOptions[element[0]]) {
      params[element[1]] = deploymentBucketOptions[element[0]]
    }
  })

  return params
}