https://docs.aws.amazon.com/encryption-sdk/latest/developer-guide/introduction.html

https://docs.aws.amazon.com/encryption-sdk/latest/developer-guide/how-it-works.html

python encrypt.py <KEY_ARN> <PLAIN_FILE> <ENCRYPTED_FILE>

$ python decrypt.py <KEY_ARN> <ENCRYPTED_FILE> <DECRYPTED_FILE>

cmp --silent <PLAIN_FILE> <DECRYPTED_FILE> && echo '### SUCCESS: Files Are Identical! ###' || echo '### WARNING: Files Are Different! ###'
### SUCCESS: Files Are Identical! ###

Details: If

Command: python create_restricted_bucket.py account_id s3_user region bucket_name ip_range

Using linux split command: split -b 5000k --numeric-suffixes <BIG_FILE> <PREFIX>

Example: split -b 5000k --numeric-suffixes FILE.txt segment-

Permissions: chmod +x s3_upload.sh

Upload in parallel processes to S3: s3_upload.sh <FULL_PATH_TO_FOLDER> <S3_BUCKET_NAME> <N_PROCESSES>

Encryption: https://docs.aws.amazon.com/AmazonS3/latest/dev/UsingKMSEncryption.html Allow by IP: https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_examples_aws_deny-ip.html

Uploading multiple files to AWS S3 in parallel: https://netdevops.me/2018/uploading-multiple-files-to-aws-s3-in-parallel/ https://aws.amazon.com/blogs/apn/getting-the-most-out-of-the-amazon-s3-cli/

Other tools: https://s3tools.org/usage http://s3browser.com/