Create a script to create a script that loads your aws credentials. Encrypts your secret key.

createawscred.sh

#!/bin/sh

echo "Enter your AWS Access Key: "
read access_key

echo "Enter your AWS Secret Key: "
read secret_key

encrypted=$(echo $secret_key | openssl aes-256-cbc -a -salt)

cat >~/bin/loadawscred <<- _EOF_
#!/bin/sh

export AWS_ACCESS_KEY_ID=$access_key
export AWS_SECRET_ACCESS_KEY=\$(echo "$encrypted" | openssl aes-256-cbc -d -a)
_EOF_

chmod 700 ~/bin/loadawscred