When you cannot use Web Gateway to decrypt cloud storage data, you can perform the decryption manually by running a suitable command if you know the algorithm and password that were used for the encryption.
- Download the data in encrypted format from the cloud storage service that stored the data to your system.
- Run the following command to decrypt the data:
openssl enc -<cipher> -d -in <encrypted file> -out <decrypted file> -k <password> -md sha256
The variable parameters have the following meanings:
<cipher> Algorithm used to encrypt the data
<encrypted file> Path and file name for the file that contains the encrypted data
<decrypted file> Path and file name for the file the decrypted data should be written to
<password> Password used when the data was encrypted
The data is decrypted and written to the specified file.