A. The resulting plaintext data is base64-encoded. To reveal the original plaintext, use the base64 --decode command.

B. The data is corrupted. Execute the encryption command again using a different data key

C. the user doesn't have permission to decrypt the data, therefore Vault returns false data so as not to reveal if the data was actually encrypted by Vault

D. Vault is sealed, therefore the data cannot be decrypted. Unseal Vault to properly decrypt the data