class ActiveSupport::MessageEncryptor

(See #decrypt_and_verify.)
specified when verifying the message; otherwise, verification will fail.
The purpose of the message. If specified, the same purpose must be
[+:purpose+]

encryptor.decrypt_and_verify(message) # => nil
# 24 hours later...
encryptor.decrypt_and_verify(message) # => "hello"
message = encryptor.encrypt_and_sign("hello", expires_in: 24.hours)

elapsed, verification of the message will fail.
The duration for which the message is valid. After this duration has
[+:expires_in+]

encryptor.decrypt_and_verify(message) # => nil
# 24 hours later...
encryptor.decrypt_and_verify(message) # => "hello"
message = encryptor.encrypt_and_sign("hello", expires_at: Time.now.tomorrow)

verification of the message will fail.
The datetime at which the message expires. After this datetime,
[+:expires_at+]

==== Options

padding attacks. Reference: https://www.limited-entropy.com/padding-oracle-attacks/.
Encrypt and sign a message. We need to sign the message in order to avoid

def encrypt_and_sign(value, **options)
  create_message(value, **options)
end