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-rw-r--r--activesupport/lib/active_support/message_encryptor.rb11
1 files changed, 6 insertions, 5 deletions
diff --git a/activesupport/lib/active_support/message_encryptor.rb b/activesupport/lib/active_support/message_encryptor.rb
index 689a2202f7..03e7d5b436 100644
--- a/activesupport/lib/active_support/message_encryptor.rb
+++ b/activesupport/lib/active_support/message_encryptor.rb
@@ -14,11 +14,12 @@ module ActiveSupport
# This can be used in situations similar to the <tt>MessageVerifier</tt>, but
# where you don't want users to be able to determine the value of the payload.
#
- # salt = SecureRandom.random_bytes(64)
- # key = ActiveSupport::KeyGenerator.new('password').generate_key(salt, 32) # => "\x89\xE0\x156\xAC..."
- # crypt = ActiveSupport::MessageEncryptor.new(key) # => #<ActiveSupport::MessageEncryptor ...>
- # encrypted_data = crypt.encrypt_and_sign('my secret data') # => "NlFBTTMwOUV5UlA1QlNEN2xkY2d6eThYWWh..."
- # crypt.decrypt_and_verify(encrypted_data) # => "my secret data"
+ # len = ActiveSupport::MessageEncryptor.key_len
+ # salt = SecureRandom.random_bytes(len)
+ # key = ActiveSupport::KeyGenerator.new('password').generate_key(salt, len) # => "\x89\xE0\x156\xAC..."
+ # crypt = ActiveSupport::MessageEncryptor.new(key) # => #<ActiveSupport::MessageEncryptor ...>
+ # encrypted_data = crypt.encrypt_and_sign('my secret data') # => "NlFBTTMwOUV5UlA1QlNEN2xkY2d6eThYWWh..."
+ # crypt.decrypt_and_verify(encrypted_data) # => "my secret data"
class MessageEncryptor
class << self
attr_accessor :use_authenticated_message_encryption #:nodoc: