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-rw-r--r--ext/digest/lib/digest.rb26
1 files changed, 26 insertions, 0 deletions
diff --git a/ext/digest/lib/digest.rb b/ext/digest/lib/digest.rb
index e42f984..8575017 100644
--- a/ext/digest/lib/digest.rb
+++ b/ext/digest/lib/digest.rb
@@ -28,6 +28,13 @@ module Digest
def self.file(name)
new.file(name)
end
+
+ # Returns the base64 encoded hash value of a given _string_. The
+ # return value is properly padded with '=' and contains no line
+ # feeds.
+ def self.base64digest(str, *args)
+ [digest(str, *args)].pack('m0')
+ end
end
module Instance
@@ -42,6 +49,25 @@ module Digest
}
self
end
+
+ # If none is given, returns the resulting hash value of the digest
+ # in a base64 encoded form, keeping the digest's state.
+ #
+ # If a _string_ is given, returns the hash value for the given
+ # _string_ in a base64 encoded form, resetting the digest to the
+ # initial state before and after the process.
+ #
+ # In either case, the return value is properly padded with '=' and
+ # contains no line feeds.
+ def base64digest(str = nil)
+ [str ? digest(str) : digest].pack('m0')
+ end
+
+ # Returns the resulting hash value and resets the digest to the
+ # initial state.
+ def base64digest!
+ [digest!].pack('m0')
+ end
end
end