Current File : //lib/python2.7/site-packages/keyczar/keydata.pyo
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Encodes the two classes storing data about keys:
  - KeyMetadata: stores metadata
  - KeyVersion: stores key strings and types

@author: arkajit.dey@gmail.com (Arkajit Dey)
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    Adds given version and returns True if successful.

    @param version: version to add
    @type version: L{KeyVersion}

    @return: True if version was successfully added (i.e. no previous version
      had the same version number), False otherwise.
    @rtype: boolean
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AddVersion2s
	
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    Removes version with given version number and returns it if it exists.

    @param version_number: version number to remove
    @type version_number: integer

    @return: the removed version if it exists
    @rtype: L{KeyVersion}

    @raise KeyczarError: if the version number is non-existent
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    Return the version corresponding to the given version number.

    @param version_number: integer version number of desired version
    @type version_number: integer

    @return: the corresponding version if it exists
    @rtype: L{KeyVersion}

    @raise KeyczarError: if the version number is non-existent.
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GetVersionTs
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    Return KeyMetadata object constructed from JSON string representation.

    @param json_string: a JSON representation of a KeyMetadata object
    @type json_string: string

    @return: the constructed KeyMetadata object
    @rtype: L{KeyMetadata}
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    Return KeyVersion object constructed from dictionary derived from JSON.

    @param version: a dictionary obtained from a JSON string representation
    @type version: dictionary

    @return: constructed KeyVersion object
    @rtype: L{KeyVersion}
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