| 摘要 |
In a first terminal serving as rights assignment source, an encoding binding state of a key encoding key included in a rights object is converted from a bind using a binding key of the first terminal and a bind using a domain key. Then, the rights object including the thus bound converted key encoding key is transferred to a second terminal serving as rights assignment destination together with encoded contents, and further, the above domain key is transferred to the second terminal via a secure session.
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