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| A group of segments containing lists of certificates or public keys. The group shall be used to group together certificates of similar status - i.e., which are still valid, or which may be invalid for some reason. |
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Function: |
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To specify the status of security objects, such as keys or certificates to be delivered in a list, and the corresponding list parameters. |
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EAN |
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M |
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General explanations |
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Valid |
| 2 |
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Revoked |
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Expired |
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Identification of the security element (key or certificate, for instance) status. |
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R |
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M |
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M |
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Specification of the list requested or delivered. |
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Segment Notes: |
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A segment identifying valid, revoked, unknown or discontinued items. These items may be certificates (e.g., valid, revoked) or public keys (e.g., valid or discontinued).
There may be several different USL segments within this message, if the delivery implies more than one list of certificates or public keys. The different lists may be identified by the list parameters.
Example:
USL+1+ZZZ:ABC-LIST' |
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