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# 使用 CloudHSM CLI 共用和取消共用金鑰
<a name="manage-keys-cloudhsm-cli-share"></a>

使用本主題中的命令在 [CloudHSM CLI](cloudhsm_cli.md) 中共用和取消共用金鑰。在 中 AWS CloudHSM，建立金鑰的加密使用者 (CU) 擁有金鑰。擁有者可以使用 **key share** 和 **key unshare** 命令來與其他 CU 共用和取消共用金鑰。共用金鑰的使用者可以在密碼編譯操作中使用此金鑰，但無法匯出金鑰、刪除金鑰，或再與其他使用者共用。

共用金鑰前，請以擁有金鑰的加密使用者 (CU) 身分登入 HSM。

**Topics**
+ [範例：共用和停止共用金鑰](#w2aac15c21c11b9)
+ [相關主題](#cloudhsm-cli-share-keys-seealso)

## 範例：共用和停止共用金鑰
<a name="w2aac15c21c11b9"></a>

**Example**  
以下示例顯示如何與加密使用者 (CU) `alice` 共用和取消共用金鑰。除 **key share** 和 **key unshare** 命令外，共用和取消共用命令還需要使用 [CloudHSM CLI 金鑰篩選條件](manage-keys-cloudhsm-cli-filtering.md)的特定金鑰以及要與之共用或取消共用金鑰的使用者的特定使用者名稱。  

1. 先用篩選條件執行 **key list** 命令以傳回特定金鑰並查看已與誰共用金鑰。

   ```
   aws-cloudhsm > key list --filter attr.label="rsa_key_to_share" --verbose
   {
     "error_code": 0,
     "data": {
       "matched_keys": [
         {
           "key-reference": "0x00000000001c0686",
           "key-info": {
             "key-owners": [
               {
                 "username": "cu3",
                 "key-coverage": "full"
               }
             ],
             "shared-users": [
               {
                 "username": "cu2",
                 "key-coverage": "full"
               },
               {
                 "username": "cu1",
                 "key-coverage": "full"
               },
               {
                 "username": "cu4",
                 "key-coverage": "full"
               },
               {
                 "username": "cu5",
                 "key-coverage": "full"
               },
               {
                 "username": "cu6",
                 "key-coverage": "full"
               },
               {
                 "username": "cu7",
                 "key-coverage": "full"
               },
             ],
             "key-quorum-values": {
               "manage-key-quorum-value": 0,
               "use-key-quorum-value": 0
             },
             "cluster-coverage": "full"
           },
           "attributes": {
             "key-type": "rsa",
             "label": "rsa_key_to_share",
             "id": "",
             "check-value": "0xae8ff0",
             "class": "private-key",
             "encrypt": false,
             "decrypt": true,
             "token": true,
             "always-sensitive": true,
             "derive": false,
             "destroyable": true,
             "extractable": true,
             "local": true,
             "modifiable": true,
             "never-extractable": false,
             "private": true,
             "sensitive": true,
             "sign": true,
             "trusted": false,
             "unwrap": true,
             "verify": false,
             "wrap": false,
             "wrap-with-trusted": false,
             "key-length-bytes": 1219,
             "public-exponent": "0x010001",
             "modulus": "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",
             "modulus-size-bits": 2048
           }
         }
       ],
       "total_key_count": 1,
       "returned_key_count": 1
     }
   }
   ```

1. 檢視 `shared-users` 輸出以識別金鑰目前與誰共用。

1. 如要與加密使用者 (CU) `alice` 共享此金鑰，請輸入以下命令：

   ```
   aws-cloudhsm > key share --filter attr.label="rsa_key_to_share" attr.class=private-key --username alice --role crypto-user
   {
     "error_code": 0,
     "data": {
       "message": "Key shared successfully"
     }
   }
   ```

   請注意，除 **key share** 命令外，此命令還使用金鑰的唯一標籤以及與其共用金鑰的使用者名稱。

1. 執行 **key list** 命令以確認金鑰已與 `alice` 共用：

   ```
   aws-cloudhsm > key list --filter attr.label="rsa_key_to_share" --verbose
   {
     "error_code": 0,
     "data": {
       "matched_keys": [
         {
           "key-reference": "0x00000000001c0686",
           "key-info": {
             "key-owners": [
               {
                 "username": "cu3",
                 "key-coverage": "full"
               }
             ],
             "shared-users": [
               {
                 "username": "cu2",
                 "key-coverage": "full"
               },
               {
                 "username": "cu1",
                 "key-coverage": "full"
               },
               {
                 "username": "cu4",
                 "key-coverage": "full"
               },
               {
                 "username": "cu5",
                 "key-coverage": "full"
               },
               {
                 "username": "cu6",
                 "key-coverage": "full"
               },
               {
                 "username": "cu7",
                 "key-coverage": "full"
               },
               {
                 "username": "alice",
                 "key-coverage": "full"
               }
             ],
             "key-quorum-values": {
               "manage-key-quorum-value": 0,
               "use-key-quorum-value": 0
             },
             "cluster-coverage": "full"
           },
           "attributes": {
             "key-type": "rsa",
             "label": "rsa_key_to_share",
             "id": "",
             "check-value": "0xae8ff0",
             "class": "private-key",
             "encrypt": false,
             "decrypt": true,
             "token": true,
             "always-sensitive": true,
             "derive": false,
             "destroyable": true,
             "extractable": true,
             "local": true,
             "modifiable": true,
             "never-extractable": false,
             "private": true,
             "sensitive": true,
             "sign": true,
             "trusted": false,
             "unwrap": true,
             "verify": false,
             "wrap": false,
             "wrap-with-trusted": false,
             "key-length-bytes": 1219,
             "public-exponent": "0x010001",
             "modulus": "0xa8855cba933cec0c21a4df0450ec31675c024f3e65b2b215a53d2bda6dcd191f75729150b59b4d86df58254c8f518f7d000cc04d8e958e7502c7c33098e28da4d94378ef34fb57d1cc7e042d9119bd79be0df728421a980a397095157da24cf3cc2b6dab12225d33fdca11f0c6ed1a5127f12488cda9a556814b39b06cd8373ff5d371db2212887853621b8510faa7b0779fbdec447e1f1d19f343acb02b22526487a31f6c704f8f003cb4f7013136f90cc17c2c20e414dc1fc7bcfb392d59c767900319679fc3307388633485657ce2e1a3deab0f985b0747ef4ed339de78147d1985d14fdd8634219321e49e3f5715e79c298f18658504bab04086bfbdcd3b",
             "modulus-size-bits": 2048
           }
         }
       ],
       "total_key_count": 1,
       "returned_key_count": 1
     }
   }
   ```

1. 若要與 `alice` 取消共用相同的金鑰，請執行下列 **unshare** 命令：

   ```
   aws-cloudhsm > key unshare --filter attr.label="rsa_key_to_share" attr.class=private-key --username alice --role crypto-user
   {
     "error_code": 0,
     "data": {
       "message": "Key unshared successfully"
     }
   }
   ```

   請注意，除 **key unshare** 命令外，此命令還使用金鑰的唯一標籤以及與其共用金鑰的使用者名稱。

1. 再次執行 **key list** 命令並確認是否未與加密使用者 `alice` 共用金鑰：

   ```
   aws-cloudhsm > key list --filter attr.label="rsa_key_to_share" --verbose
   {
     "error_code": 0,
     "data": {
       "matched_keys": [
         {
           "key-reference": "0x00000000001c0686",
           "key-info": {
             "key-owners": [
               {
                 "username": "cu3",
                 "key-coverage": "full"
               }
             ],
             "shared-users": [
               {
                 "username": "cu2",
                 "key-coverage": "full"
               },
               {
                 "username": "cu1",
                 "key-coverage": "full"
               },
               {
                 "username": "cu4",
                 "key-coverage": "full"
               },
               {
                 "username": "cu5",
                 "key-coverage": "full"
               },
               {
                 "username": "cu6",
                 "key-coverage": "full"
               },
               {
                 "username": "cu7",
                 "key-coverage": "full"
               },
             ],
             "key-quorum-values": {
               "manage-key-quorum-value": 0,
               "use-key-quorum-value": 0
             },
             "cluster-coverage": "full"
           },
           "attributes": {
             "key-type": "rsa",
             "label": "rsa_key_to_share",
             "id": "",
             "check-value": "0xae8ff0",
             "class": "private-key",
             "encrypt": false,
             "decrypt": true,
             "token": true,
             "always-sensitive": true,
             "derive": false,
             "destroyable": true,
             "extractable": true,
             "local": true,
             "modifiable": true,
             "never-extractable": false,
             "private": true,
             "sensitive": true,
             "sign": true,
             "trusted": false,
             "unwrap": true,
             "verify": false,
             "wrap": false,
             "wrap-with-trusted": false,
             "key-length-bytes": 1219,
             "public-exponent": "0x010001",
             "modulus": "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",
             "modulus-size-bits": 2048
           }
         }
       ],
       "total_key_count": 1,
       "returned_key_count": 1
     }
   }
   ```

## 相關主題
<a name="cloudhsm-cli-share-keys-seealso"></a>
+ [CloudHSM CLI 的金鑰屬性](cloudhsm_cli-key-attributes.md)
+ [使用 CloudHSM CLI 共用金鑰](cloudhsm_cli-key-share.md)
+ [使用 CloudHSM CLI 取消共用金鑰](cloudhsm_cli-key-unshare.md)
+ [使用 CloudHSM CLI 篩選金鑰](manage-keys-cloudhsm-cli-filtering.md)