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# 验证 AWS OpsHub 的 PGP 签名（可选）
<a name="verify-signature"></a>

Linux 操作系统的 AWS OpsHub 应用程序安装程序包采用加密签名。您可以使用公钥验证安装程序包是否为未修改的原始包。如果文件有任何损坏或更改，则验证将失败。您可以使用 GNU Privacy Guard（GPG）验证安装程序包的签名。此验证是可选的。如果您选择验证应用程序的签名，则可以随时进行验证。

您可以从 [AWS Snowball Edge 资源](https://aws.amazon.com/snowcone/resources/)或 [Snowball Edge 资源](https://aws.amazon.com/snowball/resources/)中下载 Linux 操作系统安装程序的签名文件。

**验证 Linux 操作系统的 AWS OpsHub 安装包**

1. 复制以下公钥，将其保存到文件中，然后为文件命名。例如 `opshub-public-key.pgp`。

   ```
   -----BEGIN PGP PUBLIC KEY BLOCK-----
   xsFNBF/hGf8BEAC9HCDV8uljDX02Jxspi6kmPu4xqf4ZZLQsSqJcHU61oL/c
   /zAN+mUqJT9aJ1rr0QFGVD1bMogecUPflTWlDkEEpG8ZbX5P8vR+EElO/rW/
   WtqizSudy6qy59ZRK+YVSDx7DZyuJmIO7j00UADCL+95ZQN9vqwHNjBHsgfQ
   l/1Tqhy81ozTZXcI/+u+99YLaugJIP6ZYIeDfpxnghqyVtaappBFTAyfG67Y
   N/5mea1VqJzd8liFpIFQnl+X7U2x6emDbM01yJWV3aMmPwhtQ7iBdt5a4x82
   EF5bZJ8HSRMvANDILD/9VTN8VfUQGKFjFY2GdX9ERwvfTb47bbv9Z28Vl284
   4lw2w1Bl007FoO2v/Y0ukrN3VHCpmJQS1IiqZbYRa0DVK6UR5QNvUlj5fwWs
   4qW9UDPhT/HDuaMrMFCejEn/7wvRUrGVtzCT9F56Al/dwRSxBejQQEb1AC8j
   uuyi7gJaPdyNntROEFTD7iO2L6X2jB4YLfvGxP7Xeq1Y37t8NKF8CYTpOry/
   Wvw0iKZFbo4AkiI0aLyBCk9HBXhUKa9x06gOnhh1UFQrPGrk60RPQKqL76HA
   E2ewzGDa90wlRBUAt2nRQpyNYjoASBvz/cAr3e0nuWsIzopZIenrxI5ffcjY
   f6UWA/OK3ITHtYHewVhseDyEqTQ4MUIWQS4NAwARAQABzTlBV1MgT3BzSHVi
   IGZvciBTbm93IEZhbWlseSA8YXdzLW9wc2h1Yi1zaWduZXJAYW1hem9uLmNv
   bT7CwY0EEAEIACAFAl/hGf8GCwkHCAMCBBUICgIEFgIBAAIZAQIbAwIeAQAh
   CRAhgc9adPNF8RYhBDcvpelIaY930bOvqiGBz1p080XxGbcP+gPZX7LzKc1Y
   w9CT3UHgkAIawOSXYktujzoYVxAz8/j3jEkCY0dKnfyqvWZDiJAXnzmxWWbg
   cxg1g0GXNXCM4lAd68CmbAOLoLTaWSQX30ZbswzhbtX2ADAlopV8RLBik7fm
   bS9FyuubDRhfYRQq0fpjUGXFiEgwg6aMFxsrGLlv4QD7t+6ftFIe/mxLbjR4
   iMgtr8FIPXbgn05YYY/LeF4NIgX4iLEqRbAnfWjPzqQ1spFWAotIzDmZqby+
   WdWThrH4K1rwtYM8sDhqRnMnqJrGFZzk7aDhVPwF+FOVMmPeEN5JRazEeUrl
   VZaSw6mu0n4FMGSXuwGgdvmkqnMe6I5/xLdU4IOPNhp0UmakDWOq/a1dREDE
   ZLMQDMINphmeQno4inGmwbRo63gitD4ZNR5sWwfuwty25lo8Ekv7jkkp3mSv
   pdxn5tptttnPaSPcSIX/4EDl19Tu0i7aup+v30t7eikYDSZG6g9+jHB3Va9e
   /VWShFSgy8Jm2+qq/ujUQDAGTCfSuY9jg1ITsog6ayEZa/2upDJ1m+4OHK4p
   8DrEzP/3jTahT8q5ofFWSRDL17d3lTSU+JBmPE3mz311FNXgiO8w+taY320z
   +irHtb3iSiiukbjS8s0maVgzszRqS9mhaEn4LL0zoqrUicmXgTyFB7n2LuYv
   O7vxMO5xxhGQwsF2BBABCAAJBQJf4RoCAhsDACEJEBFZvzT/tDi5FiEEi+O9
   V+UAYN9Gnw36EVm/NP+0OLnnEQ/+J4C0Mn8j0AebXrwBiFs83sQo2q+WHL1S
   MRc1g5gRFDXs6h1Gv+TGXRen7j1oeaddWvgOtUBxqmCOjr+8AKH0OtiBWSuO
   lsS8JU5rindEsKUrKTwcG2wyZFoe1zlE8xPkLRSRN5ZbbgKsTz16l1HgCCId
   Do+WJdDkWGWxmtDvzjM32EI/PVBd108ga9aPwXdhLwOdKAjZ4JrJXLUQJjRI
   IVDSyMObEHOUM6a/+mWNZazNfo0LsGWqGVa6Xn5WJWlwR1S78vPNfO3BQYuO
   YRjaVQR+kPtB9aSAZNi5sWfk6NrRNd1Q78d067uhhejsjRt7Mja2fEL4Kb1X
   nK4U/ps7XlO3o/VjblneZOhJK6kAKU172tnPJTJ31JbOxX73wsMWDYZRZVcK
   9X9+GFrpwhKHWKKPjpMOt/FRxNepvqRl72TkgBPqGH2TMOFdB1f/uQprvqge
   PBbS0JrmBIH9/anIqgtMdtcNQB/0erLdCDqI5afOuD1OLcLwdJwG9/bSrfwT
   TVEE3WbXmJ8pZgMzlHUiZE6V2DSadV/YItk50IOjjrOVHOHvlFMwGCEAIFzf
   9P/pNi8hpEmlRphRiOVVcdQ30bH0M0gPHu5V9flIhyCL1zU3LjYTHkq0yJD5
   YDA1xO1MYq3DcSM513OVBbLmuVS2GpcsTCYqlgQA6h/zzMwz+/7OwU0EX+EZ
   /wEQAOAY8ULmcJIQWIr14V0jylpJeD3qwj7wd+QsBzJ+mOpOB/3ZFAhQiNOl
   9yCDlHeiZeAmWYX9OIXrNiIdcHy+WTAp4G+NaMpqE52qhbDjz+IbvLpl1yDH
   bYEHPjnTHXEy2lbvKAJOKkw/2RcQOi4dodGnq5icyYj+9gcuHvnVwbrQ96Ia
   0D7c+b5T+bzFqk90nIcztrMRuhDLJnJpi7OjpvQwfq/TkkZA+mzupxfSkq/Y
   N9qXNEToT/VI2gn/LS0X4Ar1l2KxBjzNEsQkwGSiWSYtMA5J+Tj5ED0uZ/qe
   omNblAlD4bm7Na8NAoLxCtAiDq/f3To9Xb18lHsndOmfLCb/BVgP4edQKTIi
   C/OZHy9QJlfmN0aq7JVLQAuvQNEL88RKW6YZBqkPd3P6zdc7sWDLTMXMOd3I
   e6NUvU7pW0E9NyRfUF+oT4s9wAJhAodinAi8Zi9rEfhK1VCJ76j7bcQqYZe0
   jXD3IJ7T+X2XA8M/BmypwMW0Soljzhwh044RAasr/fAzpKNPB318JwcQunIz
   u2N3CeJ+zrsomjcPxzehwsSVq1lzaL2ureJBLOKkBgYxUJYXpbS01ax1TsFG
   09ldANOs9Ej8CND37GsNnuygjOgWXbX6MNgbvPs3H3zi/AbMunQ1VBlw07JX
   zdM1hBQZh6w+NeiEsK1T6wHi7IhxABEBAAHCwXYEGAEIAAkFAl/hGf8CGwwA
   IQkQIYHPWnTzRfEWIQQ3L6XpSGmPd9Gzr6ohgc9adPNF8TMBD/9TbU/+PVbF
   ywKvwi3GLOlpY7BXn8lQaHyunMGuavmO8OfaRROynkH0ZqLHCp6bIajFOfvF
   b7c0Jamzx8Hg+SIdl6yRpRY+fA4RQ6PNnnmT93ZgWW3EbjPyJGlm0/rt03SR
   +0yn4/ldlg2KfBX4pqMoPCMKUdWxGrmDETXsGihwZ0gmCZqXe8lK122PYkSN
   JQQ+LlfjKvCaxfPKEjXYTbIbfyyhCR6NzAOVZxCrzSz2xDrYWp/V002Klxda
   0ix6r2aEHf+xYEUhOaBt8OHY5nXTuRReCVU789MUVtCMqD2u6amdo4BR0kWA
   QNg4yavKwV+LVtyYh2Iju9VSyv4xL1Q4xKHvcAUrSH73bHG7b7jkUJckD0f4
   twhjJk/Lfwe6RdnVo2WoeTvE93w+NAq2FXmvbiG7eltl0XfQecvQU3QNbRvH
   U8B96W0w8UXJdvTKg4f0NbjSw7iJ3x5naixQ+rA8hLV8xOgn2LX6wvxT/SEu
   mn20KX+fPtJELK7v/NheFLX1jsKLXYo4jHrkfIXNsNUhg/x2E71kAjbeT3s+
   t9kCtxt2iXDDZvpIbmGO4QkvLFvoROaSmN6+8fupe3e+e2yN0e6xGTuE60gX
   I2+X1p1g9IduDYTpoI2OXleHyyMqGEeIb4gOiiSloTp5oi3EuAYRGflXuqAT
   VA19bKnpkBsJ0A==
   =tD2T
   -----END PGP PUBLIC KEY BLOCK-----
   ```

1. 使用诸如 GNU Privacy Guard 之类的加密软件套件将公钥导入到您的密钥环中，并记下返回的键值。

   ```
   gpg --import opshub-public-key.pgp
   ```  
**Example 命令的输出**  

   ```
   gpg: key 1655BBDE2B770256: public key "AWS OpsHub for Snowball Edge <aws-opshub-signer@amazon.com>" imported
   gpg: Total number processed: 1
   gpg:               imported: 1
   ```

1. 验证指纹。请务必将 *`key-value`* 替换为上一步中的值。建议您使用 GPG 来验证指纹。

   ```
   gpg --fingerprint key-value
   ```

   该命令会返回类似以下内容的输出。

   ```
   pub   rsa4096 2020-12-21 [SC]
         372F A5E9 4869 8F77 D1B3  AFAA 2181 CF5A 74F3 45F1
   uid           [ unknown] AWS OpsHub for Snowball Edge <aws-opshub-signer@amazon.com>
   sub   rsa4096 2020-12-21 [E]
   ```

   指纹应与以下内容匹配：

   `372F A5E9 4869 8F77 D1B3 AFAA 2181 CF5A 74F3 45F1`

   如果指纹不匹配，请不要安装 AWS OpsHub 应用程序。联系 支持。

1.  根据您的实例架构和操作系统验证安装程序包并下载签名文件（如果您尚未执行此操作）。

1. 验证安装程序包签名。请务必将 `signature-filename` 和 `OpsHub-download-filename` 替换为您在下载签名文件和 AWS OpsHub 应用程序时指定的值。

------
#### [ GPG ]

   ```
   gpg --verify signature-filename OpsHub-download-filename
   ```

------

   该命令会返回类似以下内容的输出。

------
#### [ GPG ]

   ```
   gpg: Signature made Mon Dec 21 13:44:47 2020 PST
   gpg:                using RSA key 1655BBDE2B770256
   gpg: Good signature from "AWS OpsHub for Snowball Edge <aws-opshub-signer@amazon.com>" [unknown]
   gpg: WARNING: This key is not certified with a trusted signature!
   gpg:          There is no indication that the signature belongs to the owner.
   Primary key fingerprint: 9C93 4C3B 61F8 C434 9F94  5CA0 1655 BBDE 2B77 0256
   ```

------

   在使用 GPG 时，如果输出包含短语 `BAD signature`，则检查是否正确执行了此过程。如果您继续收到此回复，请联系 支持 并不要安装代理。有关信任的警告消息并不意味着签名无效，只是您尚未验证公有密钥而已。只有当您或您信任的某个人对密钥进行了签名，密钥才是可信的。