验证 Amazon SAM CLI 安装程序的完整性 - Amazon Serverless Application Model
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验证 Amazon SAM CLI 安装程序的完整性

使用软件包安装程序安装 Amazon Serverless Application Model 命令行界面 (Amazon SAM CLI) 时,可以在安装前验证安装程序的完整性。此步骤是可选的,但我们强烈建议您执行此步骤。

可供您使用的两个验证选项是:

  • 验证软件包安装程序签名文件。

  • 验证软件包安装程序的哈希值。

如果可用于您的平台,我们建议您验证签名文件选项。此选项提供额外的安全层,因为密钥值在此处发布,并且与 GitHub 存储库分开管理。

验证安装程序包签名文件

Linux

arm64:命令行安装程序

Amazon SAM 使用 GnuPG 对 Amazon SAM CLI .zip 安装程序进行签名。验证过程需要执行以下步骤:

  1. 使用主公钥验证签署人公钥。

  2. 使用签署人公钥验证 Amazon SAM CLI 软件包安装程序。

验证签署人公钥的完整性
  1. 复制主公钥并将其作为 .txt 文件保存到本地计算机。例如,primary-public-key.txt

    -----BEGIN PGP PUBLIC KEY BLOCK-----
    Version: GnuPG v2.0.22 (GNU/Linux)
    
    mQINBGRuSzMBEADsqiwOy78w7F4+sshaMFRIwRGNRm94p5Qey2KMZBxekFtoryVD
    D9jEOnvupx4tvhfBHz5EcUHCEOdl4MTqdBy6vVAshozgxVb9RE8JpECn5lw7XC69
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    JHpJcMuL2Mg6zDo3x+3gTCf+Wqz3rZzxB+wQT3yryZs6efcQy7nROiRxYBxCSXX0
    2cNYzsYLb/bYaW8yqWIHD5IqKhw269gp2E5Khs60zgS3CorMb5/xHgXjUCVgcu8a
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    CnFFqyxBpj5IOnG0KZGVihvn+iRxrv6GO7WWO92+Dc6m94U0EEiBR7QiOwARAQAB
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    gOA2f8NF9lE5nBbeEuYquoOl1Vy8+ICbgOFs9LoWZlnVh7/RyY6ssowiU9vGUnHI
    L8f9jqRspIz/Fm3JD86ntZxLVGkeZUz62FqErdohYfkFIVcv7GONTEyrz5HLlnpv
    FJ0MR0HjrMrZrnOVZnwBKhpbLocTsH+3t5It4ReYEX0f1DIOL/KRwPvjMvBVkXY5
    hblRVDQoOWc=
    =d9oG
    -----END PGP PUBLIC KEY BLOCK-----
  2. 将主公钥导入到您的密钥环中。

    $ gpg --import primary-public-key.txt gpg: directory `/home/.../.gnupg' created gpg: new configuration file `/home/.../.gnupg/gpg.conf' created gpg: WARNING: options in `/home/.../.gnupg/gpg.conf' are not yet active during this run gpg: keyring `/home/.../.gnupg/secring.gpg' created gpg: keyring `/home/.../.gnupg/pubring.gpg' created gpg: /home/.../.gnupg/trustdb.gpg: trustdb created gpg: key 73AD885A: public key "AWS SAM CLI Primary <aws-sam-cli-primary@amazon.com>" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1)
  3. 复制签署人公钥并将其作为 .txt 文件保存到本地计算机。例如,signer-public-key.txt

    -----BEGIN PGP PUBLIC KEY BLOCK-----
    Version: GnuPG v2.0.22 (GNU/Linux)
    
    mQINBGRtS20BEAC7GjaAwverrB1zNEu2q3EGI6HC37WzwL5dy30f4LirZOWS3piK
    oKfTqPjXPrLCf1GL2mMqUSgSnpEbPNXuvWTW1CfSnnjwuH8ZqbvvUQyHJwQyYpKm
    KMwb+8V0bzzQkMzDVqolYQCi5XyGpAuo3wroxXSzG6r/mIhbiq3aRnL+2lo4XOYk
    r7q9bhBqbJhzjkm7N62PhPWmi/+/EGdEBakA1pReE+cKjP2UAp5L6CPShQl2fRKL
    9BumitNfFHHs1JZgZSCCruiWny3XkUaXUEMfyoE9nNbfqNvuqV2KjWguZCXASgz2
    ZSPF4DTVIBMfP+xrZGQSWdGU/67QdysDQW81TbFOjK9ZsRwwGC4kbg/K98IsCNHT
    ril5RZbyr8pw3fw7jYjjI2ElAacRWp53iRzvutm5AruPpLfoKDQ/tKzBUYItBwlu
    Z/diKgcqtw7xDlyqNyTN8xFPFqMO2I8IsZ2Pdl131htdFiZMiin1RQG9pV9p2vHS
    eQVY2uKCnvnA6vFCQYKXP7p0IwReuPNzDvECUsidw8VTakTqZsANT/bU17e4KuKn
    +JgbNrKOasJX37sDb/9ruysozLvy78ozYKJDLmC3yoRQ8DhEjviT4cnjORgNmvnZ
    0a5AA/DJPQW4buRrXdxu+fITzBxQn2+GO/iDNCxtJaq5SYVBKjTmTWPUJwARAQAB
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    ryV8OokCHAQQAQkABgUCZG5MWAAKCRBC/V96c62IWmglD/9idU43kW8Zy8Af1j8l
    Am3lI4d9ksOleeKRZqxo/SZ5rovF32DO2nw7XRXq1+EbhgJaI3QwwOi0U0pfAMVT
    4b9TdxdH+n+tqzCHh3jZqmo9sw+c9WFXYJN1hU9bLzcHXS8hOTbyoE2EuXx56ds9
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    GXwoX75FwIEHA3n5Q7rZ69Ea6Q==
    =ZIO7
    -----END PGP PUBLIC KEY BLOCK-----
  4. 将签署人公钥导入到您的密钥环中。

    $ gpg --import signer-public-key.txt gpg: key FE0ADDFA: public key "AWS SAM CLI Team <aws-sam-cli-signer@amazon.com>" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) gpg: no ultimately trusted keys found

    记下输出中的密钥值。例如,FE0ADDFA

  5. 使用密钥值获取并验证签署人公钥的指纹。

    $ gpg --fingerprint FE0ADDFA pub 4096R/FE0ADDFA 2023-05-23 [expires: 2025-05-22] Key fingerprint = 37D8 BE16 0355 2DA7 BD6A 04D8 C7A0 5F43 FE0A DDFA uid AWS SAM CLI Team <aws-sam-cli-signer@amazon.com>

    指纹应与以下内容匹配:

    37D8 BE16 0355 2DA7 BD6A  04D8 C7A0 5F43 FE0A DDFA

    如果指纹字符串不匹配,请不要使用 Amazon SAM CLI 安装程序。通过在aws-sam-cli GitHub 存储库创建问题来上报给Amazon SAM团队。

  6. 验证签署人公钥的签名:

    $ gpg --check-sigs FE0ADDFA pub 4096R/FE0ADDFA 2023-05-23 [expires: 2025-05-22] uid AWS SAM CLI Team <aws-sam-cli-signer@amazon.com> sig!3 FE0ADDFA 2023-05-23 AWS SAM CLI Team <aws-sam-cli-signer@amazon.com> sig! 73AD885A 2023-05-24 AWS SAM CLI Primary <aws-sam-cli-primary@amazon.com>

    如果看到 1 signature not checked due to a missing key,请重复前面的步骤,将主公钥和签署人公钥导入到密钥环中。

    您应该会看到列出的主公钥和签署人公钥的密钥值。

现在,您已经验证了签署人公钥的完整性,您可以使用签署人公钥来验证 Amazon SAM CLI 软件包安装程序。

验证 Amazon SAM CLI 软件包安装程序的完整性
  1. 获取 Amazon SAM CLI 软件包签名文件 - 使用以下命令下载 Amazon SAM CLI 软件包安装程序的签名文件:

    $ wget https://github.com/aws/aws-sam-cli/releases/latest/download/aws-sam-cli-linux-arm64.zip.sig
  2. 验证签名文件 – 将两个下载 .sig.zip 文件作为参数传递给 gpg 命令。以下是 示例:

    $ gpg --verify aws-sam-cli-linux-arm64.zip.sig aws-sam-cli-linux-arm64.zip

    该输出值应该类似于以下内容:

    gpg: Signature made Tue 30 May 2023 10:03:57 AM UTC using RSA key ID FE0ADDFA
    gpg: Good signature from "AWS SAM CLI Team <aws-sam-cli-signer@amazon.com>"
    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: 37D8 BE16 0355 2DA7 BD6A  04D8 C7A0 5F43 FE0A DDFA
    • 可以忽略消息WARNING: This key is not certified with a trusted signature!。之所以出现此警告,是因为您的个人 PGP 密钥(如果您有)和 Amazon SAM CLI 密钥之间没有信任链。有关更多信息,请参阅信任 Web

    • 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,请通过在aws-sam-cli GitHub 存储库创建问题来上报给Amazon SAM团队,并避免使用下载的文件。

    消息Good signature from "AWS SAM CLI Team <aws-sam-cli-signer@amazon.com>"表示签名已通过验证,您可以继续安装。

x86_64 - 命令行安装程序

Amazon SAM 使用 GnuPG 对 Amazon SAM CLI .zip 安装程序进行签名。验证过程需要执行以下步骤:

  1. 使用主公钥验证签署人公钥。

  2. 使用签署人公钥验证 Amazon SAM CLI 软件包安装程序。

验证签署人公钥的完整性
  1. 复制主公钥并将其作为 .txt 文件保存到本地计算机。例如,primary-public-key.txt

    -----BEGIN PGP PUBLIC KEY BLOCK-----
    Version: GnuPG v2.0.22 (GNU/Linux)
    
    mQINBGRuSzMBEADsqiwOy78w7F4+sshaMFRIwRGNRm94p5Qey2KMZBxekFtoryVD
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    hblRVDQoOWc=
    =d9oG
    -----END PGP PUBLIC KEY BLOCK-----
  2. 将主公钥导入到您的密钥环中。

    $ gpg --import primary-public-key.txt gpg: directory `/home/.../.gnupg' created gpg: new configuration file `/home/.../.gnupg/gpg.conf' created gpg: WARNING: options in `/home/.../.gnupg/gpg.conf' are not yet active during this run gpg: keyring `/home/.../.gnupg/secring.gpg' created gpg: keyring `/home/.../.gnupg/pubring.gpg' created gpg: /home/.../.gnupg/trustdb.gpg: trustdb created gpg: key 73AD885A: public key "AWS SAM CLI Primary <aws-sam-cli-primary@amazon.com>" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1)
  3. 复制签署人公钥并将其作为 .txt 文件保存到本地计算机。例如,signer-public-key.txt

    -----BEGIN PGP PUBLIC KEY BLOCK-----
    Version: GnuPG v2.0.22 (GNU/Linux)
    
    mQINBGRtS20BEAC7GjaAwverrB1zNEu2q3EGI6HC37WzwL5dy30f4LirZOWS3piK
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    u4kdBmXREcVpSz65h9ImSy2ner9qktnVVCW4mZPj63IhB37YtoLAMyz3a3R2RFNk
    viEX8foOTUg1FmwHoftxZ9P91QwLoTajkDrh26ueIe45sG6Uxua2AP4Vo37cFfCj
    ryV8OokCHAQQAQkABgUCZG5MWAAKCRBC/V96c62IWmglD/9idU43kW8Zy8Af1j8l
    Am3lI4d9ksOleeKRZqxo/SZ5rovF32DO2nw7XRXq1+EbhgJaI3QwwOi0U0pfAMVT
    4b9TdxdH+n+tqzCHh3jZqmo9sw+c9WFXYJN1hU9bLzcHXS8hOTbyoE2EuXx56ds9
    L/BWCcd+LIvapw0lggFfavVx/QF4C7nBKjnJ66+xxwfgVIKR7oGlqDiHMfp9ZWh5
    HhEqZo/nrNhdY0h3sczEdqC2N6eIa8mgHffHZdKudDMXIXHbgdhW9pcZXDIktVf7
    j9wehsWOyYXiRgR0dz7DI26AUG4JLh5FTtx9XuSBdEsI69Jd4dJuibmgtImzbZjn
    7un8DJWIyqi7Ckk96Tr4oXB9mYAXaWlR4C9j5XJhMNZgkOycuY2DADnbGmSb+1kA
    ju77H4ff84+vMDwUzUt2Wwb+GjzXu2g6Wh+bWhGSirYlel+6xYrI6beu1BDCFLq+
    VZFE8WggjJHpwcL7CiqadfVIQaw4HY0jQFTSdwzPWhJvYjXFOhMkyCcjssbtmB+z
    /otfgySyQqThrD48RWS5GuyqCA+pK3UNmEJ11c1AXMdTn2VWInR1NOJNALQ2du3y
    q8t1vMsErVOJ7pkZ50F4ef17PE6DKrXX8ilwGFyVuX5ddyt/t9J5pC3sRwHWXVZx
    GXwoX75FwIEHA3n5Q7rZ69Ea6Q==
    =ZIO7
    -----END PGP PUBLIC KEY BLOCK-----
  4. 将签署人公钥导入到您的密钥环中。

    $ gpg --import signer-public-key.txt gpg: key FE0ADDFA: public key "AWS SAM CLI Team <aws-sam-cli-signer@amazon.com>" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) gpg: no ultimately trusted keys found

    记下输出中的密钥值。例如,FE0ADDFA

  5. 使用密钥值获取并验证签署人公钥的指纹。

    $ gpg --fingerprint FE0ADDFA pub 4096R/FE0ADDFA 2023-05-23 [expires: 2025-05-22] Key fingerprint = 37D8 BE16 0355 2DA7 BD6A 04D8 C7A0 5F43 FE0A DDFA uid AWS SAM CLI Team <aws-sam-cli-signer@amazon.com>

    指纹应与以下内容匹配:

    37D8 BE16 0355 2DA7 BD6A  04D8 C7A0 5F43 FE0A DDFA

    如果指纹字符串不匹配,请不要使用 Amazon SAM CLI 安装程序。通过在aws-sam-cli GitHub 存储库创建问题来上报给Amazon SAM团队。

  6. 验证签署人公钥的签名:

    $ gpg --check-sigs FE0ADDFA pub 4096R/FE0ADDFA 2023-05-23 [expires: 2025-05-22] uid AWS SAM CLI Team <aws-sam-cli-signer@amazon.com> sig!3 FE0ADDFA 2023-05-23 AWS SAM CLI Team <aws-sam-cli-signer@amazon.com> sig! 73AD885A 2023-05-24 AWS SAM CLI Primary <aws-sam-cli-primary@amazon.com>

    如果看到 1 signature not checked due to a missing key,请重复前面的步骤,将主公钥和签署人公钥导入到密钥环中。

    您应该会看到列出的主公钥和签署人公钥的密钥值。

现在,您已经验证了签署人公钥的完整性,您可以使用签署人公钥来验证 Amazon SAM CLI 软件包安装程序。

验证 Amazon SAM CLI 软件包安装程序的完整性
  1. 获取 Amazon SAM CLI 软件包签名文件 - 使用以下命令下载 Amazon SAM CLI 软件包安装程序的签名文件:

    $ wget https://github.com/aws/aws-sam-cli/releases/latest/download/aws-sam-cli-linux-x86_64.zip.sig
  2. 验证签名文件 – 将两个下载 .sig.zip 文件作为参数传递给 gpg 命令。以下是 示例:

    $ gpg --verify aws-sam-cli-linux-x86_64.zip.sig aws-sam-cli-linux-x86_64.zip

    该输出值应该类似于以下内容:

    gpg: Signature made Tue 30 May 2023 10:03:57 AM UTC using RSA key ID FE0ADDFA
    gpg: Good signature from "AWS SAM CLI Team <aws-sam-cli-signer@amazon.com>"
    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: 37D8 BE16 0355 2DA7 BD6A  04D8 C7A0 5F43 FE0A DDFA
    • 可以忽略消息WARNING: This key is not certified with a trusted signature!。之所以出现此警告,是因为您的个人 PGP 密钥(如果您有)和 Amazon SAM CLI 密钥之间没有信任链。有关更多信息,请参阅信任 Web

    • 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,请通过在aws-sam-cli GitHub 存储库创建问题来上报给Amazon SAM团队,并避免使用下载的文件。

    消息Good signature from "AWS SAM CLI Team <aws-sam-cli-signer@amazon.com>"表示签名已通过验证,您可以继续安装。

macOS

GUI 和命令行安装程序

您可以使用 pkgutil 工具或手动验证 Amazon SAM CLI 软件包安装程序签名文件的完整性。

使用 pkgutil 进行验证
  1. 运行以下命令,提供下载的安装程序在本地计算机上的路径:

    $ pkgutil --check-signature /path/to/aws-sam-cli-installer.pkg

    以下是 示例:

    $ pkgutil --check-signature /Users/user/Downloads/aws-sam-cli-macos-arm64.pkg
  2. 从输出中找到 Developer ID Installer: AMZN Mobile LLC 的 SHA256 fingerprint。以下是 示例:

    Package "aws-sam-cli-macos-arm64.pkg":
       Status: signed by a developer certificate issued by Apple for distribution
       Notarization: trusted by the Apple notary service
       Signed with a trusted timestamp on: 2023-05-16 20:29:29 +0000
       Certificate Chain:
        1. Developer ID Installer: AMZN Mobile LLC (94KV3E626L)
           Expires: 2027-06-28 22:57:06 +0000
           SHA256 Fingerprint:
               49 68 39 4A BA 83 3B F0 CC 5E 98 3B E7 C1 72 AC 85 97 65 18 B9 4C
               BA 34 62 BF E9 23 76 98 C5 DA
           ------------------------------------------------------------------------
        2. Developer ID Certification Authority
           Expires: 2031-09-17 00:00:00 +0000
           SHA256 Fingerprint:
               F1 6C D3 C5 4C 7F 83 CE A4 BF 1A 3E 6A 08 19 C8 AA A8 E4 A1 52 8F
               D1 44 71 5F 35 06 43 D2 DF 3A
           ------------------------------------------------------------------------
        3. Apple Root CA
           Expires: 2035-02-09 21:40:36 +0000
           SHA256 Fingerprint:
               B0 B1 73 0E CB C7 FF 45 05 14 2C 49 F1 29 5E 6E DA 6B CA ED 7E 2C
               68 C5 BE 91 B5 A1 10 01 F0 24
  3. Developer ID Installer: AMZN Mobile LLC SHA256 fingerprint 应匹配以下值:

    49 68 39 4A BA 83 3B F0 CC 5E 98 3B E7 C1 72 AC 85 97 65 18 B9 4C BA 34 62 BF E9 23 76 98 C5 DA

    如果指纹字符串不匹配,请不要使用 Amazon SAM CLI 安装程序。通过在aws-sam-cli GitHub 存储库创建问题来上报给Amazon SAM团队。如果指纹字符串匹配,您可以继续使用软件包安装程序。

手动验证软件包安装程序

Windows

对于 Windows 操作系统,Amazon SAM CLI 安装程序打包为 MSI 文件。

验证安装程序的完整性
  1. 右键单击安装程序,打开属性窗口。

  2. 选择数字签名选项卡。

  3. 签名列表中,选择 Amazon Web Services, Inc.,然后选择详细信息

  4. 选择常规选项卡 (如果尚未选择),然后选择查看证书

  5. 选择详细信息选项卡,然后选择显示下拉列表中的全部 (如果尚未选择)。

  6. 向下滚动直至您看到指纹字段,然后选择指纹。这将在下部窗口中显示整个指纹值。

  7. 将指纹值与以下值进行匹配。如果值匹配,就继续安装。如果不是,请通过在aws-sam-cli GitHub 存储库创建问题来上报给Amazon SAM团队。

    c011d416e99a1142c0e0235118ef64c2681f3db9

验证哈希值

Linux

x86_64 - 命令行安装程序

使用以下命令生成哈希值,验证下载的安装程序文件的完整性和真实性:

$ sha256sum aws-sam-cli-linux-x86_64.zip

输出应与以下示例类似:

<64-character SHA256 hash value> aws-sam-cli-linux-x86_64.zip

将包含 64 个字符的 SHA-256 哈希值与您所需的 Amazon SAM CLI 版本在 GitHub 上的Amazon SAM CLI 发布说明中的哈希值进行比较。

macOS

GUI 和命令行安装程序

使用以下命令生成哈希值,验证下载的安装程序的完整性和真实性:

$ shasum -a 256 path-to-pkg-installer/name-of-pkg-installer # Examples $ shasum -a 256 ~/Downloads/aws-sam-cli-macos-arm64.pkg $ shasum -a 256 ~/Downloads/aws-sam-cli-macos-x86_64.pkg

将包含 64 个字符的 SHA-256 哈希值与 GitHub 存储库上的 Amazon SAM CLI 发布说明中相应的值进行比较。