PHP gnupg_addsignkey 错误 : get

PHP gnupg_addsignkey 错误 : get_key failed

转载作者：行者123 更新时间：2023-12-04 14:14:37

<?php

$res = gnupg_init();

gnupg_clearsignkeys($res);

$key = get_pub_key();// Value pasted below

$publicImp = gnupg_import($res, $key);

gnupg_addsignkey($res, $publicImp['fingerprint']);

echo gnupg_geterror($res); // Prints `get_key failed`

key 是从 https://www.igolder.com/pgp/generate-key/ 生成的

关键信息是这样的。

[fingerprint] => AF4A061F20FFFE141AA366FE586DCFCD529A884E
[keyid] => 586DCFCD529A884E
[timestamp] => 1573215581
[expires] => 0
[is_secret] =>
[invalid] =>
[can_encrypt] => 1
[can_sign] => 1
[disabled] =>
[expired] =>
[revoked] =>

找不到任何解决方案，请帮助。

最佳答案

为了使其工作，您还需要导入私钥。

根据 https://www.gnupg.org/gph/en/manual/c235.html :

Key Integrity

When you distribute your public key, you are distributing the public components of your master and subordinate keys as well as the user IDs. Distributing this material alone, however, is a security risk since it is possible for an attacker to tamper with the key. The public key can be modified by adding or substituting keys, or by adding or changing user IDs. By tampering with a user ID, the attacker could change the user ID's email address to have email redirected to himself. By changing one of the encryption keys, the attacker would also be able to decrypt the messages redirected to him.

Using digital signatures is a solution to this problem. When data is signed by a private key, the corresponding public key is bound to the signed data. In other words, only the corresponding public key can be used to verify the signature and ensure that the data has not been modified. A public key can be protected from tampering by using its corresponding private master key to sign the public key components and user IDs, thus binding the components to the public master key. Signing public key components with the corresponding private master signing key is called self-signing, and a public key that has self-signed user IDs bound to it is called a certificate.

这是一个示例工作代码:

<?php

$res = gnupg_init();

gnupg_clearsignkeys($res);

$publicKey = file_get_contents('public.key');
$privateKey = file_get_contents('private.key');

$publicImp = gnupg_import($res, $publicKey);
$privateImp = gnupg_import($res, $privateKey);

gnupg_addsignkey($res, $publicImp['fingerprint']);

echo gnupg_geterror($res);

公钥内容:

私钥内容:

我希望这有帮助。

关于PHP gnupg_addsignkey 错误 : get_key failed，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/58767578/

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PHP gnupg_addsignkey 错误 : get_key failed

Key Integrity