cosign:tldr:00058

cosign: Sign a blob with a local key pair file.

cosign

$ cosign sign-blob --key ${cosign-key} ${filename}

try on your machine

The cosign sign-blob command is a command-line operation that uses the cosign tool to digitally sign a file locally on your machine. Here is an explanation of each component of the command:

cosign: It is the name or alias of the command-line tool you are invoking. In this case, it refers to the cosign tool.
sign-blob: It is a specific sub-command of the cosign tool that is used to sign a file or blob.
--key ${cosign-key}: This is a flag used to specify the key to be used for signing. ${cosign-key} is a placeholder that indicates the value for the key. You need to substitute it with the actual key you want to use.
${filename}: Similarly, this is a placeholder that represents the name of the file you want to sign. You should replace ${filename} with the actual name of the file you want to sign.

So, when you execute this command, the cosign tool will use the provided key to digitally sign the specified file, ensuring its integrity and authenticity.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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