How to decrypt a message while preserving the signature?

[Tony Lane]

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Hash: SHA512


> Does GnuPG provide a mechanism to decrypt an encrypted-and-signed
> message in such a way that preserves the original signature, such that
> the original signature can be independently verified by an arbitrary
> third-party?

The term you're looking for is a detached signature.
You can create a detached signature (or any signature, really) only if
you possess the private key.
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